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نشرة الممارس الصحي نشرة معلومات المريض بالعربية نشرة معلومات المريض بالانجليزية صور الدواء بيانات الدواء
  SFDA PIL (Patient Information Leaflet (PIL) are under review by Saudi Food and Drug Authority)

Liptyn contains the active substance linagliptin which belongs to a group of medicines called “oral anti-diabetics”. Oral anti-diabetics are used to treat high blood sugar levels. They work by helping the body reduce the level of sugar in your blood.

 

Liptyn is used for ‘type 2 diabetes’ in adults, if the disease cannot be adequately controlled with one oral anti-diabetic medicine (metformin or sulphonylureas) or diet and exercise alone. Liptyn may be used together with other anti-diabetic medicines e.g. metformin, sulphonylureas (e.g. glimepiride, glipizide), empagliflozin, or insulin.

 

It is important to keep following the advice about diet and exercise that you have been given by your doctor or nurse.


Do not take Liptyn:

·       if you are allergic to linagliptin or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Talk to your doctor, pharmacist or nurse before taking Liptyn if you:

·       have type 1 diabetes (your body does not produce any insulin) or diabetic ketoacidosis (a complication of diabetes with high blood sugar, rapid weight loss, nausea or vomiting).

Liptyn

should not be used to treat these conditions.

·       are taking an anti-diabetic medicine known as a ‘sulphonylurea’ (e.g. glimepiride, glipizide),

·       your doctor may want to reduce your dose of sulphonylurea when you take it together with

·       Liptyn in order to avoid your blood sugar going too low.

·       have had allergic reactions to any other medicines that you take to control the amount of sugar

in your blood.

·       have or have had a disease of the pancreas.

If you have symptoms of acute pancreatitis, like persistent, severe stomach ache (abdominal pain), you should consult your doctor.

If you encounter blistering of the skin it may be a sign for a condition called bullous pemphigoid. Your doctor may ask you to stop Liptyn.

Diabetic skin lesions are a common complication of diabetes. You are advised to follow the recommendations for skin and foot care that you are given by your doctor or nurse.

 

Children and adolescents

Liptyn is not recommended for children and adolescents under 18 years.

Other medicines and Liptyn

Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.

In particular, you should tell your doctor if you are using medicines containing any of the following

 

active substances:

·       Carbamazepine, phenobarbital or phenytoin. These may be used to control fits (seizures) or chronic pain.

·       Rifampicin. This is an antibiotic used to treat infections such as tuberculosis.

 

Pregnancy and breast-feeding

If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine. It is unknown if Liptyn is harmful to the unborn child. Therefore, it is preferable to avoid using Liptyn if you are pregnant.

It is not known if Liptyn passes into human breast milk. A decision must be made by your doctor whether to discontinue breast-feeding or to discontinue/abstain from Liptyn therapy.

 

Driving and using machines

Liptyn has no or negligible influence on the ability to drive and use machines.

 

 

Taking Liptyn in combination with medicines called sulphonylureas and/or insulin can cause too low blood sugar levels (hypoglycaemia), which may affect your ability to drive and use machines or work without safe foothold. However, more frequent blood glucose testing might be recommended to minimise the risk for hypoglycaemia, especially when Liptyn is combined with sulphonylurea and/or insulin.

 


Always take this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.

The recommended dose of Liptyn is one 5 mg tablet once a day. You can take Liptyn with or without food.

Your doctor may prescribe Liptyn together with another oral anti-diabetic medicine. Remember to take all medicines as directed by your doctor to achieve the best results for your health.

 

If you take more Liptyn than you should

If you take more Liptyn than you should, talk to a doctor immediately.

 

If you forget to take Liptyn

·       If you forget to take a dose of Liptyn, take it as soon as you remember it. However, if it is nearly time for the next dose, skip the missed dose.

·       Do not take a double dose to make up for a forgotten dose. Never take two doses on the same day.

If you stop taking Liptyn

·       Do not stop taking Liptyn without first consulting your doctor. Your blood sugar levels may increase when you stop taking Liptyn.

If you have any further questions on the use of this medicine, ask your doctor, pharmacist or nurse.


Like all medicines, this medicine can cause side effects, although not everybody gets them. Some symptoms need immediate medical attention

You should stop taking Liptyn and see your doctor immediately if you experience the following symptoms of low blood sugar: trembling, sweating, anxiety, blurred vision, tingling lips, paleness, mood change or confusion (hypoglycaemia). Hypoglycaemia (frequency: very common, may affect more than 1 in 10 people) is an identified side effect when Liptyn is taken together with metformin and a sulphonylurea.

Some patients have experienced allergic reactions (hypersensitivity; frequency uncommon, may affect up to 1 in 100 people) while taking Liptyn alone or in combination with other medicinal products for the treatment of diabetes, which may be serious, including wheezing and shortness of breath (bronchial hyperreactivity; frequency not known, frequency cannot be estimated from the available data). Some patients experienced rash (frequency uncommon), hives (urticaria; frequency rare, may affect up to 1 in 1000 people), and swelling of the face, lips, tongue, and throat that may cause difficulty in breathing or swallowing (angioedema; frequency rare). If you experience any of the signs of illness mentioned above, stop taking Liptyn and call your doctor right away. Your doctor may prescribe a medicine to treat your allergic reaction and a different medicine for your diabetes.

 

Some patients have experienced inflammation of the pancreas (pancreatitis; frequency rare, may affect up to 1 in 1000 people) while taking Liptyn alone or in combination with other medicinal products for the treatment of diabetes.

STOP taking Liptyn and contact a doctor immediately if you notice any of the following serious side effects:

·       Severe and persistent pain in the abdomen (stomach area) which might reach through to your back, as well as nausea and vomiting, as it could be a sign of an inflamed pancreas (pancreatitis).

Some patients have had the following side effects while taking Liptyn alone or in combination with other medicinal products for the treatment of diabetes:

·       Common: level of lipase in the blood increased.

·       Uncommon: inflamed nose or throat (nasopharyngitis), cough, constipation (in combination

·       with insulin), level of amylase in the blood increased.

·       Rare: blistering of skin (bullous pemphigoid).

·

Reporting of side effects

 

If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.

 

•  To report any side effect(s):

•  Saudi Arabia:

·       The National Pharmacovigilance and Drug Safety Centre (NPC)

-       SFDA Call Center: 19999

-       E-mail: npc.drug@sfda.gov.sa

-       Website: https://ade.sfda.gov.sa/

 

 

 

 

 

•  Other GCC States:

 

-        Please contact the relevant competent authority.

 

 

 

 


 

·       Keep out of the reach and sight of children.

·       Do not use this medicine after the expiry date stated on the blister and carton. The expiry date refers to the last day of that month.

·       Store below 30ºC.

·       Store in the original package in order to protect from moisture.

·       Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.


1.   What Liptyn contains:

Liptyn (Linagliptin 5 mg):

 

Each Film-Coated tablet contains Linagliptin 5mg.

 

The other ingredients are: Mannitol, Maize starch, Croscarmellose Sodium, Copovidone, Magnesium Stearate, Purified water and Opadry II yellow (03F520347).


What Liptyn looks like? Yellow round bevel biconvex film coated tablets debossed with “H” on one side and “L” on the on other side. How supplied: Liptyn (Linagliptin Tablets) are supplied in 3×10’s Blister pack.

 

a.    Marketing Authorisation Holder :

Saudi Amarox Industrial Company

Aljameah Street, Malaz District Riyadh 12629, Saudi Arabia

Tel: +966 11 226 8850

Manufacture:

 Hetero Labs Limited Unit V, India.


Last revised in February 2024, Version 1
  نشرة الدواء تحت مراجعة الهيئة العامة للغذاء والدواء (اقرأ هذه النشرة بعناية قبل البدء في استخدام هذا المنتج لأنه يحتوي على معلومات مهمة لك)

يحتوي ليبتن أقراص على المادة الفعالة ليناجليبتن التي تنتمي إلى مجموعة من الأدوية تسمى "الأدوية المضادة للسكري عن طريق الفم". تستخدم مضادات السكر عن طريق الفم لعلاج ارتفاع مستويات السكر في الدم. إنها تعمل من خلال مساعدة الجسم على تقليل مستوى السكر في الدم.

يستخدم ليبتن لمرض السكري من النوع 2 عند البالغين ، إذا كان لا يمكن السيطرة على المرض بشكل كافٍ باستخدام دواء واحد مضاد للسكري عن طريق الفم (ميتفورمين أو سلفونيل يوريا) أو بإتباع نظام غذائي وممارسة الرياضة فقط. يمكن استخدام ليبتن مع أدوية أخرى مضادة لمرض السكر على سبيل المثال. ميتفورمين ، سلفونيل يوريا (مثل جليمبيريد ، جليبيزيد) ، إمباجليفلوزين ، أو الأنسولين.

من المهم أن تستمر في اتباع النصائح المتعلقة بالنظام الغذائي والتمارين الرياضية التي قدمها لك طبيبك أو ممرضتك.

 لا تستخدم ليبتن أقراص

·       إذا كنت تعاني من حساسية تجاه ليناجليبتن أو أي من المكونات الأخرى لهذا الدواء (المدرجة في القسم 6).

التحذيرات والاحتياطات

تحدث إلى طبيبك أو الصيدلي أو الممرضة قبل تناول ليبتن في الحالات التالية:

·       تحدث إلى طبيبك أو الصيدلي أو الممرضة قبل تناول ليبتن إذا كنت:

·       إذا كان لديك مرض السكري من النوع 1 (لا ينتج جسمك أي أنسولين) أو الحماض الكيتوني السكري (مضاعفات مرض السكري مع ارتفاع نسبة السكر في الدم ، فقدان الوزن السريع ، الغثيان أو القيء).

لا ينبغي أن تستخدم ليبتن لعلاج هذه الحالات.

·       إذا كنت تتناول دواءً مضادًا لمرض السكري يُعرف باسم "سلفونيل يوريا" (مثل جليمبيريد ، جليبيزيد) ، فقد يرغب طبيبك في تقليل جرعتك من السلفونيل يوريا عند تناوله مع ليبتن لتجنب انخفاض نسبة السكر في الدم بشكل كبير.

·       إذا كان لديك ردود فعل تحسسية تجاه أي أدوية أخرى تتناولها للتحكم في كمية السكر في الدم.

·       إذا كان لديك أو كان لديك مسبقا مرض في البنكرياس. إذا كنت تعاني من أعراض التهاب البنكرياس الحاد ، مثل آلام المعدة الشديدة والمستمرة (ألم في البطن) ، فيجب عليك استشارة طبيبك. إذا واجهت تقرحات في الجلد فقد تكون علامة على حالة تسمى الفقاع الفقاعي. قد يطلب منك طبيبك التوقف عن تناول ليبتن. تعد الآفات الجلدية لمرضى السكري من المضاعفات الشائعة لمرض السكري. يُنصح باتباع التوصيات الخاصة بالعناية بالبشرة والقدم التي يقدمها لك طبيبك أو ممرضتك.

الأطفال والمراهقين

لا ينصح باستخدام ليبتن للأطفال والمراهقين الذين تقل أعمارهم عن 18 عامًا.

الأدوية الأخرى وليبتن أقراص

أخبر طبيبك أو الصيدلي إذا كنت تتناول أو تناولت مؤخرًا أو قد تتناول أي أدوية أخرى. على وجه الخصوص ، أخبر طبيبك أو الصيدلي عن أي مما يلي:

أخبر طبيبك أو الصيدلي إذا كنت تتناول أو تناولت مؤخرًا أو قد تتناول أي أدوية أخرى.

على وجه الخصوص ، يجب أن تخبر طبيبك إذا كنت تستخدم أدوية تحتوي على أي من المواد الفعالة التالية:

·       كاربامازيبين ، فينوباربيتال أو فينيتوين. يمكن استخدام هذه للسيطرة على النوبات أو الألم المزمن.

·       ريفامبيسين. هذا مضاد حيوي يستخدم لعلاج الالتهابات مثل السل.

الحمل والرضاعة

إذا كنت حاملاً أو مرضعة ، تعتقدين أنك حامل أو تخططين لإنجاب طفل ، اسألي طبيبك أو الصيدلي للحصول على المشورة قبل تناول هذا الدواء. من غير المعروف ما إذا كان ليبتن ضارًا بالجنين. لذلك ، يفضل تجنب استخدام ليبتن إذا كنت حاملاً.

من غير المعروف ما إذا كان ليبتن ينتقل إلى حليب الأم. يجب أن يتخذ طبيبك قرارًا بشأن التوقف عن الرضاعة الطبيعية أو التوقف / الامتناع عن علاج ليبتن.

القيادة واستخدام الآلات

تناول ليبتن ليس له تأثير أو تأثير ضئيل على القدرة على القيادة واستخدام الآلات.

يمكن أن يؤدي تناول ليبتن مع أدوية تسمى سلفونيل يوريا و / أو الأنسولين إلى انخفاض مستويات السكر في الدم (نقص سكر الدم) ، مما قد يؤثر على قدرتك على القيادة واستخدام الآلات أو العمل دون موطئ قدم آمن. ومع ذلك ، قد يوصى بإجراء اختبار جلوكوز الدم بشكل متكرر لتقليل مخاطر نقص السكر في الدم ، خاصة عند دمج تناول ليبتن مع سلفونيل يوريا و / أو الأنسولين.

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احرص دائمًا على تناول هذا الدواء تمامًا كما أخبرك طبيبك. استشر طبيبك أو الصيدلي إذا لم تكن متأكدًا.

الجرعة الموصى بها من ليبتن هي قرص واحد بتركيز 5 ملجرام مرة واحدة في اليوم. يمكنك تناول ليبتن مع أو بدون طعام.

قد يصف طبيبك ليبتن مع دواء آخر مضاد للسكري عن طريق الفم. تذكر أن تتناول جميع الأدوية حسب توجيهات طبيبك لتحقيق أفضل النتائج لصحتك.

تناول جرعة زائدة من ليبتن أقراص

·       إذا تناولت ليبتن أكثر مما يجب ، تحدث إلى الطبيب على الفور.

إذا نسيت أن تتناول ليبتن أقراص

·       إذا نسيت تناول جرعة من ليبتن ، فتناولها حالما تتذكرها. ومع ذلك ، إذا حان وقت الجرعة التالية تقريبًا ، فتجاوز الجرعة الفائتة.

·       لا تتناول جرعة مضاعفة لتعويض الجرعة المنسية. لا تتناول جرعتين في نفس اليوم.

التوقف عن تناول ليبتن أقراص

·       لا تتوقف عن تناول ليبتن دون استشارة طبيبك أولاً. قد تزداد مستويات السكر في الدم عند التوقف عن تناول ليبتن.

إذا كان لديك أي أسئلة أخرى حول استخدام هذا الدواء ، اسأل طبيبك أو الصيدلي أو الممرضة.

مثل جميع الأدوية ، يمكن أن يسبب هذا الدواء آثارًا جانبية ، على الرغم من عدم حدوثها لدى الجميع. تحتاج بعض الأعراض إلى عناية طبية فورية

يجب عليك التوقف عن تناول ليبتن أقراص ومراجعة طبيبك على الفور إذا كنت تعاني من الأعراض التالية لانخفاض نسبة السكر في الدم: الارتعاش ، والتعرق ، والقلق ، وعدم وضوح الرؤية ، وخز الشفاه ، والشحوب ، وتغير المزاج أو الارتباك (نقص السكر في الدم). نقص السكر في الدم (شيوع: شائع جدًا ، قد يصيب أكثر من شخص من كل 10 أشخاص) هو أحد الآثار الجانبية المحددة عند تناول ليبتن مع الميتفورمين وسلفونيل يوريا.

عانى بعض المرضى من ردود فعل تحسسية (فرط الحساسية ؛ ومعدلها غير شائع ، قد يؤثر على ما يصل إلى شخص من كل 100 شخص) أثناء تناول ليبتن بمفرده أو مع أدوية أخرى لعلاج مرض السكري ، والتي قد تكون خطيرة ، بما في ذلك الصفير وضيق التنفس ( فرط نشاط الشعب الهوائية ؛ غير معروف معدلاتها ، لا يمكن تقدير معدلاتها من البيانات المتاحة). عانى بعض المرضى من طفح جلدي (غير شائع) ، (شرى ؛ نادر الحدوث ، قد يؤثر على ما يصل إلى شخص من كل 1000 شخص) ، وتورم في الوجه والشفتين واللسان والحلق الذي قد يسبب صعوبة في التنفس أو البلع (وذمة وعائية ؛ التكرار: نادر). إذا واجهت أيًا من علامات المرض المذكورة أعلاه ، فتوقف عن تناول ليبتن واتصل بطبيبك على الفور. قد يصف لك طبيبك دواءً لعلاج رد الفعل التحسسي لديك ودواء مختلف لمرض السكري لديك.

 

عانى بعض المرضى من التهاب في البنكرياس (التهاب البنكرياس ؛ نادر الحدوث ، قد يؤثر على ما يصل إلى شخص من كل 1000 شخص) أثناء تناول ليبتن بمفرده أو مع أدوية أخرى لعلاج مرض السكري.

توقف عن تناول ليبتن واتصل بالطبيب فورًا إذا لاحظت أيًا من الآثار الجانبية الخطيرة التالية:

·       ألم حاد ومستمر في البطن (منطقة المعدة) والذي قد يصل إلى ظهرك ، بالإضافة إلى الغثيان والقيء ، حيث يمكن أن يكون علامة على التهاب البنكرياس .

عانى بعض المرضى من الآثار الجانبية التالية أثناء تناول ليبتن بمفرده أو بالاشتراك مع منتجات طبية أخرى لعلاج مرض السكري:

·       شائع: ارتفاع مستوى الليباز في الدم.

·       غير شائعة: التهاب الأنف أو الحلق (التهاب البلعوم الأنفي) ، سعال ، إمساك (مع الأنسولين) ، ارتفاع مستوى الأميليز في الدم.

·       نادر: ظهور تقرحات في الجلد (شبيه الفقاع الفقاعي).

الإبلاغ عن الآثار الجانبية:

إن كان لديك أعراض جانبية أو لاحظت أعراض جانبية غير مذكورة في هذه النشرة، فضلًا ابلغ الطبيب أوالصيدلي

للإبلاغ حول الأعراض الجانبية التي قد تحدث يرجى التواصل عبر العناوين التالية:

·       المملكة العربية السعودية:

المركز الوطني للتيقظ الدوائي (NPC)

·       مركز الاتصال بالهيئة العامة للغذاء والدواء 19999:

·       البريد الإلكتروني npc.drug@sfda.gov.sa:

·       الموقع الإلكتروني: https://ade.sfda.gov.sa

دول الخليج العربي الأخرى:

الاتصال بالجهات الوطنية في كل دولة.

 

 

•       احفظ هذا الدواء بعيدًا عن رؤية ومتناول أيدي الأطفال.

•       لا تستخدم هذا الدواء بعد تاريخ انتهاء الصلاحية المذكور على العبوة بعد EXP. يشير تاريخ انتهاء الصلاحية إلى اليوم الأخير من الشهر.

•       يحفظ في درجة حرارة أقل من 30 درجة مئوية.

•       لا تتخلص من الأدوية في مياه الصرف الصحي أو النفايات المنزلية. اسأل الصيدلي عن كيفية التخلص من الأدوية التي لم تعد بحاجة إليها. ستساعد هذه الإجراءات في حماية البيئة.

ماذا يحتوي ليبتن أقراص على:

المادة الفعالة هي ليناجليبتن

يحتوي كل قرص مغلف بطبقة رقيقة على 5 ملجرام من ليناجليبتن.

الصواغات الأخرى هي: مانيتول ونشا الذرة وكروسارميلوز الصوديوم وكوبوفيدون وستيرات الماغنيسيوم والمياه النقية والأوبادري 2 الأصفر (03F520347).

ما هو شكل ليبتن أقراص؟

ليبتن أقراص 5 ملجرام

أقراص مستديرة مغلفة بطبقة رقيقة ذات اللون الأصفر ومحدبة من الجانبين مدموغ عليها حرف "H" على جانب واحد و "L" من الجانب الآخر.

كيفية توفير ليبتن أقراص؟

يتم توفير ليبتن أقراص في علبة تحتوي على30 قرص عبارة عن 3 شرائط.

 

صاحب حق التسويق:

شركة اماروكس السعودية الصناعية

شارع الجامعة، حي الملز

الرياض 12629 ، المملكة العربية السعودية

تليفون: +966 11 226 8850

الشركة المصنعة:

   شركة هيتيرو لاب هتيرو لاب المحدودة - الوحدة الخامسة – الهند

تمت مراجعة هذه النشرة في فبراير 2024 ، نسخة 1
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Linagliptin Tablets 5 mg

Each tablet contains 5 mg of Linagliptin. For the full list of excipients, see section 6.1.

Linagliptin Tablets 5 mg Yellow round bevel biconvex film coated tablets debossed with “H” on one side and “L” on the on other side.

Liptyn is indicated in adults with type 2 diabetes mellitus as an adjunct to diet and exercise to improve glycaemic control as: monotherapy
when metformin is inappropriate due to intolerance, or contraindicated due to renal impairment.
combination therapy
in combination with other medicinal products for the treatment of diabetes, including insulin, when these do not provide adequate glycaemic control (see sections 4.4, 4.5 and 5.1 for available data on different combinations).


Posology
The dose of linagliptin is 5 mg once daily. When linagliptin is added to metformin, the dose of metformin should be maintained, and linagliptin administered concomitantly.
When linagliptin is used in combination with a sulphonylurea or with insulin, a lower dose of the sulphonylurea or insulin, may be considered to reduce the risk of hypoglycaemia (see section 4.4)

Special populations
Renal impairment
For patients with renal impairment, no dose adjustment for linagliptin is required.
Hepatic impairment
Pharmacokinetic studies suggest that no dose adjustment is required for patients with hepatic impairment but clinical experience in such patients is lacking.
Elderly
No dose adjustment is necessary based on age.
Paediatric population
The safety and efficacy of linagliptin in children and adolescents has not yet been established. No data are available.
Method of administration
The tablets can be taken with or without a meal at any time of the day. If a dose is missed, it should be taken as soon as the patient remembers. A double dose should not be taken on the same day


Hypersensitivity to the active substance or to any of the excipients listed in section 6.1.

General
Linagliptin should not be used in patients with type 1 diabetes or for the treatment of diabetic ketoacidosis.
Hypoglycaemia
Linagliptin alone showed a comparable incidence of hypoglycaemia to placebo.
In clinical trials of linagliptin as part of combination therapy with medicinal products not known to cause hypoglycaemia (metformin), rates of hypoglycaemia reported with linagliptin were similar to rates in patients taking placebo.
When linagliptin was added to a sulphonylurea (on a background of metformin), the incidence of hypoglycaemia was increased over that of placebo (see section 4.8).

Sulphonylureas and insulin are known to cause hypoglycaemia. Therefore, caution is advised when linagliptin is used in combination with a sulphonylurea and/or insulin. A dose reduction of the sulphonylurea or insulin may be considered (see section 4.2).
Acute pancreatitis
Use of DPP-4 inhibitors has been associated with a risk of developing acute pancreatitis. Acute pancreatitis has been observed in patients taking linagliptin. In a cardiovascular and renal safety study (CARMELINA) with median observation period of 2.2 years, adjudicated acute pancreatitis was reported in 0.3% of patients treated with linagliptin and in 0.1% of patients treated with placebo. Patients should be informed of the characteristic symptoms of acute pancreatitis. If pancreatitis is suspected, Liptyn should be discontinued; if acute pancreatitis is confirmed, Liptyn should not be restarted. Caution should be exercised in patients with a history of pancreatitis.
Bullous pemphigoid
Bullous pemphigoid has been observed in patients taking linagliptin. In the CARMELINA study, bullous pemphigoid was reported in 0.2% of patients on treatment with linagliptin and in no patient on placebo. If bullous pemphigoid is suspected, Liptyn should be discontinued


In vitro assessment of interactions
Linagliptin is a weak competitive and a weak to moderate mechanism-based inhibitor of CYP isozyme CYP3A4, but does not inhibit other CYP isozymes. It is not an inducer of CYP isozymes.
Linagliptin is a P-glycoprotein substrate, and inhibits P-glycoprotein mediated transport of digoxin with low potency. Based on these results and in vivo interaction studies, linagliptin is considered unlikely to cause interactions with other P-gp substrates.
In vivo assessment of interactions
Effects of other medicinal products on linagliptin
Clinical data described below suggest that the risk for clinically meaningful interactions by co-administered medicinal products is low.
Rifampicin: multiple co-administration of 5 mg linagliptin with rifampicin, a potent inductor of P-glycoprotein and CYP3A4, resulted in a 39.6% and 43.8% decreased linagliptin steady-state AUC and Cmax, respectively, and about 30% decreased DPP-4 inhibition at trough. Thus, full particularly if these are administered long-term. Co-administration with other potent inducers of P-glycoprotein and CYP3A4, such as carbamazepine, phenobarbital and phenytoin has not been studied.
Ritonavir: co-administration of a single 5 mg oral dose of linagliptin and multiple 200 mg oral doses of ritonavir, a potent inhibitor of P-glycoprotein and CYP3A4, increased the AUC and Cmax of linagliptin approximately twofold and threefold, respectively. The unbound concentrations, which are usually less than 1% at the therapeutic dose of linagliptin, were increased 4-5-fold after co-administration with ritonavir. Simulations of steady-state plasma concentrations of linagliptin with and without ritonavir indicated that the increase in exposure will be not associated with an increased accumulation. These changes in linagliptin pharmacokinetics were not considered to be clinically relevant. Therefore, clinically relevant interactions would not be expected with other P-glycoprotein/CYP3A4 inhibitors.
Metformin: co-administration of multiple three times daily doses of 850 mg metformin with 10 mg linagliptin once daily did not clinical meaningfully alter the pharmacokinetics of linagliptin in healthy volunteers.
Sulphonylureas: the steady-state pharmacokinetics of 5 mg linagliptin was not changed by concomitant administration of a single 1.75 mg dose glibenclamide (glyburide).
Effects of linagliptin on other medicinal products
In clinical studies, as described below, linagliptin had no clinically relevant effect on the pharmacokinetics of metformin, glyburide, simvastatin, warfarin, digoxin or oral contraceptives providing in vivo evidence of a low propensity for causing medicinal product interactions with substrates of CYP3A4, CYP2C9, CYP2C8, P-glycoprotein, and organic cationic transporter (OCT).
Metformin: co-administration of multiple daily doses of 10 mg linagliptin with 850 mg metformin, an OCT substrate, had no relevant effect on the pharmacokinetics of metformin in healthy volunteers. Therefore, linagliptin is not an inhibitor of OCT-mediated transport.
Sulphonylureas: co-administration of multiple oral doses of 5 mg linagliptin and a single oral dose of 1.75 mg glibenclamide (glyburide) resulted in clinically not relevant reduction of 14% of both AUC and Cmax of glibenclamide. Because glibenclamide is primarily metabolised by CYP2C9, these data also support the conclusion that linagliptin is not a CYP2C9 inhibitor. Clinically meaningful interactions would not be expected with other sulphonylureas (e.g., glipizide, tolbutamide, and glimepiride) which, like glibenclamide, are primarily eliminated by CYP2C9.

Digoxin: co-administration of multiple daily doses of 5 mg linagliptin with multiple doses of 0.25 mg digoxin had no effect on the pharmacokinetics of digoxin in healthy volunteers. Therefore, linagliptin is not an inhibitor of P-glycoprotein-mediated transport in vivo.
Warfarin: multiple daily doses of 5 mg linagliptin did not alter the pharmacokinetics of S(-) or R(+) warfarin, a CYP2C9 substrate, administered in a single dose.
Simvastatin: multiple daily doses of linagliptin had a minimal effect on the steady-state pharmacokinetics of simvastatin, a sensitive CYP3A4 substrate, in healthy volunteers. Following administration of a supratherapeutic dose of 10 mg linagliptin concomitantly with 40 mg of simvastatin daily for 6 days, the plasma AUC of simvastatin was increased by 34%, and the plasma Cmax by 10%.
Oral contraceptives: co-administration with 5 mg linagliptin


Pregnancy
The use of linagliptin has not been studied in pregnant women. Animal studies do not indicate direct or indirect harmful effects with respect to reproductive toxicity (see section 5.3). As a precautionary measure, it is preferable to avoid the use of linagliptin during pregnancy.
Breast-feeding
Available pharmacokinetic data in animals have shown excretion of linagliptin/metabolites in milk. A risk to the breast-fed child cannot be excluded. A decision must be made whether to discontinue breast-feeding or to discontinue/abstain from linagliptin therapy taking into account the benefit of breast-feeding for the child and the benefit of therapy for the woman.
Fertility
No studies on the effect on human fertility have been conducted for linagliptin. Animal studies do not indicate direct or indirect harmful effects with respect to fertility (see section 5.3).


Linagliptin has no or negligible influence on the ability to drive and use machines. However patients should be alerted to the risk of hypoglycaemia especially when combined with sulphonylurea and/or insulin.

 


Summary of the safety profile
In the pooled analysis of the placebo-controlled trials, the overall incidence of adverse events in patients treated with placebo was similar to linagliptin 5 mg (63.4% versus 59.1%). Discontinuation of therapy due to adverse events was higher in patients who received placebo as compared to linagliptin 5 mg (4.3% versus 3.4%).
The most frequently reported adverse reaction was “hypoglycaemia” observed under the triple combination, linagliptin plus metformin plus sulphonylurea 14.8% versus 7.6% in placebo.
In the placebo-controlled studies 4.9% of patients experienced “hypoglycaemia” as an adverse reaction under linagliptin. Of these, 4.0% were mild and 0.9% were moderate and 0.1% were classified as severe in intensity. Pancreatitis was reported more often in patients randomized to linagliptin (7 events in 6,580 patients receiving linagliptin versus 2 events in 4,383 patients receiving placebo).
Tabulated list of adverse reactions
Due to the impact of the background therapy on adverse reactions (e.g. on hypoglycaemias), adverse reactions were analysed based on the respective treatment regimens (monotherapy, add-on to metformin, add-on to metformin plus sulphonylurea, and add-on to insulin).
The placebo-controlled studies included studies where linagliptin was given as
- monotherapy with short-term duration of up to 4 weeks
- monotherapy with ≥ 12week duration
- add-on to metformin
- add-on to metformin + sulphonylurea
- add on to metformin and empagliflozin
- add-on to insulin with or without metformin
Adverse reactions classified by system organ class and MedDRA preferred terms reported in patients who received 5 mg linagliptin in double-blind studies as monotherapy or as add-on therapy are presented in the table below (see table 1).
The adverse reactions are listed by absolute frequency. Frequencies are defined as very common (≥ 1/10), common (≥ 1/100 to <1/10), uncommon (≥ 1/1,000 to < 1/100), rare (≥ 1/10,000 to < 1/1,000), very rare (<1/10,000) or not known (cannot be estimated from the available data).
Table 1 Adverse reactions reported in patients who received linagliptin 5 mg daily as monotherapy or as add-on therapies in clinical trial and from post-marketing experience

System organ class
Adverse reaction
Frequency of adverse reaction
Infections and infestations
Nasopharyngitis
uncommon
Immune system disorders
Hypersensitivity
(e.g. bronchial hyperreactivity)
uncommon
Metabolism and nutrition disorders
Hypoglycaemia 1
very common
Respiratory, thoracic and mediastinal disorders
Cough
uncommon
Gastrointestinal disorders
Pancreatitis
rare#
Constipation 2
uncommon
Skin and subcutaneous tissue disorders
Angioedema*
rare
Urticaria*
rare
Rash*
uncommon
Bullous pemphigoid
rare#
Investigations
Amylase increased
uncommon
Lipase increased**
common
* Based on post-marketing experience
** Based on lipase elevations >3xULN observed in clinical trials
# Based on Linagliptin cardiovascular and renal safety study (CARMELINA), see also below
1 Adverse reaction observed in combination with metformin plus sulphonylurea
2 Adverse reaction observed in combination with insulin
Linagliptin cardiovascular and renal safety study (CARMELINA)
The CARMELINA study evaluated the cardiovascular and renal safety of linagliptin versus placebo in patients with type 2 diabetes and with increased CV risk evidenced by a history of established macrovascular or renal disease (see section 5.1). The study included 3494 patients

added to standard of care targeting regional standards for HbA
1c and CV risk factors. The overall incidence of adverse events and serious adverse events in patients receiving linagliptin was similar to that in patients receiving placebo. Safety data from this study was in line with previous known safety profile of linagliptin.
In the treated population, severe hypoglycaemic events (requiring assistance) were reported in 3.0% of patients on linagliptin and in 3.1% on placebo. Among patients who were using sulfonylurea at baseline, the incidence of severe hypoglycaemia was 2.0% in linagliptin-treated patients and 1.7% in placebo treated patients. Among patients who were using insulin at baseline, the incidence of severe hypoglycaemia was 4.4% in linagliptin-treated patients and 4.9% in placebo treated patients.
In the overall study observation period adjudicated acute pancreatitis was reported in 0.3% of patients treated with linagliptin and in 0.1% of patients treated with placebo.
In the CARMELINA study, bullous pemphigoid was reported in 0.2% of patients treated with linagliptin and in no patient treated with placebo.


Symptoms

During controlled clinical trials in healthy subjects, single doses of up to 600 mg linagliptin (equivalent to 120 times the recommended dose) were generally well tolerated. There is no experience with doses above 600 mg in humans.
Therapy
In the event of an overdose, it is reasonable to employ the usual supportive measures, e.g., remove unabsorbed material from the gastrointestinal tract, employ clinical monitoring and institute clinical measures if required.


Pharmacotherapeutic group: Drugs used in diabetes, dipeptidyl peptidase 4 (DPP-4) inhibitors, ATC code: A10BH05
Mechanism of action
Linagliptin is an inhibitor of the enzyme DPP-4 (dipeptidyl peptidase 4, EC 3.4.14.5) an enzyme which is involved in the inactivation of the incretin hormones GLP-1 and GIP (glucagon-like peptide1, glucose-dependent insulinotropic polypeptide). These hormones are rapidly degraded by the enzyme DPP-4. Both incretin hormones are involved in the physiological regulation of glucose homeostasis. Incretins are secreted at a low basal level throughout the day and levels rise immediately after meal intake. GLP-1 and GIP increase insulin biosynthesis and secretion from pancreatic beta cells in the presence of normal and elevated blood glucose levels. Furthermore GLP-1 also reduces glucagon secretion from pancreatic alpha cells, resulting in a reduction in hepatic glucose output. Linagliptin binds very effectively to DPP-4 in a reversible manner and thus leads to a sustained increase and a prolongation of active incretin levels. Linagliptin glucose-dependently increases insulin secretion and lowers glucagon secretion thus resulting in an overall improvement in the glucose homeostasis. Linagliptin binds selectively to DPP-4 and exhibits a > 10,000 fold selectivity versus DPP-8 or DPP-9 activity in vitro.
Clinical efficacy and safety
8 phase III randomised controlled trials involving 5,239 patients with type 2 diabetes, of which 3,319 were treated with linagliptin were conducted to evaluate efficacy and safety. These studies had 929 patients of 65 years and over who were on linagliptin. There were also 1,238 patients with mild renal impairment, and 143 patients with moderate renal impairment on linagliptin. Linagliptin once daily produced clinically significant improvements in glycaemic control, with no clinically relevant change in body weight. The reductions in glycosylated haemoglobin A1c (HbA1c) were similar across different subgroups including gender, age, renal impairment and body mass index (BMI). Higher baseline HbA
1c was associated with a greater reduction in HbA1c. There was a significant difference in reduction in HbA1c between Asian patients (0.8%) and White patients (0.5%) in the pooled studies.
Linagliptin as monotherapy in patients ineligible for metformin
The efficacy and safety of linagliptin monotherapy was evaluated in a double-blind placebo-controlled study of 24 weeks duration. Treatment with once daily linagliptin at 5 mg provided a significant improvement in HbA1c (-0.69% change compared to placebo), in patients with baseline HbA1c of approximately 8%. Linagliptin also showed significant improvements in fasting plasma glucose (FPG), and 2-hour post-prandial glucose (PPG) compared to placebo. The observed incidence of hypoglycaemia in patients treated with linagliptin was similar to placebo.
The efficacy and safety of linagliptin monotherapy was also evaluated in patients for whom metformin therapy is inappropriate, due to intolerability or contraindicated due to renal impairment, in a double-blind placebo-controlled study of 18 weeks duration. Linagliptin provided significant improvements in HbA1c, (-0.57% change compared to placebo), from a mean baseline HbA1c of 8.09%. Linagliptin also showed significant improvements in fasting plasma glucose (FPG) compared to placebo. The observed incidence of hypoglycaemia in patients treated with linagliptin was similar to placebo.
Linagliptin as add-on to metformin therapy
The efficacy and safety of linagliptin in combination with metformin was evaluated in a double-blind placebo-controlled study of 24 weeks duration. Linagliptin provided significant improvements in HbA1c, (-0.64% change compared to placebo), from a mean baseline HbA1c of 8%. Linagliptin also showed significant improvements in fasting plasma glucose (FPG), and 2-hour post-prandial glucose (PPG) compared to placebo. The observed incidence of hypoglycaemia in patients treated with linagliptin was similar to placebo.
Linagliptin as add-on to a combination of metformin and sulphonylurea therapy
A placebo-controlled study of 24 weeks in duration was conducted to evaluate the efficacy and safety of linagliptin 5 mg to placebo, in patients not sufficiently treated with a combination with metformin and a sulphonylurea. Linagliptin provided significant improvements in HbA1c (-0.62% change compared to placebo), from a mean baseline HbA1c of 8.14%. Linagliptin also showed significant improvements in patients fasting plasma glucose (FPG), and 2-hour post-prandial glucose (PPG), compared to placebo.
Linagliptin as add-on to a combination of metformin and empagliflozin therapy
In patients inadequately controlled with metformin and empagliflozin (10 mg (n=247) or 25 mg (n=217)), 24-weeks treatment with add-on therapy of linagliptin 5 mg provided adjusted mean HbA1c reductions from baseline by -0.53% (significant difference to add-on placebo -0.32%

(95% CI -0.52, -0.13) and -0.58% (significant difference to add-on placebo -0.47% (95% CI -0.66; -0.28), respectively. A statistically significant greater proportion of patients with a baseline HbA
1c ≥7.0% and treated with linagliptin 5 mg achieved a target HbA1c of <7% compared to placebo.
Linagliptin as add-on to insulin therapy
The efficacy and safety of the addition of linagliptin 5 mg to insulin alone or in combination with metformin and/or pioglitazone has been evaluated in a double-blind placebo-controlled study of 24 weeks duration. Linagliptin provided significant improvements in HbA1c (-0.65% compared to placebo) from a mean baseline HbA1c of 8.3%. Linagliptin also provided significant improvements in fasting plasma glucose (FPG), and a greater proportion of patients achieved a target HbA1c of < 7.0%, compared to placebo. This was achieved with a stable insulin dose (40.1 IU). Body weight did not differ significantly between the groups. Effects on plasma lipids were negligible. The observed incidence of hypoglycaemia in patients treated with linagliptin was similar to placebo (22.2% linagliptin; 21.2% placebo).
Linagliptin 24 month data, as add-on to metformin in comparison with glimepiride
In a study comparing the efficacy and safety of the addition of linagliptin 5 mg or glimepiride (mean dose 3 mg) in patients with inadequate glycaemic control on metformin monotherapy, mean reductions in HbA1c were -0.16% with linagliptin (mean baseline HbA1c 7.69%) and -0.36% with glimepiride (mean baseline HbA1c 7.69%.) with a mean treatment difference of 0.20% (97.5% CI: 0.09, 0.299). The incidence of hypoglycaemia in the linagliptin group (7.5%) was significantly lower than that in the glimepiride group (36.1%). Patients treated with linagliptin exhibited a significant mean decrease from baseline in body weight compared to a significant weight gain in patients administered glimepiride (-1.39 vs +1.29 kg).
Linagliptin as add-on therapy in patients with severe renal impairment, 12 week placebo-controlled data (stable background) and 40 week placebo-controlled extension (adjustable background)
The efficacy and safety of linagliptin was also evaluated in type 2 diabetes patients with severe renal impairment in a double-blind study versus placebo for 12 weeks duration, during which background glycaemic therapies were kept stable. Most patients (80.5%) received insulin as background therapy, alone or in combination with other oral anti-diabetics such as sulphonylurea, glinide and pioglitazone. There was a further follow up 40 week treatment period during which dose adjustments in antidiabetes background therapies were allowed.
Linagliptin provided significant improvements in HbA1c (-0.59 % change compared to placebo after 12 weeks), from a mean baseline HbA1c of 8.2%. The observed difference in HbA1c over placebo was -0.72% after 52 weeks.

Body weight did not differ significantly between the groups. The observed incidence of hypoglycaemia in patients treated with linagliptin was higher than placebo, due to an increase in asymptomatic hypoglycaemic events. There was no difference between groups in severe hypoglycaemic events.
Linagliptin as add-on therapy in elderly (age ≥ 70 years) with type 2 diabetes
The efficacy and safety of linagliptin in elderly (age ≥ 70years) with type 2 diabetes was evaluated in a double-blind study of 24 weeks duration. Patients received metformin and/or sulphonylurea and/or insulin as background therapy. Doses of background antidiabetic medicinal products were kept stable during the first 12 weeks, after which adjustments were permitted. Linagliptin provided significant improvements in HbA1c (-0.64 % change compared to placebo after 24 weeks), from a mean baseline HbA1c of 7.8%. Linagliptin also showed significant improvements in fasting plasma glucose (FPG) compared to placebo. Body weight did not differ significantly between the groups.
Linagliptin cardiovascular and renal safety study (CARMELINA)
CARMELINA was a randomized study in 6979 patients with type 2 diabetes with increased CV risk evidenced by a history of established macrovascular or renal disease who were treated with linagliptin 5 mg (3494) or placebo (3485) added to standard of care targeting regional standards for HbA1c, CV risk factors and renal disease. The study population included 1211 (17.4%) patients ≥ 75 years of age and 4348 (62.3%) patients with renal impairment. Approximately 19% of the population had eGFR ≥45 to <60 mL/min/1.73 m2, 28% of the population had eGFR ≥30 to <45 mL/min/1.73 m2 and 15% had eGFR < 30 mL/min/1.73 m2. The mean HbA1c at baseline was 8.0%.
The study was designed to demonstrate non-inferiority for the primary cardiovascular endpoint which was a composite of the first occurrence of cardiovascular death or a non-fatal myocardial infarction (MI) or a non-fatal stroke (3P-MACE). The renal composite endpoint was defined as renal death or sustained end stage renal disease or sustained decrease of 40% or more in eGFR.
After a median follow up of 2.2 years, linagliptin, when added to usual care, did not increase the risk of major adverse cardiovascular events or renal outcome events. There was no increased risk in hospitalization for heart failure which was an additional adjudicated endpoint observed compared to usual care without linagliptin in patients with type 2 diabetes (see table 2).
Table 2 Cardiovascular and renal outcomes by treatment group in the CARMELINA study
Linagliptin 5mg
Placebo
Hazard Ratio
Number of Subjects (%)
Incidence Rate per 1000 PY*
Number of Subjects (%)
Incidence Rate per 1000 PY*
(95% CI)

Number of patients
3494
3485
Primary CV composite (Cardiovascular death, non-fatal MI, non-fatal stroke)
434 (12.4)
57.7
420 (12.1)
56.3
1.02 (0.89, 1.17)**
Secondary renal composite (renal death, ESRD, 40% sustained decrease in eGFR)
327 (9.4)
48.9
306 (8.8)
46.6
1.04 (0.89, 1.22)
All-cause mortality
367 (10.5)
46.9
373 (10.7)
48.0
0.98 (0.84, 1.13)
CV death
255 (7.3)
32.6
264 (7.6)
34
0.96 (0.81, 1.14)
Hospitalization for heart failure
209 (6.0)
27.7
226 (6.5)
30.4
0.90 (0.74, 1.08)
* PY=patient years
** Test on non-inferiority to demonstrate that the upper bound of the 95% CI for the hazard ratio is less than 1.3
In analyses for albuminuria progression (change from normoalbuminuria to micro- or macroalbuminuria, or from microalbuminuria to macroalbuminuria) the estimated hazard ratio was 0.86 (95% CI 0.78, 0.95) for linagliptin versus placebo.
Linagliptin cardiovascular safety study (CAROLINA)
CAROLINA was a randomized study in 6033 patients with early type 2 diabetes and increased CV risk or established complications who were treated with linagliptin 5 mg (3023) or glimepiride 1-4mg (3010) added to standard of care (including background therapy with metformin in 83% of patients) targeting regional standards for HbA1c and CV risk factors. The mean age for study population was 64 years and included 2030 (34%) patients ≥ 70 years of age. The study population included 2089 (35%) patients with cardiovascular disease and 1130 (19%) patients with renal impairment with an eGFR < 60ml/min/1.73m2 at baseline. The mean HbA1c at baseline was 7.15%.
The study was designed to demonstrate non-inferiority for the primary cardiovascular endpoint which was a composite of the first occurrence of cardiovascular death or a non-fatal myocardial infarction (MI) or a non-fatal stroke (3P-MACE).

After a median follow up of 6.25 years, linagliptin did not increase the risk of major adverse cardiovascular events (see table 3) as compared to glimepiride. Results were consistent for patients treated with or without metformin.
Table 3 Major adverse cardiovascular events (MACE) and mortality by treatment group in the CAROLINA study
Linagliptin 5mg
Glimepiride (1-4mg)
Hazard Ratio
Number of Subjects (%)
Incidence Rate per 1000 PY*
Number of Subjects (%)
Incidence Rate per 1000 PY*
(95% CI)
Number of patients
3023
3010
Primary CV composite (Cardiovascular death, non-fatal MI, non-fatal stroke)
356 (11.8)
20.7
362 (12.0)
21.2
0.98 (0.84, 1.14)**
All-cause mortality
308 (10.2)
16.8
336 (11.2)
18.4
0.91 (0.78,1.06)
CV death
169 (5.6)
9.2
168 (5.6)
9.2
1.00 (0.81, 1.24)
Hospitalization for heart failure (HHF)
112 (3.7)
6.4
92 (3.1)
5.3
1.21 (0.92, 1.59)
* PY=patient years
** Test on non-inferiority to demonstrate that the upper bound of the 95% CI for the hazard ratio is less than 1.3
For the entire treatment period (median time on treatment 5.9 years) the rate of patients with moderate or severe hypoglycaemia was 6.5% on linagliptin versus 30.9% on glimepiride, severe hypoglycaemia occurred in 0.3% of patients on linagliptin versus 2.2% on glimepiride.
Paediatric population
The European Medicines Agency has deferred the obligation to submit the results of studies with linagliptin in one or more subsets of the paediatric population in Type 2 diabetes (see section 4.2 for information on paediatric use).


The pharmacokinetics of linagliptin has been extensively characterised in healthy subjects and patients with type 2 diabetes. After oral administration of a 5 mg dose to healthy volunteers or patients, linagliptin was rapidly absorbed, with peak plasma concentrations (median T
max) occurring 1.5 hours post-dose.
Plasma concentrations of linagliptin decline in a triphasic manner with a long terminal half-life (terminal half-life for linagliptin more than 100 hours), that is mostly related to the saturable, tight binding of linagliptin to DPP-4 and does not contribute to the accumulation of the medicinal product. The effective half-life for accumulation of linagliptin, as determined from oral administration of multiple doses of 5 mg linagliptin, is approximately 12 hours. After once daily dosing of 5 mg linagliptin, steady-state plasma concentrations are reached by the third dose. Plasma AUC of linagliptin increased approximately 33% following 5 mg doses at steady-state compared to the first dose. The intra-subject and inter-subject coefficients of variation for linagliptin AUC were small (12.6% and 28.5%, respectively). Due to the concentration dependent binding of linagliptin to DPP-4, the pharmacokinetics of linagliptin based on total exposure is not linear; indeed total plasma AUC of linagliptin increased in a less than dose-proportional manner while unbound AUC increases in a roughly dose-proportional manner. The pharmacokinetics of linagliptin was generally similar in healthy subjects and in patients with type 2 diabetes.
Absorption
The absolute bioavailability of linagliptin is approximately 30%. Co-administration of a high-fat meal with linagliptin prolonged the time to reach Cmax by 2 hours and lowered Cmax by 15% but no influence on AUC 0-72h was observed. No clinically relevant effect of Cmax and Tmax changes is expected; therefore linagliptin may be administered with or without food.
Distribution
As a result of tissue binding, the mean apparent volume of distribution at steady-state following a single 5 mg intravenous dose of linagliptin to healthy subjects is approximately 1,110 litres, indicating that linagliptin extensively distributes to the tissues. Plasma protein binding of linagliptin is concentration-dependent, decreasing from about 99% at 1 nmol/l to 75-89% at ≥30 nmol/l, reflecting saturation of binding to DPP-4 with increasing concentration of linagliptin. At high concentrations, where DPP-4 is fully saturated, 70-80% of linagliptin was bound to other plasma proteins than DPP-4, hence 30-20% were unbound in plasma.
Biotransformation
Following a [14C] linagliptin oral 10 mg dose, approximately 5% of the radioactivity was excreted in urine. Metabolism plays a subordinate role in the elimination of linagliptin. One main metabolite with a relative exposure of 13.3% of linagliptin at steady-state was detected which was found to be pharmacologically inactive and thus does not contribute to the plasma DPP-4 inhibitory activity of linagliptin.

Excretion
Following administration of an oral [14C] linagliptin dose to healthy subjects, approximately 85% of the administered radioactivity was eliminated in faeces (80%) or urine (5%) within 4 days of dosing. Renal clearance at steady-state was approximately 70 ml/min.
Special populations
Renal impairment
A multiple-dose, open-label study was conducted to evaluate the pharmacokinetics of linagliptin (5 mg dose) in patients with varying degrees of chronic renal insufficiency compared to normal healthy control subjects. The study included patients with renal insufficiency classified on the basis of creatinine clearance as mild (50 to <80 ml/min), moderate (30 to <50 ml/min), and severe (<30 ml/min), as well as patients with ESRD on hemodialysis. In addition patients with T2DM and severe renal impairment (<30 ml/min) were compared to T2DM patients with normal renal function. Creatinine clearance was measured by 24-hour urinary creatinine clearance measurements or estimated from serum creatinine based on the Cockcroft-Gault formula. CrCl = (140 – age) x weight/72 x serum creatinine [x 0.85 for females], where age is in years, weight in kg, and serum creatinine is in mg/dl. Under steady-state conditions, linagliptin exposure in patients with mild renal impairment was comparable to healthy subjects. In moderate renal impairment, a moderate increase in exposure of about 1.7 fold was observed compared with control. Exposure in T2DM patients with severe RI was increased by about 1.4 fold compared to T2DM patients with normal renal function. Steady-state predictions for AUC of linagliptin in patients with ESRD indicated comparable exposure to that of patients with moderate or severe renal impairment. In addition, linagliptin is not expected to be eliminated to a therapeutically significant degree by hemodialysis or peritoneal dialysis. Therefore, no dosage adjustment of linagliptin is necessary in patients with any degree of renal insufficiency.
Hepatic impairment
In non-diabetic patients with mild moderate and severe hepatic insufficiency (according to the Child-Pugh classification), mean AUC and Cmax of linagliptin were similar to healthy matched controls following administration of multiple 5 mg doses of linagliptin. No dosage adjustment for linagliptin is proposed for diabetic patients with mild, moderate or severe hepatic impairment.
Body Mass Index (BMI)
No dosage adjustment is necessary based on BMI. BMI had no clinically relevant effect on the pharmacokinetics of linagliptin based on a population pharmacokinetic analysis of Phase I and Phase II data. The clinical trials before marketing authorisation have been performed up to a BMI equal to 40 kg/m2.

Gender
No dosage adjustment is necessary based on gender. Gender had no clinically relevant effect on the pharmacokinetics of linagliptin based on a population pharmacokinetic analysis of Phase I and Phase II data.
Elderly
No dosage adjustment is required based on age up to 80 years, as age did not have a clinically relevant impact on the pharmacokinetics of linagliptin based on a population pharmacokinetic analysis of Phase I and Phase II data. Older subjects (65 to 80, oldest patient was 78 years) had comparable plasma concentrations of linagliptin compared to younger subjects.
Paediatric population
A paediatric Phase 2 study examined the pharmacokinetics and pharmacodynamics of 1 mg and 5 mg linagliptin in children and adolescents ≥10 to <18 years of age with type 2 diabetes mellitus. The observed pharmacokinetic and pharmacodynamic responses were consistent with those found in adult subjects. Linagliptin 5 mg showed superiority over 1 mg with regard to trough DPP-4 inhibition (72% vs 32%, p=0.0050) and a numerically larger reduction with regard to adjusted mean change from baseline in HbA1c (-0.63% vs -0.48%, n.s.). Due to the limited nature of the data set the results should be interpreted cautiously.
Race
No dosage adjustment is necessary based on race. Race had no obvious effect on the plasma concentrations of linagliptin based on a composite analysis of available pharmacokinetic data, including patients of Caucasian, Hispanic, African, and Asian origin. In addition the pharmacokinetic characteristics of linagliptin were found to be similar in dedicated phase I studies in Japanese, Chinese and Caucasian healthy volunteers.


Liver, kidneys and gastrointestinal tract are the principal target organs of toxicity in mice and rats at repeat doses of linagliptin of more than 300 times the human exposure.
In rats effects on reproductive organs, thyroid and the lymphoid organs were seen at more than 1,500 times human exposure. Strong pseudo-allergic reactions were observed in dogs at medium doses, secondarily causing cardiovascular changes, which were considered dog-specific. Liver, kidneys, stomach, reproductive organs, thymus, spleen, and lymph nodes were target organs of toxicity in Cynomolgus monkeys at more than 450 times human exposure. At more than 100 times human exposure, irritation of the stomach was the major finding in these monkeys.

Linagliptin and its main metabolite did not show a genotoxic potential.
Oral 2 year carcinogenicity studies in rats and mice revealed no evidence of carcinogenicity in rats or male mice. A significantly higher incidence of malignant lymphomas only in female mice at the highest dose (> 200 times human exposure) is not considered relevant for humans (explanation: non-treatment related but due to highly variable background incidence). Based on these studies there is no concern for carcinogenicity in humans.
The NOAEL for fertility, early embryonic development and teratogenicity in rats was set at >900 times the human exposure. The NOAEL for maternal-, embryo-fetal-, and offspring toxicity in rats was 49 times human exposure. No teratogenic effects were observed in rabbits at >1,000 times human exposure. A NOAEL of 78 times human exposure was derived for embryo-fetal toxicity in rabbits, and for maternal toxicity the NOAEL was 2.1 times human exposure. Therefore, it is considered unlikely that linagliptin affects reproduction at therapeutic exposures in humans.


Linagliptin Tablets 5 mg
The other ingredients are: Mannitol, Maize starch, Croscarmellose Sodium, Copovidone, Magnesium Stearate, Purified water and Opadry II yellow (03F520347).


Not applicable


2 Years

Store below 30ºC.


Blister pack


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Saudi Amarox Industrial Company Al Jamiah Street, Al Malaz District Riyadh 12629, Saudi Arabia Tel & Fax: +966 11 226 8850

August 2022.
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