Victoza (Liraglutide [rDNA] Injection) Drug Information: Description, User Reviews, Drug Side Effects, Interactions

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May 27, 2012

Victoza

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Diabetes facts

Diabetes is a chronic condition associated with abnormally high levels of sugar (glucose) in the blood.
Insulin produced by the pancreas lowers blood glucose.
Absence or insufficient production of insulin causes diabetes.
The two types of diabetes are referred to as type 1 (insulin dependent) and type 2 (non-insulin dependent).
Symptoms of diabetes include increased urine output, thirst and hunger as well as fatigue.
Diabetes is diagnosed by blood sugar (glucose) testing.
The major complications of diabetes are both acute and chronic.
- Acutely: dangerously elevated blood sugar, abnormally low blood sugar due to diabetes medications may occur.
- Chronically: disease of the blood vessels (both small and large) which can damage the eye, kidneys, nerves, and heart may occur
Diabetes treatment depends...

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Victoza

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Victoza®
(liraglutide [rDNA origin] injection),

WARNING

RISK OF THYROID C-CELL TUMORS

Liraglutide causes dose-dependent and treatment-duration-dependent thyroid C-cell tumors at clinically relevant exposures in both genders of rats and mice. It is unknown whether Victoza® causes thyroid C-cell tumors, including medullary thyroid carcinoma (MTC), in humans, as human relevance could not be ruled out by clinical or nonclinical studies. Victoza® is contraindicated in patients with a personal or family history of MTC and in patients with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2). Based on the findings in rodents, monitoring with serum calcitonin or thyroid ultrasound was performed during clinical trials, but this may have increased the number of unnecessary thyroid surgeries. It is unknown whether monitoring with serum calcitonin or thyroid ultrasound will mitigate human risk of thyroid C-cell tumors. Patients should be counseled regarding the risk and symptoms of thyroid tumors [see CONTRAINDICATIONS, WARNINGS AND PRECAUTIONS and Nonclinical Toxicology].

DRUG DESCRIPTION

Victoza® contains liraglutide, an analog of human GLP-1 and acts as a GLP-1 receptor agonist. The peptide precursor of liraglutide, produced by a process that includes expression of recombinant DNA in Saccharomyces cerevisiae, has been engineered to be 97% homologous to native human GLP-1 by substituting arginine for lysine at position 34. Liraglutide is made by attaching a C-16 fatty acid (palmitic acid) with a glutamic acid spacer on the remaining lysine residue at position 26 of the peptide precursor. The molecular formula of liraglutide is C172H265N43O51 and the molecular weight is 3751.2 Daltons. The structural formula (Figure 1) is:

Figure 1: Structural Formula of liraglutide

Victoza® (liraglutide) Structural Formula Illustration

Victoza® is a clear, colorless solution. Each 1 mL of Victoza® solution contains 6 mg of liraglutide. Each pre-filled pen contains a 3 mL solution of Victoza® equivalent to 18 mg liraglutide (free-base, anhydrous) and the following inactive ingredients: disodium phosphate dihydrate, 1.42 mg; propylene glycol, 14 mg; phenol, 5.5 mg; and water for injection.

What are the precautions when taking liraglutide [rdna] injection (Victoza)?

Before taking didanosine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

Before using this medication, tell your doctor or pharmacist your medical history, especially of: pancreatitis, kidney problems, liver problems (such as hepatitis, cirrhosis), nerve problems (such as peripheral neuropathy), alcohol use, high fat levels in the blood (triglycerides), gall bladder problems (such as gallstones), gout.

Avoid alcoholic beverages because they may increase your risk for liver problems and pancreatitis.

Didanosine may increase your risk of a heart attack. Discuss the risks and...

Read All Potential Precautions of Victoza »

Last reviewed on RxList: 4/20/2012
This monograph has been modified to include the generic and brand name in many instances.