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(sunitinib malate) Capsules
Hepatotoxicity has been observed in clinical trials and post-marketing experience. This hepatotoxicity may be severe, and deaths have been reported. [See WARNINGS AND PRECAUTIONS]
SUTENT, an oral multi-kinase inhibitor, is the malate salt of sunitinib. Sunitinib malate is described chemically as Butanedioic acid, hydroxy-, (2S)-, compound with N-[2-(diethylamino)ethyl]-5-[(Z)-(5-fluoro1,2-dihydro-2-oxo-3H-indol-3-ylidine)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide (1:1). The molecular formula is C22H27FN4O2 • C4H6O5 and the molecular weight is 532.6 Daltons.
The chemical structure of sunitinib malate is:
Sunitinib malate is a yellow to orange powder with a pKa of 8.95. The solubility of sunitinib malate in aqueous media over the range pH 1.2 to pH 6.8 is in excess of 25 mg/mL. The log of the distribution coefficient (octanol/water) at pH 7 is 5.2.
SUTENT (sunitinib malate) capsules are supplied as printed hard shell capsules containing sunitinib malate equivalent to 12.5 mg, 25 mg, 37.5 mg or 50 mg of sunitinib together with mannitol, croscarmellose sodium, povidone (K-25) and magnesium stearate as inactive ingredients.
The orange gelatin capsule shells contain titanium dioxide, and red iron oxide. The caramel gelatin capsule shells contain titanium dioxide, red iron oxide, yellow iron oxide and black iron oxide. The yellow gelatin capsule shells contain titanium dioxide and yellow iron oxide. The white printing ink contains shellac, propylene glycol, sodium hydroxide, povidone and titanium dioxide. The black printing ink contains shellac, propylene glycol, potassium hydroxide and black iron oxide.
What are the possible side effects of sunitinib (Sutent)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using sunitinib and call your doctor at once if you have a serious side effect such as:
- headache with chest pain and severe dizziness, fainting, fast or pounding heartbeats;
- feeling short of breath (even with mild exertion), swelling in your ankles or feet;
- sudden numbness or weakness, problems with vision, speech, or balance;
- numbness or tingly feeling around your mouth;
What are the precautions when taking sunitinib malate (Sutent)?
Before taking sunitinib, 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: bleeding problems, heart problems (e.g., congestive heart failure), high blood pressure, liver problems, thyroid disease.
Sunitinib may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
The risk of QT...
Last reviewed on RxList: 1/8/2015
This monograph has been modified to include the generic and brand name in many instances.
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