"The U.S. Food and Drug Administration today approved Zydelig (idelalisib) to treat patients with three types of blood cancers.
Zydelig is being granted traditional approval to treat patients whose chronic lymphocytic leukemia (CLL) has retu"...
Ruxolitinib phosphate is a kinase inhibitor with the chemical name (R)-3-(4-(7H-pyrrolo[2,3d]pyrimidin-4-yl)-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile phosphate and a molecular weight of 404.36. Ruxolitinib phosphate has the following structural formula:
Ruxolitinib phosphate is a white to off-white to light pink powder and is soluble in aqueous buffers across a pH range of 1 to 8.
Jakafi (ruxolitinib) Tablets are for oral administration. Each tablet contains ruxolitinib phosphate equivalent to 5 mg, 10 mg, 15 mg, 20 mg and 25 mg of ruxolitinib free base together with microcrystalline cellulose, lactose monohydrate, magnesium stearate, colloidal silicon dioxide, sodium starch glycolate, povidone and hydroxypropyl cellulose.
What are the possible side effects of ruxolitinib (Jakafi)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Some side effects may be similar to the symptoms of myelofibrosis. Call your doctor at once if you have a serious side effect such as:
- pale skin, feeling light-headed or short of breath, rapid heart rate, trouble concentrating;
- easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin;
- fever, chills, body aches, flu symptoms, vomiting, sores in...
Last reviewed on RxList: 8/8/2014
This monograph has been modified to include the generic and brand name in many instances.
Additional Jakafi Information
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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