March 24, 2017
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"The U.S. Food and Drug Administration today expanded the approved use of Imbruvica (ibrutinib) to treat patients with chronic lymphocytic leukemia (CLL) who carry a deletion in chromosome 17 (17p deletion), which is associated with poor responses"...



(bosutinib) Tablets


Bosutinib is a kinase inhibitor. The chemical name for bosutinib monohydrate is 3-Quinolinecarbonitrile, 4-[(2,4dichloro-5-methoxyphenyl)amino]-6-methoxy-7-[3-(4-methyl-1-piperazinyl) propoxy]-, hydrate (1:1). Its chemical formula is C 26H29Cl2N5O3•H2O (monohydrate); its molecular weight is 548.46 (monohydrate), equivalent to 530.46 (anhydrous). Bosutinib monohydrate has the following chemical structure:

BOSULIF® (bosutinib) Structural Formula Illustration

Bosutinib monohydrate is a white to yellowish-tan powder. Bosutinib monohydrate has a pH dependent solubility across the physiological pH range. At or below pH 5, bosutinib monohydrate behaves as a highly soluble compound. Above pH 5, the solubility of bosutinib monohydrate reduces rapidly.

BOSULIF® (bosutinib) tablets are supplied for oral administration in two strengths: a 100 mg yellow, oval, biconvex, film-coated tablet debossed with “.Pfizer” on one side and “.100” on the other; and a 500 mg red, oval, biconvex, film-coated tablet debossed with “.Pfizer” on one side and “.500” on the other.

Each 100 mg BOSULIF tablet contains 103.40 mg of bosutinib monohydrate, equivalent to 100 mg of bosutinib; each 500 mg BOSULIF tablet contains 516.98 mg of bosutinib monohydrate, equivalent to 500 mg of bosutinib. The following inactive ingredients are included in the tablets: microcrystalline cellulose, croscarmellose sodium, poloxamer, povidone, magnesium stearate, polyvinyl alcohol, titanium dioxide, polyethylene glycol, talc, and iron oxide yellow (for 100 mg tablet) and iron oxide red (for 500 mg tablet).

What are the possible side effects of bosutinib (Bosulif)?

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.

Stop using bosutinib and call your doctor at once if you have:

  • severe or ongoing nausea, vomiting, stomach pain, or diarrhea;
  • black, bloody, or tarry stools, coughing up blood or vomit that looks like coffee grounds;
  • fever, chills, body aches, flu symptoms, sores in your mouth and throat;
  • pale skin, easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint...

Read All Potential Side Effects and See Pictures of Bosulif »

Last reviewed on RxList: 11/29/2016
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration


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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