Sorafenib tosylate

Использование

Sorafenib Tosylate (Bay 43-9006, Nexavar) is a small molecular inhibitor of VEGFR, PDGFR, c-Raf and B-Raf with IC50s of 18 nM, 10 nM, 3 nM and 15 nM, respectively.

Имя бренда

Nexavar (Bayer).

Общее описание

Sorafenib is available in 200-mg tablets for oral administrationand is used in the treatment of RCC and colon cancer.The agent is classified as a multikinase inhibitor because ofits action on numerous kinase enzymes including thePDGF-R, VEGF-R, Kit, and Raf. Sorafenib is 39% to 48% bioavailable and CYP3A4-mediated metabolism giveseight identified metabolites including the N-oxide, which isequally active with the parent. However, the majority of thedrug in plasma is present as the parent compound.Sorafenib is highly protein bound (99.5%). The drug iseliminated primarily in the feces (77%) with 19% appearingin the urine as glucuronides (UGT1A1) and has a eliminationhalf-life of 24 to 48 hours. The most commonly seentoxicity is skin rash that normally occurs within the first6 weeks of therapy. Other adverse effects include hypertension,fatigue, increased wound healing time, and increasedrisk of bleeding.

Побочные эффекты

The side effects of Sorafenib tosylate include Bleeding gums, blistering, peeling, redness, or swelling of the palms of the hands or bottoms of the feet, bloating of the abdomen or stomach, blood in the urine or stools, clay-colored stools, coughing up blood, difficulty with breathing or swallowing, increased menstrual flow or vaginal bleeding.