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Gail M. Wilkes, MS, RNC

Articles by Gail M. Wilkes, MS, RNC

Bendamustine HCl for injection is FDA approved for treatment of patients with chronic lymphocytic leukemia (CLL) or indolent B-cell non-Hodgkin’s lymphoma (NHL) that has progressed during or within 6 months of treatment with rituximab (Rituxan) or a rituximab-containing regimen.

Ixabepilone is indicated in combination with capecitabine (Xeloda) for the treatment of patients with metastatic or locally advanced breast cancer resistant to prior anthracycline and paclitaxel treatment (or for whom this treatment is contraindicated). Anthracycline resistance is defi ned as progression within 6 months of adjuvant therapy or 3 months of treatment for metastatic breast cancer; paclitaxel resistance is defi ned as progression on therapy or within 12 months of adjuvant therapy, or 4 months of treatment for metastatic breast cancer.

The cytochrome P450 microenzyme system has been an important protective system for living things for at least 3 billion years. It is a group or superfamily of isoenzymes that live in the endoplasmic reticulum and mitochondrial membrane of cells, and initially were responsible for detoxifying any poisons that were inhaled or ingested. As a result, these enzymes are found in the nose, saliva, kidneys, and lungs, and in greater numbers in the small intestines and liver. Cytochrome P450s account for about 75% of total metabolism and are important in oxidative metabolism-chemical modification/degradation of drugs.

Sorafenib is indicated for the treatment of patients with advanced renal cell cancer, and patients with unresectable hepatocellular cancer. Sunitinib is indicated for the treatment of patients with advanced renal cell cancer, and patients with gastrointestinal stromal tumor (GIST) after disease progression on imatinib mesylate (Gleevec).

Drug is indicated for rescue of normal cells following high dose methotrexate administration for osteosarcoma. It is also indicated to diminish and counteract methotrexate toxicity if the drug is not effectively eliminated, or for inadvertent overdose of folic acid antagonists.

Drug is a kinase inhibitor that blocks the action of mTOR (mammalian target of rapamycin). mTOR plays an important role in regulating key cellular functions, such as cell proliferation, survival, movement, and angiogenesis. It is part of the P13K (phosphoinositide 3-kinase)/Akt (protein kinase) signaling pathway which is often mutated in cancer. When mTOR is blocked, this leads to cell cycle arrest in the G1 phase of the cell cycle.

Ixabepilone is indicated in combination with capecitabine(Xeloda) for the treatment of patients with metastatic orlocally advanced breast cancer resistant to prior anthracyclineand paclitaxel treatment (or for whom this treatmentis contraindicated).

FDA-Approved Drugs: 5-HT3 receptor antagonists Zofran (ondansetron), Kytril (granisetron), Anzamet (dolasetron), Aloxi (palonosetron); NK-1 receptor antagonist: Aprepitant (Emend)

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