Trastuzumab (Herceptin - Genentech), a recombinant 'humanized' monoclonal antibody (rhuMAb) that binds to a protein encoded by the oncogene HER2, and capecitabine (ka pe site' a been; Xeloda - Roche), an oral pro-drug for 5-fluorouracil, have been approved by the FDA for treatment of metastatic breast cancer.

Botulinum toxin type A (Botox Cosmetic - Allergan) has received formal approval from the FDA for treatment of glabellar ("frown") lines in adults not more than 65 years old, and is being heavily advertised. Even before this approval, cosmetic use of botulinum toxin to reduce wrinkles on the face and neck had become a popular alternative to cosmetic surgery (Medical Letter 1999; 41:63). Botulinum toxin type A (Botox) and type B (Myobloc) are approved for treatment of cervical dystonia (Medical Letter 2001; 43:53), and type A has been approved since 1989 for treatment of strabismus and...

Pimecrolimus 1% cream (pim e kroe' limus; SDZ ASM 981; Elidel - Novartis) has been approved by the FDA for short-term and intermittent long-term treatment of mild to moderate atopic dermatitis in non-immunocompromised patients at least 2 years old.

Yttrium-90 ibritumomab tiuxetan (Zevalin -IDEC) was approved by the FDA for treatment of patients with relapsed or refractory low-grade follicular or transformed B-cell non-Hodgkin's lymphoma (NHL), including patients with follicular lymphoma refractory to rituximab (Rituxan -Medical Letter 1998; 40:65). Zevalin is the first radioimmunoconjugate to be approved for treatment of cancer.

The FDA has approved pegvisomant (Somavert Pfizer), a growth hormone receptor antagonist, for parenteral treatment of acromegaly in patients who are not candidates for or have had an inadequate response to surgery or other treatment. This review describes the disease of acromegaly and its standard treatment options. Also included are sections on the mechanism of action, pharmacokinetics, adverse effects, drug interactions, and the dosage and cost of pegvisomant. Results of clinical studies are discussed. The conclusion provides an overall assessment of the prospects for this new drug.

Bexxar, a combination of the monoclonal antibody tositumomab and radiolabeled Iodine-131 tositumomab (Corixa Corp/GlaxoSmithKline) has been approved by the FDA for a single treatment of relapsed follicular non-Hodgkin's lymphoma (NHL) in patients who are refractory to rituximab (Rituxan - Medical Letter 1998; 40:65). It is the second radioimmunoconjugate to be approved for refractory NHL; yttrium-90 linked to ibritumomab tiuxetan (Zevalin) was approved in 2002. Tositumomab, like ibritumomab, is a monoclonal antibody of mouse origin that binds to the CD20 antigen present on the surface of >90%...

The FDA has approved teduglutide (te due’ gloo tide; Gattex – NPS), a recombinant DNA analog of glucagon-like peptide-2 (GLP-2), for treatment of short bowel syndrome (SBS) in adults who are dependent on parenteral support.

The FDA has approved the Obalon Balloon System (Obalon), a swallowable intragastric gas-filled balloon device, to facilitate weight loss in adults with a body mass index (BMI) of 30-40 kg/m² who have not been able to lose weight through diet and exercise. Two other gastric balloon devices, ReShape and Orbera, were approved earlier.

The FDA has approved revefenacin (Yupelri – Mylan/Theravance Biopharma), a long-acting antimuscarinic agent (LAMA) administered once daily by standard jet nebulizer, for maintenance treatment of chronic obstructive pulmonary disease (COPD). Revefenacin is the second nebulized LAMA to be approved for this indication; glycopyrrolate (Lonhala Magnair), which is administered twice daily with a portable handheld nebulizer, was the first.

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