Octreotide acetate (Sandostatin - Sandoz), a synthetic octapeptide that mimics the actions of somatostatin, was recently approved by the US Food and Drug Administration for symptomatic treatment of patients with metastatic carcinoid or VIPomas (vasoactive intestinal peptide-secreting tumors).

Recent articles in the press have suggested that mifepristone (RU 486 - Roussel Uclaf) can effectively and safely induce an abortion. The drug is currently available only in France and China, but the manufacturer has also applied for a license in the United Kingdom. Mifepristone has been used on an investigational basis in the USA as an abortifacient and for treatment of Cushing's disease and breast cancer, but no manufacturer has applied to the US Food and Drug Administration for approval to market the drug in this country.

Doxazosin (mesylate - Roerig), an alpha1-adrenergic receptor blocker similar to prazosin (Minipress, and others) and terazosin (Hytrin), was recently approved by the US Food and Drug Administration for treatment of hypertension.

Fentanyl, a synthetic opioid previously available for parenteral use in anesthesia (Sublimaze), has now been marketed in a controlled-release transdermal formulation (Duragesic - Janssen) for use in patients with chronic pain severe enough to require opioid analgesia. It is not recommended for treatment of postoperative pain because of the drug's slow onset and prolonged duration of action.

Teniposide (ten i poe' side; VM 26; Vumon - Bristol), an anticancer drug that has been under investigation in the USA for 20 years, has now been approved for use in combination induction treatment of refractory acute lymphoblastic leukemia (ALL) in children. A semisynthetic derivative of podophyllotoxin, teniposide is chemically related to etoposide (VePesid - Medical Letter, 26:48, 1984).

Valsartan (Diovan - Novartis), a non-peptide tetrazole, is the second angiotensin II receptor antagonist approved for oral treatment of hypertension by the US Food and Drug Administration. The first was losartan (Cozaar - Medical Letter, 37:57, 1995).

Zolmitriptan (Zomig - Zeneca), a selective serotonin (5-HT1)-receptor agonist, is now available in the USA for oral treatment of migraine headache. Zomitriptan structurally resembles sumatriptan (Imitrex - Medical Letter 34:91, 1992). Drugs currently used for acute treatment of migraine include injectable, oral and nasal spray formulations of sumaptriptan, injectable dihydroergotamine, dihydroergotamine nasal spray, ergotamine tartrate alone or with caffeine, and various analgesics. Anoterh 5-HT1-receptor agonist, naratriptan (Amerge - Gaxo Wellcome), has been approved by the FDA but has not...

Celecoxib, a selective COX-2 inhibitor, has been approved by the FDA for treatment of osteoarthritis and rheumatoid arthritis.

Botulinum toxin type A has been marketed in the USA since 1989 for treatment of strabismus and blepharospasm and has also been used to treat cervical dystonia and some other muscular disorders.

Gemtuzumab ozogamicin, a monoclonal antibody bound to a cytotoxic antibiotic, has been approved by the FDA for treatment of patients with CD33-positive acute myeloid leukemia (AML) in first relapse who are more than 60 years old and may not be able to tolerate cytotoxic chemotherapy