Miglitol, an oral alpha-glucosidase inhibitor similar to acarbase, is now available for treatment of type 2 diabetes.

A new synthetic conjugated estrogen product (Cenestin - Duramed) was recently approved by the US Food and Drug Administration for treatment of vasomotor symptoms due to estrogen deficiency.

0.5% malathion in 78% isopropanol was recently approved by the FDA for treatment of head lice.

Cevimeline hydrochloride, an acetylcholine derivative, has been approved by the FDA for treatment of dry mouth symptoms caused by Sjogren's syndrome. Presumably it could also be used to treat radiation-induced xerostomia in patients with head and neck cancer. Pilocarpine hydrochloride is FDA-approved for both indications

Eflornithine hydrochloride cream 13.9% (Vaniqa - Bristol-Myers Squibb) has been approved by the FDA for reduction of unwanted facial hair in women.

A transdermal contraceptive patch (Ortho Evra — Ortho-McNeil) has been approved by the FDA. Each 20 cm² patch contains 6 mg of the progestin norelgestromin (the active metabolite of norgestimate) and 0.75 mg of ethinyl estradiol.

Anakinra (Kineret - Amgen), an interleuken-1 (IL-1) receptor antagonist, has been approved by the FDA for treatment of moderately to severly active rheumatoid arthritis in adults who have failed at least one disease-modifying anti-rheumatic drug(DMARD) such as methotrexate (Medical Letter 2000; 24:57).

A cyclosporine 0.05% ophthalmic emulsion (Restasis - Allergan) has been approved by the FDA for use in patients with dry eye disease (keratoconjunctivitis sicca). This review begins with a discussion of the causes of dry eye disease and includes sections on the pharmacology, adverse effects and clinical trial results for ophthalmic cyclosporine. Cost information and recommendations for administering the drug are also presented. The review concludes with an overall assessment of the drug's efficacy, safety and cost.

Azelaic acid 15% gel (Finacea Berlex) is now available in the US for treatment of mild to moderate rosacea. A 20% cream formulation of the drug (Azelex Allergan; Medical Letter 1996; 38:52) has been marketed here since 1996 for treatment of acne. The effectiveness of Finacea compared to its own vehicle and to metronidazole gel is discussed. Information on the drug's mechanism of action, adverse effects, dosage and cost are also included.

The FDA has approved a new low-dose formulation of the tricyclic antidepressant doxepin (Silenor – Somaxon) for treatment of insomnia associated with sleep maintenance. The manufacturer claims that this dose retains the hypnotic effect of doxepin, without typical tricyclic adverse effects. Doxepin is available generically in higher-strength capsules and in a liquid formulation.