No vaccines against tickborne encephalitis (TBE) or dengue are available in the US, but vaccines have been licensed in some other countries.

On February 27, 2021, the FDA issued an Emergency Use Authorization (EUA) for the Johnson & Johnson adenovirus-based vaccine for prevention of COVID-19 in persons ≥18 years old. It is the third COVID-19 vaccine to become available in the US and the first to require only a single dose. Two-dose mRNA-based vaccines manufactured by Pfizer-BioNTech and Moderna received EUAs in December 2020.

The FDA has approved daridorexant (Quviviq – Idorsia), an orexin receptor antagonist, for treatment of sleep-onset and/or sleep-maintenance insomnia in adults. Daridorexant is the third orexin receptor antagonist to be approved for this indication; suvorexant (Belsomra) and lemborexant (Dayvigo) were approved earlier.

The FDA has approved lemborexant (Dayvigo – Eisai), an orexin receptor antagonist, for treatment of sleep-onset and/or sleep-maintenance insomnia in adults. It is the second orexin receptor antagonist to be approved for this indication; suvorexant (Belsomra) was the first.

The FDA has issued an Emergency Use Authorization (EUA) for Lilly's investigational monoclonal antibodies bamlanivimab (LY-CoV555) and etesevimab (LY-CoV016) to be administered together for treatment of mild to moderate COVID-19 in patients ≥12 years old who weigh ≥40 kg and are at high risk of progressing to severe disease and/or hospitalization (see Table 1). Bamlanivimab received an EUA for use as monotherapy in such patients in November 2020. Regeneron's investigational monoclonal antibodies casirivimab (REGN10933) and imdevimab (REGN10987) are also authorized for use...

Many women of child-bearing age now take folic acid supplements of 400 ╡g per day to prevent neural tube defects in their offspring (Medical Letter 1998; 40:75). An FDA advisory committee has recommended development of a combination tablet containing an oral contraceptive and 400 ╡g of folic acid. A recent editorial in the New England Journal of Medicine suggested that folic acid doses should be higher (NJ Wald, N Engl J Med 2004; 350:101).

The anthracycline doxorubicin with or without the alkylating agent ifosfamide is the standard first-line treatment for advanced soft-tissue sarcomas. The FDA recently approved the minor groove DNA intercalator trabectedin (Yondelis – Janssen) for treatment of unresectable or metastatic liposarcoma or leiomyosarcoma in patients previously treated with an anthracycline. Trabectedin has been available for years in Europe for treatment of advanced soft-tissue sarcoma. The FDA has also approved the microtubule inhibitor eribulin mesylate (Halaven – Eisai), which was approved earlier for...

The US Food and Drug Administration (FDA) has approved two new retinoids for treatment of psoriasis. Tazarotene gel 0.05% and 0.1% (Tazorac - Allergan) is being marketed for topical use in patients with stable, mild to moderate plaque psoriasis. Acitretin (Soriatane - Roche) is being promoted for systemic use in severe psoriasis.

Femcon Fe (Warner Chilcott) is being advertised as the world's only chewable oral contraceptive. It was formerly marketed as Ovcon 35 Fe. Each packet provides 21 tablets containing 0.4 mg norethindrone and 35 mcg ethinyl estradiol, and 7 tablets with only 75 mg of ferrous fumarate. Femcon Fe has the same active hormonal ingredients as Ovcon 35 (Warner Chilcott), which has been available since 1976, and its generic equivalent Balziva (Barr); neither formulation contains iron. The spearmint-flavored Femcon Fe pill can be chewed or swallowed whole. According to the package labeling, if the pill...

Sapropterin (Kuvan - BioMarin) has been approved by the FDA to reduce phenylalanine plasma concentrations in patients with phenylketonuria (PKU). PKU is a rare genetic disorder (it occurs in 1 in 8000 Caucasian and 1 in 50,000 African-American newborns) caused by a deficiency of phenylalanine hydroxylase (PAH) the resulting high levels of the amino acid in blood and urine lead to cognitive, behavioral and other neurological complications.