TThe FDA has licensed mResvia (Moderna), an mRNA respiratory syncytial virus (RSV) vaccine, for prevention of lower respiratory tract disease (LRTD) caused by RSV in adults ≥60 years old. It is the first mRNA vaccine to be licensed in the US for this indication. Two recombinant RSV vaccines, Arexvy and Abrysvo, are also available for prevention of RSV LRTD. Arexvy is approved for use in adults ≥50 years old. Abrysvo is approved for use in adults ≥60 years old and in pregnant women to prevent RSV LRTD in their infants.

View the Comparison Table: Drugs for Parkinson's Disease

Concerns have arisen anew about possible use of biological weapons. The pathogens considered most likely to be used for this purpose are discussed in this article. A good source for additional information is www.usamriid.army.mil/education/bluebook.html.

With the 2004 Olympics only weeks away, performance-enhancing drugs will once again be receiving a great deal of attention. The US Anti-Doping Agency has published a list of drugs banned in Olympic sports (www.usantidoping.org) that includes, at least for some sports, all but 2 of the drugs reviewed here.

Azacitidine (Vidaza - Pharmion), a pyrimidine nucleoside analog of cytidine, is the first drug approved by the FDA for treatment of myelodysplastic syndrome (MDS). Azacitidine is incorporated into newly synthesized DNA and inhibits DNA methyltransferase. Hypomethylation of DNA can restore the normal expression of genes critical for cell differentiation.

Uterine artery embolization (UAE) is an increasingly used alternative to surgery for treatment of uterine fibroids.

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Ciclesonide (Omnaris - Sepracor/Nycomed), a once daily corticosteroid nasal spray, is now available for treatment of seasonal allergic rhinitis (SAR) in adults and children ≥6 years old and for perennial allergic rhinitis (PAR) in those ≥12 years old. An orally inhaled formulation of ciclesonide (Alvesco) was recently approved by the FDA for maintenance treatment of asthma, and will be reviewed in a future issue of The Medical Letter

The FDA has approved the use of ustekinumab (Stelara - Centocor Ortho Biotech), an interleukin antagonist given by subcutaneous (SC) injection for treatment of adults with moderate to severe plaque psoriasis. It is the first agent in its class for this indication; the other biologic agents for psoriasis are Tcell or tumor necrosis factor (TNF) inhibitors.

The da Vinci Surgical System (Intuitive Surgical, Sunnyvale, CA) has become available in recent years for use in laparoscopic prostatectomy, gynecological procedures, general surgery, otolaryngology and cardiothoracic procedures.