Artesunate for injection (Amivas LLC), a semi-synthetic artemisinin derivative, is now approved by the FDA for initial (induction) treatment of severe malaria in children and adults. It has been available from the CDC on a compassionate use basis since 2007. Artemether/lumefantrine (Coartem), another artemisinin-based drug, was approved earlier for oral treatment of uncomplicated Plasmodium falciparum malaria. IV artesunate is now the only FDA-approved injectable antimalarial drug available in the US; IV quinidine has been discontinued.

Antiplatelet drugs are the drugs of choice for prevention and treatment of arterial thrombosis. Anticoagulants are the drugs of choice for prevention and treatment of venous thromboembolism and for prevention of cardioembolic events in patients with atrial fibrillation.

This article includes recommendations for management of most sexually transmitted infections (STIs) other than HIV and viral hepatitis. Some of the indications and dosages recommended here have not been approved by the FDA (see Table 1).

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

Pegloticase (Krystexxa – Savient), a PEGylated urate oxidase enzyme, has been approved by the FDA for intravenous (IV) treatment of chronic symptomatic gout in adults who have not responded to maximum doses of a xanthine oxidase inhibitor, such as allopurinol (Zyloprim, and others). Pegloticase is the second new drug approved for gout in more than 40 years; a new xanthine oxidase inhibitor, febuxostat (Uloric), was approved in 2009.

The FDA has approved Vaxchora (PaxVax), a single-dose, oral, live-attenuated cholera vaccine, to protect against disease caused by Vibrio cholerae serogroup O1 in adults 18-64 years old traveling to cholera-affected areas. Vaxchora is the only cholera vaccine available in the US. A whole-cell killed injectable vaccine was previously approved, but is no longer available in the US.

Palivizumab (Synagis - MedImmune), an injectable monoclonal antibody, has been marketed in the USA since 1999 for prevention of respiratory syncytial virus (RSV) disease in high-risk infants and children.

Nelarabine (Arranon - GlaxoSmithKline), a prodrug of the deoxyguanosine analog 9-β-D-arabinofuranosylguanine (ara-G), has been approved by the FDA for treatment of patients with T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) that has not responded to, or has relapsed following, treatment with at least two chemotherapy regimens.

The Medical Letter article (Med Lett Drugs Ther 2007; 49:71) on Low-Dose Transdermal Estrogens said that Elestrin has been marketed in Europe since 1976. Actually it is EstroGel (Ascend Therapeutics), a similar product, that has been available in Europe since 1976.

The FDA has approved a new 2.5-mg formulation of the direct factor Xa inhibitor rivaroxaban (Xarelto – Janssen) for use in combination with low-dose aspirin to reduce the risk of major cardiovascular events in patients with chronic coronary artery disease (CAD) or peripheral artery disease (PAD). Rivaroxaban is the first direct oral anticoagulant to be approved for this indication. It was approved earlier for prevention and treatment of deep vein thrombosis (DVT) or pulmonary embolism (PE) and for prevention of stroke and systemic embolism in patients with nonvalvular atrial...