Three beta interferons are widely used in the treatment of patients with relapsing-remitting multiple sclerosis (RRMS).

Anastrozole (Arimidex - AstraZeneca, Medical Letter 1996; 38:61), an aromatase inhibitor, has received accelerated approval from the FDA for adjuvant treatment of postmenopausal women with early hormone-receptor-positive breast cancer. The drug was approved for treatment of postmenopausal women with metastatic breast cancer in 1996.

Inhaled drugs for asthma are available in the US mainly in pressurized metered-dose inhalers (MDIs), which require a propellant, and dry powder inhalers, which do not. The chlorofluorocarbon (CFC) propellants in MDIs are being replaced by hydrofluoroalkane (HFA) propellants for environmental reasons: CFCs contribute to the depletion of the ozone layer. December 31, 2008 will be the last day that albuterol MDIs using CFC propellants can be sold in the US. The FDA is expected to announce a termination date for other CFC-containing products in the near future.Three HFA albuterol inhalers and one...

Belimumab (Benlysta – Human Genome Sciences/GlaxoSmithKline) has been approved by the FDA for treatment of adults with active, autoantibody-positive, systemic lupus erythematosus (SLE). It is the first biologic agent approved for SLE and the first drug of any kind to be approved for this disease in >50 years.

The FDA has approved Duexis (Horizon), a fixed-dose combination of the nonsteroidal anti-inflammatory drug (NSAID) ibuprofen and the H2-receptor antagonist (H2RA) famotidine, for symptomatic relief of osteoarthritis and rheumatoid arthritis and to decrease the risk of developing gastric and duodenal ulcers in patients at risk for NSAID-associated ulcers. Vimovo, a combination of the NSAID naproxen and the proton pump inhibitor (PPI) esomeprazole, is also approved by the FDA for prevention of NSAID-associated gastric ulcers.

The FDA has approved use of lubiprostone (Amitiza) for treatment of opioid-induced constipation in adults with chronic non-cancer pain. The drug was previously approved for chronic idiopathic constipation and irritable bowel syndrome with constipation.

Apremilast (Otezla – Celgene), an oral phosphodiesterase type-4 (PDE4) inhibitor, has been approved by the FDA for treatment of active psoriatic arthritis in adults. It is the fi rst PDE4 inhibitor to be approved for this indication.

The FDA has approved afatinib (Gilotrif — Boehringer Ingelheim), an oral epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor, for first-line treatment of patients with metastatic non-small cell lung cancer (NSCLC) whose tumors have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations. These mutations occur in about 10% of patients with NSCLC. Afatinib is the second EGFR inhibitor to be approved for first-line treatment of advanced lung cancer. The first was erlotinib (Tarceva), which is also approved for treatment of patients with locally advanced...

An article published in the New York Times on May 1, 2015 listed the 10 drugs on which Medicare Part D spent the most in 2013. The most costly ($2.53 billion) was the proton pump inhibitor (PPI) Nexium (esomeprazole magnesium), which has recently become available generically.

The FDA has approved Ruconest (Salix), a recombinant analog of human complement component 1 esterase inhibitor (C1INH), for treatment of acute attacks in patients with hereditary angioedema (HAE).