The FDA has approved imetelstat (Rytelo – Geron), a first-in-class telomerase inhibitor, for treatment of low- to intermediate-1 risk myelodysplastic syndromes (MDS) in adults with transfusion-dependent anemia requiring 4 or more red blood cell (RBC) units over 8 weeks who have not responded to, are no longer responding to, or are ineligible for erythropoiesis-stimulating agents (ESAs).

The FDA has approved a single-injection hyaluronic acid gel (Durolane – Bioventus) and an extended-release (ER) formulation of the synthetic corticosteroid triamcinolone acetonide (Zilretta – Flexion) for intra-articular (IA) treatment of osteoarthritic knee pain.

The FDA has approved an oral tablet formulation of sodium sulfate, magnesium sulfate, and potassium chloride (Sutab – Braintree) for colon cleansing prior to colonoscopy in adults. A sodium sulfate-based oral solution (Suprep) has been available in the US since 2010. Sutab is the second tablet formulation to be approved for bowel cleansing prior to colonoscopy; a sodium phosphate-based tablet (OsmoPrep) was approved earlier.

Coenzyme Q10, a fat-soluble antioxidant also known as ubidecarenone, ubiquinone and CoQ10, is marketed as a dietary supplement in the US, both as a single ingredient and in various combination products.

Deep brain stimulation (DBS) is increasingly used to treat advanced Parkinson's disease (PD), but few controlled clinical trials have been published. New evidence from a large controlled study has recently become available.

Photopheresis is a new technique recently approved by the US Food and Drug Administration for treatment of cutaneous T-cell lymphoma. It combines oral administration of a photoactivatable cytotoxic drug with leukapheresis and extracorporeal exposure of leukocytes to long-wave ultraviolet light (UVA). This procedure requires use of a 'UVAR Instrument' manufactured by Therakos, a subdivision of Johnson and Johnson.

Flutamide (Eulexin - Schering), an oral antiandrogen, is now available in the USA for treatment of metastatic prostate cancer. Flutamide is recommended by the manufacturer only for use concurrently with an analog of luteinizing hormone-releasing hormone (LHRH) such as leuprolide (Lupron - Medical Letter, 27:71, 1985).

High doses of various hormones have been used for many years to prevent pregnancy after unprotected coitus. Diethylstilbestrol (DES), a synthetic estrogen, was once approved for this purpose by the US Food and Drug Administration (Medical Letter 15:58, 1973), but no drug is now approved for such use. Ovral, an oral contraceptive containing 50 g of the estrogen ethinyl estradiol and 0.5 mg of the progestin norgestrel, has been recommended as a 'morning-after' pill by some physicians (RA Hatcher et al, Contraceptive Technology 1988-1989, 14th ed., New York:Irvington, 1988, page...

Lepirudin (Refludan - Hoechst Marion Roussel), a direct inhibitor of thrombin, has been approved by the FDA for use as an anticoagulant in patients with heparin-induced thrombocytopenia and thromboembolic complications.

Increased resistance of pneumococci to antimicrobial drugs may encourage more extensive use of pneumococcal polysaccharide vaccine.