Drugs for gout are used to reduce the pain and inflammation of acute flares, decrease the frequency of exacerbations, and lower serum urate levels to prevent recurrent flares, development of tophi, and joint damage.

Caduet (Pfizer), a combination of the calcium-channel blocker amlodipine (Norvasc - Pfizer) and the HMG-CoA reductase inhibitor (statin) atorvastatin (Lipitor - Pfizer), is now available in the US. It was approved by the FDA for use in patients with indications for treatment with both amlodipine, which is used to treat hypertension and/or angina pectoris, and atorvastatin, which is used to treat dyslipidemia. The combination is bioequivalent to the 2 components taken separately.

The FDA has approved an oral liquid formulation of glycerol phenylbutyrate (Ravicti – Hyperion) for chronic management of patients ≥2 years old with urea cycle disorders that cannot be adequately managed by a protein- restricted diet. Sodium phenylbutyrate (Buphenyl, and generics), another oral drug approved by the FDA for this indication, has a bitter taste. The new product, which contains no sodium, has little or no taste. Either drug must be used in addition to a protein-restricted diet and, if needed, dietary supplementation with amino acids and other nutrients.

The FDA has approved Cologuard (Exact Sciences), a stool DNA test, to screen average-risk adults ≥50 years old for colorectal cancer.

The FDA has approved fixed-dose combinations of metformin with either canagliflozin (Invokamet) or dapagliflozin (Xigduo XR) for treatment of patients with type 2 diabetes not adequately controlled with any one of these drugs, or in those already being treated with both metformin and either canagliflozin or dapagliflozin.

Recent guidelines from the American Heart Association and American Stroke Association reviewed antithrombotic therapy options for secondary prevention of stroke in patients who have had a stroke or transient ischemic attack (TIA).

The FDA has approved a 1% cream formulation of the antiparasitic drug ivermectin (Soolantra – Galderma) for topical treatment of inflammatory lesions of rosacea. Ivermectin is available in the US in tablets (Stromectol, and generics) for treatment of onchocerciasis and other worm infestations and as a 0.5% lotion (Sklice) for treatment of head lice.

The FDA has approved crisaborole 2% ointment (Eucrisa – Pfizer) for topical treatment of mild to moderate atopic dermatitis in patients ≥2 years old. It is the first phosphodiesterase type-4 (PDE4) inhibitor to be approved in the US for this indication.

The FDA has approved the ophthalmic solutions riboflavin 5'-phosphate in 20% dextran (Photrexa Viscous – Avedro) and riboflavin 5'-phosphate alone (Photrexa) for use with ultraviolet A (UVA) light (KXL System) in the corneal collagen cross-linking treatment of two corneal disorders: progressive keratoconus and corneal ectasia following refractive surgery. It is the first corneal collagen cross-linking (CXL) treatment to be approved by the FDA.

The FDA has approved tisagenlecleucel (Kymriah — Novartis), an individualized, genetically-modified cellular product, for treatment of relapsed or refractory B-cell precursor acute lymphoblastic leukemia (ALL) in patients ≤25 years old. The patient's own T cells are genetically modified to express chimeric antigen receptors (CAR) and then reinfused. Kymriah is the first CAR T-cell immunotherapy to become available in the US. A CAR T-cell product for B-cell non-Hodgkin's lymphoma is expected to be approved soon.