The FDA has approved Vtama (Dermavant), a 1% cream formulation of the aryl hydrocarbon receptor (AhR) agonist tapinarof, for treatment of adults with plaque psoriasis. It is the first AhR agonist to be approved by the FDA.

Mild to moderate psoriasis can be treated with topical drugs or with phototherapy. Patients with moderate to severe disease generally require systemic therapy.

View the Expanded Table: Some Drugs for Psoriasis

Mild to moderate psoriasis is generally treated with topical corticosteroids. Vitamin D analogs and tazarotene are topical alternatives that can be used in combination with topical corticosteroids. Phototherapy and systemic therapy, including biologic agents, are recommended for patients with moderate to severe disease.

The FDA has approved a subcutaneously injected formulation of recombinant human parathyroid hormone (Natpara – NPS) as an adjunct to calcium and vitamin D to control hypocalcemia in adults with hypoparathyroidism. Natpara is an 84-amino acid single-chain polypeptide identical to native parathyroid hormone. It is the first parathyroid hormone formulation to be approved for this indication.

The pathogenesis of acne is multifactorial: follicular hyperkeratinization, bacteria, sebum production, androgens, and inflammation all play a role. The gram-positive microaerophilic bacteria Propionibacterium acnes promote development of acne lesions by secreting chemotactic factors that attract leukocytes to the follicle, causing inflammation.

In the Medical Letter article on ustekinumab (Stelara) for psoriasis (2010; 52:7), footnote 2 in table 2 should have included a second sentence: $5595.60 is the cost of one 45-mg syringe.

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 FDA has approved calcitriol ointment (Vectical - Galderma), a vitamin D analog, for topical treatment of mild-to-moderate plaque psoriasis in adults ≥18 years old. Ointments are generally considered more potent than creams or solutions.

The bone mass of an average person reaches a maximum at the age of 25 to 30, stays the same for about 15 years, and then progressively declines at a rate of 0.2% to 0.5% per year. At menopause, women go through a period of increased bone resorption (2% per year) for about 10 years and then resume a gradual rate of bone loss. Current strategies for prevention and treatment of Postmenopausal Osteoporosis include increasing calcium intake to maximize peak bone mass, using antiresorptive drugs to decrease postmenopausal resorption, and using other drugs to stimulate bone systhesis (BL Riggs and LJ Melton, III, N Engl J Med, 327:620, Aug 27, 1992).