Patients may ask about taking elderberry for prevention and treatment of influenza. Products containing elderberry are promoted for relief of cold and flu symptoms and as an immune system booster.

The FDA has approved tenofovir alafenamide (Vemlidy – Gilead) for treatment of chronic hepatitis B virus (HBV) infection in adults with compensated liver disease. It is the first single-drug product containing tenofovir alafenamide (TAF), a prodrug of the nucleotide reverse transcriptase inhibitor tenofovir, to become available; several combination products containing TAF are approved for treatment of HIV-1 infection. Tenofovir disoproxil fumarate (TDF; Viread – Gilead), another tenofovir prodrug, has been used for many years for treatment of chronic HBV infection; a generic...

Rozanolixizumab-noli (Rystiggo – UCB), a neonatal Fc receptor (FcRn) blocker, has been approved by the FDA for treatment of generalized myasthenia gravis in adults with anti-acetylcholine receptor (AChR) or anti-muscle-specific tyrosine kinase (MuSK) antibodies. It is the first drug to be approved for treatment of generalized myasthenia gravis in patients with anti-MuSK antibodies. Four other biologic drugs – the FcRn blocker efgartigimod alfa (Vyvgart; Vyvgart Hytrulo) and the complement inhibitors eculizumab (Soliris), ravulizumab (Ultomiris), and zilucoplan (Zilbrysq) – are...

The subcutaneously injected interleukin-13 (IL-13) antagonist tralokinumab-ldrm (Adbry – Leo) and the oral Janus kinase (JAK) inhibitors abrocitinib (Cibinqo – Pfizer) and upadacitinib (Rinvoq – Abbvie) have been approved by the FDA for treatment of moderate to severe atopic dermatitis.

The FDA has approved the human interleukin (IL)-12 and -23 antagonist ustekinumab (Stelara – Janssen Biotech) for treatment of moderately to severely active Crohn's disease in adults who were intolerant of or whose disease was unresponsive to treatment with immunomodulators or corticosteroids, or a tumor necrosis factor (TNF) inhibitor. Ustekinumab was approved earlier for treatment of psoriasis and psoriatic arthritis.

Nemolizumab (Nemluvio – Galderma), a subcutaneously injected interleukin-31 (IL-31) receptor antagonist, has been approved by the FDA for use in combination with topical corticosteroids and/or calcineurin inhibitors for treatment of moderate to severe atopic dermatitis in patients ≥12 years old whose disease is not adequately controlled with topical prescription drugs. It is the first IL-31 receptor antagonist to be approved in the US for this indication. Nemolizumab was approved earlier for treatment of prurigo nodularis in adults.

The FDA has approved upadacitinib (Rinvoq – Abbvie), an oral Janus kinase (JAK) inhibitor, for treatment of adults with moderately to severely active rheumatoid arthritis (RA) who have had an inadequate response to or cannot tolerate methotrexate (Trexall, and others). Upadacitinib is the third JAK inhibitor to be approved in the US for treatment of RA; tofacitinib (Xeljanz, Xeljanz XR) and baricitinib (Olumiant) were approved earlier.

The FDA has approved the oral Janus kinase (JAK) inhibitor upadacitinib (Rinvoq – Abbvie) for treatment of moderately to severely active ulcerative colitis in adults who have had an inadequate response to or cannot tolerate one or more tumor necrosis factor (TNF) inhibitors. Upadacitinib is the second JAK inhibitor to be approved for this indication; tofacitinib (Xeljanz) was the first. Upadacitinib is also approved for treatment of rheumatoid arthritis, psoriatic arthritis, atopic dermatitis, and ankylosing spondylitis.

The FDA has approved the subcutaneously injected interleukin (IL)-4 receptor alpha antagonist dupilumab (Dupixent – Sanofi/Regeneron) for treatment of eosinophilic esophagitis (EoE) in patients ≥12 years old who weigh ≥40 kg and treatment of prurigo nodularis in adults. Dupilumab is the first drug to be approved in the US for each of these indications. It is also FDA-approved for treatment of atopic dermatitis, asthma, and chronic rhinosinusitis with nasal polyposis.

An intranasal formulation of the corticosteroid budesonide (Rhinocort Nasal Inhaler - Astra) was recently approved by the US Food and Drug Administration for treatment of seasonal or perennial allergic rhinitis in adults and children and nonallergic perennial rhinitis in adults. Budesonide has been available in Canada and Europe for several years for inhalation treatment of both allergic rhinitis and asthma.