Tovorafenib (Ojemda – Day One), a type II RAF kinase inhibitor, has received accelerated approval from the FDA for treatment of patients ≥6 months old with relapsed or refractory pediatric low-grade glioma harboring a BRAF fusion or rearrangement or a BRAF V600 mutation. Tovorafenib is the first systemic treatment to be approved in the US for pediatric low-grade gliomas with BRAF fusions. Accelerated approval of tovorafenib was based on response rates and duration of response.

The investigational oral antiviral drug molnupiravir (Merck/Ridgeback Biotherapeutics) was granted an FDA Emergency Use Authorization (EUA) on December 23, 2021 for treatment of mild to moderate COVID-19 in outpatients ≥18 years old who are at high risk of progressing to severe disease, including hospitalization or death (see Table 1), and for whom alternative treatment options are not available or clinically appropriate. Paxlovid (Pfizer), nirmatrelvir copackaged with ritonavir, was granted an EUA on December 22, 2021. The IV antiviral drug remdesivir (Veklury) was approved by the...

Maribavir (Livtencity – Takeda), an oral cytomegalovirus (CMV) pUL97 kinase inhibitor, has been approved by the FDA for treatment of post-transplant CMV infection refractory to standard antiviral therapy in patients ≥12 years old who weigh at least 35 kg.

The FDA has approved the subcutaneously injected interleukin (IL)-4 receptor alpha antagonist dupilumab (Dupixent – Sanofi/Regeneron) for add-on maintenance treatment of adults with inadequately controlled chronic obstructive pulmonary disease (COPD) and an eosinophilic phenotype. Dupilumab is the first biologic drug to be approved in the US for this indication. It has been available for years for treatment of asthma, atopic dermatitis, chronic rhinosinusitis with nasal polyps, eosinophilic esophagitis, and prurigo nodularis.

On July 12, 2021, the FDA added a warning to the Fact Sheet for the Johnson & Johnson (Janssen) adenovirus-based COVID-19 vaccine about an increased risk of Guillain-Barré syndrome (GBS) following administration of the product.

The FDA has approved the antiviral drug remdesivir (Veklury – Gilead) for IV treatment of COVID-19 in hospitalized patients who are ≥12 years old and weigh ≥40 kg. Hospitalized children who are <12 years old or weigh <40 kg can receive remdesivir through an Emergency Use Authorization (EUA). Remdesivir is the first drug to be approved in the US for treatment of COVID-19.

Fitusiran (Qfitlia – Sanofi), a subcutaneously injected, antithrombin-directed, small interfering ribonucleic acid (siRNA), has been approved by the FDA for routine prophylaxis to prevent or reduce the frequency of bleeding episodes in patients ≥12 years old who have hemophilia A with or without factor VIII inhibitors or hemophilia B with or without factor IX inhibitors. It is the first antithrombin-lowering therapy to become available in the US for treatment of hemophilia.

Teplizumab-mzwv (Tzield – Provention Bio), an anti-CD3 monoclonal antibody, has been approved by the FDA to delay the onset of stage 3 type 1 diabetes in patients ≥8 years old who have stage 2 type 1 diabetes. It is the first drug to become available in the US that delays the onset of type 1 diabetes.

The FDA has required a new warning in the labels of the recombinant respiratory syncytial virus (RSV) vaccines Arexvy (GSK) and Abrysvo (Pfizer) about an increased risk of Guillain-Barré syndrome (GBS) within 42 days of administration of either vaccine. Both vaccines are FDA-approved to prevent lower respiratory tract disease (LRTD) caused by RSV in adults.Abrysvo is also approved for use in pregnant women at 32-36 weeks' gestation to prevent RSV-associated LRTD in their infants from birth through 6 months of age.

Rilonacept (Arcalyst – Kiniksa), an interleukin-1 (IL-1) antagonist that has been available for years for treatment of cryopyrin-associated periodic syndromes, has now been approved by the FDA for treatment of recurrent pericarditis and prevention of further recurrences in patients ≥12 years old. It is the first drug to be approved in the US for this indication. Anakinra (Kineret), an IL-1 receptor antagonist FDA-approved for treatment of rheumatoid arthritis, has been used off-label for years for treatment of recurrent pericarditis.