Glofitamab-gxbm (Columvi – Genentech), a bispecific CD20-directed CD3 T-cell engager, has received accelerated approval from the FDA for IV treatment of relapsed or refractory diffuse large B-cell lymphoma (DLBCL), not otherwise specified, or large B-cell lymphoma (LBCL) arising from follicular lymphoma after ≥2 lines of systemic therapy. Accelerated approval was based on response rates and durability of response. Glofitamab is the second T-cell-engaging bispecific antibody to be approved in the US for treatment of DLBCL; epcoritamab-bysp (Epkinly), which is given...

Avmapki Fakzynja Co-Pack (Verastem), a combination of the kinase inhibitors avutometinib and defactinib, has received accelerated approval from the FDA for treatment of KRAS-mutated recurrent low-grade serous ovarian cancer in women who had previously received systemic therapy. Neither drug is approved for use as monotherapy for any indication. Avmapki Fakzynja is the first treatment to be approved in the US for this indication.

Linvoseltamab (Lynozyfic – Regeneron), a bispecific B-cell maturation antigen (BCMA)-directed CD3 T-cell engager, has received accelerated approval from the FDA for intravenous treatment of relapsed or refractory multiple myeloma in adults who had received ≥4 prior lines of therapy, including a proteasome inhibitor, an immunomodulatory drug, and an anti-CD38 monoclonal antibody. Accelerated approval was based on the response rate and durability of response. Linvoseltamab is the third bispecific BCMA-directed CD3 T-cell engager to be approved for this indication; teclistamab...

The FDA has approved acoltremon 0.003% ophthalmic solution (Tryptyr – Alcon) for treatment of dry eye disease. Acoltremon is the first transient receptor potential melastatin 8 (TRPM8) thermoreceptor agonist to be approved in the US for this indication.

The recent terrorist attacks on the US have led to many questions about the clinical effects, prevention and treatment of injury caused by chemical warfare agents.

Arformoterol tartrate (Brovana - Sepracor), a singleisomer, long-acting beta₂-agonist, has been approved by the FDA as an inhalation solution for nebulization for treatment of bronchoconstriction pulmonary disease (COPD). Arformoterol is the (R,R)-enantiomer of formoterol (Foradil), which is available as a powder for inhalation and was recently also approved as a solution for nebulization (Perforomist - Dey; available fall 2007)

Microx (Pennwalt), a new low-dosage formulation of the thiazide-type diuretic metolazone (Zaroxolyn; Diulo), was recently marketed in the USA. The manufacturer claims that the low dose of controls hypertension with less potassium loss, making it safer than other diuretics and as effective as combination drugs, such as Dyazide, that include both a thiazide and a potassium-sparing diuretic. Medical Letter consultants generally do not recommend Dyazide or other fixed-dose combinations for treatment of hypertension.

In the past 2 years, the FDA has approved 3 new drugs for prevention or treatment of hereditary angioedema (HAE) in non-pregnant adolescents and adults: the C1 esterase inhibitor Cinryze for prophylaxis and the C1 esterase inhibitor Berinert and the kallikrein inhibitor ecallantide (Kalbitor) for treatment of acute attacks.

The FDA has approved Fortesta (Endo), a topical gel, for testosterone replacement therapy in adult males with hypogonadism. It is classified as a Schedule III controlled substance. Table 1 lists some available testosterone products, including 2 other gels.

The FDA has approved a fixed-dose combination of lumacaftor and ivacaftor (Orkambi – Vertex) for oral treatment of cystic fibrosis (CF) in patients ≥12 years old who are homozygous for the F508del mutation. About 50% of patients in the US with CF are homozygous for the F508del (also called Phe508del) mutation. This is the first approved indication for lumacaftor; ivacaftor is available alone as Kalydeco for treatment of CF in patients ≥2 years old with other mutations. Orkambi is the first drug to be approved in the US for treatment of patients with the F508del...