The FDA has approved Crexont (Amneal), an extended-release capsule formulation of carbidopa/levodopa, for treatment of Parkinson's disease (PD), postencephalitic parkinsonism, and parkinsonism associated with carbon monoxide or manganese intoxication. Crexont contains a combination of immediate-release carbidopa/levodopa granules and extended-release levodopa pellets. An extended-release carbidopa/levodopa oral capsule (Rytary) has been available from the same manufacturer for years; the patent for Rytary expires in 2025.

The goal of asthma treatment is to control symptoms, prevent exacerbations, and maintain normal lung function. Management of acute exacerbations in the emergency department is not discussed here.

Teprotumumab-trbw (Tepezza - Horizon), an insulin-like growth factor-1 receptor (IGF-1R) inhibitor, has been approved by the FDA for IV treatment of thyroid eye disease. It is the first drug to be approved in the US for this indication.

Amivantamab-vmjw (Rybrevant – Janssen), an EGFR-MET bispecific antibody, has received accelerated approval from the FDA for IV treatment of locally advanced or metastatic non-small cell lung cancer (NSCLC) with epidermal growth factor receptor (EGFR) exon 20 insertion mutations in adults whose disease has progressed on or after platinum-based chemotherapy. It is the first bispecific antibody to become available in the US for this indication. Accelerated approval of the drug was based on the overall response rate and duration of response.

Delandistrogene moxeparvovec-rokl (Elevidys – Sarepta), an adeno-associated virus (AAV) vector-based gene therapy, has received accelerated approval from the FDA for treatment of ambulatory children 4-5 years old with Duchenne muscular dystrophy (DMD) who have a confirmed mutation in the dystrophin gene. It is the first gene therapy to be approved in the US for treatment of DMD. Accelerated approval was based on expression of microdystrophin in skeletal muscle, a surrogate endpoint.

The oral nonergot dopamine agonist pramipexole (Mirapex ER, and generics), which is FDA-approved for treatment of Parkinson's disease and restless legs syndrome, has been used off-label in patients with treatment-resistant depression (TRD). A double-blind, placebo-controlled trial of pramipexole augmentation in patients with unipolar TRD was recently published.

The FDA has recommended additional MRI monitoring during initiation of treatment with the amyloid beta-directed monoclonal antibody lecanemab-irmb (Leqembi) and has approved a new subcutaneously injected formulation of the drug (Leqembi Iqlik) for maintenance treatment of Alzheimer's disease.

Yutiq (Eyepoint), an intravitreal implant containing the corticosteroid fluocinolone acetonide, has been approved by the FDA for treatment of chronic noninfectious uveitis affecting the posterior segment of the eye. It is the third fluocinolone acetonide intravitreal implant to be approved in the US; Retisert, which is approved for the same indication as Yutiq, and Iluvien, which is approved for treatment of diabetic macular edema, were approved earlier. A dexamethasone intravitreal implant (Ozurdex) is approved by the FDA for treatment of noninfectious uveitis and macular...

Epcoritamab-bysp (Epkinly – Genmab), a bispecific CD20-directed CD3 T-cell engager, has received accelerated approval from the FDA for subcutaneous treatment of relapsed or refractory diffuse large B-cell lymphoma (DLBCL), not otherwise specified, including DLBCL arising from indolent lymphoma, and high-grade B-cell lymphoma after ≥2 lines of systemic therapy. Epcoritamab is the second T-cell-engaging bispecific antibody to become available in the US for treatment of non-Hodgkin's lymphoma; mosunetuzumab-axgb (Lunsumio) was recently approved for relapsed or refractory...

The guanylate cyclase-C receptor agonist linaclotide (Linzess – Abbvie/Ironwood) was first approved by the FDA in 2012 for treatment of chronic idiopathic constipation and irritable bowel syndrome with constipation in adults. The drug has now been approved for treatment of functional constipation in patients 6-17 years old. Linaclotide is the only drug to be approved in the US for treatment of functional constipation.