September 2025 Recap: Drug Pipeline Updates

The table below is a review of notable updates that occurred in September 2025 for investigational products in development (not an inclusive list). Click on the status to view our full coverage.

Drug Pharmacologic Class Proposed Indication Status
Allergic Disorders
REGN1908-1909 (Regeneron) FelD1-blocking antibody To reduce allergic symptoms in adults with cat or birch pollen allergy. Phase 3 results
Cardiovascular Disease
Enlicitide decanoate (Merck) Proprotein convertase subtilisin/kexin type 9 Treatment of adults with hypercholesterolemia. Phase 3 results
Dermatological Disorders
Amlitelimab (Sanofi) Anti-OX40 ligand monoclonal antibody Treatment of moderate to severe atopic dermatitis. Phase 3 results
Hematological Disorders
Mitapivat (Agios Pharmaceuticals) Pyruvate kinase activator Treatment of adults with non-transfusion-dependent and transfusion-dependent alpha- or beta-thalassemia. sNDA review extended
Infectious Diseases
Ensitrelvir (Shionogi) SARS-CoV-2 main protease inhibitor For the prevention of COVID-19 following exposure to an infected individual. NDA accepted for review
Metabolic Disorders
SAR446268 (Sanofi) Adeno-associated viral gene therapy designed to silence DMPK expression Treatment of non-congenital (juvenile and adult onset) myotonic dystrophy type 1. Fast Track designation
SL1009 (sodium dichloroacetate; Saol Therapeutics) Pyruvate dehydrogenase kinase inhibitor Treatment of pyruvate dehydrogenase complex deficiency. Complete Response Letter issued
Zilganersen (Ionis) Antisense oligonucleotide Treatment of Alexander disease. Phase 3 results
Musculoskeletal Disorders
Nanoecapsulated sirolimus plus pegadricase (Sobi) mTOR inhibitor plus pegylated uricase Treatment of uncontrolled gout. BLA accepted for review
Neurologic Disorders
AMT-130 (uniQure) Gene therapy that inhibits the production of mutant huntingtin protein Treatment of Huntington disease. Phase 1/2 results
Emrusolmin (Teva Pharmaceuticals)T Small molecule that targets the alpha synuclein protein Treatment of multiple system atrophy. Fast Track designation
Oncology
Iberdomide (Bristol Myers Squibb) Cereblon E3 ligase modulator In combination with standard therapies to treat patients with relapsed or refractory multiple myeloma. Phase 3 results
Pirtobrutinib (Eli Lilly) Bruton tyrosine kinase inhibitor To treat treatment-naïve patients with chronic lymphocytic leukemia or small lymphocytic lymphoma without 17p deletions. Phase 3 results
Relacorilant (Corcept Therapeutics) Glucocorticoid receptor antagonist Treatment of platinum-resistant ovarian cancer. NDA accepted for review
Trastuzumab deruxtecan (AstraZeneca) HER2-directed antibody + topoisomerase inhibitor conjugate In combination with ado-trastuzumab emtansine to treat patients with human epidermal growth factor receptor-positive early breast cancer. Phase 3 results
Ophthalmic Disorders
Idebenone (Chiesi Global)  Synthetic analog of coenzyme Q10 Treatment of Leber hereditary optic neuropathy. NDA accepted for review
Poisoning & Drug Dependence
Cytisinicline (Achieve Life Sciences) Plant-based alkaloid that selectively binds to nicotine acetylcholine receptors Smoking cessation therapy for adults. NDA accepted for review
Respiratory Disorders
Benralizumab (AstraZeneca) Interleukin-5 antagonist Treatment of chronic obstructive pulmonary disease. Phase 3 results
Dexpramipexole (Areteia Therapeutics) Small molecule that inhibits the maturation of eosinophils Treatment of eosinophilic asthma. Phase 3 results
Efzofitimod (aTyr Pharma) tRNA synthetase derived immunomodulator Treatment of pulmonary sarcoidosis. Phase 3 results

This article originally appeared on MPR