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Searched for action. Results 301 to 310 of 342 total matches.

Clesrovimab (Enflonsia) for Prevention of Severe RSV Infection in Infants

   
The Medical Letter on Drugs and Therapeutics • Aug 18, 2025  (Issue 1735)
their second RSV season.7,8 MECHANISM OF ACTION — Like nirsevimab, clesrovimab is a recombinant human IgG1K ...
The FDA has approved clesrovimab-cfor (Enflonsia – Merck), a long-acting monoclonal antibody, for prevention of respiratory syncytial virus (RSV) lower respiratory tract infection (LRTI) in neonates and infants born during or entering their first RSV season. Clesrovimab is the second drug to be approved for this indication; nirsevimab (Beyfortus), another long-acting monoclonal antibody, was the first. Palivizumab (Synagis), a shorter-acting antibody, is FDA-approved for prevention of severe RSV LRTI in certain high-risk children ≤24 months old.
Med Lett Drugs Ther. 2025 Aug 18;67(1735):129-31   doi:10.58347/tml.2025.1735a |  Show IntroductionHide Introduction

Delgocitinib Cream (Anzupgo) for Chronic Hand Eczema

   
The Medical Letter on Drugs and Therapeutics • Oct 13, 2025  (Issue 1739)
OF ACTION — Delgocitinib inhibits the JAK-signal transducer and activator of transcription (STAT) pathways ...
The FDA has approved a 2% cream formulation of delgocitinib (Anzupgo – Leo), a Janus kinase (JAK) inhibitor, for treatment of moderate to severe chronic hand eczema (dermatitis) in adults who had an inadequate response to or are unable to use topical corticosteroids. Delgocitinib is the first drug to be approved in the US for this indication. Ruxolitinib, another JAK inhibitor, is available in a 1.5% cream formulation (Opzelura) for treatment of mild to moderate atopic dermatitis in patients ≥2 years old.
Med Lett Drugs Ther. 2025 Oct 13;67(1739):163-5   doi:10.58347/tml.2025.1739b |  Show IntroductionHide Introduction

Deuruxolitinib (Leqselvi) for Severe Alopecia Areata

   
The Medical Letter on Drugs and Therapeutics • Oct 27, 2025  (Issue 1740)
,6; their effects appear to persist through multiple years of treatment.7,8 MECHANISM OF ACTION ...
The FDA has approved the oral Janus kinase (JAK) inhibitor deuruxolitinib (Leqselvi – Sun) for treatment of severe alopecia areata in adults. Two other oral JAK inhibitors are approved for treatment of severe alopecia areata: baricitinib (Olumiant) is approved for use in adults, and ritlecitinib (Litfulo) is approved for use in patients ≥12 years old.
Med Lett Drugs Ther. 2025 Oct 27;67(1740):174-6   doi:10.58347/tml.2025.1740b |  Show IntroductionHide Introduction

Opicapone (Ongentys) - A COMT Inhibitor for Parkinson's Disease

   
The Medical Letter on Drugs and Therapeutics • Jan 11, 2021  (Issue 1615)
in patients who have not responded to entacapone or other adjunctive therapies. MECHANISM OF ACTION ...
The FDA has approved opicapone (Ongentys – Neurocrine), a peripherally-acting reversible catechol-O-methyltransferase (COMT) inhibitor, for oral use as an adjunct to carbidopa/levodopa in adults with Parkinson’s disease (PD) who experience "off" episodes. It is the third COMT inhibitor to be approved for this indication; tolcapone (Tasmar, and generics) and entacapone (Comtan, and generics) were approved earlier. Opicapone has been available in Europe since 2016.
Med Lett Drugs Ther. 2021 Jan 11;63(1615):3-5 |  Show IntroductionHide Introduction

Stiripentol (Diacomit) for Dravet Syndrome (online only)

   
The Medical Letter on Drugs and Therapeutics • Mar 24, 2021  (Issue 1620)
MECHANISM OF ACTION – The mechanism by which stiripentol exerts its anticonvulsant effect is unknown ...
The FDA has approved stiripentol (Diacomit – Biocodex) for treatment of seizures in patients ≥2 years old with Dravet syndrome who are also taking clobazam (Onfi). Stiripentol, which has been available in Europe, Canada, and Japan for many years, is the second drug to be approved in the US for this indication; cannabidiol oral solution (Epidiolex), a purified marijuana product, was the first.
Med Lett Drugs Ther. 2021 Mar 24;63(1620):e1-3 |  Show IntroductionHide Introduction

Expanded Table: Some Biologic Drugs and JAK Inhibitors for Rheumatoid Arthritis (online only)

   
The Medical Letter on Drugs and Therapeutics • Nov 15, 2021  (Issue 1637)
the first dose Etanercept has a rapid onset of action and a short halflife that makes toxicity ...
View Expanded Table: Some Biologic Drugs and JAK Inhibitors for Rheumatoid Arthritis
Med Lett Drugs Ther. 2021 Nov 15;63(1637):e187-9 |  Show IntroductionHide Introduction

Mavacamten (Camzyos) for Obstructive Hypertrophic Cardiomyopathy

   
The Medical Letter on Drugs and Therapeutics • Jun 13, 2022  (Issue 1652)
OF ACTION — Mavacamten is a selective inhibitor of cardiac myosin adenosine triphosphatase (ATPase ...
The FDA has approved mavacamten (Camzyos – MyoKardia/BMS), a modulator of cardiac myosin, to improve functional capacity and symptoms in adults with New York Heart Association (NYHA) class II or III obstructive hypertrophic cardiomyopathy (HCM) who have a baseline left ventricular ejection fraction (LVEF) ≥55%. Mavacamten is the first drug in its class to become available in the US.
Med Lett Drugs Ther. 2022 Jun 13;64(1652):89-91 |  Show IntroductionHide Introduction

Tenapanor (Ibsrela) for Irritable Bowel Syndrome with Constipation

   
The Medical Letter on Drugs and Therapeutics • Jun 13, 2022  (Issue 1652)
MECHANISM OF ACTION — NHE3 is a transporter that exchanges extracellular sodium for intracellular Table 1 ...
The FDA has approved tenapanor (Ibsrela - Ardelyx), a sodium/hydrogen exchanger 3 (NHE3) inhibitor, for twice-daily oral treatment of irritable bowel syndrome with constipation (IBS-C) in adults. Tenapanor is the first NHE3 inhibitor to become available in the US.
Med Lett Drugs Ther. 2022 Jun 13;64(1652):91-4 |  Show IntroductionHide Introduction

Tirzepatide (Mounjaro) for Type 2 Diabetes

   
The Medical Letter on Drugs and Therapeutics • Jul 11, 2022  (Issue 1654)
management in patients with and without type 2 diabetes.2,3 MECHANISM OF ACTION ― Acting as an agonist ...
The FDA has approved tirzepatide (Mounjaro – Lilly), a peptide hormone with activity at both glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1) receptors, to improve glycemic control in adults with type 2 diabetes. Tirzepatide, which is injected subcutaneously once weekly, is the first dual GIP/GLP-1 receptor agonist to become available in the US. Selective GIP receptor agonists are not available in the US; GLP-1 receptor agonists have been available for years.
Med Lett Drugs Ther. 2022 Jul 11;64(1654):105-7 |  Show IntroductionHide Introduction

Oteseconazole (Vivjoa) for Recurrent Vulvovaginal Candidiasis

   
The Medical Letter on Drugs and Therapeutics • Aug 08, 2022  (Issue 1656)
- fold lower than fluconazole MICs against C. glabrata.5 MECHANISM OF ACTION — Like other azoles ...
The FDA has approved oteseconazole (Vivjoa – Mycovia), a new oral azole antifungal, to reduce the incidence of recurrent vulvovaginal candidiasis (RVVC) in females with a history of RVVC. Oteseconazole is the first drug to be approved in the US specifically for treatment of RVVC.
Med Lett Drugs Ther. 2022 Aug 8;64(1656):124-6 |  Show IntroductionHide Introduction