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Searched for action. Results 281 to 290 of 329 total matches.

A New Dihydroergotamine Nasal Spray (Trudhesa) for Migraine

   
The Medical Letter on Drugs and Therapeutics • Dec 27, 2021  (Issue 1640)
results in low and variable systemic bioavailability. MECHANISM OF ACTION — Dihydroergotamine acts ...
The FDA has approved Trudhesa (Impel Neuropharma), a new dihydroergotamine nasal spray product, for acute treatment of migraine with or without aura in adults. Another dihydroergotamine nasal spray (Migranal, and generics) has been available for many years for the same indication.
Med Lett Drugs Ther. 2021 Dec 27;63(1640):204-7 |  Show IntroductionHide Introduction

Inclisiran (Leqvio) for LDL-Cholesterol Lowering

   
The Medical Letter on Drugs and Therapeutics • Mar 21, 2022  (Issue 1646)
MECHANISM OF ACTION — Circulating PCSK9 binds to LDL receptors on hepatocytes, promoting receptor ...
The FDA has approved inclisiran (Leqvio – Novartis), a small interfering RNA (siRNA) directed to proprotein convertase subtilisin/kexin type 9 (PCSK9) mRNA, as an adjunct to diet and maximally tolerated statin therapy for subcutaneous (SC) treatment of adults with heterozygous familial hypercholesterolemia (HeFH) or clinical atherosclerotic cardiovascular disease (ASCVD) who require additional lowering of low-density lipoprotein cholesterol (LDL-C). Inclisiran is the first FDA-approved PCSK9-directed siRNA therapeutic agent.
Med Lett Drugs Ther. 2022 Mar 21;64(1646):43-5 |  Show IntroductionHide Introduction

Ublituximab (Briumvi) for Relapsing Multiple Sclerosis

   
The Medical Letter on Drugs and Therapeutics • Mar 06, 2023  (Issue 1671)
OF ACTION ― Ublituximab binds to the CD20 surface antigen on pre-B and mature B lymphocytes, leading ...
The FDA has approved the recombinant chimeric anti-CD20 antibody ublituximab-xiiy (Briumvi – TG Therapeutics) for IV treatment of adults with relapsing forms of multiple sclerosis (MS), including clinically isolated syndrome (initial neurological episode), relapsing-remitting disease, and active secondary progressive MS (SPMS). Two other anti-CD20 antibodies, IV ocrelizumab (Ocrevus) and SC ofatumumab (Kesimpta), are also FDA-approved for these indications.
Med Lett Drugs Ther. 2023 Mar 6;65(1671):36-8   doi:10.58347/tml.2023.1671c |  Show IntroductionHide Introduction

Tirzepatide (Zepbound) for Chronic Weight Management

   
The Medical Letter on Drugs and Therapeutics • Dec 25, 2023  (Issue 1692)
, lipid levels, and A1C were also observed with tirzepatide.3,4 MECHANISM OF ACTION — Acting ...
The injectable glucose-dependent insulinotropic polypeptide (GIP)/glucagon-like peptide-1 (GLP-1) receptor agonist tirzepatide, which was approved by the FDA as Mounjaro for treatment of type 2 diabetes in 2022, has now been approved as Zepbound (Lilly) for chronic weight management in adults who have a BMI ≥30 kg/m2 or a BMI ≥27 kg/m2 and at least one weight-related comorbidity. The injectable GLP-1 receptor agonists liraglutide (Saxenda) and semaglutide (Wegovy) are approved for chronic weight management in patients ≥12 years...
Med Lett Drugs Ther. 2023 Dec 25;65(1692):205-7   doi:10.58347/tml.2023.1692c |  Show IntroductionHide Introduction

Seladelpar (Livdelzi) for Primary Biliary Cholangitis

   
The Medical Letter on Drugs and Therapeutics • Jan 20, 2025  (Issue 1720)
. MECHANISM OF ACTION — Seladelpar inhibits bile acid synthesis through activation of PPAR-delta ...
Seladelpar (Livdelzi – Gilead), a peroxisome proliferator-activated receptor (PPAR)-delta agonist, has received accelerated approval from the FDA for use in combination with ursodeoxycholic acid (ursodiol, UDCA; Urso Forte, and generics) for treatment of primary biliary cholangitis (PBC) in adults who had an inadequate response to UDCA and as monotherapy in those unable to tolerate UDCA. Accelerated approval was based on a reduction in alkaline phosphatase (ALP) levels. Seladelpar is the second PPAR agonist to be approved in the US for this indication; elafibranor (Iqirvo)...
Med Lett Drugs Ther. 2025 Jan 20;67(1720):13-5   doi:10.58347/tml.2025.1720d |  Show IntroductionHide Introduction

Vadadustat (Vafseo) for Anemia of Chronic Kidney Disease

   
The Medical Letter on Drugs and Therapeutics • Feb 17, 2025  (Issue 1722)
MECHANISM OF ACTION — Hypoxia-inducible factor (HIF) is a key regulator of erythropoietin gene expression ...
The FDA has approved the hypoxia-inducible factor prolyl hydroxylase inhibitor (HIF-PHI) vadadustat (Vafseo – Akebia) for oral treatment of anemia due to chronic kidney disease (CKD) in adults who have been on dialysis for at least 3 months. Vadadustat is the second HIF-PHI to be approved in the US for this indication; daprodustat (Jesduvroq) was approved earlier, but it was withdrawn from the US market in 2024 for commercial reasons.
Med Lett Drugs Ther. 2025 Feb 17;67(1722):27-9   doi:10.58347/tml.2025.1722b |  Show IntroductionHide Introduction

Guselkumab (Tremfya) for Ulcerative Colitis

   
The Medical Letter on Drugs and Therapeutics • Mar 17, 2025  (Issue 1724)
or in combination with a biologic drug.4-6 MECHANISM OF ACTION — IL-23 is a proinflammatory cytokine involved ...
The interleukin (IL)-23 antagonist guselkumab (Tremfya – Janssen Biotech) has now been approved by the FDA for treatment of moderately to severely active ulcerative colitis (UC) in adults; it was approved earlier for treatment of plaque psoriasis and psoriatic arthritis. Guselkumab is the third IL-23 antagonist to be approved in the US for treatment of UC; risankizumab (Skyrizi) and mirikizumab (Omvoh) were approved earlier.
Med Lett Drugs Ther. 2025 Mar 17;67(1724):46-8   doi:10.58347/tml.2025.1724d |  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