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Searched for action. Results 271 to 280 of 340 total matches.

Lenacapavir (Yeztugo) for HIV Pre-Exposure Prophylaxis

   
The Medical Letter on Drugs and Therapeutics • Aug 18, 2025  (Issue 1735)
trials, it was more effective than oral FTC/TDF in preventing HIV infection.3 MECHANISM OF ACTION ...
The FDA has approved oral and injectable formulations of the HIV-1 capsid inhibitor lenacapavir (Yeztugo – Gilead) for pre-exposure prophylaxis (PrEP) to reduce the risk of sexually acquired HIV-1 in at-risk adolescents and adults. Lenacapavir is the first drug to be approved for this indication that is given twice-yearly; other drugs approved for this indication are given once daily or once every 2 months. Lenacapavir was approved in 2022 as Sunlenca for use with other antiretroviral drugs to treat multidrug-resistant HIV-1 infection (MDR-HIV) in heavily treatment-experienced...
Med Lett Drugs Ther. 2025 Aug 18;67(1735):132-4   doi:10.58347/tml.2025.1735c |  Show IntroductionHide Introduction

Sebetralstat (Ekterly) for Treatment of Hereditary Angioedema Attacks

   
The Medical Letter on Drugs and Therapeutics • Feb 16, 2026  (Issue 1748)
kallikrein, a protease involved in bradykinin production.4,5 MECHANISM OF ACTION ― Sebetralstat inhibits ...
Sebetralstat (Ekterly – Kalvista), an oral plasma kallikrein inhibitor, has been approved by the FDA for treatment of acute hereditary angioedema (HAE) attacks in patients ≥12 years old. It is the first oral drug to be approved in the US for this indication. The intravenous C1 esterase inhibitors (C1INHs) Berinert and Ruconest, the subcutaneous plasma kallikrein inhibitor ecallantide (Kalbitor), and the subcutaneous bradykinin B2 receptor antagonist icatibant (Firazyr) have been available for years for on-demand treatment of HAE attacks; all of these drugs except ecallantide can...
Med Lett Drugs Ther. 2026 Feb 16;68(1748):29-30   doi:10.58347/tml.2026.1748c |  Show IntroductionHide Introduction

Donidalorsen (Dawnzera) for Prevention of Hereditary Angioedema Attacks

   
The Medical Letter on Drugs and Therapeutics • Jan 19, 2026  (Issue 1746)
) have been effective in patients with normal C1INH levels, but data are limited.8 MECHANISM OF ACTION ― Donidalorsen ...
Donidalorsen (Dawnzera – Ionis), a subcutaneously injected prekallikrein-directed antisense oligonucleotide, has been approved by the FDA for prevention of hereditary angioedema (HAE) attacks in patients ≥12 years old. It is the first RNA-targeted drug to be approved in the US for this indication.
Med Lett Drugs Ther. 2026 Jan 19;68(1746):12-4   doi:10.58347/tml.2026.1746c |  Show IntroductionHide Introduction

Oral Semaglutide (Wegovy) for Weight Loss

   
The Medical Letter on Drugs and Therapeutics • Feb 02, 2026  (Issue 1747)
with overweight or obesity and established cardiovascular disease (CVD).2 MECHANISM OF ACTION — Activation ...
The FDA has approved an oral tablet formulation of the glucagon-like peptide-1 (GLP-1) receptor agonist semaglutide (Wegovy) for chronic weight management in adults. It is the first oral GLP-1 receptor agonist to be approved in the US for weight management. An injectable formulation of Wegovy was approved for the same indication in 2021.1 The injectable GLP-1 receptor agonist liraglutide (Saxenda, and generic) and the injectable glucose-dependent insulinotropic polypeptide (GIP)/GLP-1 receptor agonist tirzepatide (Zepbound) are also FDA-approved for chronic weight management (see...
Med Lett Drugs Ther. 2026 Feb 2;68(1747):17-8   doi:10.58347/tml.2026.1747a |  Show IntroductionHide Introduction

Drugs for Rheumatoid Arthritis

   
The Medical Letter on Drugs and Therapeutics • Nov 15, 2021  (Issue 1637)
alone in limiting joint damage. TNF inhibitors have a faster onset of action than conventional DMARDs ...
Rheumatoid arthritis (RA) is prevalent in 0.5% of adults in the US; it is about 2.5 times more common in women than in men. Guidelines for treatment of RA from the American College of Rheumatology were recently updated. The goal of treatment is to minimize disease activity and prevent irreversible joint damage.
Med Lett Drugs Ther. 2021 Nov 15;63(1637):177-84 |  Show IntroductionHide Introduction

Oriahnn for Fibroid-Associated Heavy Menstrual Bleeding

   
The Medical Letter on Drugs and Therapeutics • Apr 05, 2021  (Issue 1621)
. MECHANISM OF ACTION — Elagolix inhibits endogenous GnRH signaling by binding to GnRH receptors ...
Oriahnn (Abbvie), a fixed-dose combination of the gonadotropin-releasing hormone (GnRH) receptor antagonist elagolix, the estrogen estradiol, and the progestin norethindrone acetate copackaged with elagolix alone, has been approved by the FDA for oral treatment of heavy menstrual bleeding associated with uterine leiomyomas (fibroids) in premenopausal women. It is the first product to be approved in the US for this indication. Elagolix (Orilissa) has been available since 2018 for treatment of moderate to severe pain associated with endometriosis. The GnRH receptor antagonist...
Med Lett Drugs Ther. 2021 Apr 5;63(1621):51-2 |  Show IntroductionHide Introduction

Estetrol/Drospirenone (Nextstellis) - A New Combination Oral Contraceptive

   
The Medical Letter on Drugs and Therapeutics • Jun 28, 2021  (Issue 1627)
” MECHANISM OF ACTION — Like other combination oral contraceptives, estetrol/drospirenone prevents pregnancy ...
The FDA has approved a combination oral contraceptive containing the estrogen estetrol and the progestin drospirenone (Nextstellis – Mithra/Mayne). Estetrol is the first new estrogen to become available in the US in 50 years. Drospirenone is available alone (Slynd) and in combinations with the estrogen ethinyl estradiol for prevention of pregnancy.
Med Lett Drugs Ther. 2021 Jun 28;63(1627):101-2 |  Show IntroductionHide Introduction

An EUA for Tocilizumab (Actemra) for COVID-19

   
The Medical Letter on Drugs and Therapeutics • Jul 26, 2021  (Issue 1629)
, or a need for supplemental oxygen or mechanical ventilation.7 MECHANISM OF ACTION — Tocilizumab ...
The interleukin-6 (IL-6) receptor antagonist tocilizumab (Actemra – Genentech) has received an Emergency Use Authorization (EUA) from the FDA for IV treatment of COVID-19 in hospitalized patients ≥2 years old who are receiving a systemic corticosteroid and require supplemental oxygen, mechanical ventilation, or extracorporeal membrane oxygenation (ECMO). Tocilizumab has been approved by the FDA for various indications, including rheumatoid arthritis and juvenile idiopathic arthritis.
Med Lett Drugs Ther. 2021 Jul 26;63(1629):113-4 |  Show IntroductionHide Introduction

Myfembree for Fibroid-Associated Heavy Menstrual Bleeding

   
The Medical Letter on Drugs and Therapeutics • Aug 09, 2021  (Issue 1630)
, endometrial ablation, myomectomy, and hysterectomy. MECHANISM OF ACTION — Relugolix, like elagolix ...
Myfembree (Myovant/Pfizer), an oral fixed-dose combination of the gonadotropin-releasing hormone (GnRH) receptor antagonist relugolix, the estrogen estradiol, and the progestin norethindrone acetate, has been approved by the FDA for management of heavy menstrual bleeding associated with uterine leiomyomas (fibroids) in premenopausal women. It is the second product to be approved in the US for this indication; Oriahnn, which contains the GnRH receptor antagonist elagolix in combination with estradiol and norethindrone acetate, was approved earlier. Relugolix was approved for...
Med Lett Drugs Ther. 2021 Aug 9;63(1630):121-3 |  Show IntroductionHide Introduction

Topical Roflumilast (Zoryve) for Plaque Psoriasis

   
The Medical Letter on Drugs and Therapeutics • Jan 23, 2023  (Issue 1668)
. MECHANISM OF ACTION ― Roflumilast inhibits PDE4, causing accumulation of intracellular cyclic AMP (cAMP ...
The FDA has approved a 0.3% cream formulation of the phosphodiesterase-4 (PDE4) inhibitor roflumilast (Zoryve – Arcutis) for topical treatment of plaque psoriasis in patients ≥12 years old. Roflumilast is the first topical PDE4 inhibitor to be approved by the FDA for this indication; crisaborole (Eucrisa), another topical PDE4 inhibitor, is approved for treatment of atopic dermatitis. Oral roflumilast (Daliresp) is approved for treatment of chronic obstructive pulmonary disease.
Med Lett Drugs Ther. 2023 Jan 23;65(1668):10-2   doi:10.58347/tml.2023.1668b |  Show IntroductionHide Introduction