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Searched for action. Results 701 to 710 of 1197 total matches.
Vutrisiran (Amvuttra) for Transthyretin Amyloid Cardiomyopathy
The Medical Letter on Drugs and Therapeutics • Jun 23, 2025 (Issue 1731)
and all-cause mortality compared to placebo.5,6
MECHANISM OF ACTION — Binding of siRNA to
messenger RNA (mRNA ...
The FDA has approved vutrisiran (Amvuttra – Alnylam), a
subcutaneously injected small interfering RNA (siRNA),
to reduce cardiovascular hospitalizations, urgent heart
failure visits, and cardiovascular death in adults with
wild-type or variant transthyretin amyloid cardiomyopathy
(ATTR-CM). Vutrisiran is the first siRNA to be
approved in the US for this indication; it was approved
earlier for treatment of polyneuropathy associated with
hereditary transthyretin-mediated amyloidosis.
Med Lett Drugs Ther. 2025 Jun 23;67(1731):102-4 doi:10.58347/tml.2025.1731b | Show Introduction Hide Introduction
Imlunestrant (Inluriyo) for Advanced Breast Cancer
The Medical Letter on Drugs and Therapeutics • Jan 19, 2026 (Issue 1746)
mutations (2.8
vs 1.9 months).1
MECHANISM OF ACTION ― Imlunestrant binds to and
degrades estrogen ...
The FDA has approved imlunestrant (Inluriyo – Lilly),
an oral estrogen receptor antagonist, for treatment
of estrogen receptor (ER)-positive, human epidermal
growth factor receptor 2 (HER2)-negative, estrogen
receptor 1 (ESR1)-mutated advanced or metastatic
breast cancer in adults who had disease progression
following at least one prior line of endocrine therapy.
Imlunestrant is the second oral selective estrogen
receptor degrader (SERD) to be approved in the US for
treatment of breast cancer; elacestrant (Orserdu) was
approved in 2023.
Med Lett Drugs Ther. 2026 Jan 19;68(1746):14-5 doi:10.58347/tml.2026.1746d | Show Introduction Hide Introduction
Obinutuzumab (Gazyva) for Lupus Nephritis
The Medical Letter on Drugs and Therapeutics • Mar 16, 2026 (Issue 1750)
, but neither drug has been shown to improve
renal response rates in clinical trials.
MECHANISM OF ACTION ...
Obinutuzumab (Gazyva – Genentech), a CD20-directed
monoclonal antibody, has been approved by the FDA
for treatment of adults with active lupus nephritis who
are receiving standard treatment. It was previously
approved for treatment of chronic lymphocytic leukemia
and follicular lymphoma. Obinutuzumab is the third
drug to be approved in the US for treatment of lupus
nephritis; the oral calcineurin inhibitor voclosporin
(Lupkynis) and the parenteral B-lymphocyte stimulator
(BlyS)-specific inhibitor belimumab (Benlysta) were
approved earlier.
Med Lett Drugs Ther. 2026 Mar 16;68(1750):46-7 doi:10.58347/tml.2026.1750c | Show Introduction Hide Introduction
Ziftomenib (Komzifti) for Acute Myeloid Leukemia (online only)
The Medical Letter on Drugs and Therapeutics • Mar 16, 2026 (Issue 1750)
for
this indication.
Pronunciation Key
Ziftomenib: zif toe' me nib Komzifti: kom zif' tee
MECHANISM OF ACTION ...
Ziftomenib (Komzifti – Kura), an oral menin inhibitor,
has been approved by the FDA for treatment of adults
with relapsed or refractory acute myeloid leukemia
(AML) with a susceptible nucleophosmin 1 (NPM1)
mutation who have no satisfactory alternative
treatment options. It is the second oral menin inhibitor
to be approved in the US for this indication; revumenib
(Revuforj) was approved in October 2025 for use in
patients ≥1 year old.
Med Lett Drugs Ther. 2026 Mar 16;68(1750):e48-9 doi:10.58347/tml.2026.1750e | Show Introduction Hide Introduction
Two New Drugs for Glaucoma
The Medical Letter on Drugs and Therapeutics • Jul 16, 2018 (Issue 1551)
or more
drugs. Combining drugs with different mechanisms
of action can produce greater reductions in IOP ...
The FDA has approved two new ophthalmic drugs for
reduction of intraocular pressure (IOP) in patients with
open-angle glaucoma or ocular hypertension: latanoprostene
bunod (Vyzulta – Bausch and Lomb), a modified
prostaglandin analog, and netarsudil (VRhopressa – Aerie),
the first Rho kinase inhibitor to be approved in the US.
Baloxavir Marboxil (Xofluza) for Treatment of Influenza
The Medical Letter on Drugs and Therapeutics • Dec 03, 2018 (Issue 1561)
in patients ≥12 years
old. Baloxavir is the first drug with a new mechanism
of action to be approved ...
The FDA has approved baloxavir marboxil (Xofluza –
Shionogi/Genentech), the first polymerase acidic (PA)
endonuclease inhibitor, for single-dose, oral treatment
of acute uncomplicated influenza in patients ≥12 years
old. Baloxavir is the first drug with a new mechanism
of action to be approved for treatment of influenza in
almost 20 years.
Daridorexant (Quviviq) for Insomnia
The Medical Letter on Drugs and Therapeutics • Jul 11, 2022 (Issue 1654)
of chronic insomnia.2,3
MECHANISM OF ACTION — Signaling of orexin A
and B at their receptors, OX1R and OX2R ...
The FDA has approved daridorexant (Quviviq –
Idorsia), an orexin receptor antagonist, for treatment
of sleep-onset and/or sleep-maintenance insomnia
in adults. Daridorexant is the third orexin receptor
antagonist to be approved for this indication;
suvorexant (Belsomra) and lemborexant (Dayvigo)
were approved earlier.
Drugs for Alcohol Use Disorder
The Medical Letter on Drugs and Therapeutics • Dec 13, 2021 (Issue 1639)
for treatment of
opioid use disorder.8
Mechanism of Action – Naltrexone is a mu-opioid
receptor antagonist ...
Consumption of alcohol has increased during the
COVID-19 pandemic. The Diagnostic and Statistical
Manual for Mental Disorders, 5th edition (DSM-5) defines
alcohol use disorder (AUD; previously called alcohol
dependence) as meeting ≥2 of the 11 criteria listed in
Table 1 in the past year. The lifetime prevalence of AUD
in the US population has been estimated to be about
30%. Despite this high prevalence and the associated
morbidity, mortality, and costs, only 3 drugs are FDA-approved
for treatment of the disorder.
Etodolac
The Medical Letter on Drugs and Therapeutics • Aug 23, 1991 (Issue 851)
of
rheumatoid arthritis.
MECHANISM OF ACTION — Etodolac, like other NSAIDs, inhibits prostaglandin synthesis ...
Etodolac (Lodine - Wyeth-Ayerst), a nonsteroidal anti-inflammatory drug (NSAID) available in Europe for several years, was recently approved by the U.S. Food and Drug Administration for use in osteoarthritis and as a general-purpose analgesic. It has not been approved for treatment of rheumatoid arthritis.
Pamidronate
The Medical Letter on Drugs and Therapeutics • Jan 10, 1992 (Issue 861)
formulation of pamidronate has been used in Europe, but is not available in the
USA.
MECHANISM OF ACTION ...
Disodium pamidronate (Aredia - Ciba-Geigy), an aminohydroxypropilidene bisphosphonate, has been approved by the US Food and Drug Administration for intravenous (IV) treatment of hypercalcemia associated with malignancy, with or without bone metastases. The drug is also being investigated for use in Paget's disease of bone, hyperparathyroidism, and postmenopausal osteoporosis. An oral formulation of pamidronate has been used in Europe, but is not available in the USA.
