Evidence map›Paper›PMID 39584620›Full record

ReviewClinical pharmacology and therapeutics2025

French-Speaking Network of Pharmacogenetics (RNPGx) Recommendations for Clinical Use of Mavacamten.

Louis Lebreton, Jean-Christophe Boyer, Claire Lafay-Chebassier, Benjamin Hennart, Sarah Baklouti, Séverine Cunat, Paul Vilquin, Yves Medard, Elodie Gautier-Veyret, Clara Laffitte-Redondo and 12 more

Abstract readReview
In one paragraph

Review in Clinical pharmacology and therapeutics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

22 authors.

Louis LebretonDépartement de Biochimie, Hôpital Pellegrin, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France.ORCID https://orcid.org/0000-0002-8583-1326
Jean-Christophe BoyerLaboratoire de Biochimie et Biologie Moléculaire, Carémeau University Hospital, Nîmes, France.
Claire Lafay-ChebassierService de Pharmacologie Clinique et Vigilances, CHU Poitiers, Poitiers, France.ORCID https://orcid.org/0000-0001-8970-5514
Benjamin HennartUnité Fonctionnelle de Toxicologie, CHU de Lille, Lille, France.ORCID https://orcid.org/0000-0003-0302-6049
Sarah BakloutiLaboratoire de Pharmacocinétique et Toxicologie, Institut Fédératif de Biologie, CHU de Toulouse, Toulouse, France.
Séverine CunatService d'Hématologie Biologique, CHU de Montpellier, Montpellier, France.ORCID https://orcid.org/0000-0002-9716-185X
Paul VilquinDepartment of Tumor Genomics and Pharmacology, Université Paris-Cité, INSERM UMR-S 976, Saint-Louis Hospital, AP-HP Paris, Paris, France.
Yves MedardDepartment of Tumor Genomics and Pharmacology, Université Paris-Cité, INSERM UMR-S 976, Saint-Louis Hospital, AP-HP Paris, Paris, France.
Elodie Gautier-VeyretUniv. Grenoble Alpes, INSERM, CHU Grenoble Alpes, Grenoble, France.ORCID https://orcid.org/0000-0002-5846-3847
Clara Laffitte-RedondoService de Génétique Moléculaire, Pharmacogénétique et Hormonologie de Bicêtre, Hôpitaux Universitaires Paris-Saclay, Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, Le Kremlin Bicêtre, France.ORCID https://orcid.org/0009-0008-9785-5211
Céline VerstuyftService de Génétique Moléculaire, Pharmacogénétique et Hormonologie de Bicêtre, Hôpitaux Universitaires Paris-Saclay, Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, Le Kremlin Bicêtre, France.ORCID https://orcid.org/0000-0002-8534-224X
Abd El Kader Ait TayebService de Génétique Moléculaire, Pharmacogénétique et Hormonologie de Bicêtre, Hôpitaux Universitaires Paris-Saclay, Assistance Publique-Hôpitaux de Paris, Hôpital de Bicêtre, Le Kremlin Bicêtre, France.ORCID https://orcid.org/0000-0001-6432-1098
Vincent HaufroidLouvain Centre for Toxicology and Applied Pharmacology (LTAP), Institut de Recherche Expérimentale et Clinique, UClouvain, Brussels, Belgium.ORCID https://orcid.org/0000-0001-5040-9806
Julien WilsDepartment of Pharmacology, UNIROUEN, INSERM U1096, CHU Rouen, Normandie University, Rouen, France.ORCID https://orcid.org/0000-0002-6651-0527
Fabien LamoureuxDepartment of Pharmacology, UNIROUEN, INSERM U1096, CHU Rouen, Normandie University, Rouen, France.
Alexandre EvrardInstitut du Cancer de Montpellier, ICM, Université de Montpellier, IRCM, Inserm U1194, Montpellier, France.
Julie Davaze-SchneiderDépartement de Biochimie, Hôpital Pellegrin, Centre Hospitalier Universitaire de Bordeaux, Bordeaux, France.
Mouna Ben-SassiDepartment of Clinical Pharmacology, National Centre Chalbi Belkahia of Pharmacovigilance, Tunis, Tunisia.
Nicolas PicardService de Pharmacologie, Toxicologie et Pharmacovigilance, Centre de Biologie et de Recherche en Santé (CBRS), CHU de Limoges, Limoges, France.ORCID https://orcid.org/0000-0001-8460-903X
Sylvie QuarantaLaboratoire de Biologie Moléculaire GENOPé, M2GM/Laboratoire de Pharmacocinétique et Toxicologie, PRISM, Hôpital de la Timone, AP-HM, Marseille, France.
Estelle Ayme-DietrichLaboratoire de Pharmacologie et Toxicologie NeuroCardiovasculaire, UR7296, Hopitaux Universitaires de Strasbourg, Université de Strasbourg, Strasbourg, France.ORCID https://orcid.org/0000-0002-0613-3803
French‐Speaking Network of Pharmacogenetics (RNPGx)

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mavacamten, the first drug in the class of β-cardiac myosin modulator, is used for the treatment of patients with hypertrophic cardiomyopathy. This orally administered drug demonstrates wide interpatient variability in pharmacokinetics parameters, due in part to variant CYP2C19 alleles. Individuals who are CYP2C19 poor metabolizers have increased exposure and are at increased risk of reduced cardiac hypercontractility. To ensure the safety of all patients, European Medicines Agency recommends CYP2C19 preemptive genotyping, and consecutively, to adapt maintenance and initial mavacamten doses, and to manage drug-drug interactions, according to CYP2C19 phenotype. In this article, we summarize evidence from the literature supporting the association between CYP2C19 phenotype and pharmacological features of mavacamten and provide, beyond biologic guidelines, therapeutic recommendations for the use of mavacamten based on CYP2C19 and CYP3A4/CYP3A5 genotype.

Indexed as

Cardiomyopathy, HypertrophicCytochrome P-450 CYP2C19PharmacogeneticsCytochrome P-450 CYP3ADrug InteractionsGenotypeHumansPharmacogenomic VariantsPhenotypeCYP2C19 protein, humanCYP3A5 protein, humanCytochrome P-450 CYP2C19Cytochrome P-450 CYP3A

Identifiers

PMID39584620
PMCPMC11739748

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.