Evidence map›Paper›PMID 39988344›Full record

SynthesisOpen heart2025

Efficacy of cardiac myosin inhibitors mavacamten and aficamten in hypertrophic cardiomyopathy: a systematic review and meta-analysis of randomised controlled trials.

Ayesha Aman, Arfa Akram, Bisma Akram, Momina Maham, Masooma Zainab Bokhari, Aleena Akram, Sania Akram, Furqan Yaqub

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Open heart, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
–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

7 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Review
  6. Myosin inhibitors for treatment of hypertrophic cardiomyopathy.The Cochrane database of systematic reviews · 2025
    Article
  7. Article
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

8 authors.

Ayesha AmanDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan ayesha34aman@gmail.com.ORCID http://orcid.org/0009-0003-7503-5937
Arfa AkramDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan.
Bisma AkramDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan.
Momina MahamDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan.
Masooma Zainab BokhariDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan.
Aleena AkramDepartment of Medicine, Shalamar Medical and Dental College, Lahore, Punjab, Pakistan.
Sania AkramDepartment of Medicine, King Edward Medical University, Lahore, Punjab, Pakistan.
Furqan YaqubDepartment of Cardiology, King Edward Medical University, Lahore, Punjab, Pakistan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundUnlike other suggested therapies, myosin inhibitors have been shown to change the course of hypertrophic cardiomyopathy by altering the contractile mechanics of cardiomyocytes. This meta-analysis sought to determine the efficacy of mavacamten and aficamten in hypertrophic cardiomyopathy.

methodsThe online databases were searched from inception to July 2024, including the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, ClinicalTrials.gov. The meta-analytical data were pooled using risk ratios (RRs) with 95% CI, standard mean difference (SMD) and SE.

resultsA total of 6 randomised controlled trials with 826 hypertrophic cardiomyopathy patients (mean age±SD up to 59.8±14.2 years in intervention vs 60.9±10.5 years in placebo) were included in our study. Of these, 443 received a cardiac myosin inhibitor and 383 received a placebo. The resting left ventricular outflow tract (LVOT) gradient between the two groups was considerably improved by cardiac myosin inhibitors (MD -57.27; 95% CI -63.05 to -51.49). Significant differences were also observed in the post-Valsalva LVOT gradient between the two groups (MD -55.86; 95% CI -65.55 to -46.18). Significantly decreased left ventricle ejection fraction (LVEF) was also seen (MD -4.74; 95% CI -7.22 to -2.26). The New York Health Association (NYHA) class improvement between the two groups also changed significantly (RR 2.21; 95% CI 1.75 to 2.80). Cardiac myosin inhibitors also caused significant improvement in the Kansas City Cardiomyopathy Questionnaire in a Clinical Summary Score between the two groups (MD 7.71; 95% CI 5.37 to 10.05) and significant reduction in the N-terminal pro-B-type natriuretic peptide (SMD -13.27; 95% CI -17.51 to -9.03) and the cardiac troponin I (SMD -11.90; 95% CI -15.07 to -8.72).

conclusionAccording to our meta-analysis, cardiac myosin inhibitors significantly improve the resting and post-Valsalva LVOT gradient, reduce the LVEF and improve the NYHA class and cardiac biomarkers when compared with the placebo. PROSPERO REGISTRATION NUMBER: CRD52024586161.

Indexed as

BenzylaminesCardiac MyosinsCardiomyopathy, HypertrophicUracilVentricular Function, LeftHumansRandomized Controlled Trials as TopicTreatment OutcomeBenzylaminesCardiac MyosinsMYK-461UracilCardiomyopathiesCardiomyopathy, HypertrophicMeta-Analysis

Identifiers

PMID39988344
PMCPMC11848667

What OpenQuestion holds

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LicenceCC BY-NC
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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.