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February 6, 2026European Heart Journal

Comprehensive analysis of medical and invasive treatment strategies for patients with significant left anterior descending artery disease (COMMIT LAD)

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Why the study?

Optimal CAD treatment requires distinguishing focal from diffuse disease, as CABG and OMT may be more suitable for diffuse CAD while PCI is effective for focal lesions.

Does a physiology- and imaging-guided treatment strategy (COMMIT-LAD) reduce MACE in symptomatic patients with hemodynamically significant LAD disease?

Population

75 symptomatic patients with hemodynamically significant proximal LAD disease

Comparison

COMMIT-LAD physiology- and imaging-guided strategy vs standard strategy

Design

Prospective, multicenter, real-world registry

Follow-up

12 months

Key result

A physiology- and imaging-guided strategy for significant LAD disease favored CABG (49% vs 7%) and OMT (37% vs 3.3%) over PCI (19% vs 90%) compared to standard care (p<0.0001).

Authors

RBRoberto BovaMBM BettiJBJ Bastings

Discussion

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Overview

Supports physiology/imaging guidance shifting LAD treatment from PCI to CABG/OMT; leaves open effects on MACE.

Key Points

  • The study aims to compare the effectiveness of surgical versus pharmacological treatments in patients with diffuse coronary artery disease, focusing on left anterior descending artery disease.
  • Prospective, multicenter real-world registry
  • Enrollment of symptomatic patients with significant left anterior descending artery disease
  • Physiology- and imaging-guided assessment using fractional flow reserve and resting full-cycle ratio
  • Comparison of treatment strategies between COMMIT-LAD group and Standard Strategy group
  • Follow-up assessments at 1, 3, 6, and 12 months
  • 75 patients enrolled (30 in Standard Strategy group; 45 in COMMIT-LAD group)
  • 1 major adverse cardiovascular event reported in COMMIT-LAD group; no mortality
  • 30-day follow-up completed for all patients; improvement noted in SAQ-7 scores for both groups
  • PCI was used in 90% of Standard Strategy patients compared to 19% in COMMIT-LAD
  • CABG and OMT were more common in the COMMIT-LAD group, highlighting different treatment trends

Study Design

Type

Observational (n=75)

Multicenter

Yes

Structured PICO

Does a physiology- and imaging-guided treatment strategy (COMMIT-LAD) reduce MACE in symptomatic patients with hemodynamically significant LAD disease?

P
Population
75 symptomatic patients with hemodynamically significant left anterior descending artery (LAD) disease with the involvement of the proximal segment (FFR ≤0.80, RFR ≤0.89).
I
Intervention
COMMIT-LAD strategy: diffuse LAD disease treated with optimal medical therapy (OMT) or CABG, and focal LAD lesions treated using OCT-guided PCI based on RFR pullback.
C
Comparator
Standard Strategy: treatment plans deviate from physiological assessment results, or no such assessment performed.
O
Outcome
MACE (Major Adverse Cardiovascular Events)composite

Incorporating intracoronary functional measurements to differentiate focal from diffuse LAD disease significantly alters treatment selection, favoring CABG and OMT over PCI.

Cite This Study

Bova et al. (2025) conducted an observational in Significant left anterior descending artery (LAD) disease (n=75). COMMIT-LAD strategy (physiology- and imaging-guided treatment) vs. Standard Strategy was evaluated on MACE (Major Adverse Cardiovascular Events). A physiology- and imaging-guided strategy for significant LAD disease favored CABG (49% vs 7%) and OMT (37% vs 3.3%) over PCI (19% vs 90%) compared to standard care (p<0.0001).

synapsesocial.com/papers/698585db8f7c464f23009999https://doi.org/10.1093/eurheartj/ehaf784.1821
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