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. Author manuscript; available in PMC: 2024 Sep 27.
Published in final edited form as: JACC Heart Fail. 2023 Aug;11(8 Pt 2):1055–1069. doi: 10.1016/j.jchf.2023.07.016

TABLE 1.

Effectiveness of MitraClip in Reducing MR in Clinical Trials

Years Enrolled Type of MR N MitraClip Generation System ≤2+ Residual MR at 1 Year (%) ≤1+ Residual MR at 1 Year (%)

EVEREST II RCT (PMID: 21463154) 2005–2008 Primary (73%) and secondary MR 184 NT (G1) 82 43
Everest II Realism registry (PMID: 30586701) 2005–2013 Secondary MR 616 NT (G1) 84.5 42.9
MITRA-FR 2013–2017 Secondary MR 152 NT (G2) 83.0 49.5
COAPT trial 2013–2017 Secondary MR 302 NT (G2) 94.8 69.1
EXPAND prospective registry 2018–2019 Primary and secondary MR (~50/50) 509 G3 96.0 83.5
EXPAND Secondary MR 2018–2019 Secondary MR 213 G3 99.1 89.5

COAPT = Cardiovascular Outcomes Assessment of the MitraClip Percutaneous Therapy for Heart Failure Patients with Functional Mitral Regurgitation; EVEREST = Endovascular Valve Edge-to-Edge Repair Study; EXPAND = A Contemporary, Prospective, Multi-Center Study Evaluating Real-World Experience of Performance and Safety for the Next Generation of MitraClip Devices; MR = mitral regurgitation; PMID = PubMed identifier; RCT = randomized controlled trial.