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NCT04494347Completed

Watchman for Patients With Atrial Fibrillation Undergoing Transcatheter Mitral Valve Repair (WATCH-TMVR)

Source: ClinicalTrials.gov · Last updated 1 May 2026

Brief summary (registry, in English)

WATCH-TMVR (Watchman for Patients with Atrial Fibrillation Undergoing Transcatheter Mitral Valve) Clinical Trial have the main objective to assess the feasibility of combining clinically indicated MitraClip TMVR and Watchman LAAO in one setting.Mayo Clinic will be the data coordinating center for this trial, which will include up to 3 sites.

Status (registry)
Completed
Study type
Observational
Enrollment
25 (actual)
First submitted
1 Jul 2020
Start date
1 Nov 2020
Primary completion date
7 Mar 2025
Lead sponsor
Mayo Clinic
NCT number
NCT04494347

What you commit to

  • Study type: Observational
  • Participants enrolled: 25
  • From 1 Nov 2020 to the primary completion date, 7 Mar 2025
  • 2 sites in 2 countries
  • Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Prior treatment

  • The patient has intra-cardiac thrombus as visualized by TEE within 1 week prior to Watchman procedure;
  • Prior occlusion of LAA;
  • The patient requires long-term warfarin therapy due to:
    • Secondary to conditions such as prior arterial embolism or other indications such as pulmonary embolism or deep vein thrombosis within the previous 6 months.
    • The patient is in a hypercoagulable state.
  • The patient is actively enrolled in another trial of a cardiovascular device or an investigational drug (post-market study and registries are acceptable);

Lab values

  • Any clinically significant medical condition or presence of any laboratory abnormality performed prior to randomization that is considered by the investigator to be clinically important and could interfere with the conduct of the study or not meeting procedure guidelines for WATCHMAN or TMVr with MitraClip;

Age

  • Exclude the patient if per medical record documentation the patient meets any of the following criteria: • Thrombosis occurring at under 40 years age • Idiopathic or recurrent VTE (venous thromboembolism • Thrombosis at an unusual site (cerebral veins, hepatic veins, renal veins, IVC, mesenteric veins) • Family history of VTE or of inherited prothrombotic disorder, recurrence/extension of thrombosis while adequately anti-coagulated;

Other

  • Mitral valve anatomy not deemed suitable for TMVr;
  • Moderate to severe mitral stenosis (mean gradient \>10 mmHg or MVA \<1.5 cm2);
  • Contraindication for short-term anticoagulation;
  • Implanted mechanical mitral valve;
  • The patient is pregnant, or pregnancy is planned during the course of the investigation if patient is of child bearing potential;
  • The patient has a life expectancy of less than one year.

Who the study is looking for

  • Men and Women ≥ 18 years of age;
  • The patient has severe symptomatic mitral regurgitation meet criteria for the commercially available MitraClip;
  • The patient also has documented paroxysmal, persistent, or permanent atrial fibrillation AND The patient meets the WATCHMAN labeling guidelines;
  • The patient is eligible for short-term oral anticoagulation therapy with Warfarin or a direct oral anticoagulant;
  • The patient or legal representative is able to understand and willing to provide written informed consent to participate in the trial;
  • The patient is able and willing to return for required follow-up visits.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (2)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Ottawa Heart Institute
Coordinator of this site? Confirm its status
OttawaCanadaUnknown status
Mayo Clinic
Coordinator of this site? Confirm its status
RochesterUnited StatesUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.