Mitral Valve RegurgitationAPOLLONCT03242642
Transcatheter Mitral Valve Replacement With the Medtronic Intrepid™ TMVR System in Patients With Severe Symptomatic Mitral Regurgitation.
A study testing Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) in people with Mitral Valve Regurgitation, run by Medtronic Cardiovascular at 85 sites in 3 countries.
Trial summary
Multi-center, global, prospective, non-randomized, interventional, pre-market trial. All subjects enrolled with receive the study device. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Mitral Valve Regurgitation
- What is being tested?
- Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)
- Type of treatment
- Medical device
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 1,056 participants
- Where
- 85 sitesin 3 countries
- Study dates
- 23 Oct 2017to 7 Jul 2036
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Moderate to severe or severe symptomatic mitral regurgitation
- Local site multidisciplinary heart team experienced in mitral valve therapies agrees that the subject is unsuitable for treatment with approved transcatheter repair or conventional mitral valve intervention
Who cannot join
- prior transcatheter mitral valve procedure with device currently implanted
- anatomic contraindications
- prohibitive mitral annular calcification
- left ventricular ejection fraction <25%
- need for emergent or urgent surgery
- hemodynamic instability
Trial locations and contacts
85 sites in 3 countries. Contact the study team or a site near you to ask about taking part.
85 sites in 3 countries
United States78 sites, 68 recruiting
- Recruiting
University of Michigan Health System
Ann Arbor, Michigan, 48109
Keoni Fordham, 734-763-6551, fordham@med.umich.edu
Stanley Chetcuti, MD
- Recruiting
Emory University
Atlanta, Georgia, 30308
Elizabeth Charles, 404-686-1249, elizabeth.z.charles@emory.edu
Adam Greenbaum, MD
- Recruiting
Piedmont Atlanta Hospital
Atlanta, Georgia, 30309
Danielle Griffith, 470-633-2183, danielle.griffith@piedmont.org
Pradeep Yadav, MD
- Recruiting
JFK Medical Center
Atlantis, Florida, 33462
Mailer Fonseca, 561-358-9998, mailer.fonseca@HCAhealthcare.com
Mark Rothenberg, MD
- Recruiting
Heart Hospital of Austin
Austin, Texas, 78756
Shir Yelovitch, 512-459-3300, shir.yelovitch@stdavids.com
John Moscona, MD
- Completed
University of Maryland Medical Center
Baltimore, Maryland, 21201
- Recruiting
The Johns Hopkins Hospital
Baltimore, Maryland, 21287
Michele Fisher, 410-955-6839, mfishe26@jhmi.edu
Rani Hasan, MD
- Recruiting
University of Alabama Birmingham (UAB) Hospital
Birmingham, Alabama, 35233
Marissa Waite, 205-659-5660, mwaite@uabmc.edu
Mustafa Ahmed, MD
- Recruiting
Massachusetts General Hospital
Boston, Massachusetts, 02114
Lina Fu, 617-643-1371, lfu2@partners.org
Ignacio Inglessis, MD
- Recruiting
Brigham and Women's Hospital
Boston, Massachusetts, 02115
Julie Anderson, 617-525-7044, janderson58@bwh.harvard.edu
Pinak Bipin Shah, MD
- Recruiting
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215
Jenifer Kaufman, 617-632-8956, jmkaufma@bidmc.harvard.edu
Roger Laham, MD
- Recruiting
The University of Vermont Medical Center
Burlington, Vermont, 05401-1473
Amy Henderson, 802-847-4746, amy.henderson@uvmhealth.org
Harold Dauerman, MD
- Recruiting
University of Virginia Medical Center
Charlottesville, Virginia, 22908
Christin Henderson, 434-531-2777, cap5j@virginia.edu
John Saxon, MD
- Recruiting
Northwestern Memorial Hospital
Chicago, Illinois, 60611
Justin Cortez, 312-926-4000, justin.cortez@nm.org
S. Chris Malaisrie, MD
- Recruiting
Rush University Medical Center
Chicago, Illinois, 60612
Gaurav Dhar, MD, 312-942-5020, gaurav_dhar@rush.edu
Hussam Suradi, MD
- Recruiting
The Christ Hospital
Cincinnati, Ohio, 45219-2906
Marien Bryson, 513-585-1777, marien.bryson@thechristhospital.com
Puvi Seshiah, MD
- Recruiting
Morton Plant
Clearwater, Florida, 33756
Sue Fisher, 727-462-7574, susan.fisher1@baycare.org
Lang L Lin, MD
- Recruiting
University Hospitals Cleveland Medical Center
Cleveland, Ohio, 44106
Nisreen Zueiter, 216-844-3801, nisreen.zueiter@uhhospitals.org
Guilherme Attizzani, MD
- Recruiting
The Ohio State University Wexner Medical Center
Columbus, Ohio, 43210
Annie Kellum, 740-341-9808, annie.kellum@osumc.edu
Konstantinos Boudoulas, MD
- Recruiting
OhioHealth Riverside Methodist Hospital
Columbus, Ohio, 43214
Martha Slyman, 614-566-1274, martha.slyman@ohiohealth.com
Steven Yakubov, MD
- Recruiting
Texas Health Presbyterian Hospital Dallas
Dallas, Texas, 75231
Evan Porter, 214-345-4387, evanporter@texashealth.org
James Park, MD
- Withdrawn
Baylor Jack and Jane Hamilton Heart and Vascular Hospital
Dallas, Texas, 75246
- Recruiting
MercyOne Des Moines Medical Center
Des Moines, Iowa, 50314
Kendra Tuttle, 515-235-5102, ktuttle@iowaheart.com
Donna J. Prouty, 515-633-3848, donna.prouty@mercyoneiowa.org
- Recruiting
Henry Ford Saint John Hospital
Detroit, Michigan, 48236
Renee Bess, 313-343-4811, rbess1@hfhs.org
Theodore Schreiber, MD
- Withdrawn
Duke University Medical Center
Durham, North Carolina, 27710
- Recruiting
Inova Fairfax Hospital
Fairfax, Virginia, 22042
Diana McLean, 703-776-3367, diana.mclean@inova.org
Shahram Yazdani, MD
- Recruiting
HealthPark Medical Center
Fort Myers, Florida, 33908
Michelle Deckard, 239-343-5074, michelle.deckard@leehealth.org
Murali Muppala, MD
- Recruiting
North Florida Regional Medical Center
Gainesville, Florida, 32605
Danielle Murrhee, 352-244-0208, demurrhee@tcavi.com
Ilie Barb, MD
- Recruiting
Corewell Health
Grand Rapids, Michigan, 49503
Elizabeth Helm, 616-486-2080, elizabeth.helm@corewellhealth.org
William Merhi, MD
- Recruiting
UPMC Pinnacle Harrisburg Campus
Harrisburg, Pennsylvania, 17101
Brittany Mashuda, 240-575-8789, mashudabd@upmc.edu
Arun Kanmanthareddy, MD
- Recruiting
Hartford Hospital
Hartford, Connecticut, 06102
Jill Cloutier, 860-972-2579, jill.cloutier@hhchealth.org
Talhat Azemi, MD
- Recruiting
CHI Saint Luke's Health-Baylor Saint Luke's Medical Center
Houston, Texas, 77030
Zaida Bisbal, 713-798-5568, zaida.bisbal2@bcm.edu
Guilherme Silva, MD
- Recruiting
Houston Methodist Hospital
Houston, Texas, 77030
Tia McGaughy, 346-238-4576, tsmcgaughy@houstonmethodist.org
Neal Kleiman, MD
- Recruiting
The University of Texas Health Science Center at Houston
Houston, Texas, 77030
Anna Menezes, 713-500-6569, anna.m.menezes@uth.tmc.edu
Richard Smalling, MD
- Recruiting
Baptist Medical Center Jacksonville
Jacksonville, Florida, 32207
Doran Byers, 904-202-7218, doran.byers@bmcjax.com
Ruby Satpahy, MD
- Recruiting
University of Kansas Medical Center
Kansas City, Kansas, 66160
Terry Christenson, 913-588-5687, tchristenson3@kumc.edu
Mark Wiley, MD
- Active, not recruiting
Scripps Memorial Hospital
La Jolla, California, 92037
- Recruiting
PIH Health Good Samaritan Hospital
Los Angeles, California, 90017
Xochitl Quintero, 213-977-2121 ext. 2584, xochitl.quintero@pihhealth.org
Steven Burstein
- Recruiting
Kaiser Permanente Los Angeles Medical Center
Los Angeles, California, 90027
Elizabeth Castorena, 323-383-7383, elizabeth.castorena@kp.org
Somjot Brar, MD
- Recruiting
Keck Hospital of the University of Southern California, USC
Los Angeles, California, 90033
Stephanie Mullin, 323-442-6226, stephanie.mullin@med.usc.edu
Vaughn Starnes, MD
- Recruiting
Cedars Sinai Medical Center
Los Angeles, California, 90048
Andjela Kremenovic, 310-967-0844, andjela.kremenovic@cshs.org
Raj Makkar, MD
- Recruiting
Northwell Health North Shore University Hospital
Manhasset, New York, 11030
Kristine McGowan, 516-562-2345, kmcgowan@northwell.edu
Bruce Rutkin, MD
- Recruiting
Aurora St. Luke's Medical Center
Milwaukee, Wisconsin, 53215
Dena Burke, 414-649-3490, Dena.Burke@aah.org
Tanvir Bajwa, MD
- Active, not recruiting
NYU Langone Hospital - Long Island
Mineola, New York, 11501
- Recruiting
Abbott Northwestern Hospital
Minneapolis, Minnesota, 55407
Jason Digman, 612-863-3996, jason.digman@allina.com
Vinayak Bapat, MD
- Recruiting
M Health Fairview University of Minnesota Medical Center - East Bank
Minneapolis, Minnesota, 55455
Melanie Farinella, 612-626-4611, crawl027@umn.edu
Gregory Helmer, MD
- Recruiting
Providence St Patrick
Missoula, Montana, 59802-4008
Christina Michael, 406-329-2792, christina.michael@providence.org
Travis Abicht, MD
- Recruiting
Morristown Medical Center
Morristown, New Jersey, 07960
Catherine Van Zile, 973-971-5951, catherine.vanzile@alantichealth.org
Philippe Genereux, MD
- Recruiting
El Camino Hospital
Mountain View, California, 94040
Mincy Chakkalakal, 650-691-4820, mincy_chakkalakal@elcaminohealth.org
Chad Rammohan, MD
- Recruiting
Vanderbilt University Medical Center
Nashville, Tennessee, 37203
Natalie Jackson, 615-343-1782, natalie.jackson@vumc.org
Tarek Absi, MD
- Recruiting
Jersey Shore University Medical Center
Neptune City, New Jersey, 07753
Anne DeToro, 732-776-3499, annemarie.detoro@hmhn.org
Matthew Saybolt
- Recruiting
Yale New Haven Hospital
New Haven, Connecticut, 06510
Linda Levesque, 203-737-6483, Linda.levesque@yale.edu
John Forrest, MD
- Recruiting
NYU Langone Medical Center
New York, New York, 10016
Sara Hanahan, 929-989-5764, sara.hanahan@nyulangone.org
Matthew Williams, MD
- Recruiting
The Mount Sinai Hospital
New York, New York, 10029
Favio Herbas, 212-241-9914, favio.herbas@mountsinai.org
Samin Sharma, MD
- Recruiting
New York-Presbyterian Hospital Columbia University Medical Center
New York, New York, 10032
Kate Dalton, 347-514-3366, keb2114@cumc.columbia.edu
Isaac George, MD
- Recruiting
Montefiore Medical Center
New York, New York, 10467-2401
Angela Yang, 718-920-6431, anyang@montefiore.org
Azeem Latib, MD
- Recruiting
Sentara Norfolk General Hospital
Norfolk, Virginia, 23507-1904
Christine Calayo, 757-388-3876, cacalayo@sentara.com
Matthew Summers, MD
- Recruiting
Integris Baptist Medical Center
Oklahoma City, Oklahoma, 73112
Jill Fife, 405-951-8607, bethany.fife@integrisok.com
Jeffrey Sparling, MD
- Recruiting
Abrazo Heart Hospital
Phoenix, Arizona, 85018
Jessica Byrne, 602-952-0002, jessica.byrne@abrazohealth.com
Timothy Byrne, MD
- Recruiting
UPMC Presbyterian
Pittsburgh, Pennsylvania, 15213
Kristin Konopka, 412-647-7271, valcharka@upmc.edu
Conrad Smith, MD
- Recruiting
The Heart Hospital Baylor Plano
Plano, Texas, 75093
Jasmine Kennedy, 469-814-4732, jasmine.kennedy@bswhealth.org
Molly Szerlip, MD
- Recruiting
Providence Saint Vincent Medical Center
Portland, Oregon, 97225
Angela Redd, 503-216-2170, angela.redd@providence.org
Brandon Jones, MD
- Recruiting
Oregon Health & Science University Hospital
Portland, Oregon, 97239
Sarah Pellicer, 612-554-1787, pellicer@ohsu.edu
Firas Zahr, MD
- Withdrawn
Saint Mary's Hospital/Bon Secours
Richmond, Virginia, 23226
- Withdrawn
Carilion Roanoke Memorial Hospital
Roanoke, Virginia, 24014
- Recruiting
Saint Francis Hospital
Roslyn, New York, 11576
Patricia Krug, 516-562-6790, patricia.krug@chsli.org
Joan Jennings, 516-562-6790, joan.jennings@chsli.org
- Recruiting
Methodist Hospital
San Antonio, Texas, 78229
Laura Gravino, 210-575-7865, laura.gravino@hcahealthcare.com
Jorge Alvarez, MD
- Recruiting
Kaiser Permanente San Francisco Medical Center
San Francisco, California, 94118-3100
Elizabeth Castorena, 323-383-7383, elizabeth.castorena@kp.org
Ahmad Sheikh, MD
- Withdrawn
The Swedish Medical Center Cherry Hill
Seattle, Washington, 98122
- Recruiting
University of Washington (UW) Medical Center
Seattle, Washington, 98195
John Tushinski, 206-685-4346, jtushin@uw.edu
Christine Chung, MD
- Recruiting
Providence Sacred Heart Medical Center & Children's Hospital
Spokane, Washington, 99204
Lauren Wilcox, 604-521-4500, lauren.wilcox@providence.org
Jonathan Hansen, MD
- Recruiting
Barnes-Jewish Hospital
St Louis, Missouri, 63110-1003
Kim Striler, 314-747-4452, kstriler@wustl.edu
Alan Zajarias, MD
- Recruiting
Stanford Hospital and Clinics
Stanford, California, 94305
Kokil Bakshi, 650-206-0140, kbakshi@stanford.edu
David Lee, MD
- Recruiting
University of South Florida Health
Tampa, Florida, 33606
Mia Eifrid, 813-395-2194, miaeifrid@usf.edu
Hiram Bezerra, MD
- Recruiting
Los Robles Regional Medical Center
Thousand Oaks, California, 91360-1847
Mane Arabyan, 805-796-3746, mane.arabyan@hcahealthcare.com
Saibal Kar, MD
- Active, not recruiting
MedStar Washington Hospital Center
Washington D.C., District of Columbia, 20010
- Active, not recruiting
Winchester Medical Center
Winchester, Virginia, 22601
- Recruiting
Lankenau Medical Center
Wynnewood, Pennsylvania, 19096
Joyce Jung, 484-476-8570, chenste@mlhs.org
Scott S Goldman, MD
Canada6 sites, 6 recruiting
- Recruiting
Montreal Heart Insitute
Montreal, Quebec, H1T 1C8
Sophie Robichaud, 514-376-3330 ext. 3305, sophie.robichaud@icm-mhi.org
Ralph Stephan von Bardeleben, MD
- Recruiting
Glen Royal Victoria Hospital
Montreal, Quebec, H4A 3J1
Thi Mong Ngoc Phan, 514-934-1934 ext. 36147, thimongngoc.phan@muhc.mcgill.ca
Nicolo Piazza
- Recruiting
Royal Columbian Hospital
New Westminster, British Columbia, V3L 3W7
Lauren Samis, 604-521-4500, lsamis@fraserclinicaltrials.com
Razi Khan, MD
- Recruiting
Sunnybrook Health Sciences Centre
Toronto, Ontario, M4N 3M5
Mary Li, 416-480-6100, mli@sri.utoronto.ca
Andrew Czarnecki, MD
- Recruiting
Saint Michael's Hospital
Toronto, Ontario, M5B 1W8
Ivana Kandic, 416-360-4000 ext. 49003, ivana.kandic@unityhealth.to
Neil Fam, MD
- Recruiting
Saint Paul's Hospital
Vancouver, British Columbia, V6Z 1Y6
Tanja Kot, 604-806-8804, tkot@providencehealth.bc.ca
David Wood, MD
About this study
Official title: Transcatheter Mitral Valve Replacement With the Medtronic Intrepid™ TMVR System in Patients With Severe Symptomatic Mitral Regurgitation - APOLLO Trial
Multi-center, global, prospective, non-randomized, interventional, pre-market trial. All subjects enrolled with receive the study device.
- Conditions
- Mitral Valve Regurgitation
- Being tested
- Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)
- Keywords
- Heart disease, valve disease, heart valve disease, mitral regurgitation, cardiovascular disease, mitral insufficiency
- Medical subject headings
- Mitral Valve Insufficiency, Heart Diseases, Heart Valve Diseases, Cardiovascular Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)Device
mitral valve replacement
Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)Device
Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) mitral valve replacement
| Study group | Role | What they receive |
|---|---|---|
| Primary Cohort- TMVR | Experimental | Treatment of mitral regurgitation with the Medtronic Transcatheter Mitral Valve Replacement System (TMVR) Receives: Device: Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) |
| Mitral Annular Calcification -TMVR | Experimental | Treatment of mitral regurgitation with the Medtronic Transcatheter Mitral Valve Replacement System (TMVR) Receives: Device: Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) |
What is being measured
The primary outcome is the main question the study is designed to answer.
Primary Cohort
Composite of all-cause mortality or heart failure hospitalization
Measured: 1 year
MAC Cohort
All-cause mortality
Measured: 1 year
Secondary outcomes (6)
All-cause mortality, disabling stroke, acute kidney injury, prolonged ventilation, deep wound infection, reoperation or reintervention, and major bleeding
Composite
Measured: 30 days or hospital discharge (whichever is later)
Degree of mitral regurgitation
measured by echocardiography
Measured: 6 months
Quality of Life Improvement
measured by KCCQ
Measured: 3 months (KCCQ)
Change in New York Heart Association Class
change in NYHA Class
Measured: 30 days
Echocardiographic assessments of degree mitral valve regurgitation
measured by echocardiography
Measured: 1 year
Cardiovascular hospitalizations
cardiovascular hospitalizations
Measured: 1 year
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted8 Aug 2017
- Study start23 Oct 2017
- Primary completionJun 2027 (estimated)
- Study completion7 Jul 2036 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Mitral Valve RegurgitationStudies of the same condition, open and under way.
- More trials run by Medtronic CardiovascularThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 1,056 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Medtronic Cardiovascular
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Michael Mack, MD, Study chair, Baylor Scott & White HospitalDavid Adams, MD, Principal investigator, Icahn School of Medicine at Mount SinaiMartin Leon, MD, Principal investigator, New York Presbyterian Hospital/Columbia University Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03242642
- Sponsor's protocol ID
- MDT17022TMV001
- Acronym
- APOLLO
- Status last verified
- Oct 2026
- First submitted
- 3 Aug 2017
- Last updated
- 30 Oct 2026
- Results posted
- No
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
Publications
Tang GHL, Rajagopal V, Sorajja P, Bajwa T, Gooley R, Walton A, Modine T, Ng MK, Williams MR, Zajarias A, Hildick-Smith D, Tchetche D, Spargias K, Rajani R, Bapat VN, De Backer O, Blackman D, McCarthy P, Laine M, Jain R, Martin R, Thaden JJ, Marka NA, Mack M, Adams DH, Leon MB, Reardon MJ. Five-year outcomes of the early-generation Intrepid transapical transcatheter mitral valve replacement system. EuroIntervention. 2026 Feb 2;22(3):e172-e182. doi: 10.4244/EIJ-D-25-01133.
PubMed 41251714
Study at a glance
From the registry record, last updated by the sponsor on 30 Oct 2026. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Transcatheter Mitral Valve Replacement With the Medtronic Intrepid™ TMVR System in Patients With Severe Symptomatic Mitral Regurgitation - APOLLO Trial
- ClinicalTrials.gov ID
- NCT03242642
- Acronym / sponsor ID
- APOLLO / MDT17022TMV001
- Conditions
- Mitral Valve Regurgitation
- Keywords
- Heart disease, valve disease, heart valve disease, mitral regurgitation, cardiovascular disease, mitral insufficiency
- Study type
- Interventional
- Recruitment status
- Recruiting
- Enrolment
- 1,056 participants (estimated)
- Lead sponsor
- Medtronic CardiovascularIndustry (pharma, biotech, devices)
- Study start
- 23 Oct 2017 (actual)
- Primary completion
- Jun 2027 (estimated)
- Study completion
- 7 Jul 2036 (estimated)
- First posted
- 8 Aug 2017 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Multi-center, global, prospective, non-randomized, interventional, pre-market trial. All subjects enrolled with receive the study device.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Primary Cohort- TMVR | Experimental | Device: Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)Treatment of mitral regurgitation with the Medtronic Transcatheter Mitral Valve Replacement System (TMVR) |
| Mitral Annular Calcification -TMVR | Experimental | Device: Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)Treatment of mitral regurgitation with the Medtronic Transcatheter Mitral Valve Replacement System (TMVR) |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Moderate to severe or severe symptomatic mitral regurgitation
- Local site multidisciplinary heart team experienced in mitral valve therapies agrees that the subject is unsuitable for treatment with approved transcatheter repair or conventional mitral valve intervention
Key exclusion criteria (6 listed)
- prior transcatheter mitral valve procedure with device currently implanted
- anatomic contraindications
- prohibitive mitral annular calcification
- left ventricular ejection fraction <25%
- need for emergent or urgent surgery
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)mitral valve replacement | Device | Mitral Annular Calcification -TMVR, Primary Cohort- TMVR |
| Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR)Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) mitral valve replacement | Device | Mitral Annular Calcification -TMVR, Primary Cohort- TMVR |
Primary outcome
Primary Cohort
Time frame: 1 year
Composite of all-cause mortality or heart failure hospitalization
MAC Cohort
Time frame: 1 year
All-cause mortality
6 secondary outcomes
All-cause mortality, disabling stroke, acute kidney injury, prolonged ventilation, deep wound infection, reoperation or reintervention, and major bleeding
Time frame: 30 days or hospital discharge (whichever is later)
Degree of mitral regurgitation
Time frame: 6 months
Quality of Life Improvement
Time frame: 3 months (KCCQ)
Change in New York Heart Association Class
Time frame: 30 days
Echocardiographic assessments of degree mitral valve regurgitation
Time frame: 1 year
Cardiovascular hospitalizations
Time frame: 1 year
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Oct 2026.
- Derived from this study: PubMed 41251714Tang GHL, Rajagopal V, Sorajja P, Bajwa T, Gooley R, Walton A, Modine T, Ng MK, Williams MR, Zajarias A, Hildick-Smith D, Tchetche D, Spargias K, Rajani R, Bapat VN, De Backer O, Blackman D, McCarthy P, Laine M, Jain R, Martin R, Thaden JJ, Marka NA, Mack M, Adams DH, Leon MB, Reardon MJ. Five-year outcomes of the early-generation Intrepid transapical transcatheter mitral valve replacement system. EuroIntervention. 2026 Feb 2;22(3):e172-e182. doi: 10.4244/EIJ-D-25-01133.
Related trials for Mitral Valve Regurgitation
RecruitingObservational study
Continuous Dual Aspiration Technique With Zoom System for Stroke
Ischemic Stroke, Acute Stroke
Recruiting
LEFT ATRIAL MONITORING IN PATIENTS BEFORE AND AFTER MITRAL SURGERY - LAMBDA STUDY
Mitral Regurgitation, Mitral Valve Disease
Not yet recruitingObservational study
Multi-center Study of Three-Dimensional Transesophageal Echocardiography in Patients With Secondary Mitral Regurgitation
Mitral Valve Insufficiency
Recruiting
Mitral Valve Edge-to-Edge Repair in Patients With Exercise-Induced Severe Mitral Regurgitation
Heart Failure - NYHA II - IV, Mitral Regurgitation Functional
Not yet recruiting
Early Feasibility Study of the Capstan Medical TMVR System
Mitral Regurgitation (MR)
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Michael Mack, MD study chair
Baylor Scott & White Hospital
David Adams, MD principal investigator
Icahn School of Medicine at Mount Sinai
Martin Leon, MD principal investigator
New York Presbyterian Hospital/Columbia University Medical Center
85 sites in 3 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Medtronic Intrepid Transcatheter Mitral Valve Replacement System (TMVR) in people with Mitral Valve Regurgitation, run by Medtronic Cardiovascular at 85 sites in 3 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 30 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 85 sites in United States, Canada, Denmark. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Megan Wilder Fredrickson (612-469-1749, rs.tmvrpivotaltrial@medtronic.com), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Primary Cohort (time frame: 1 year). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03242642, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Oct 2026.