Intestinal Microbiota Transplantation in Patients With Chronic Heart Failure

NCT07490054 — Phase 1, Recruiting, 40 participants, Melana Yuzefpolskaya, MD
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An Open-Label, Pilot Clinical Trial To Test The Safety And Feasibility Of Intestinal Microbiota Transplantation In Patients With Chronic Heart Failure

RegistryNCT07490054, acronym IMT
StatusRecruiting
PhasePhase 1
Study typeInterventional; na, single group, masking: none, treatment
Enrollment40 (Estimated)
SponsorMelana Yuzefpolskaya, MD (Other)
ConditionsChronic Heart Failure
InterventionsMTP-101-C encapsulated Microbiota, Vancomycin, Neomycin (Biological, drug)
Datesstart 2025-10-20, primary completion 2027-09-01 (estimated), completion 2027-11-01 (estimated), first posted 2026-03-24, last updated 2026-10-08
Locations1 site in United States

Related Papers Related Patents Related Grants Related Experts
All trials for Chronic Heart Failure All trials of MTP-101-C encapsulated Microbiota All trials of Vancomycin

-Summary

The purpose of this study is to determine whether people with CHF, who often have different gut bacteria from healthy, would benefit from replacing their gut bacteria with healthy donor bacteria (also known as Intestinal Microbiota Transplantation - IMT). IMT aims to restore healthy gut bacteria in patients with CHF, with previous studies showing its effectiveness, but further research is needed. IMT is an approved treatment for patients with infectious diarrhea. More than 10,000 IMTs are performed every year in the US. However IMT is not approved for patients with CHF, and thus considered investigational.

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+Detailed description

Hypothesis: CHF is thought to be partly mediated by inflammation. The primary hypotheses are anchored in the premise that the pathophysiology of CHF is in part driven by inflammation arising from low diversity, dysbiotic intestinal microbiota through at least three mechanisms including: i) enrichment of gram- negative lipopolysaccharide (LPS) producers; ii) enrichment of organisms with uremic toxin producing potential, particularly in the setting of impaired renal functional which is common in CHF; iii) depletion of short chain fatty acid producers (SCFA) which are known to be important anti-inflammatory molecules. The investigators hypothesize that IMT therapy will increase gut diversity, reduce inflammation and improve functional capacity and biomarkers of hemodynamic stress.

Phase of Clinical Trial: 1

Study Design and Participants: Single-center, open-label study for safety and feasibility of IMT in patients with CHF. After consent, individuals of the ages 18+ with a diagnosis of CHF not due to acute myocarditis or infiltrative disease, will be enrolled to receive antibiotic preconditioning for 7 days followed by IMT daily for additional 7 days. Prior to antibiotics and IMT, recipients will be screened for inclusion/exclusion criteria, interviewed for medical history and medications, and consented. Additionally, prior to undergoing IMT and antibiotic preconditioning, baseline blood and fecal samples will be collected, and patients will undergo a six-minute walk test, echocardiogram, and quality of life questionnaire (emPHasis-10, a validated short questionnaire to assess health-related quality of life in those with CHF). Additional fecal sample would be collected following 7 days of antibiotics preconditioning and prior to initiation of active IMT therapy. Patients will undergo follow-up either by phone, video or in-person visit, or online survey of symptoms on days 1-21, and then monthly up to 6 months post-IMT to screen for serious adverse events (SAEs) and adverse events (AEs). Screening for SAEs and AEs will be done using a symptom questionnaire as well as by asking patients during our interview. Blood samples and a fecal sample will be collected from participants on months one and six post-IMT to assess circulating inflammatory mediators and to assess for changes in recipient microbiome (engraftment kinetics). At six months, patients will also undergo repeat six-minute walk test, echocardiogram, and quality of life questionnaire when logistically possible and clinically indicated.

+Arms and interventions

ArmTypeInterventionsDescription
Participants with Chronic Heart Failure (CHF)ExperimentalBiological: MTP-101-C encapsulated Microbiota; Drug: Vancomycin; Drug: NeomycinAntibiotic preconditioning: The antibiotic conditioning regimen will occur in the 7 days prior to IMT therapy. Antibiotic conditioning will consist of 250 mg of Vancomycin twice daily for 7 days + 500 mg of Neomycin twice daily for 7 days. IMT dosing: A single dose consists of four, size 00 capsules of MTP-101C. An individual study participant will take the drug from a single lot only. Each lot contains microbiota separated and prepared from the stool of the individual donor and includes the dates of donation. Each dose (four capsules) will be taken daily in the morning on an empty stomach. Clear liquids are allowed, and a regular breakfast can follow two hours later. Alternatively, the capsules can be taken after four hours of clear liquids, and no food other than clear liquids are allowed for two hours after the capsules are taken. The IMT treatment is administered for seven days. However, if the patient is hospitalized or wishes to stop the treatment, it will be stopped.
  • MTP-101-C encapsulated Microbiota (Biological), also known as MTP-101-C: Compound MTP-101-C was originally developed for treatment of the recurrent C. difficile infection syndrome (rCDI) following completion of anti-C. difficile antibiotic course. Fecal microbiota is prepared from stool of healthy human donors, who are screened and tested for infectious and non-infectious diseases. Raw stool is homogenized and filtered to separate the microbiota. The fecal microbiota is frozen in the presence of a lyoprotectant (trehalose), freeze-dried, and encapsulated into hypromellose capsules (DRcaps from Capsugel, Morristown, NJ). Each capsule contains ≥ 1 x 1011 and ≤ 2.0 x 1011 bacterial cells.
  • Vancomycin (Drug): glycopeptide antibiotic
  • Neomycin (Drug): aminoglycoside antibiotic

+Outcome measures

Primary outcomes

  • Number of Adverse Events [Day 180]: Safety will be measured by the number of adverse events that occur in participants.
  • Study Drug Adherence [Day 14]: Study drug adherence (compliance) will be measured as the number of participants taking 100% (all doses) of the IMT.

+Eligibility

Sex: All, ages: 18 Years to any

Inclusion Criteria:

* Diagnosis of Heart Failure with Reduced Ejection Fraction (HFrEF) or Heart Failure with Reduced Ejection Fraction (HFpEF), New York Heart Association Class II-IV
* On stable treatment for CHF for one month prior to enrollment
* Able to swallow capsules
* Able to provide blood sample and fecal sample
* Stated willingness to comply with all study procedures and availability for the duration of trial to follow-up by telephone, in-person, email, and/or video visits or correspondence.

Exclusion Criteria:

* Dysphagia to pills
* Clinically active inflammatory bowel disease
* History of celiac disease
* Listed for transplant, and anticipated transplant listing or LVAD placement in the next 6 months
* Acute myocarditis
* Infiltrative and hypertrophic cardiomyopathies
* Renal disease requiring dialysis
* Pregnancy or breastfeeding. A pregnancy test will be obtained from females of child-bearing potential at the screening visit or day 1 (prior to the receipt of IMT). Patients with a positive pregnancy test will be excluded. A negative result will be required for subjects who are females of child-bearing potential to receive IMT treatment. Patients will be counseled to avoid pregnancy which is the standard of care for patients with CHF.
* Life expectancy of < 6 months
* Presence of ileostomy or colostomy
* Patients on immunosuppressants (calcineurin inhibitors, prednisone ≥ 20 mg/day, methotrexate, azathioprine, immunosuppressive biologics, JAK inhibitors).
* Patients with neutropenia (an absolute neutrophil count < 0.5 x 109 cells/L) obtained on a complete blood count with differential at screening
* History of solid organ or bone marrow transplant
* Anticipated recurrent antibiotic use (patients with frequent urinary tract infections or sinusitis)
* History of severe anaphylactic food allergy
* Patients receiving cancer chemotherapy, immunotherapy, or radiation

+Locations (1)

FacilityCityCountryStatus
Columbia University Irving Medical CenterNew York, New YorkUnited StatesRecruiting

+Publications

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+Investigators