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Phase 1 N=6 Randomized Quadruple-blind Treatment

Stem Cell Injection in Cancer Survivors

Cardiomyopathy Due to Anthracyclines

Enrolled (actual)
6
Serious AEs
43.2%
Results posted
Nov 2020
Primary outcome: Primary: Proportion of Major Adverse Cardiac Events (MACE) — 3; 6 events

Study Design & Population

Study type
Interventional
Phase
Phase 1
Interventions
Allo-MSCs (Biological); Placebo (Biological)
Age
Adult, Older Adult · 18+ yrs
Sex
All
Sponsor
The University of Texas Health Science Center, Houston
Primary completion
Nov 2019

Outcome Measures

OutcomeResultp-value
PRIMARY
Proportion of Major Adverse Cardiac Events (MACE)
3; 6
PRIMARY
Proportion of Other Significant Clinical Events
0; 1
PRIMARY
Subjects With Events Precluding Their Receipt of Product
0; 1
PRIMARY
Subjects Who Receive Less Than 20 Injections During SPI
1; 0
PRIMARY
Subjects Who Did Not Receive the Study Product (Either 100 Million Cells or Placebo)
0; 0
PRIMARY
Subjects Who Have at Least One Cardiac MRI Endpoint Measure That is Uninterpretable
1; 4
PRIMARY
Subjects Who Fail to Complete Follow-up
2; 1
SECONDARY
Change From Baseline in Left Ventricular Ejection Fraction (LVEF)
3.47; 2.68 0.746
SECONDARY
Change From Baseline in Left Ventricular Ejection Fraction (LVEF)-Trajectory
1.81; 1.33 0.024 sig
SECONDARY
Change From Baseline in Global Strain (HARP MRI)
-0.83; -0.12 0.328
SECONDARY
Change From Baseline in Global Strain (HARP MRI)-Trajectory
-0.49; -0.04 0.261
SECONDARY
Change From Baseline in Regional Strain (HARP MRI)
-1.20; 0.38 0.071
SECONDARY
Change From Baseline in Regional Strain (HARP MRI)-Trajectory
-0.58; 0.21 0.689
SECONDARY
Change From Baseline in Left Ventricular End Diastolic Volume Index (LVEDVI)
-2.30; -3.36 0.935
SECONDARY
Change From Baseline in Left Ventricular End Diastolic Volume Index (LVEDVI)-Trajectory
-0.94; -1.98 0.325
SECONDARY
Change From Baseline in Left Ventricular End Systolic Volume Index (LVESVI)
-3.62; -4.28 0.919
SECONDARY
Change From Baseline in Left Ventricular End Systolic Volume Index (LVESVI)-Trajectory
-2.05; -2.34 0.183
SECONDARY
Change From Baseline in Left Ventricular Sphericity Index
0.01; -0.07 0.124
SECONDARY
Change From Baseline in Left Ventricular Sphericity Index-Trajectory
0.005; -0.037
SECONDARY
Change From Baseline in Area of Injury
-1.06; -0.41 0.993
SECONDARY
Change From Baseline in Area of Injury-Trajectory
-0.56; -0.27 0.151
SECONDARY
Change From Baseline in Exercise Tolerance (Six Minute Walk Test)
34.96; -3.07 0.056
SECONDARY
Change From Baseline in Exercise Tolerance (Six Minute Walk Test)-Trajectory
9.81; -3.43 0.583
SECONDARY
Change From Baseline in Minnesota Living With Heart Failure Questionnaire Score
-25.45; -12.63 0.048 sig
SECONDARY
Change From Baseline in Minnesota Living With Heart Failure Questionnaire Score-Trajectory
-10.15; -6.05 0.0002 sig
SECONDARY
Change From Baseline in N-Terminal Pro-Brain Natriuretic Peptide (NT-proBNP)
-392.58; -76.76 0.199
SECONDARY
Change From Baseline in N-Terminal Pro-Brain Natriuretic Peptide (NT-proBNP)-Trajectory
-184.18; -58.58 0.229
SECONDARY
Cumulative Days Alive and Out of Hospital for Heart Failure
368; 363

Summary

The primary purpose of this study is to examine the safety and feasibility of delivering allogeneic human mesenchymal stem cells (allo-MSCs) by transendocardial injection to cancer survivors with left ventricular (LV) dysfunction secondary to anthracycline-induced cardiomyopathy (AIC). The secondary purpose of this study is to obtain preliminary evidence for therapeutic efficacy of allo-MSCs delivered by transendocardial injection to cancer survivors with LV dysfunction secondary to AIC.

Eligibility Criteria

Inclusion Criteria

To participate, a subject MUST:

  • Be ≥ 18 and 8.5%)
  • An underlying autoimmune disorder or current immunosuppressive therapy (e.g., chronic corticosteroid, rheumatologic or immune modulating therapy) or likelihood of use of immunosuppressive therapy during participation in the trial (medications will be considered on a case by case basis)
  • A baseline eGFR 1.5) not due to a reversible cause (e.g., warfarin and/or Factor Xa inhibitors) (see Section 6.4 re: injection procedure and anticoagulation therapy) Note: Subjects who cannot be withdrawn from anticoagulation will be excluded.
  • Presence of LV thrombus
  • Presence of a pacemaker and/or ICD generator with any of the following limitations/conditions:
  • manufactured before the year 2000
  • leads implanted < 6 weeks prior to consent
  • non-transvenous epicardial or abandoned leads
  • subcutaneous ICDs
  • leadless pacemakers
  • any other condition that, in the judgment of device-trained staff, would deem an MRI contraindicated
  • Pacemaker-dependence with an ICD (Note: pacemaker-dependent candidates without an ICD are not excluded)
  • A cardiac resynchronization therapy (CRT) device implanted < 3 months prior to consent
  • Other MRI contraindications (e.g. patient body habitus incompatible with MRI)
  • An appropriate ICD firing or anti-tachycardia pacing (ATP) for ventricular fibrillation or ventricular tachycardia within 30 days of consent
  • Ventricular tachycardia ≥ 20 consecutive beats without an ICD within 3 months of consent, or symptomatic Mobitz II or higher degree atrioventricular block without a functioning pacemaker within 3 months of consent
  • A history of drug abuse (use of illegal "street" drugs except marijuana, or prescription medications not being used appropriately for a pre-existing medical condition) or alcohol abuse (≥ 5 drinks/day for ˃ 3 months), or documented medical, occupational, or legal problems arising from the use of alcohol or drugs within the past 24 months
  • Cognitive or language barriers that prohibit obtaining informed consent or any study elements (interpreter permitted)
  • Participation (currently or within the previous 30 days) in a cardiac related investigational therapeutic (including stem cell based therapies) or device trial
  • Pregnancy, lactation, plans to become pregnant in the next 12 months, or is unwilling to use acceptable forms of birth control during study participation
  • Any other condition that, in the judgment of the Investigator or Sponsor, would be a contraindication to enrollment, study product administration, or follow-up
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT02509156). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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