Exploratory Study on the Safety, Tolerability, and Pharmacodynamics of IMB-1018972 in Subjects With Angina Due to Obstructive Coronary Artery Disease (IMPROVE-Ischemia)

Sponsor
Imbria Pharmaceuticals, Inc. (Industry)
Overall Status
Recruiting
CT.gov ID
NCT04826172
Collaborator
(none)
60
3
2
10.3
20
2

Study Details

Study Description

Brief Summary

The purpose of this study is to assess the safety and tolerability of IMB-1018972 in subjects with obstructive CAD and inducible ischemia.

Condition or Disease Intervention/Treatment Phase
Phase 2

Study Design

Study Type:
Interventional
Anticipated Enrollment :
60 participants
Allocation:
Randomized
Intervention Model:
Parallel Assignment
Masking:
Double (Participant, Investigator)
Primary Purpose:
Treatment
Official Title:
A Randomized, Double-Blind, Placebo-Controlled, Exploratory Study on the Safety, Tolerability, and Pharmacodynamics of IMB-1018972 in Subjects With Angina Due to Obstructive Coronary Artery Disease
Actual Study Start Date :
Apr 23, 2021
Anticipated Primary Completion Date :
Mar 1, 2022
Anticipated Study Completion Date :
Mar 1, 2022

Arms and Interventions

Arm Intervention/Treatment
Experimental: IMB-1018972 200mg

Drug: IMB-1018972
Modified release (MR) oral tablet

Placebo Comparator: Placebo

Drug: Placebo
Matching oral tablet

Outcome Measures

Primary Outcome Measures

  1. Safety and tolerability of IMB-1018972 as measured by incidence and severity of treatment emergent AEs (including AEs leading to study drug discontinuation and AEs leading to death), as well as incidence of treatment emergent SAEs [Randomization through Week 10 Safety Follow-up]

Secondary Outcome Measures

  1. Change in number of ischemic segments during hyperemia (ischemia defined as absolute MBF ≤2.3 ml/kg/min) as measured by adenosine stress 15O-H2O PET [Baseline through Week 8]

    Ischemia score defined on the basis of absolute hyperemic MBF as: (1) MBF 2.0-2.3 ml/g/min; (2) 1.7- 2.0 ml/g/min; (3) MBF <1.7 ml/g/min

  2. Change in total ischemia burden measured as ischemia score summed across all segments as measured by adenosine stress 15O-H2O PET [Baseline through Week 8]

  3. Change in inducible perfusion defect expressed as % of myocardium as measured by adenosine stress 15O-H2O PET [Baseline through Week 8]

Eligibility Criteria

Criteria

Ages Eligible for Study:
35 Years to 75 Years
Sexes Eligible for Study:
All
Accepts Healthy Volunteers:
No
Inclusion Criteria:
  • Documented history of stable angina (CCS grading I-III) or anginal equivalent for ≥1 month prior to screening

  • Ability to safely abstain from beta blockers for 48 hours prior to echo examinations in the opinion of the Investigator

  • Preserved LV systolic function, defined as LVEF≥50% by any imaging modality

  • Obstructive CAD and recent evidence of stress-induced myocardial ischemia

Exclusion Criteria:
  • Women of childbearing potential or who are currently pregnant or breast-feeding

  • Clinically indicated for coronary revascularization (PCI/CABG) at time of screening or clinically significant LMS or proximal LAD stenosis likely to warrant revascularization during the study period in the opinion of the investigator.

  • Type 1 insulin dependent diabetes mellitus (IDDM)

  • Presence of pacemaker, cardiac resynchronization therapy and/or implantable cardioverter defibrillator

  • Severe or clinically significant valvular heart disease

  • Clinically significant concurrent condition which could prevent the patient from performing any of the protocol-specified assessments, represent a safety concern if the patient participates in the trial or could confound trial assessments of safety or tolerability

Contacts and Locations

Locations

Site City State Country Postal Code
1 Imbria Investigational Site Aarhus Denmark
2 Imbria Investigational Site Turku Finland
3 Imbria Investigational Site Uppsala Sweden

Sponsors and Collaborators

  • Imbria Pharmaceuticals, Inc.

Investigators

  • Study Director: Paul Chamberlin, MD, Imbria Pharmaceuticals, Inc.

Study Documents (Full-Text)

None provided.

More Information

Publications

None provided.
Responsible Party:
Imbria Pharmaceuticals, Inc.
ClinicalTrials.gov Identifier:
NCT04826172
Other Study ID Numbers:
  • IMB101-006
First Posted:
Apr 1, 2021
Last Update Posted:
Sep 27, 2021
Last Verified:
Sep 1, 2021
Individual Participant Data (IPD) Sharing Statement:
Undecided
Plan to Share IPD:
Undecided
Studies a U.S. FDA-regulated Drug Product:
Yes
Studies a U.S. FDA-regulated Device Product:
No
Product Manufactured in and Exported from the U.S.:
Yes
Additional relevant MeSH terms:

Study Results

No Results Posted as of Sep 27, 2021