NCT02383563

Brief Summary

This proposal seeks to assess the impact of 24 weeks of metformin on non-calcified plaques and calcified plaques assessed by coronary CT angiography, and on whether these changes can be explained by metformin-induced phenotypic and secretory changes of monocytes.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
12

participants targeted

Target at below P25 for phase_2 hiv

Timeline
Completed

Started Feb 2015

Shorter than P25 for phase_2 hiv

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

February 1, 2015

Completed
8 days until next milestone

First Submitted

Initial submission to the registry

February 9, 2015

Completed
28 days until next milestone

First Posted

Study publicly available on registry

March 9, 2015

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2016

Completed
Last Updated

March 9, 2015

Status Verified

March 1, 2015

Enrollment Period

1 year

First QC Date

February 9, 2015

Last Update Submit

March 3, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • Coronary plaques by CT angiography

    change in total numbers of atherosclerotic plaques detected in the coronary arteries

    24 weeks

Secondary Outcomes (3)

  • Monocyte subsets by multiparametric flow cytometry

    24 weeks

  • Monocyte secretory function by intracellular cytokine staining release assay

    24 weeks

  • Sub-types of coronary plaques by CT angiography

    24 weeks

Study Arms (2)

Metformin Treatment Arm

ACTIVE COMPARATOR

500 mg metformin Extended Release tablets - one tablet daily increased at 4 weeks to 2 tablets (1000 mg) daily.

Drug: metformin extended release

Observational Arm

NO INTERVENTION

Observation only

Interventions

Metformin Treatment Arm

Eligibility Criteria

Age45 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • HIV+
  • on suppressive ART stable for \> 1 year
  • Age \> 45 years
  • Ability and willingness to provide written informed consent

You may not qualify if:

  • Uncontrolled chronic medical condition or cancer
  • Acute illness within 2 weeks of entry
  • Diagnosis of diabetes or impaired fasting glucose
  • Chronic diarrhea
  • Known hypersensitivity or contraindication to metformin use
  • Hepatitis C co-infection
  • Serum B12 level below the reference normal range as listed by the commercial laboratory (Diagnostic Laboratory Services)
  • Pregnancy, or intent to become pregnant
  • Any immunomodulator, HIV vaccine, any other vaccine, or investigational therapy within 30 days of study entry.
  • Current or past history of coronary artery disease or congestive heart failure
  • Resting heart rate \> 100 beats/min
  • Presence of conduction abnormalities or pathologic arrhythmia on EKG
  • The following lab values: Hemoglobin \< 9.0 g/dL; Absolute neutrophil count \< 1000/μL; Platelet count \< 50,000/μL; and AST (SGOT) and ALT (SGPT) \> 5x ULN
  • Calculated creatinine clearance (Cockcroft and Gault) \< 60 ml/min
  • Patients over 450 lbs
  • +5 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hawaii Center for AIDS

Honolulu, Hawaii, 96813, United States

RECRUITING

MeSH Terms

Conditions

Coronary Artery Disease

Condition Hierarchy (Ancestors)

Coronary DiseaseMyocardial IschemiaHeart DiseasesCardiovascular DiseasesArteriosclerosisArterial Occlusive DiseasesVascular Diseases

Study Officials

  • Cecilia M Shikuma, MD

    University of Hawaii

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Nancy Hanks, RN

CONTACT

Debra Ogata-Arakaki, RN

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 9, 2015

First Posted

March 9, 2015

Study Start

February 1, 2015

Primary Completion

February 1, 2016

Study Completion

February 1, 2016

Last Updated

March 9, 2015

Record last verified: 2015-03

Locations