Metformin IN Asthma for Overweight and Obese Individuals (MINA)

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18+
SponsorJohns Hopkins University

About this trial

This is a randomized clinical trial of metformin among overweight or obese adults with not well-controlled asthma despite maintenance inhaler therapy.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Physician-diagnosed asthma on maintenance therapy

Not well-controlled asthma (ACT score <20, or at least one asthma exacerbation requiring corticosteroids in the prior 12 months)

Overweight or obesity: Body mass index ≥25kg/m2

Adult: Age ≥18

Disqualifiers

Currently pregnant, expect to become pregnant in the next 6 months or are currently breastfeeding

Major cardiovascular disease: heart failure, heart attack or stroke within the last 6 months

Other chronic lung disease, inclusive of chronic obstructive pulmonary disease, bronchiectasis, interstitial lung disease, pulmonary fibrosis

Active smoking or former smoker with ≥20 pack-year smoking history

Trial design

Design model

Parallel

Treatments tested in this trial

  • Metformin hydrochloride extended-release tablets

    Drug

    titrated to 2000 mg once daily

  • Visually identical placebo Metformin hydrochloride extended-release tablets

    Drug

    placebo

Treatment groups

100 Participants
are divided into 2 treatment groups
Group A: Metformin hydrochloride extended-release tabletsActive comparator 1 intervention
Group B: Visually identical placebo tabletsPlacebo comparator 1 intervention

Trial outcomes

Primary outcomes

1

Number of completed telemedicine visits

Number of participants completing at least 3 out of the 4 monitoring telemedicine visits

Time frame
Baseline to week 24
2

Adherence to study drug

Adherence will be measured by pill count

Time frame
Baseline to week 24
3

Retention rate

Investigators will collect data on the number of subjects screened, randomized, and complete the final in-person visit

Time frame
Baseline to week 24

Secondary outcomes

1

Asthma control as assessed by the Asthma Control Test (ACT) score

Difference in Asthma Control Test (ACT) score at week 24; range is from 5-25 with higher being better asthma control

Time frame
Baseline to week 24
2

Change in Asthma exacerbations rate

Change in (annualized) asthma exacerbations rate at week 24

Time frame
Baseline to week 24
3

Pre-bronchodilator lung function

Difference in volume of air exhaled in the first second during spirometry (FEV1) at week 24

Time frame
Baseline to week 24
4

Fractional exhaled nitric oxide (FeNO)

Difference in FeNO between baseline and week 24

Time frame
Baseline to week 24

Other outcomes

Sponsors and contacts

Click on the lead sponsor to view all of their trials.

Johns Hopkins University

Lead sponsor

Baylor College of Medicine

Collaborator

National Heart, Lung, and Blood Institute (NHLBI)

Collaborator

Temple University

Collaborator