Live Vaccines and Innate Immune Training in COPD. (COPD-LIVE)

March 17, 2026 updated by: Josefin Eklöf

Using Live Vaccines to Induce Beneficial Innate Immune Training and Reduce Systemic Inflammation in COPD Patients.

A randomized, single-blinded clinical pilot study to assess whether vaccination with live attenuated vaccines can induce trained immunity and cause beneficial changes in patients with COPD.

Study Overview

Detailed Description

Single-blinded 1:1:1 block randomized controlled trial (with varying block sizes of 3-6), stratified by sex. A total of 60 participants will be recruited and randomly assigned with 20 in each treatment arm. Separated by three months, the participants will receive two doses of one of the following three treatments:

  1. MMR vaccine (M-M-R VaxPro)
  2. BCG vaccine (Danish strain 1331)
  3. Saline (placebo)

Study Type

Interventional

Enrollment (Actual)

60

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Copenhagen
      • Hellerup, Copenhagen, Denmark, 2900
        • Department of Internal Medicine, Section of Respiratory Medicine

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Specialist verified and spirometry-confirmed COPD
  • Age > 40 years.
  • Negative HIV-test.
  • Able to give informed consent.

Exclusion Criteria:

  • Acute febrile illness.
  • Known allergy to BCG or MMR vaccines or serious adverse effects at previous vaccination.
  • Allergy to MMR vaccine components, neomycin, or egg proteins.
  • Known prior, active, or latent infection with mycobacterium tuberculosis.
  • Pregnancy or breastfeeding.
  • Vaccination with a live vaccine within the last 4 weeks.
  • Being severely immunocompromised (HIV-1 infection, organ- or bone marrow transplantation, chemotherapy, primary immune defect, anti-cytokine therapy, immunosuppressant treatment).
  • Oral or intravenous corticosteroid at dose of ≥10 mg/day with duration over 3 months.
  • Active solid or non-solid malignancy or lymphoma, excluding basal cell carcinoma within 2 years.
  • Treatment with immunoglobulins within the last 3 months or expected treatment with immunoglobulins for the duration of the trial.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Single Group Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: BCG vaccine
Intradermal BCG vaccine (0.1 ml) + subcutaneous saline at inclusion and after 3 months.
Intradermal BCG vaccine (0.1 ml) + subcutaneous saline at inclusion and after 3 months.
Active Comparator: MMR vaccine
Subcutaneous MMR vaccine (0.5ml) + intradermal saline at inclusion and after 3 months.
Subcutaneous MMR vaccine (0.5ml) + intradermal saline at inclusion and after 3 months.
Placebo Comparator: Placebo
Subcutaneous saline + intradermal saline at inclusion and after 3 months.
Subcutaneous saline + intradermal saline at inclusion and after 3 months.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Innate immune training.
Time Frame: From inclusion to 4 months post-inclusion.
Innate immune training, detected as fold-changes in cytokine production capacity of innate immune cells for cytokines such as IL-1β, IL-6, IL-10, TNF-α and IFN-γ, following pro-inflammatory stimulation from inclusion to 4 months post-inclusion.
From inclusion to 4 months post-inclusion.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Jens-Ulrik Stæhr S Jensen, MD,Phd, Herlev Gentofte Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 28, 2024

Primary Completion (Actual)

August 25, 2025

Study Completion (Actual)

August 25, 2025

Study Registration Dates

First Submitted

February 6, 2024

First Submitted That Met QC Criteria

February 6, 2024

First Posted (Actual)

February 13, 2024

Study Record Updates

Last Update Posted (Actual)

March 19, 2026

Last Update Submitted That Met QC Criteria

March 17, 2026

Last Verified

March 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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