Tuberculosis Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
- You are between 18 and 65 years old
- You live in or near London or Oxford and can stay in the area for the whole study period
- You are willing to sign a consent form agreeing to take part
- You are happy for the research team to look at your NHS health records, medical history, blood test results, and X-rays
- You are able and willing to follow all the study requirements, in the opinion of the research team
For Groups A and B only:
- You have already been screened for TB through the NHS (including a blood test called an IGRA, and possibly a chest X-ray)
- You have had close contact with someone who has been confirmed as having infectious TB within the last 12 weeks
Who may not be able to join:
- You have taken part in another research study involving an experimental treatment in the last 30 days, or plan to during this trial
- You have a history of severe allergic reactions (anaphylaxis) or an allergy that could be made worse by the study procedures
- You have poorly controlled asthma or another breathing condition, an active cancer (other than certain minor skin or cervical conditions), a bleeding disorder, or issues with drug or alcohol use
- You have a significant condition affecting your immune system, such as an autoimmune disease or HIV
- You have previously been diagnosed with or treated for TB disease or latent (inactive) TB infection
- There is any current sign — from symptoms, scans, or blood tests — that you may have active TB disease right now
- You have previously received any experimental TB vaccine or an inhaled (aerosolised) BCG vaccine
- You have an abnormal result on a breathing test called spirometry (confirm with trial site)
- You are currently using steroid medication taken by mouth, inhaled, or injected into the body, or have used them for more than 14 days in the past 6 months (steroid creams or ointments are generally acceptable), or you are using other medicines that suppress the immune system
- You have taken antibiotics in the past 4 weeks
- You have received immunoglobulins or any blood products in the past 3 months
- You have received a live vaccine in the past 28 days
- You have received any other (non-live) vaccine in the past 14 days
- You are pregnant or planning to become pregnant during the study
- You have any other condition or health concern that the research team believes could put you at risk, affect your participation, or affect the study results
For Group C only:
- You have previously had close contact with a TB case, or have previously been contacted by TB services for contact tracing
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Helen McShane, PhD, University of Oxford
Phone: +44 (0)1865 611385
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
The immunological response after recent M.tb exposure measured as the differentials of innate immune cells in the blood and sputum.
Can't join this trial?
Data last synced from ClinicalTrials.gov: 27 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.