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THYB-04

A phase II, randomized, observer-blinded, single centre trial evaluating the immunogenicity and safety of 2 doses of an adjuvated TB subunit vaccine (Ag85B-ESAT-6 + IC31®) using 2 different vaccination schedules in healthy adolescents

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
PACTR
Registry ID
PACTR201403000646306
Enrollment
240
Registered
2013-09-13
Start date
2012-08-27
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Tuberculosis

Interventions

vaccine
vaccine + placebo

Sponsors

Statens Serum Institut
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male or female 2. Healthy based on medical examination/history at the inclusion 3. Age 12-18 years (inclusive) 4. Signed informed consent 5. Signed informed assent 6. Prepared to grant authorized persons access to the medical records 7. If of childbearing potential, she must have abstained from sex or used adequate contraceptive precautions for 30 days prior to vaccination, have a negative pregnancy test and must agree to continue such precautions for the duration of the trial. 8. The volunteer is likely to comply with instructions

Exclusion criteria

Exclusion criteria: 1. Confirmed current or prior active TB disease based on clinical evaluation (history, physical findings and investigations) 2. Vaccinated with any vaccine 3 months before first vaccination 3. Administration of immune modulating drugs (oral steroids, immunosuppressive drugs or immunoglobulins) (inhaled and topical steroids excluded) 4. HIV sero-positive or unwilling to be tested for HIV 5. Participation in other clinical trials involving an experimental investigational product. 6. Known hypersensitivity to any of the vaccine components 7. Laboratory parameters outside of normal range considered clinically relevant in the opinion of the investigator. 8. Female participants who will most likely fail to abstain or to use adequate contraceptive precautions for 30 days prior to vaccination, and those who will most likely fail to agree to continue adequate contraceptive precautions for the duration of the trial 9. Positive pregnancy test 10. Breast feeding females

Design outcomes

Primary

MeasureTime frame
Safety and IFN

Secondary

MeasureTime frame
Secondary/exploratory immunology

Countries

South Africa

Contacts

Public ContactSoren Hoff

Statens Erum Instiut

sho@ssi.dk32683496

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026