Comparison · NCT04152161-41bf6f8e
Bacille Calmette Guerin (BCG) Group vs Placebo Group: Number of Participants With Sustained QFT Conversion From a Negative to Positive Test Based on Positive QFT Test Results at 36-Months Follow-up or Discontinued Early
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
Cite this record
ConductScience Library. Bacille Calmette Guerin (BCG) Group vs Placebo Group: Number of Participants With Sustained QFT Conversion From a Negative to Positive Test Based on Positive QFT Test Results at 36-Months Follow-up or Discontinued Early. Trial comparisons, record NCT04152161-41bf6f8e. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT04152161-41bf6f8e
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.085 | 0.0682 | 0.105 | wilson | |
| Risk in group 2 | 0.086 | 0.0689 | 0.107 | wilson | |
| Risk difference, group 1 minus group 2 | -0.00102 | -0.0277 | 0.0255 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.988 | 0.725 | 1.35 | log | |
| Odds ratio, group 1 over group 2 | 0.987 | 0.704 | 1.38 | log | |
| Number needed to treat, for one fewer participant with the outcome on Bacille Calmette Guerin (BCG) Group than on Placebo Group | 977 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: placebo.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Bacille Calmette Guerin (BCG) Group | Participants were randomized to receive a single 0.1 mL volume of BCG vaccine SSI, administered intradermally in deltoid region of the upper arm. | 74 | 871 | OG000 |
| Group 2 | Placebo Group | Participants were randomized to receive a single 0.1 mL volume of normal saline, administered intradermally in deltoid region of the upper arm. | 73 | 849 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants With Sustained QFT Conversion From a Negative to Positive Test Based on Positive QFT Test Results at 36-Months Follow-up or Discontinued Early
- Description
Sustained conversion was defined as sustained QFT conversion from a negative to positive test, with initial conversion at any time after a first negative QFT result post randomization (Day 71 or subsequent visit if Day 71 result was not available), and remaining QFT positive at 3- and 6-months post-conversion.
- Time frame
- 36 Months Follow-up
- Population
- mITT Population
Source ClinicalTrials.gov
Trial
- Title
- Bacille Calmette Guerin (BCG) Revaccination of Healthy Adolescents for the Prevention of Mycobacterium Tuberculosis Sustained Infection
- NCT number
- NCT04152161
- Phases
- PHASE2
- Conditions
- Tuberculosis
- Interventions
- BCG vaccine SSI, Placebo
- Lead sponsor
- Gates Medical Research Institute
- Results first posted
- 2025-06-19
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT04152161?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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