Comparison · NCT00119106-b9251e1d
Tenofovir vs Placebo: Number of Participants Reporting Injecting and Sharing Needles
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
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ConductScience Library. Tenofovir vs Placebo: Number of Participants Reporting Injecting and Sharing Needles. Trial comparisons, record NCT00119106-b9251e1d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00119106-b9251e1d
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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 | 0.0482 | 0.0374 | 0.0618 | wilson | |
| Risk in group 2 | 0.0489 | 0.0381 | 0.0625 | wilson | |
| Risk difference, group 1 minus group 2 | -0.000709 | -0.0181 | 0.0167 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.986 | 0.692 | 1.4 | log | |
| Odds ratio, group 1 over group 2 | 0.985 | 0.679 | 1.43 | log | |
| Number needed to treat, for one fewer participant with the outcome on Tenofovir than on Placebo | 1,410 | 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 | Tenofovir | Tenofovir~Tenofovir | 58 | 1,204 | OG000 |
| Group 2 | Placebo | Placebo~Tenofovir | 59 | 1,207 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants Reporting Injecting and Sharing Needles
- Description
Number of Participants reporting injecting and sharing needles:~Assessed injecting and sharing at baseline and every 3 months during follow-up. We used GEE to determine if there was a significant decline in injecting and sharing.
- Time frame
- Participants were asked about injecting and needle sharing behaviors at enrollment and every 3 month visit, up to 6.9 years
- Population
Source ClinicalTrials.gov
Trial
- Title
- Bangkok Tenofovir Study, an HIV Pre-exposure Prophylaxis Trial, Bangkok, Thailand
- NCT number
- NCT00119106
- Phases
- PHASE2, PHASE3
- Conditions
- HIV Infections
- Interventions
- Tenofovir disoproxil, Placebo
- Lead sponsor
- Centers for Disease Control and Prevention
- Results first posted
- 2021-01-27
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00119106?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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