Comparison · NCT01756833-d3a41f4d
Doxycycline vs Placebo: Number of Participants With Surgical Intervention
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. Doxycycline vs Placebo: Number of Participants With Surgical Intervention. Trial comparisons, record NCT01756833-d3a41f4d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT01756833-d3a41f4d
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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 | 0.101 | 0.0598 | 0.165 | wilson | |
| Risk in group 2 | 0.072 | 0.0383 | 0.131 | wilson | |
| Risk difference, group 1 minus group 2 | 0.0288 | -0.0432 | 0.101 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.4 | 0.62 | 3.16 | log | |
| Odds ratio, group 1 over group 2 | 1.44 | 0.594 | 3.51 | log | |
| Number needed to treat, for one more participant with the outcome on Doxycycline than on Placebo | 34.8 | 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 | Doxycycline | 100 mg capsules, twice a day, for a period of two years.~Doxycycline: 100 mg po bid | 13 | 129 | OG000 |
| Group 2 | Placebo | 100 mg capsules, twice a day, for a period of two years.~Placebo: capsule identical to the doxycycline capsule | 9 | 125 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- OTHER_PRE_SPECIFIED
- Title
- Number of Participants With Surgical Intervention
- Description
- Clinically reported aneurysm repair.
- Time frame
- Two years
- Population
- Full analysis population.
Source ClinicalTrials.gov
Trial
- Title
- Non-Invasive Treatment of Abdominal Aortic Aneurysm Clinical Trial
- NCT number
- NCT01756833
- Phases
- PHASE2
- Conditions
- Aneurysm
- Interventions
- Doxycycline, Placebo
- Lead sponsor
- University of Maryland, Baltimore
- Results first posted
- 2021-11-26
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT01756833?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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