Comparison · NCT00252694-8b110f81
Candesartan vs Placebo: Number of Participants With a 3-step or Greater Increase in Early Treatment of Diabetic Retinopathy Study (EDTRS) Severity Scale
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. Candesartan vs Placebo: Number of Participants With a 3-step or Greater Increase in Early Treatment of Diabetic Retinopathy Study (EDTRS) Severity Scale. Trial comparisons, record NCT00252694-8b110f81. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT00252694-8b110f81
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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 | 0.169 | 0.147 | 0.194 | wilson | |
| Risk in group 2 | 0.191 | 0.167 | 0.217 | wilson | |
| Risk difference, group 1 minus group 2 | -0.0215 | -0.056 | 0.0131 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.887 | 0.732 | 1.08 | log | |
| Odds ratio, group 1 over group 2 | 0.864 | 0.684 | 1.09 | log | |
| Number needed to treat, for one fewer participant with the outcome on Candesartan than on Placebo | 46.6 | 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 | Candesartan | Candesartan cilexetil 32 mg once daily | 161 | 951 | OG000 |
| Group 2 | Placebo | Placebo Comparator | 182 | 954 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- PRIMARY
- Title
- Number of Participants With a 3-step or Greater Increase in Early Treatment of Diabetic Retinopathy Study (EDTRS) Severity Scale
- Description
3 steps were defined as either a 1-step change in one eye and a 2-step change in the other eye or as a 3-step change in one eye only. EDRTS is a scale with 11 steps (1-11). A generlized log-rank test was used to test difference between treatments.
- Time frame
- From baseline to end of study, i.e. 5 years, with visits after a half year, one year and thereafter one visit per year.
- Population
- The population was the Intention To Treat population which includes all randomized patients with any post-randomization data.
Source ClinicalTrials.gov
Trial
- Title
- DIabetic Retinopathy Candesartan Trials
- NCT number
- NCT00252694
- Phases
- PHASE3
- Conditions
- Type 2 Diabetes
- Interventions
- candesartan
- Lead sponsor
- AstraZeneca
- Results first posted
- 2014-06-06
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT00252694?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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