Comparison · NCT03640312-1a0c4e1d
QUARTET LDQT vs Candesartan: Rate of Adverse Events of Special Interest
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. QUARTET LDQT vs Candesartan: Rate of Adverse Events of Special Interest. Trial comparisons, record NCT03640312-1a0c4e1d. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT03640312-1a0c4e1d
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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 | 0.5 | 0.336 | 0.664 | wilson | |
| Risk in group 2 | 0.333 | 0.192 | 0.512 | wilson | |
| Risk difference, group 1 minus group 2 | 0.167 | -0.0758 | 0.383 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1.5 | 0.812 | 2.77 | log | |
| Odds ratio, group 1 over group 2 | 2 | 0.716 | 5.59 | log | |
| Number needed to treat, for one more participant with the outcome on QUARTET LDQT than on Candesartan | 6 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Neither group, or both, names a comparator, so the groups keep ClinicalTrials.gov's order.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | QUARTET LDQT | Patients randomized to the intervention arm took a once daily ultra-low-dose quadruple combination therapy (QUARTET LDQT). The LDQT is an overencapsulated combination pill comprising four types of blood pressure lowering medications each at ¼ standard doses. QUARTET includes candesartan 2mg, amlodipine besylate 1.25mg, indapamide 0.625mg, and bisoprolol 2.5mg. The individual components are currently approved and marketed within the United States.~QUARTET LDQT: Ultra-low-dose combination therapy comprising four different blood pressure lowering drugs at 1/4 dosages. Taken once daily for 12 weeks. | 16 | 32 | OG000 |
| Group 2 | Candesartan | Patients randomized to the comparison arm took a once daily 8mg candesartan.~Candesartan: Standard monotherapy of 8mg candesartan. Taken once daily for 12 weeks. | 10 | 30 | OG001 |
Source ClinicalTrials.gov
Outcome
- Type
- OTHER_PRE_SPECIFIED
- Title
- Rate of Adverse Events of Special Interest
- Description
- Rate of pre-specified adverse events that are known side effects of active ingredients at the participant level.
- Time frame
- 12 weeks
- Population
Source ClinicalTrials.gov
Trial
- Title
- Efficacy and Safety of a Quadruple Ultra-low-dose Treatment for Hypertension
- NCT number
- NCT03640312
- Phases
- PHASE2
- Conditions
- Hypertension
- Interventions
- QUARTET LDQT, Candesartan
- Lead sponsor
- Washington University School of Medicine
- Results first posted
- 2023-09-22
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT03640312?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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