Clinicaltrials Get Study Results
clinicaltrials_get_study_resultsRead-onlyIdempotent
Retrieve detailed clinical trial results—outcome statistics, adverse events, participant flow, baseline data, and limitations—from ClinicalTrials.gov for completed studies with results.
Instructions
Fetch clinical trial results data from ClinicalTrials.gov for completed studies — outcome measures with statistics, adverse events, participant flow, baseline characteristics, and results metadata (limitations & caveats, certain-agreement disclosure restrictions, results point of contact). Only available for studies where hasResults is true. Use clinicaltrials_search_studies first to find studies with results.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| nctIds | Yes | One or more NCT IDs (max 20). E.g., "NCT12345678" or ["NCT12345678", "NCT87654321"]. Use summary=true for large batches to avoid large payloads. | |
| sections | No | Filter which sections to return. Values: outcomes, adverseEvents, participantFlow, baseline, moreInfo. Omit for all sections. | |
| summary | No | Return condensed summaries instead of full data. Reduces payload from ~200KB to ~5KB per study. Summaries include outcome titles, types, timeframes, group counts, and top-level stats — omitting individual measurements, analyses, and per-group data. |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| results | Yes | Results per study. | |
| studiesWithoutResults | No | NCT IDs that do not have results data. | |
| fetchErrors | No | Studies that could not be fetched. |