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Clinical Trial Inquiries and CSR Summary Requests

The YODA Project and Data Partners review and respond to inquiries about trials and summary-level Clinical Study Reports (CSR) that are not currently listed on the site. If a trial or CSR summary is determined to be available, it is added to the site and the requesting researchers are notified. The metrics below summarize these trial inquiries and CSR-summary requests.

Metrics last updated May 1, 2023.

427 Inquiries Received for Trials Not Listed on the Site
469 Unique Trials Requested in Answered Inquiries
16 Median Number of Days for Response to Inquiry [IQR, 7.0-37]
99.5% Inquiries Answered to Date
49.5% Inquiries (where trial(s) made available) which Led to Full Data Request
Total Unique Trials Requested Across All Answered Inquiries
52.9%Trials Made Available47.1%Trials Cannot Be Made Available
Why Trials Are Unavailable
Trial completed < 18 mo. ago or ongoing (43.9%)
Regulatory approval not yet received (18.1%)
Phase 1; investigator invited to submit proposal (17.6%)
Data Partner alliance member has not agreed to share (9.0%)
Data cannot be converted to electronic format (4.5%)
Materials are not available in English (4.1%)
Trial is out of scope (i.e., observational, etc.) (2.3%)
Data subject to partner agreement; researcher advised to contact partner (2.3%)
Response to Trial Inquiries
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Trials Made Available in Response to Inquiry
CSR Summaries Requested and Provided
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CSR Summaries Provided
CSR Summaries Not Available