EHR Embedded Comparative Effectiveness Studies--CPS (EHR-CPS)
Randomize Everyone: Creating Valid Instrumental Variables for Learning Health Care Systems
Sponsor: Dartmouth-Hitchcock Medical Center
Listed as NCT04520009, this NA trial focuses on Disk Herniated Lumbar and remains completed. Sponsored by Dartmouth-Hitchcock Medical Center, it has been updated 7 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
7 versions recorded-
Sep 2024 — Present [monthly]
Completed NA
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Jul 2024 — Sep 2024 [monthly]
Completed NA
-
Apr 2024 — Jul 2024 [monthly]
Completed NA
Phase: None → NA
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Dec 2021 — Apr 2024 [monthly]
Completed
Status: Active Not Recruiting → Completed
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Oct 2021 — Dec 2021 [monthly]
Active Not Recruiting
▶ Show 2 earlier versions
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Jan 2021 — Oct 2021 [monthly]
Active Not Recruiting
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Sep 2020 — Jan 2021 [monthly]
Active Not Recruiting
First recorded
Eligibility Summary
No eligibility information available.
Contact Information
- Dartmouth-Hitchcock Medical Center
- Patient-Centered Outcomes Research Institute
- Trustees of Dartmouth College
For direct contact, visit the study record on ClinicalTrials.gov .