I-34567: Colorectal cancer survival and treatment sequencing Provisioned
Dr. Priya Raman, GI Oncology. IRB protocol IRB-2026-0301, approved 2026-10-14 through 2027-10-13.
Approved scope
Cohort
Colorectal cancer (ICD-10 C18)
Variables
Demographics (birth year, sex, ZIP3), diagnoses, procedures, medications
Date range
2010-01-01 to 2025-12-31
Identifiers released
None (de-identified, date shifted)
Data use
Survival analysis, limited data set not required
Retention
24 months, then disposition
Honest broker
J. Whitcomb
Workspace
research-I34567 (export disabled, onward sharing blocked)
Approval trail
- Submitted by Dr. Priya Raman (Principal investigator)
2026-09-22 08:30
Request submitted with IRB protocol IRB-2026-0301. - Review started by J. Whitcomb (Honest broker)
2026-09-25 11:05
Variables reduced to birth year, sex and ZIP3; dates to be shifted. - IRB approved by IRB Office (IRB)
2026-10-14 16:20
Approved through 2027-10-13. Consent waiver on file. - Approved by Data Governance Council (Data owner)
2026-10-15 09:00
Data use agreement DUA-2026-118 signed; retention 24 months. - Provisioned by J. Whitcomb (Honest broker)
2026-11-02 23:39
Study workspace research-I34567 created with 260 study identifiers; crosswalk stored in the linkage service.
Audit trail for I-34567
| Time | Actor | Action | Detail |
|---|---|---|---|
| 2026-11-02 23:39 | J. Whitcomb | Provision | 260 study identifiers generated (HMAC-SHA256, per-study key) |