Transsphenoidal Extent of Resection Study (TRANSSPHER)
Prospective Multicenter Cohort Study Comparing Extent of Tumor Resection Between Microscopic Transsphenoidal Surgery and Fully Endoscopic Transsphenoidal Surgery for Nonfunctioning Pituitary Adenomas
Sponsor: Northwestern University
Listed as NCT02357498, this NA trial focuses on Pituitary Adenoma and remains completed. Sponsored by Northwestern University, it has been updated 9 times since 2015, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.
Status Flow
Change History
9 versions recorded-
Sep 2025 — Present [monthly]
Completed NA
-
Sep 2024 — Sep 2025 [monthly]
Completed NA
-
Jul 2024 — Sep 2024 [monthly]
Completed NA
-
Apr 2022 — Jul 2024 [monthly]
Completed NA
-
Jan 2021 — Apr 2022 [monthly]
Completed NA
▶ Show 4 earlier versions
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Dec 2019 — Jan 2021 [monthly]
Completed NA
Status: Active Not Recruiting → Completed
-
Sep 2018 — Dec 2019 [monthly]
Active Not Recruiting NA
Status: Recruiting → Active Not Recruiting
-
Jun 2018 — Sep 2018 [monthly]
Recruiting NA
-
Jan 2017 — Jun 2018 [monthly]
Recruiting NA
First recorded
Feb 2015
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Northwestern University
- Ohio State University
- Saint John's Cancer Institute
- St. Joseph's Hospital and Medical Center, Phoenix
- Swedish Medical Center
- University of Pittsburgh Medical Center
- Washington University School of Medicine
For direct contact, visit the study record on ClinicalTrials.gov .