deltatrials

University of Oklahoma Clinical Trials

Sponsors / University of Oklahoma

University of Oklahoma appears as lead sponsor on 236 trial records in ClinicalTrials.gov. The portfolio currently includes 35 recruiting studies, 11 active non-recruiting studies, and 138 completed studies. 29 trials in this portfolio were terminated or withdrawn before completion. The most common reasons cited for termination include slow or insufficient recruitment, investigator or site changes. Cumulative planned enrollment across all listed trials is 24,607 participants. These counts reflect the current state of the public ClinicalTrials.gov registry.

236
Total Trials
35
Recruiting
11
Other Active
138
Completed
29
Terminated / Withdrawn
24,607
Total Enrollment

Termination reasons: Other41% · Recruitment21% · PI/or_Site21% · Funding7% · Regulatory7% · Efficacy3%

Recent Terminations

  • NCT05396794 Stopped Apr 2025
    Bariatric Surgery Candidate
    "No Surgeon to perform the operations."
  • NCT04709861 Stopped Mar 2024
    Ankle Osteoarthritis
    "PI left the institution before enrollment was completed"
  • NCT05222321 Phase NA Stopped May 2022
    Attention Deficit Hyperactivity Disorder
    "Study closed by the IRB when PI did not submit for annual review."
  • NCT04902287 Phase NA Stopped Feb 2022
    Trauma, Sexual
    "Funding ending due to PI leaving position at the University of Oklahoma."
  • NCT04698369 Phase NA Stopped Dec 2021
    Stroke
    "The original PI left the institution and the remaining study team did not have the resources to continue. The data were not analyzed; there are no results to report."
  • NCT03945058 Phase NA Stopped Dec 2021
    Heart Failure With Reduced Ejection Fraction
    "Study was unable to meet target enrollment; no results generated."
  • NCT03943693 Phase PHASE4 Stopped May 2021
    Atrial Fibrillation
    "Poor enrollment"
  • NCT04341740 Phase NA Stopped Apr 2021
    Renal Cell Carcinoma
    "Study funding was withdrawn."
  • NCT03544892 Phase NA Stopped Jun 2019
    Diabetes Mellitus, Type 1
    "PI left the University; study will not continue."
  • NCT03293888 Stopped Sep 2018
    Glioblastoma
    "PI Relocation"

Active Trials (11 total)

Top Conditions

Atrial fibrillation (7) Healthy (6) Smoking cessation (6) Pain (4) Arrhythmia (3) Head and neck cancer (3) Health behavior (3) Hypothermia (3) Lung cancer (3) Anesthesia, general (2)

Top Locations

Oklahoma City, United States (200) Tulsa, United States (18) Norman, United States (9) Albuquerque, United States (2) Nashville, United States (2) Mumbai, India (1) Baltimore, United States (1) Columbus, United States (1) Hugo, United States (1) New Orleans, United States (1)