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University of Southern California clinical trial failures
Review 56 stopped clinical trials from University of Southern California, including disease areas, phases, and classified stop reasons.
This page groups real ClinicalTrials.gov-derived stopped trial records. The strongest added signal is the stop-reason classification: 3 of these records are likely biological failure signals, while the rest may reflect operational, strategic, regulatory, funding, enrollment, or unclear stop reasons.
Dominant stop reasons
- OPERATIONAL
- 37
- OTHER/UNKNOWN
- 16
- EFFICACY/FUTILITY
- 2
- SAFETY
- 1
Notable sponsors
- University of Southern California
- 56
Related phases
- Phase II
- 20
- Phase I
- 16
- Unknown
- 10
- Phase IV
- 8
- Phase III
- 2
Crawlable stopped-trial records
Open ExploreShowing up to 56 representative records from this slice. Each link opens the trial detail page with source attribution and stop-reason context.
Phase II Mucinous Adenocarcinoma of the Rectum trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient Accrual
Phase II Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome trial by University of Southern California. Stop reason: OPERATIONAL.
Lack of funding
Phase II Prostate Cancer trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Sponsor stopped study early.
Unknown Rotator Cuff Tear trial by University of Southern California. Stop reason: OPERATIONAL.
Recruitment difficulties
Phase IV Delirium trial by University of Southern California. Stop reason: OPERATIONAL.
PI left institution. Study never started.
Phase I Locally Advanced Malignant Solid Neoplasm trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Study drug no longer available
Phase IV Kidney Transplantation trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Research contract expired
Unknown Gingival Recession trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
The PI has left the organization
Phase II Recurrent Bladder Cancer trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Trial not progressing toward scientific goals
Phase I Head and Neck Squamous Cell Carcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Slow accrual
Phase II Cervical Squamous Cell Carcinoma In Situ trial by University of Southern California. Stop reason: EFFICACY/FUTILITY.
Lack of efficacy
Phase II Smoking trial by University of Southern California. Stop reason: OPERATIONAL.
Study completed early due to COVID-19 pandemic regulations.
Phase IV Obesity trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Sponsor decided to withdraw from study.
Phase II HER2-positive Breast Cancer trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient accrual
Phase I Prostate Neoplasm trial by University of Southern California. Stop reason: OPERATIONAL.
Slow accrual
Phase II Smoking Cessation trial by University of Southern California. Stop reason: OPERATIONAL.
Due to the COVID-19 pandemic, it was difficult to recruit eligible participants.
Phase I Recurrent Bladder Carcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Budget issues
Phase I Unspecified Adult Solid Tumor, Protocol Specific trial by University of Southern California. Stop reason: OPERATIONAL.
Lack of funding
Phase II Symptomatic COVID-19 Infection Laboratory-Confirmed trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
PI decided not to pursue study
Phase I Acute Myeloid Leukemia Arising From Previous Myelodysplastic Syndrome trial by University of Southern California. Stop reason: OPERATIONAL.
Study drug supply issue
Phase I Infiltrating Bladder Urothelial Carcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient accrual
Phase II Symptomatic COVID-19 Infection Laboratory-Confirmed trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
The study was terminated after the release of results of ACTT-2 (NCT04401579).
Phase IV Constipation trial by University of Southern California. Stop reason: OPERATIONAL.
Difficulty in recruiting participants
Phase I Colorectal Adenocarcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
No funding
Phase I Arthroplasty, Replacement, Hip trial by University of Southern California. Stop reason: OPERATIONAL.
No participants enrolled in the trial
Phase III Colorectal Adenocarcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient Accrual
Phase I Cutaneous Melanoma trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient accrual
Phase I Locally Advanced Unresectable Gastric Adenocarcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
PI left
Phase II Immunosenescence trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
USC has an ICOI because the university owns the patent of the interventional dietary supplement.
Phase IV Fusion of Spine, Lumbar Region trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Could not get an approval from Department Reviewer for the study continuation.
Phase IV Contraception trial by University of Southern California. Stop reason: OPERATIONAL.
Difficulty recruiting
Unknown Hepatocellular Carcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Accrual issue
Phase IV Pain, Postoperative trial by University of Southern California. Stop reason: OPERATIONAL.
The surgeon changed pain control protocol for all patients. Continued enrollment impossible under approved protocol.
Phase III Bladder Carcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
No funding
Phase I Breast Cancer trial by University of Southern California. Stop reason: OPERATIONAL.
Slow accrual
Phase II Adult Acute Myeloid Leukemia in Remission trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
PI decided not to pursue study
Phase IV Overactive Bladder trial by University of Southern California. Stop reason: OPERATIONAL.
Due to lack of funding and necessary personnel we determined that the study could not be done.
Unknown Low Back Pain trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase I Adult Acute Megakaryoblastic Leukemia (M7) trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient Accrual
Unknown Pancreatitis, Chronic trial by University of Southern California. Stop reason: OPERATIONAL.
Low enrollment
Phase II Stage I Multiple Myeloma trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient Accrual
Phase I Breast Cancer trial by University of Southern California. Stop reason: EFFICACY/FUTILITY.
Lack of Efficacy
Phase II Adenocarcinoma of the Prostate trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Not progressing toward scientific goals
Phase I Acute Stroke trial by University of Southern California. Stop reason: OPERATIONAL.
No safety issues. Low enrollment secondary to negative stroke studies 2013
Phase II Venous Thromboembolism trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Tinzaparin will no longer be available in the United States
Phase II Breast Cancer trial by University of Southern California. Stop reason: OPERATIONAL.
Sponsor withdrew due to funding issues
Phase II Colorectal Adenocarcinoma trial by University of Southern California. Stop reason: OPERATIONAL.
Study drug supply issues
Unknown GERD trial by University of Southern California. Stop reason: OPERATIONAL.
Study never started.
Unknown Malignant Neoplasm trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase II Hepatitis C Infection trial by University of Southern California. Stop reason: OTHER/UNKNOWN.
Approval of several new agents for the treatment of HCV infection would mitigate the future need for interferon HCV treatment
Unknown Non-alcoholic Fatty Liver Disease (NAFLD) trial by University of Southern California. Stop reason: OPERATIONAL.
No patients enrolled
Unknown Malignant Digestive System Neoplasm trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient accrual
Unknown Adult Anaplastic (Malignant) Meningioma trial by University of Southern California. Stop reason: OPERATIONAL.
Insufficient Accrual
Phase II Acute Promyelocytic Leukemia trial by University of Southern California. Stop reason: OPERATIONAL.
sponsor withdrew support
Phase I Recurrent Colon Cancer trial by University of Southern California. Stop reason: SAFETY.
Adverse Events
Phase II Mucinous Adenocarcinoma of the Colon trial by University of Southern California. Stop reason: OPERATIONAL.
Lack of funding