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University of California, San Diego clinical trial failures
Review 52 stopped clinical trials from University of California, San Diego, 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: 1 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
- 26
- OTHER/UNKNOWN
- 25
- SAFETY
- 1
Notable sponsors
- University of California, San Diego
- 52
Related phases
- Phase II
- 20
- Phase I
- 9
- Phase IV
- 9
- Unknown
- 9
- Early Phase I
- 3
Crawlable stopped-trial records
Open ExploreShowing up to 52 representative records from this slice. Each link opens the trial detail page with source attribution and stop-reason context.
Phase II Head and Neck Cancer trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Lack of scientific process of cancer-related clinical intervention
Phase II Migraine trial by University of California, San Diego. Stop reason: OPERATIONAL.
Inadequate funding
Phase II Alexithymia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Original funding period ended and a no-cost extension was not granted. Without funding to continue, the study was stopped.
Phase II Hematologic Malignancies trial by University of California, San Diego. Stop reason: SAFETY.
Toxicity
Phase II Relapsed/Refractory Multiple Myeloma trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
The trial met its primary endpoint.
Phase IV Transgenderism trial by University of California, San Diego. Stop reason: OPERATIONAL.
The study sponsor terminated the grant funding.
Phase IV Transgender trial by University of California, San Diego. Stop reason: OPERATIONAL.
study not funded in previous iteration. new clinicaltrials.gov protocol submitted for funded version of study
Phase I Metastatic Castration-resistant Prostate Cancer trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Oncternal closing clinical trial operations.
Phase I Colorectal Cancer trial by University of California, San Diego. Stop reason: OPERATIONAL.
closed early due to low (0) accrual
Phase I Cancer of Gastrointestinal Tract trial by University of California, San Diego. Stop reason: OPERATIONAL.
funding
Early Phase I Bipolar Disorder trial by University of California, San Diego. Stop reason: OPERATIONAL.
Budgetary limitations prevented us from completing our planned sample size.
Phase IV Knee Osteoarthritis trial by University of California, San Diego. Stop reason: OPERATIONAL.
staffing
Phase I Driving Impaired trial by University of California, San Diego. Stop reason: OPERATIONAL.
Termination of funding
Phase IV Rib Fractures trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Could only enroll 4 subjects in nearly 2 years
Phase II Breast Cancer trial by University of California, San Diego. Stop reason: OPERATIONAL.
Terminated early due to poor enrollment
Phase II Acute Myeloid Leukemia, Adult trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Original investigator for the trial has left
Phase IV Hip Arthropathy trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Lack of staff to enroll
Phase IV Surgical Incision trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
surgeons stopped doing procedures
Phase II Acute Lymphocytic Leukemia trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Original investigator for the trial has left
Phase II Cyanotic Congenital Heart Disease trial by University of California, San Diego. Stop reason: OPERATIONAL.
COVID
Phase II Ileus trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
stopped by sponsor
Phase II Obesity trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
This study was terminated due to expired drug with possibility of re-starting in the future.
Phase II Atopic Dermatitis trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
This sub-study was not done because main study results reached significance.
Phase I Atopic Dermatitis trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
This sub-study was not done because main study results reached significance.
Phase I Acute Lymphoblastic Leukemia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Support withdrawn due to slow accrual
Unknown Diabetes Mellitus trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Could not perform accurate measures due to equipment and sensor issues.
Unknown Schizophrenia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Break in funding
Phase II Hepatitis C trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Study was completed in another site
Unknown Schizophrenia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Break in funding
Unknown HIV trial by University of California, San Diego. Stop reason: OPERATIONAL.
Did not meet enrollment goals
Unknown Anxiety Disorders trial by University of California, San Diego. Stop reason: OPERATIONAL.
Break in funding
Phase III Infection trial by University of California, San Diego. Stop reason: OPERATIONAL.
The study was stopped due to poor enrollment.
Phase II Age-Related Macular Degeneration trial by University of California, San Diego. Stop reason: OPERATIONAL.
Per study sponsor decision.
Phase III High Cholesterol trial by University of California, San Diego. Stop reason: OPERATIONAL.
The study was terminated due to inability to recruit subjects. A total of 2/100 anticipated were radomized.
Phase I Chronic Lymphocytic Leukemia trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Three subjects were enrolled and all three subjects withdrew.
Unknown Amputation trial by University of California, San Diego. Stop reason: OPERATIONAL.
No longer enrolling patients, not enough enrollment
Phase IV Fibromyalgia trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Sponsor related
Unknown Ranolazine trial by University of California, San Diego. Stop reason: OPERATIONAL.
no funding
Phase I Transient Ischemic Attack trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase II Gastric Cancer trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase II Behavioral Manifestations of Lesch-Nyhan Disease trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Contractual issues
Unknown Post-operative Healing Following Blepharoplasty and Ptosis Repair trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
no participant enrolled
Early Phase I Sleep Apnea, Obstructive trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
Research fellow left institution
Early Phase I Invasive Breast Cancer trial by University of California, San Diego. Stop reason: OPERATIONAL.
Inadequate subject accrual
Unknown Abortion Late trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase I Endometrial Cancer trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
No stop-reason text available in the compact dataset.
Phase II Chronic Lymphocytic Leukemia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Study Not Activated Due to Contract Issues
Phase II Chronic Lymphocytic Leukemia (CLL) trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
withdrawn
Phase II Stroke, Acute trial by University of California, San Diego. Stop reason: OTHER/UNKNOWN.
The ICTuS 2 portion of the trial has been halted and data will be analyzed.
Phase IV Primary Insomnia trial by University of California, San Diego. Stop reason: OPERATIONAL.
Funding terminated by sponsor, insufficient data collection
Phase II Hemodialysis Catheter-related Bacteremia trial by University of California, San Diego. Stop reason: OPERATIONAL.
no enrollment
Phase IV Post-traumatic Stress Disorder trial by University of California, San Diego. Stop reason: OPERATIONAL.
Unable to recruit eligible subjects for the trial.