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University of Iowa clinical trial failures
Review 26 stopped clinical trials from University of Iowa, 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
- 14
- OTHER/UNKNOWN
- 11
- SAFETY
- 1
Notable sponsors
- University of Iowa
- 26
Related phases
- Phase II
- 10
- Phase I
- 9
- Phase IV
- 4
- Unknown
- 3
Crawlable stopped-trial records
Open ExploreShowing up to 26 representative records from this slice. Each link opens the trial detail page with source attribution and stop-reason context.
Phase I Rectal Neoplasms trial by University of Iowa. Stop reason: SAFETY.
Toxicity in phase 1
Phase II Obesity trial by University of Iowa. Stop reason: OPERATIONAL.
Lack of funding
Phase I Colorectal Cancer Metastatic trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
DSMC-directed closure
Phase IV Osteo Arthritis Knee trial by University of Iowa. Stop reason: OPERATIONAL.
Enrollment lower than anticipated; none of the subjects completing the study.
Phase II Sleep Disordered Breathing trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
PI moved to another institution
Phase IV Anxiety trial by University of Iowa. Stop reason: OPERATIONAL.
Funding ended
Phase IV SARS-CoV-2 Acute Respiratory Disease trial by University of Iowa. Stop reason: OPERATIONAL.
Wouldn't be able to get enough patients. Never started the study. Suspended the IRB form.
Phase II Chronic Kidney Diseases trial by University of Iowa. Stop reason: OPERATIONAL.
PI left the Institution
Phase I Acute Ischemic Stroke trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
PI has left the Institution
Phase IV Tooth Loss trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Decided not to proceed
Phase I Pancreatic Neoplasms trial by University of Iowa. Stop reason: OPERATIONAL.
Toxicities, lack of funding
Phase I Acute Myeloid Leukemia trial by University of Iowa. Stop reason: OPERATIONAL.
Slow accrual, PI left institution
Phase II Ovarian Cancer trial by University of Iowa. Stop reason: OPERATIONAL.
Slow accrual, PI left the institution
Phase II Pancreatic Cancer trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Inadequate number of eligible patients
Unknown Primary Headaches (Includes Migraines, Tension, Cluster Headaches) trial by University of Iowa. Stop reason: OPERATIONAL.
lack of enrollment/drug shortages
Phase II Uterine Cervical Neoplasms trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Study was closed and reopened as NCT01717391
Unknown Cardiovascular Disease trial by University of Iowa. Stop reason: OPERATIONAL.
Unable to recruit eligible subjects; no data analyzed
Phase II Carcinoma, Non-Small-Cell Lung trial by University of Iowa. Stop reason: OPERATIONAL.
Poor enrollment.
Phase I Metastatic Melanoma trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Change in the number of approved drugs for metastatic melanoma
Unknown Sedation trial by University of Iowa. Stop reason: OPERATIONAL.
lack of enrollment
Phase II Multiple Myeloma trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Met study stopping rules
Phase I Dense Deposit Disease trial by University of Iowa. Stop reason: OPERATIONAL.
no recruitment
Phase II Neuroblastoma trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
No patients were enrolled because the company that pledged the drug does not yet have it available.
Phase II Eosinophilic Esophagitis (EoE) trial by University of Iowa. Stop reason: OPERATIONAL.
Initial PI left, study not continued
Phase I Dense Deposit Disease trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
This study put on inactive status due to no identifiable subjects to enter the protocol.
Phase I Intracranial Neoplasms trial by University of Iowa. Stop reason: OTHER/UNKNOWN.
Pharmaceutical company no longer manufactures drug