Stop-reason hub

OPERATIONAL clinical trial stops

Search 12,013 stopped clinical trials classified as operational, with source-linked records and failure-signal context.

This page groups real ClinicalTrials.gov-derived stopped trial records. The strongest added signal is the stop-reason classification: 0 of these records are likely biological failure signals, while the rest may reflect operational, strategic, regulatory, funding, enrollment, or unclear stop reasons.

Total stopped trials12,013
Likely biological signals0
Shown below100

Dominant stop reasons

OPERATIONAL
12,013

Notable sponsors

M.D. Anderson Cancer Center
200
National Cancer Institute (NCI)
173
Novartis Pharmaceuticals
168
Pfizer
146
Massachusetts General Hospital
116

Related phases

Phase II
4,427
Phase I
3,213
Phase IV
1,663
Phase III
1,468
Unknown
895

Crawlable stopped-trial records

Open Explore

Showing up to 100 representative records from this slice. Each link opens the trial detail page with source attribution and stop-reason context.

NCT02225600: The Effect of Oxytocin Administration on Interpersonal Cooperation in Borderline Personality Disorder Patients and Healthy Adults

Unknown Borderline Personality Disorder trial by Icahn School of Medicine at Mount Sinai. Stop reason: OPERATIONAL.

Study was halted during COVID pandemic. However, PI is currently reconnecting with a compounding pharmacy to re-establish supply of the oxytocin and updating cost estimates. We are hoping to resume the pilot work with oxytocin once it is clarified.

NCT03699202: Anti-RSV Study in Chinese Patients (ASCENT)

Phase II Respiratory Syncytial Virus Infections trial by Shanghai Ark Biopharmaceutical Co., Ltd.. Stop reason: OPERATIONAL.

The study was terminated early due to COVID-19-related enrollment disruptions, not as a result of any product safety concerns.

NCT05960617: Efficacy and Safety of Empagliflozin in GSD-Ib Patients

Phase II Glycogen Storage Disease Type IB trial by Xinhua Hospital, Shanghai Jiao Tong University School of Medicine. Stop reason: OPERATIONAL.

The study was not initiated because the planned prospective design was no longer feasible in routine clinical practice before participant enrollment.