NCT01444911 Terminated. Reason given: Slow accrual https://clinicaltrials.gov/show/NCT01444911
NCT02538471 Terminated. Reason given: The study was terminated due to lack of patient accrual. https://clinicaltrials.gov/show/NCT02538471
NCT00582816 Terminated. Reason given: toxicity https://clinicaltrials.gov/show/NCT00582816
NCT02532543 Terminated. Reason given: Difficulty in recruitment https://clinicaltrials.gov/show/NCT02532543
NCT00985946 Terminated. Reason given: Study did not meet statistical requirements to continue. https://clinicaltrials.gov/show/NCT00985946
NCT03008213 Terminated. Reason given: PI is leaving UCSD https://clinicaltrials.gov/show/NCT03008213
NCT02664363 Terminated. Reason given: Study funding ended https://clinicaltrials.gov/show/NCT02664363
NCT01978457 Suspended. Reason given: Not funded https://clinicaltrials.gov/show/NCT01978457
NCT02882711 Terminated. Reason given: Increasing off-label practice of IV ketamine administration for treatment-resistant depression. https://clinicaltrials.gov/show/NCT02882711
NCT02566889 Terminated. Reason given: Study was terminated due to the inability to enroll a sufficient number of the required subject population https://clinicaltrials.gov/show/NCT02566889
NCT03071744 Terminated. Reason given: PI is leaving UCSD https://clinicaltrials.gov/show/NCT03071744
NCT02888756 Terminated. Reason given: Interim analysis did not show sufficient immunogenicity of IMP compared to placebo https://clinicaltrials.gov/show/NCT02888756
NCT00582712 Terminated. Reason given: Budget/Funding https://clinicaltrials.gov/show/NCT00582712
NCT01128387 Terminated. Reason given: slow accrual https://clinicaltrials.gov/show/NCT01128387
NCT01816048 Terminated. Reason given: Study supporter (Takeda) ended study drug for prostate cancer; enrollment ended prematurely. https://clinicaltrials.gov/show/NCT01816048
NCT02144155 Terminated. Reason given: Break in funding https://clinicaltrials.gov/show/NCT02144155
NCT03114020 Terminated. Reason given: Enrollment stopped as of Nov 18, 2019 due to slow enrollment. https://clinicaltrials.gov/show/NCT03114020
NCT01083641 Terminated. Reason given: did not meet efficacy goals after interim analysis https://clinicaltrials.gov/show/NCT01083641
NCT02434146 Terminated. Reason given: A company in China has decided to license the product https://clinicaltrials.gov/show/NCT02434146
NCT03601507 Suspended. Reason given: IRB has put a temporary hold on this trial until the consent form is corrected and submitted for IRB approval. https://clinicaltrials.gov/show/NCT03601507
I post the reason when a clinical trial is suspended, terminated or withdrawn
by @bgcarlisle