Suspended trials in the United States: Trial Insights

Filters: Status: Suspended Country / region: United States Clear all

809 trials match Source: ClinicalTrials.gov registrations

Trials started per year
Category	Trials
2001	1
2002	1
2003	5
2004	2
2005	7
2006	14
2007	12
2008	12
2009	13
2010	11
2011	10
2012	22
2013	12
2014	14
2015	13
2016	20
2017	34
2018	39
2019	49
2020	56
2021	78
2022	60
2023	70
2024	79
2025	70
2026	68

Trials by status
Category	Trials
Suspended	809

Top lead sponsors
Category	Trials
National Cancer Institute (NCI)	28
City of Hope Medical Center	22
M.D. Anderson Cancer Center	22
New York State Psychiatric Institute	18
Mayo Clinic	17
NYU Langone Health	11
Stanford University	10
Weill Medical College of Cornell University	10
Life University	9
Massachusetts General Hospital	8

Top conditions
Category	Trials
Neoplasms	32
Breast Neoplasms	28
Prostatic Neoplasms	24
Colorectal Neoplasms	17
Leukemia, Myeloid, Acute	16
Melanoma	15
Pain	15
Pancreatic Neoplasms	15
Anxiety Disorders	14
Carcinoma, Non-Small-Cell Lung	14

Trials

Showing 1 to 25 of 809. Each trial links to its page on Pharma Observatory.

Observational Study to Assess Migraine Prediction Tool NCT05523310ObservationalSuspendedTheranicaStarted 2030
Safety Profile of Psilocybin for Cocaine Use Disorder NCT06102434Phase 1SuspendedUniversity of California, Los AngelesStarted 2029
Patient-engaged Development and Testing of Educational Content on Side Effects of Statins NCT07094412Not applicableSuspendedWeill Medical College of Cornell UniversityStarted 2028
The Effect of Sympathetic Modulation on Cerebral Vasospasm Secondary to Aneurysmal Subarachnoid Hemorrhage NCT06443177Not applicableSuspendedUniversity of Alabama at BirminghamStarted 2028
Terazosin And Metabolic Energetics in Parkinson's Disease NCT07464028Phase 2SuspendedErgun Y. UcStarted 2028
INSPIRIS RESILIA Aortic Valve, Valve-in-Valve Surveillance Study NCT04902053ObservationalSuspendedEdwards LifesciencesStarted 2028
Department of Defense PTSD Adaptive Platform Trial - Intervention D - SLS-002 NCT06816433Phase 2SuspendedGlobal Coalition for Adaptive ResearchStarted 2028
Methadone as an Alternative Treatment for Children Underdoing HSCT NCT06940570Phase 3SuspendedUniversity of Texas Southwestern Medical CenterStarted 2028
CA102N Combined With TAS-102 Compared to Bevacizumab Combined With TAS-102 in Subjects With Metastatic Colorectal Cancer NCT06039202Phase 2SuspendedHoly Stone Healthcare Co., LtdStarted 2027
Technical Development of Multi-Parametric Renocerebral MRI NCT02831335ObservationalSuspendedUniversity of MinnesotaStarted 2027
Red Blood Cell Exchange Transfusion as a Novel Treatment for GLUT1 Deficiency Syndrome NCT04137692Not applicableSuspendedWeill Medical College of Cornell UniversityStarted 2027
Ampligen Combined With SOC Versus SOC Alone Following First-Line Therapy in Subjects With LAPC NCT05494697Phase 2SuspendedAIM ImmunoTech Inc.Started 2027
A Study Of Starting Strength Barbell Training NCT07578285Not applicableSuspendedMayo ClinicStarted 2027
Low-Intensity Focused Ultrasound Neuromodulation of the Mediodorsal Thalamus for Treatment-Resistant Schizophrenia NCT05259306Not applicableSuspendedNYU Langone HealthStarted 2027
Comparative Efficacy of Saccadic and Biofeedback Training in Homonymous Hemianopia NCT06638619Not applicableSuspendedUniversity of Alabama at BirminghamStarted 2027
Trial of a Personalized and Adaptive Neoantigen Dose-Adjusted Vaccine Concurrently With Pembrolizumab NCT04266730Phase 1SuspendedUNC Lineberger Comprehensive Cancer CenterStarted 2027
The Effects of Chiropractic on Adults With Depression NCT07260045Not applicableSuspendedLife UniversityStarted 2027
The Effects of Chiropractic on Cancer-related Fatigue NCT07300319Not applicableSuspendedLife UniversityStarted 2027
Safety of F14 Following Total Knee Replacement NCT04860635Phase 2/3SuspendedArthritis Innovation CorporationStarted 2027
Co-Active Therapeutic Theatre (Co-ATT) for Dual-Diagnosis Patients NCT06187701Not applicableSuspendedBoston Medical CenterStarted 2027
Ketamine HCl Prolonged Release Oral Tablets for CRPS NCT06419985Phase 2SuspendedUniversity of Southern CaliforniaStarted 2027
PCA Administration in Prosthetic Joint Infection NCT06591741Not applicableSuspendedDr. Dean Reeves ClinicStarted 2027
Assessing the Efficacy of Repeat, Monthly Treatments of Alexandrite Laser for NF1-associated Cutaneous Neurofibromas (cNFs) NCT06934928Not applicableSuspendedMassachusetts General HospitalStarted 2027
Adaptive SBRT Plus Chemoimmunotherapy for ES-SCLC NCT05403723Phase 1SuspendedUniversity of Maryland, BaltimoreStarted 2027
Augmented Ultrasound-Facilitated, Catheter-Directed Fibrinolysis for PE NCT06310018ObservationalSuspendedBrigham and Women's HospitalStarted 2027

709 more trials match. See them on Pharma Observatory

Iberdomide Versus Observation Off Therapy After Idecabtagene Vicleucel CAR-T for Multiple Myeloma NCT06179888Completion date change2027-10-31 to 2030-03-01October 22, 2026
Anti-Lag-3 (Relatlimab) and Anti-PD-1 Blockade (Nivolumab) Versus Standard of Care (Lomustine) for the Treatment of Patients With Recurrent Glioblastoma NCT06325683Completion date change2028-07-15 to 2029-07-15October 22, 2026
CA-4948 in Combination With Pembrolizumab and Stereotactic Radiosurgery to Improve Treatment of Melanoma Brain Metastases NCT05669352Completion date change2027-08-31 to 2028-11-30October 22, 2026
Testing Nivolumab and Ipilimumab Immunotherapy With or Without the Targeted Drug Cabozantinib in Recurrent, Metastatic, or Incurable Nasopharyngeal Cancer NCT05904080Completion date change2028-06-16 to 2028-12-06October 22, 2026
Is Our Microbiome a Predictor of Cardiac Risk NCT02013284Completion date change2026-09-30 to 2027-12-31October 22, 2026
The Effect of Diet and Exercise on ImmuNotherapy and the Microbiome (EDEN) NCT04866810Enrollment change24 to 35October 22, 2026
CA-4948 in Combination With Pembrolizumab and Stereotactic Radiosurgery to Improve Treatment of Melanoma Brain Metastases NCT05669352Enrollment change29 to 23October 22, 2026
Trifluridine/Tipiracil + Oxaliplatin in Participants With Advanced or Metastatic Biliary Tract Cancer NCT07146646Status changeRecruiting to SuspendedOctober 22, 2026
Narrow Excision Versus Wide Excision for the Treatment of Adults With Invasive Cutaneous Melanoma, ICEMAN Trial NCT06673095Status changeRecruiting to SuspendedOctober 22, 2026
Is Our Microbiome a Predictor of Cardiac Risk NCT02013284Status changeEnrolling by invitation to SuspendedOctober 22, 2026

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