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ClinicalTrials.gov public records Last synced Oct 31, 2026, 5:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 145–168 of 258 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Observational Protocol Clear all
Recruiting No phase listed Observational

Collecting Blood and Tissue Sample Donations for Research for HIV/AIDS-Related Cancers

NCT05663502
View directory record Official record
Conditions
Anal Carcinoma, Hematopoietic and Lymphoid Cell Neoplasm, HIV Infection, Kaposi Sarcoma, Lymphoma, Malignant Solid Neoplasm, Multicentric Castleman Disease, Plasmablastic Lymphoma, Recurrent Kaposi Sarcoma, Recurrent Lymphoma, Recurrent Plasmablastic Lymphoma, Transplant-Related Kaposi Sarcoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
8
States / cities
La Jolla, California • San Francisco, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multimodal Analgesic Protocol to Moderate Acute Pain

NCT03456141
View directory record Official record
Conditions
Pain, Post-operative
Interventions
third molar surgery
Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Oct 31, 2026, 5:17 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Flucelvax Pregnancy Registry

NCT02258178
View directory record Official record
Conditions
Pregnant Women, Influenza
Interventions
Flucelvax (cTIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting Phase 2 Interventional

Phase 2 Study of Glofitamab Monotherapy & With Polatuzumab Vedotin, Pirtobrutinib, or Atezolizumab in Richter's Transformation

NCT06043674
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Richter's Transformation
Interventions
Glofitamab, Obinutuzumab, Polatuzumab Vedotin, Atezolizumab, Tocilizumab, Pirtobrutinib
Drug
Lead sponsor
Christine Ryan
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
5
States / cities
Atlanta, Georgia • Boston, Massachusetts • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Completed No phase listed Observational

Observational Study of Treated and Untreated Acute and Early HIV-1 Infection

NCT00219934
View directory record Official record
Conditions
HIV Infections
Interventions
Antiretroviral therapy
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
16 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting Not applicable Interventional

Stent Omission After Ureteroscopy and Lithotripsy in the Michigan Urological Surgery Improvement Collaborative

NCT05866081
View directory record Official record
Conditions
Stone, Kidney, Stone Ureter
Interventions
Standard of care stent placement, No stent placement, Surveys
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
792 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
16
States / cities
Tucson, Arizona • Gainesville, Florida • Indianapolis, Indiana + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 31, 2026, 5:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Cytokines in Children With Opsoclonus-Myoclonus Syndrome

NCT00806182
View directory record Official record
Conditions
Opsoclonus-myoclonus Syndrome
Interventions
Not listed
Lead sponsor
National Pediatric Neuroinflammation Organization, Inc.
Other
Eligibility
1 Year to 18 Years
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 31, 2026, 5:17 PM EDT
Not listed Not applicable Interventional

Dietary Sodium-Restriction (DIS) and Renal Meals (RM) for Hemodialysis (HD)(DISaRM-HD)

NCT04991441
View directory record Official record
Conditions
Kidney Failure, Chronic, Dietary Modification
Interventions
Controlled Dietary Sodium Restriction, Control Diet & Controlled Dietary Sodium Restriction
Dietary Supplement
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 5, 2021 · Synced Oct 31, 2026, 5:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Mutations and Environmental Exposure in Young Patients With Retinoblastoma and in Their Parents and Young Healthy Unrelated Volunteers

NCT00690469
View directory record Official record
Conditions
Extraocular Retinoblastoma, Intraocular Retinoblastoma, Recurrent Retinoblastoma
Interventions
Laboratory Biomarker Analysis, Questionnaire Administration
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Not listed
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
49
States / cities
Los Angeles, California • Madera, California • San Francisco, California + 38 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 31, 2026, 5:17 PM EDT
Not yet recruiting Not applicable Interventional

A Manualized Recreational Therapy Balance Program for Older Adults With Parkinson's and Movement Disorders

NCT07845474
View directory record Official record
Conditions
Parkinson Disease (PD), Postural Balance, Movement Disorders (Incl Parkinsonism), Postural Balance, Accidental Falls
Interventions
Manualized recreational therapy balance program
Behavioral
Lead sponsor
Oklahoma State University
Other
Eligibility
50 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Stillwater, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting Not applicable Interventional

Surveillance vs. Endoscopic Therapy for Barrett's Esophagus With Low-grade Dysplasia

NCT05753748
View directory record Official record
Conditions
Barretts Esophagus With Dysplasia, Barrett Esophagus, Esophageal Adenocarcinoma
Interventions
Endoscopic Eradication Therapy
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
30
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting No phase listed Observational

Liver Transplantation in Patients With CirrHosis and Severe Acute-on-Chronic Liver Failure: iNdications and outComEs

NCT04613921
View directory record Official record
Conditions
Liver Diseases, Liver Cirrhosis, Acute-On-Chronic Liver Failure, Liver Transplant; Complications
Interventions
Observational Protocol
Other
Lead sponsor
European Foundation for Study of Chronic Liver Failure
Other
Eligibility
18 Years to 80 Years
Enrollment
3,000 participants
Timeline
2021 – 2026
U.S. locations
18
States / cities
Los Angeles, California • Aurora, Colorado • Tampa, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 31, 2026, 5:17 PM EDT
Not listed Not applicable Interventional

The ReNEW Study: Maestro® New Enrollment Post-Approval Study Protocol

NCT03145636
View directory record Official record
Conditions
Obesity, Morbid
Interventions
vBloc Maestro Rechargeable System, vBloc Achieve Weight Management Program, Control Weight Management (CWM) program
Device · Other
Lead sponsor
ReShape Lifesciences
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Scottsdale, Arizona • Mineola, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Oct 31, 2026, 5:17 PM EDT
Not listed Phase 3 Interventional

Hemoglobin Maintenance in Pediatric ESRD (End-stage Renal Disease) Patients by Ferric Pyrophosphate Citrate (FPC)

NCT04239391
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Triferic
Drug
Lead sponsor
Rockwell Medical Technologies, Inc.
Industry
Eligibility
6 Months to 17 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
8
States / cities
Loma Linda, California • Washington D.C., District of Columbia • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Oct 31, 2026, 5:17 PM EDT
Withdrawn No phase listed Observational

BK Virus Post-Kidney Transplant: New Practice Versus Traditional Approach

NCT02758288
View directory record Official record
Conditions
BK Virus Infection, BK Virus Nephropathy
Interventions
New Protocol - BK viremia or BK virus nephropathy, Standard Protocol - BK viremia or BK virus nephropathy
Other
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting No phase listed Observational

Genomic Predictors of Papillary Microcarcinoma Disease Progression

NCT02363595
View directory record Official record
Conditions
Papillary Microcarcinoma
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting No phase listed Observational

Registry of Patients With a Diagnosis of Spinal Muscular Atrophy (SMA)

NCT04174157
View directory record Official record
Conditions
Spinal Muscular Atrophy (SMA)
Interventions
Prospective observational registry, Zolgensma
Other · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
Not listed
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2038
U.S. locations
50
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Loma Linda, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2025 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting No phase listed Observational

Smoldering Myeloma High-Risk Patient Observation and Longitudinal Insight Trial

NCT06212323
View directory record Official record
Conditions
Smoldering Multiple Myeloma
Interventions
Patients with smoldering myeloma undergoing active surveillance with diffusion weighted whole body MRI.
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Completed Phase 1 Interventional

Cognitive Oriented Strategy Training Augmented Rehabilitation (COSTAR) Treatment Approach for Stroke

NCT01910454
View directory record Official record
Conditions
Stroke
Interventions
Cognitive-Oriented Strategy Augmented Rehabilitation (COSTAR), Task Specific Training (TST)
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Oct 31, 2026, 5:17 PM EDT
Active, not recruiting Not applicable Interventional

Accelerated Recovery After MIS Hepatectomy (ARAMIS Hep) to Support Early Discharge for Patients Undergoing Minimally Invasive Liver Resection

NCT05879159
View directory record Official record
Conditions
Liver
Interventions
Questionnaires
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 31, 2026, 5:17 PM EDT
Not listed No phase listed Observational

Blood Purification With Seraph 100 Microbind Affinity Blood Filter for Treatment of Severe COVID19 Observational Study

NCT04606498
View directory record Official record
Conditions
Covid19
Interventions
Observational
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
14
States / cities
Los Angeles, California • Aurora, Colorado • Orlando, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 31, 2026, 5:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Can EmeraldLED Reshape Your Body With Continued Use?

NCT07282119
View directory record Official record
Conditions
Body Composition
Interventions
EmeraldLED
Device
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 31, 2026, 5:17 PM EDT
Active, not recruiting Not applicable Interventional

Comparison of Surgery and Medicine on the Impact of Diverticulitis (COSMID) Trial

NCT04095663
View directory record Official record
Conditions
Diverticulitis
Interventions
Partial Colectomy, Medical Management
Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
29
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 31, 2026, 5:17 PM EDT