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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Physician Uncertainty Reduction for Hypertension

NCT00201084
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Hypertension
Interventions
Uncertainty reduction
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Not listed
Enrollment
670 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Where Does Hope Fit In? The Relationship Between Hope, Uncertainty, and Coping Efficacy in Mothers of Children With Duchenne/Becker Muscular Dystrophy

NCT02194725
View directory record Official record
Conditions
Stress
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

123I-ALTROPANE® Reference Image Acquisition in Subjects With Diagnostically Uncertain Tremor

NCT00596908
View directory record Official record
Conditions
Upper Extremity Tremor
Interventions
Not listed
Lead sponsor
Alseres Pharmaceuticals, Inc
Industry
Eligibility
40 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
Birmingham, Alabama • Tucson, Arizona • Los Angeles, California + 4 more
Source: ClinicalTrials.gov public record
Updated May 28, 2009 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Illness Management and Parental Adjustment to Cancer Treatment

NCT02505165
View directory record Official record
Conditions
Solid Tumor, Leukemia, Lymphoma, Brain Tumor
Interventions
IMPACT, ESO
Behavioral · Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
0 Years to 18 Years
Enrollment
279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
3
States / cities
Cincinnati, Ohio • Dayton, Ohio • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

The Experience of Uncertainty in Parents of Children With an Undiagnosed Medical Condition

NCT00955370
View directory record Official record
Conditions
Multiple Abnormalities
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Computerized Cognitive Bias Intervention for Intolerance of Uncertainty

NCT02818296
View directory record Official record
Conditions
Intolerance of Uncertainty; Anxiety
Interventions
Active IU CBM-I, Control CBM-I
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 28, 2016 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Cognitive Bias Modification for Perfectionism and Intolerance to Uncertainty

NCT04843228
View directory record Official record
Conditions
Perfectionism, Intolerance to Uncertainty
Interventions
Cognitive Bias Modification, Cognitive Bias Modification for Control Group
Behavioral
Lead sponsor
Istanbul Sabahattin Zaim University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lowell, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 25, 2022 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Decision-making Impairments in OCD: An Integrated Behavioral Economics Model

NCT03420495
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Decision-Making Tasks
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Cognitive-Behavioral Intervention for Worry, Uncertainty, and Insomnia for Cancer Survivors

NCT01929720
View directory record Official record
Conditions
Anxiety Disorder, Worry, Uncertainty, Sleep Disorders, Insomnia, Fatigue, Pain, Depression, Cognitive-behavioral Therapy, Psychological Intervention, Esophageal Cancer, Pancreatic Cancer, Leukemia, Lung Cancer, Multiple Myeloma, Ovarian Neoplasm, Stage III or IV Cervical or Uterine Cancer, Stage IIIB, IIIC, or IV Breast Cancer, Glioblastoma Multiforme, Relapsed Lymphoma, Stage III or IV Colorectal Cancer, Stage IIIC or IV Melanoma
Interventions
Cognitive-behavioral therapy for worry, uncertainty & insomnia
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

Collecting and Storing Malignant, Borderline Malignant Neoplasms, and Related Samples From Young Patients With Cancer

NCT00898079
View directory record Official record
Conditions
Acute Undifferentiated Leukemia, Atypical Chronic Myeloid Leukemia, BCR-ABL1 Negative, Childhood Acute Lymphoblastic Leukemia, Childhood Acute Myeloid Leukemia, Childhood Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Childhood Solid Neoplasm, Chronic Lymphocytic Leukemia, Hairy Cell Leukemia, Juvenile Myelomonocytic Leukemia, Mast Cell Leukemia, Neoplasm of Uncertain Malignant Potential, Prolymphocytic Leukemia, Secondary Acute Myeloid Leukemia, T-Cell Large Granular Lymphocyte Leukemia
Interventions
Cytology Specimen Collection Procedure
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 30 Years
Enrollment
2,545 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
175
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 132 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Not applicable Interventional

Pre-myeloid Cancer and Bone Marrow Failure Clinic Study

NCT02958462
View directory record Official record
Conditions
Myeloid Malignancy, Inherited Bone Marrow Failure Syndrome, Clonal Expansion, Cytopenia, Bone Marrow Failure Syndrome, Clonal Cytopenia of Undetermined Significance, Clonal Hematopoiesis of Indeterminate Potential, Hematologic Neoplasms, Hematopoietic and Lymphatic System Neoplasm, Hereditary Neoplastic Syndrome, Idiopathic Cytopenia of Undetermined Significance, Idiopathic Dysplasia of Uncertain Significance, Low Risk Myelodysplastic Syndrome
Interventions
Biospecimen Collection, Bone Marrow Biopsy, Punch Biopsy, Buccal Swab, Clinical Evaluation, Genetic Counseling, Quality-of-Life Assessment, Electronic Health Record Review
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2035
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Skin Imaging With Technologies in Development

NCT00764920
View directory record Official record
Conditions
Pigmented Skin Lesion of Uncertain Nature
Interventions
non-invasive imaging modalities for assessment of skin
Device
Lead sponsor
University of California, Irvine
Other
Eligibility
7 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2026
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Jul 21, 2026, 11:34 PM EDT
Not listed Not applicable Interventional

Acceptability/Feasibility of IU Intervention

NCT05172427
View directory record Official record
Conditions
Generalized Anxiety Disorder, Emotional Disorder
Interventions
14 days of EMI, Uncertainty reappraisal training
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

Collecting Tumor Samples From Patients With Gynecological Tumors

NCT00897442
View directory record Official record
Conditions
Borderline Ovarian Clear Cell Tumor, Borderline Ovarian Serous Tumor, Cervical Adenocarcinoma, Cervical Adenosquamous Carcinoma, Cervical Small Cell Carcinoma, Cervical Squamous Cell Carcinoma, Not Otherwise Specified, Childhood Embryonal Rhabdomyosarcoma, Childhood Malignant Ovarian Germ Cell Tumor, Endometrioid Stromal Sarcoma, Gestational Trophoblastic Tumor, Malignant Mesothelioma, Malignant Ovarian Epithelial Tumor, Melanoma, Neoplasm of Uncertain Malignant Potential, Ovarian Brenner Tumor, Ovarian Clear Cell Cystadenocarcinoma, Ovarian Serous Cystadenocarcinoma, Paget Disease of the Vulva, Recurrent Cervical Carcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Ovarian Germ Cell Tumor, Recurrent Primary Peritoneal Carcinoma, Recurrent Uterine Corpus Carcinoma, Recurrent Vaginal Carcinoma, Recurrent Vulvar Carcinoma, Stage I Ovarian Cancer, Stage I Uterine Corpus Cancer, Stage I Vaginal Cancer, Stage I Vulvar Cancer, Stage IA Cervical Cancer, Stage IA Fallopian Tube Cancer, Stage IA Ovarian Cancer, Stage IA Ovarian Germ Cell Tumor, Stage IB Cervical Cancer, Stage IB Fallopian Tube Cancer, Stage IB Ovarian Cancer, Stage IB Ovarian Germ Cell Tumor, Stage IC Fallopian Tube Cancer, Stage IC Ovarian Cancer, Stage IC Ovarian Germ Cell Tumor, Stage II Ovarian Cancer, Stage II Uterine Corpus Cancer, Stage II Vaginal Cancer, Stage II Vulvar Cancer, Stage IIA Cervical Cancer, Stage IIA Fallopian Tube Cancer, Stage IIA Ovarian Cancer, Stage IIA Ovarian Germ Cell Tumor, Stage IIB Cervical Cancer, Stage IIB Fallopian Tube Cancer, Stage IIB Ovarian Cancer, Stage IIB Ovarian Germ Cell Tumor, Stage IIC Fallopian Tube Cancer, Stage IIC Ovarian Cancer, Stage IIC Ovarian Germ Cell Tumor, Stage III Borderline Ovarian Surface Epithelial-Stromal Tumor, Stage III Cervical Cancer, Stage III Uterine Corpus Cancer, Stage III Vaginal Cancer, Stage III Vulvar Cancer, Stage IIIA Fallopian Tube Cancer, Stage IIIA Ovarian Cancer, Stage IIIA Ovarian Germ Cell Tumor, Stage IIIA Primary Peritoneal Cancer, Stage IIIB Fallopian Tube Cancer, Stage IIIB Ovarian Cancer, Stage IIIB Ovarian Germ Cell Tumor, Stage IIIB Primary Peritoneal Cancer, Stage IIIC Fallopian Tube Cancer, Stage IIIC Ovarian Cancer, Stage IIIC Ovarian Germ Cell Tumor, Stage IIIC Primary Peritoneal Cancer, Stage IV Borderline Ovarian Surface Epithelial-Stromal Tumor, Stage IV Fallopian Tube Cancer, Stage IV Ovarian Cancer, Stage IV Primary Peritoneal Cancer, Stage IV Uterine Corpus Cancer, Stage IVA Cervical Cancer, Stage IVA Vaginal Cancer, Stage IVB Cervical Cancer, Stage IVB Vaginal Cancer, Stage IVB Vulvar Cancer, Uterine Corpus Cancer, Uterine Corpus Leiomyosarcoma, Vulvar Squamous Cell Carcinoma
Interventions
Laboratory Biomarker Analysis
Other
Lead sponsor
Gynecologic Oncology Group
Network
Eligibility
Female only
Enrollment
275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1992
U.S. locations
187
States / cities
Fayetteville, Arkansas • Little Rock, Arkansas • Burbank, California + 128 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

Transitoriness in Cancer Patients, Psychosocial Issues in Cancer Care

NCT00364078
View directory record Official record
Conditions
Lung Cancer, Gastrointestinal Cancers
Interventions
Not listed
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
21 Years and older
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 20, 2008 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Transcutaneous Electrical Nerve Stimulation on Post-stroke Patients

NCT06541015
View directory record Official record
Conditions
Hemiplegia and/or Hemiparesis Following Stroke, Anterior Circulation Stroke of Uncertain Pathology
Interventions
InTENSity 10 TENS Stimulator
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Coping and Adjusting to Living With Multiple Sclerosis

NCT04300816
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
CBT for Uncertainty Tolerance, Traditional CBT
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 1 Interventional

PEG-Interferon Alfa-2b in Treating Young Patients With Plexiform Neurofibroma

NCT00253474
View directory record Official record
Conditions
Neoplasm of Uncertain Malignant Potential, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
PEG-interferon alfa-2a
Biological
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
1 Year to 21 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Chicago, Illinois • Bethesda, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2012 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Enhancing Information Management for Young Adults After Genetic Cancer Risk Testing

NCT05759143
View directory record Official record
Conditions
Genetic Predisposition to Disease, Genetic Predisposition
Interventions
Nest Platform
Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational

The Role of Uncertainty in Coping: The Experience of Parents of Children With Undiagnosed Medical Conditions

NCT01905865
View directory record Official record
Conditions
Undiagnosed Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years to 115 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Not applicable Interventional

Targeted EHR-based Communication of Diagnostic Uncertainty in the ED

NCT06638021
View directory record Official record
Conditions
Diagnostic Uncertainty
Interventions
Targeted EHR-based Communication of Diagnostic Uncertainty (TECU)
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Jul 21, 2026, 11:34 PM EDT
Active, not recruiting Not applicable Interventional

Respiratory Motion-Corrected Cone-Beam CT and Intratreatment Gating Based on Electromagnetic Transponders to Reduce Target Position Uncertainty in Radiation Treatment of Lung Malignancies

NCT02434809
View directory record Official record
Conditions
Lung Cancer
Interventions
Bronchoscopic Implantation, Cone-Beam CT-Guided, stereotactic body radiation treatments
Procedure · Device · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
3
States / cities
Commack, New York • Harrison, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting No phase listed Observational

Insights From Bereaved Parents and Oncologists

NCT07663539
View directory record Official record
Conditions
Communication
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
50 participants
Timeline
2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional

Outcomes of Triaged Family Care in Advanced Cancer

NCT00709176
View directory record Official record
Conditions
Advanced Cancer
Interventions
Brief FOCUS Program, Extensive FOCUS Program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
5
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Southfield, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 10, 2014 · Synced Jul 21, 2026, 11:34 PM EDT