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ClinicalTrials.gov public records Last synced Jul 22, 2026, 3:32 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Venipuncture Clear all
Completed No phase listed Observational Results available

Evaluation of IFNγ and Inflammatory Mediators in Patients With Malignancy-Associated Hemophagocytic Lymphohistiocytosis

NCT03259230
View directory record Official record
Conditions
Hemophagocytic Lymphohistiocytosis
Interventions
Blood Draws, Data Collection
Other
Lead sponsor
Swedish Orphan Biovitrum
Industry
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational

Immune Response to Cytomegalovirus

NCT00034437
View directory record Official record
Conditions
Cytomegalovirus Infections
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Variability in the Measurement of WBCT Between Blood Drawn From Indwelling Catheters and Direct Venipuncture

NCT02207205
View directory record Official record
Conditions
Healthy
Interventions
Blood drawn from indwelling catheters versus direct venipuncture
Drug
Lead sponsor
Perosphere Pharmaceuticals Inc, a wholly owned subsidiary of AMAG Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced Jul 22, 2026, 3:32 PM EDT
Withdrawn Not applicable Interventional

Augmented Reality Heads-up Display to Improve Ultrasound Guided IV Access

NCT05710445
View directory record Official record
Conditions
Phlebotomy
Interventions
Augmented Reality
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 22, 2026, 3:32 PM EDT
Terminated No phase listed Observational

A Study Comparing Factor Level and Inhibitor Titer Testing Results Drawn From Central Venous Lines and Venipuncture

NCT02402829
View directory record Official record
Conditions
Hemophilia A, Factor VIII Deficiency, Hemophilia, Hemophilia B, Factor IX Deficiency
Interventions
Peripheral Vein Blood draw
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Year to 21 Years · Male only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational

Blood and Stool Sample Collection in Subjects With a Diagnosis of Colorectal Cancer or Colorectal Lesion: Act Fast

NCT03789162
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
44
States / cities
Phoenix, Arizona • Canoga Park, California • Chula Vista, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2025 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

Iron Reduction for the Treatment of Diabetes and Nonalcoholic Fatty Liver Disease

NCT03696797
View directory record Official record
Conditions
Iron, Diabetes, Nonalcoholic Fatty Liver
Interventions
Blood Donation, Sham Blood Donation
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years to 75 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Community Dynamics of Malaria Transmission in Humans and Mosquitoes at Maferinyah Sub-Prefecture, Guinea

NCT04969913
View directory record Official record
Conditions
Malaria
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 23, 2024 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Can Virtual Reality Reduce Pain and Anxiety During Blood Draw

NCT04449341
View directory record Official record
Conditions
Procedural Anxiety, Procedural Pain
Interventions
Oculus Go headset with Ocean Rift application
Device
Lead sponsor
C.R.Darnall Army Medical Center
Federal
Eligibility
18 Years to 50 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fort Hood, Texas
Source: ClinicalTrials.gov public record
Updated Jul 12, 2021 · Synced Jul 22, 2026, 3:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Screening of Healthy Volunteers for Investigational Antimalarial Drugs, Malaria Vaccines, and Controlled Human Malaria Challenge

NCT02639299
View directory record Official record
Conditions
Malaria
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Phase 2Phase 3 Interventional

VeinViewer for Peripheral IV Placement in Children With Difficult Intravenous (IV) Access

NCT00357799
View directory record Official record
Conditions
Catheterization, Peripheral, Phlebotomy
Interventions
VeinViewer
Device
Lead sponsor
Children's Hospital and Health System Foundation, Wisconsin
Other
Eligibility
Up to 19 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 23, 2011 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Phase 2 Interventional

Study of ALGRX 3268 for Needlestick Pain in Children

NCT00132405
View directory record Official record
Conditions
Pain
Interventions
ALGRX 3268
Drug
Lead sponsor
AlgoRx Pharmaceuticals
Industry
Eligibility
3 Years to 18 Years
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 9, 2005 · Synced Jul 22, 2026, 3:32 PM EDT
Not listed Phase 2 Interventional

KRT-232 Compared to Ruxolitinib in Patients With Phlebotomy-Dependent Polycythemia Vera

NCT03669965
View directory record Official record
Conditions
Polycythemia Vera
Interventions
KRT-232, Ruxolitinib
Drug
Lead sponsor
Kartos Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Birmingham, Alabama • Los Angeles, California • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Collection Sub-Study for CRC Screening in Individuals 45-49 at Average Risk for CRC.

NCT03741166
View directory record Official record
Conditions
Colo-rectal Cancer
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
45 Years to 49 Years
Enrollment
871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
37
States / cities
Phoenix, Arizona • Camarillo, California • Laguna Hills, California + 32 more
Source: ClinicalTrials.gov public record
Updated May 16, 2021 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational

Blood Sampling Pre- and Post-Propofol Administration to Characterize the Blood Proteome Using Different Research Assays

NCT07295795
View directory record Official record
Conditions
Critically Ill Surgical Patients
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Does the Reduction of Total Body Iron Storage (TBIS) Alter Mortality in a Population of Patients With Advanced PVD?

NCT00032357
View directory record Official record
Conditions
Atherosclerosis, Intermittent Claudication, Peripheral Vascular Diseases
Interventions
Ferritin reduction to 25 ng/ml by phlebotomy
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years and older
Enrollment
1,277 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2005
U.S. locations
23
States / cities
Birmingham, Alabama • No. Little Rock, Arkansas • Long Beach, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2013 · Synced Jul 22, 2026, 3:32 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Collection and Distribution of Samples From Healthy Donors for In Vitro Research at the NCI-Frederick

NCT00339911
View directory record Official record
Conditions
Healthy Donors
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2030
U.S. locations
1
States / cities
Frederick, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Terminated No phase listed Observational

Blood Sample Collection to Evaluate Biomarkers in Subjects With Untreated Hematologic Malignancies

NCT03727009
View directory record Official record
Conditions
Hematologic Malignancy
Interventions
Blood Sample Collection
Other
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
409 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
35
States / cities
Fort Smith, Arkansas • Little Rock, Arkansas • Greenbrae, California + 32 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Not applicable Interventional Results available

Use of Pediatric Size Phlebotomy Tubes in Adult Critically Ill Patients to Reduce Red Blood Cell Transfusions

NCT03286465
View directory record Official record
Conditions
Anemia
Interventions
Pediatric phlebotomy tubes, Adult phlebotomy tubes
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced Jul 22, 2026, 3:32 PM EDT
Not yet recruiting No phase listed Observational

A Study to Evaluate the Safety and Efficacy of Intracranial Venous Blood Sampling for Liquid Biopsy in the Diagnosis of Brain Cancers

NCT07467109
View directory record Official record
Conditions
Intracranial Venous Blood, Brain Cancers, Liquid Biopsy, Evaluate the Safety
Interventions
blood sampling
Diagnostic Test
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Feasibility of Non-invasive Dried Blood Sampling

NCT05492734
View directory record Official record
Conditions
Muscular Dystrophies
Interventions
EDG-5506
Drug
Lead sponsor
Edgewise Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Jul 22, 2026, 3:32 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of ALGRX 3268 in Management of Needlestick Pain in Children.

NCT00140088
View directory record Official record
Conditions
Procedural Pain
Interventions
ALGRX 3268
Drug
Lead sponsor
AlgoRx Pharmaceuticals
Industry
Eligibility
3 Years to 18 Years
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 31, 2005 · Synced Jul 22, 2026, 3:32 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV

NCT00001281
View directory record Official record
Conditions
HIV, Immunodeficiencies, Infectious Diseases
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 120 Years
Enrollment
2,419 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1993
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 22, 2026, 3:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold

NCT03821948
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Not listed
Lead sponsor
Exact Sciences Corporation
Industry
Eligibility
40 Years and older
Enrollment
5,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
40
States / cities
Tempe, Arizona • Chula Vista, California • Huntington Beach, California + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Jul 22, 2026, 3:32 PM EDT