Clinical trials: Thrombi
Prevention of Subclinical Atherosclerosis Progression, Prevention of Cognitive Decline
Nattokinase Atherothrombotic Prevention Study
The potential for nattokinase to "thin" blood and to reduce blood clotting by positive antithrombotic and fibrinolytic effects presents a unique opportunity to safely study such effects on cardiovascular disease and cognition.
- Trial name
- NAPS (NCT02080520)
- Testing
- Nattokinase
- Where
- United States
- Volunteers
- 265 people, healthy volunteers welcome
- Sponsor
- University of Southern California
Stroke
CLOTBUST Hands-Free: A Phase I/II Pilot Safety Trial
The purpose of CLOTBUST-HF is to determine the safety of a novel, external Hands-Free transcranial Doppler (TCD) ultrasound system in healthy volunteers and ischemic stroke patients.
- Trial name
- CLOTBUST-HF (NCT01240356)
- Testing
- 2-MHz transcranial Doppler ultrasound, 2-MHz transcranial Doppler ultrasound insonation
- Where
- 2 sites in United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Venous Stasis, Deep Vein Thrombosis
Blood Flow Stimulation in the Lower Limbs by Application of Different External Devices
In this study, four different devices which stimulate the blood in the lower extremities are used in ten healthy persons while measuring the blood flow with ultrasound.
- Trial name
- NCT03420625
- Testing
- Foot IPC, Rapid calf IPC, Slow calf IPC
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Karolinska University Hospital
Arterial Thromboembolism, Venous Thromboembolism
Long-term Active Surveillance Study for Oral Contraceptives (LASS)
The objective of this study is to characterize and compare the risks of long-term use of oral contraceptives containing drospirenone and of other established oral contraceptives.
- Conditions
- Arterial Thromboembolism, Venous Thromboembolism, Breast Cancer
- Trial name
- NCT00676065
- Where
- Germany
- Volunteers
- 58,303 people, healthy volunteers welcome
- Sponsor
- Center for Epidemiology and Health Research, Germany
Age-Related Macular Degeneration, Geographic Atrophy
Evaluation of the Precision of the Microperimetry Function of the Spectral OCT/SLO
To conduct a precision study to assess the microperimetry function of the Spectral OCT/SLO. The study will assess variability across measurements taken by three different operator-device configuration across clinical sites…
- Conditions
- Age-Related Macular Degeneration, Geographic Atrophy, Diabetic Retinopathy, Macular Edema
- Trial name
- NCT01692938
- Where
- 3 sites in United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Optos, PLC
Thrombosis
Sickle Cell Trait and the Risk of Venous Thromboembolism
The purpose of this trial is to investigate D-Dimer levels, a surrogate marker of venous thromboembolism, in pregnant/postpartum white women as compared to pregnant/postpartum black women, and pregnant/postpartum women with…
- Trial name
- SCT&DVT (NCT01148940)
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Albert Einstein College of Medicine
Oxidative Stress, Inflammation
Effect of Dietary Supplemental Fish Oil in Alleviating Health Hazards Associated With Air Pollution
This study aims to evaluate whether dietary supplementation with fish oil can protect against the cardiopulmonary alterations linked to air pollution
- Conditions
- Oxidative Stress, Inflammation, Blood Pressure, Vasoconstriction
- Trial name
- NCT03255187
- Testing
- Fish oil supplementation, Sunflower seed oil supplementation
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Fudan University
Heart Diseases, Coronary Disease
CES1 Carriers in the PAPI Study
This study builds, in part, upon preliminary results generated as part of the Pharmacogenomics Anti-Platelet Intervention (PAPI) Study (NCT00799396).
- Conditions
- Heart Diseases, Coronary Disease, Coronary Artery Disease, Cardiovascular Diseases
- Trial name
- NCT03188705
- Testing
- Clopidogrel, Aspirin
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Obstructive Sleep Apnea
Study to Assess the Changes in Blood Clotting Factors and Blood Vessel Wall Function in Obstructive Sleep Apnea
Obstructive sleep apnea is a condition in which people have decreased breathing during their sleep. Untreated sleep apnea has been linked to increased risk for cardiovascular diseases.
- Trial name
- NCT00936481
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Acute Coronary Syndrome
Antithrombotic Effects of Ticagrelor Versus Clopidogrel
The purpose of this study is to determine whether treatment with ticagrelor (plus aspirin and bivalirudin) is more effective than treatment with clopidogrel (plus aspirin and bivalirudin).
- Trial name
- NCT01642238
- Testing
- Ticagrelor + ASA + Bivalirudin, Clopidogrel + ASA + Bivalirudin
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Juan J Badimon
Pulmonary Embolism
Nudging Provider Adoption of Clinical Decision Support
The central hypothesis of this proposal is that the addition of a theory-informed "nudge" to a clinical decision support (CDS) tool will address identified behavioral barriers to use and significantly improve adoption by…
- Trial name
- NCT05203185
- Testing
- Pulmonary Embolism Risk Kalculator (PERK)
- Where
- 2 sites in United States
- Volunteers
- 1,612 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Retinal Vein Occlusion, Macular Edema
Efficacy of an Intravitreal DEX Implant in Retinal Vein Occlusion Following Treatment With Anti-VEGF Injections.
To test the efficacy of a 0.7 mg intravitreal dexamethasone implant (Ozurdex®) on macular function and recalcitrant macular edema associated with retinal vein occlusion following treatment with 2 or more prior intravitreal…
- Trial name
- NCT01449682
- Testing
- Ozurdex
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Retina Macula Institute
Contraception
Synthetic vs Natural Estrogen in Combined Oral Contraception
The main objective of the study is to compare the metabolic effects of natural estradiol and synthetic ethinylestradiol used in combined oral contraception in healthy women.
- Trial name
- SYLVI (NCT02352090)
- Testing
- Ethinyl estradiol / dienogest, Estradiol valerate / dienogest, Dienogest
- Where
- 2 sites in Finland
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Helsinki University Central Hospital
Cicatrix, Dermabrasion
Laser Resurfacing Versus Dermabrasion for Scar Revision
Dermabrasion has been the historical standard used for resurfacing scars on the skin. Recently, fractionated laser therapy has been FDA approved for scar resurfacing.
- Conditions
- Cicatrix, Dermabrasion, Coagulation, Laser
- Trial name
- NCT01176448
- Testing
- Fractionated laser, Dermabrasion
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Healthy
Phase 2 Study of Rivaroxaban Reversal by Ciraparantag as Measured by WBCT
This study is a randomized, single-blind, placebo-controlled study to assess the efficacy and safety of ciraparantag administered to healthy volunteers anticoagulated with rivaroxaban measuring clotting times using Whole Blood…
- Trial name
- NCT03172910
- Testing
- Ciraparantag, Rivaroxaban
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Perosphere Pharmaceuticals Inc, a wholly owned subsidiary of AMAG Pharmaceuticals, Inc.
Hemostasis, Oral Contraceptive
A Multicenter Study to Evaluate the Effects of a 91-Day Extended Cycle Oral Contraceptive on Hemostatic Parameters in Healthy Women
This study is being conducted to evaluate the impact of a 91-day extended cycle oral contraceptive compared to two 28-day oral contraceptive regimens on hemostatic parameters in healthy women.
- Trial name
- NCT01252186
- Testing
- 91-day Levonorgestrel Oral Contraceptive, 28-day Levonorgestrel Oral Contraceptive, 28-day Desogestrel Oral Contraceptive
- Where
- 24 sites in United States, Italy
- Volunteers
- 265 people, healthy volunteers welcome
- Sponsor
- Teva Women's Health
Cardiovascular Disease, Bleeding
Lovaza's Effect on the Activation of Platelets
This study is to determine the effects of Lovaza in platelet function studies
- Trial name
- LEAP (NCT00515541)
- Testing
- Lovaza
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Invitrox
Raynaud Phenomenon
The Effect of Abobotulinum Toxin A on the Symptoms of Raynaud's Phenomenon
This study aims to investigate the effect of abobotulinum toxin A on the symptoms of Raynaud's phenomenon.
- Trial name
- NCT03639766
- Testing
- AbobotulinumtoxinA, Saline solution
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- University of Central Florida
Other Acute Illnesses Presenting to the Hospital, Heart Failure
Evaluation of Implementation of a National Point-of-Care Ultrasound Training Program
This VA QUERI Partnered Evaluation Initiative will evaluate the impact of an immersive Point-of-care Ultrasound (POCUS) Training Course on provider skill acquisition and retention; the frequency of POCUS use by trained providers…
- Conditions
- Other Acute Illnesses Presenting to the Hospital, Heart Failure, Pneumonia, Deep Venous Thrombosis
- Trial name
- NCT03296280
- Where
- United States
- Volunteers
- 116 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Retinal Vein Occlusion, Macular Edema
A Retrospective Study of Anti-Vascular Endothelial Growth Factor (VEGF) Injections for Retinal Vein Occlusion or Diabetic Macular Edema
This retrospective data review study will evaluate anti-VEGF injections for retinal vein occlusion (RVO) or diabetic macular edema (DME).
- Trial name
- NCT01918371
- Testing
- Anti-VEGF
- Where
- United States
- Volunteers
- 323 people, healthy volunteers welcome
- Sponsor
- Allergan