Clinical trials: Blood Clot
Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura
Longitudinal Cohort of Thrombosis and Hemostasis Diseases
This is a multicenter, prospective, longitudinal, observational cohort study to investigate thrombosis and hemostasis diseases in Chinese patients.
- Conditions
- Immune Thrombocytopenia, Thrombotic Thrombocytopenic Purpura, Hemophilia A, Acquired, Disseminated Intravascular Coagulation
- Trial name
- NCT06727669
- Where
- 5 sites in China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Peking University People's 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
Varicose Veins of Lower Limb, Thromboses, Venous
Prospective Cohort Study for Varicose Veins Incidence and Natural Course
A prospective study of individuals without varicose veins and who have primary varicose veins to assess the morbidity, risk factors and natural course of chronic lower limb vein disease.
- Conditions
- Varicose Veins of Lower Limb, Thromboses, Venous, Venous Insufficiency
- Trial name
- VINCI (NCT04546750)
- Where
- Russia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Russian Phlebological Association
HepatoCellular Carcinoma
Radiotherapy in Hepatocellular Carcinomas After Hepatectomy With Narrow Margin (<1 cm) or Portal Vein Thrombosis
Hepatocellular carcinoma (HCC) is one of ten leading cancer types worldwide and also in Asia, but the five-year relative survival rate is relatively quite low1-3.
- Trial name
- RHCC (NCT02309788)
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Guangxi Medical University
Contraception, Female Contraception
Postmarketing Study of ORTHO EVRA (Norelgestromin and Ethinyl Estradiol Contraceptive Patch) in Relation to Venous Thromboembolism (Blood Clots), Stroke and Heart Attacks
The purpose of the study is to assess the occurrence of venous thromboembolism (blood clots), stroke, and heart attack in current users of ORTHO EVRA compared to current users of norgestimate-containing oral contraceptives with…
- Trial name
- NCT00331071
- Testing
- Monophasic or triphasic Oral contraceptive tablet, Ortho Evra transdermal patch containing 6 mg NGMN/0.75 mg EE
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Terminal Cancer
Towards Cancer Patient Empowerment for Optimal Use of Antithrombotic Therapy at the End of Life
Despite the fact that antithrombotic therapy (ATT) has little or even negative effects on the well-being of cancer patients during their last year of life, stopping ATT is rare in clinical practice.
- Trial name
- SERENITY (NCT05706740)
- Testing
- Physician survey on antithrombotic medication during end-of-life care in cancer patients
- Where
- 12 sites in Denmark, France and 6 more
- Volunteers
- 467 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Hemophilia A, Hemophilia A, Severe
Hemophilia A Research Program
This study longitudinally observes the intergenerational (mother-child) continuum in hemophilia A from pregnancy through early childhood.
- Conditions
- Hemophilia A, Hemophilia A, Severe, Factor VIII (FVIII), FVIII Deficiency
- Trial name
- HARP (NCT07414511)
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- University of Washington
Preterm Birth, Coagulation Protein Disorders
Stratifying Risk for Intracerebral Haemorrhage
This study aims to investigates the role of gestational age on the prevalence of coagulation factors and components of the complement system in preterm- (≤32+0 weeks) and term neonates (≥37+0 weeks) and their role for the…
- Conditions
- Preterm Birth, Coagulation Protein Disorders, Coagulation Disorder Neonatal
- Trial name
- NEW_STRATEGI (NCT04140812)
- Testing
- mass spectrometry (LC-MS/MS)
- Where
- Germany
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Venous Thromboembolism
Effect of the Genotype on Postoperative DVT
Postoperative Venous Thromboembolism Events (VTE) constitute a major source of morbidity and mortality after surgery. The aim of this study was to investigate whether commonly occurring Single Nucleotide Polymorphisms (SNPs) are…
- Trial name
- NCT04940377
- Where
- Denmark
- Volunteers
- 502,505 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Systemic Sclerosis, Raynaud Phenomenon
Early Diagnosis of SSc in the General Rheumatology Clinic - Pilot
The goal of this observational pilot data acquisition study is to establish if target users can obtain diagnostic quality images in the clinic, from participants with Systemic Sclerosis (SSc), and SSc spectrum conditions.
- Trial name
- NCT06291142
- Testing
- Observation - Nailfold capillaroscopy
- Where
- United Kingdom
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Age-Related Macular Degeneration, Diabetic Retinopathy
National Eye Institute Biorepository for Retinal Diseases
Background: To understand diseases of the retina and the eye, information is needed about people with and without such diseases. Researchers want to study these people and follow them over time.
- Conditions
- Age-Related Macular Degeneration, Diabetic Retinopathy, Von Hippel-Lindau Syndrome, Retinal Disease
- Trial name
- NCT01496625
- Where
- United States
- Volunteers
- 650 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Periodontal Disease, Periodontal Bone Loss
Laser Assisted Open Flap Debridement
The study involves the surgical treatment of patients with Stage I to III of periodontitis. Following completion of Steps 1 and 2 of periodontal therapy according to the EFP guidelines for the treatment of periodontitis, sites…
- Trial name
- LaserOpen (NCT07807215)
- Testing
- Mechanical Open Flap debridement, Laser assisted open flap debridement
- Where
- Italy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Bari Aldo Moro
Contraception, Female Contraception
Relative Risks for Non-fatal Venous Thromboembolism, Ischemic Stroke and Myocardial Infarction in Users of ORTHO EVRA(Norelgestromin and Ethinyl Estradiol Contraceptive Patch) Compared to Levonorgestrel-containing Oral Contraceptives.
This study uses the PharMetrics and MarketScan US health care insurance claims database to estimate relative risks for non-fatal venous thromboembolism (including cerebral venous sinus thrombosis), ischemic stroke, and acute…
- Conditions
- Contraception, Female Contraception, Fertility Control
- Trial name
- NCT00511784
- Volunteers
- 440 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
no Obvious Abnormalities, Diabetic Retinopathy (DR)
Retinal Clinical Assessment With AI-derived Quantitative Information
This randomized controlled trial evaluates whether providing clinicians with AI-derived quantitative retinal information improves the quality and efficiency of retinal clinical assessment.
- Conditions
- no Obvious Abnormalities, Diabetic Retinopathy (DR), AMD, Cup-to-disc Ratio Bigger Than 0.5
- Trial name
- NCT07291960
- Testing
- AI-derived retinal quantitative information-assisted reporting
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Retinal Vein Occlusion
Intravitreal Ranibizumab Treatment of Central Retinal Vein Occlusion With Macular Edema
The purpose of this study is to examine the effects of Lucentis for active Central Retinal Vein Occlusion with Macular Edema
- Trial name
- NCT00403039
- Testing
- Ranibizumab (Lucentis )
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Vitreous -Retina- Macula Consultants of New York
Atherosclerosis of Coronary Artery, Cardiovascular Disease
Radiation Dose From Computed Tomography Before and After Implementation of a High Pitch Dual Spiral Technique
The purpose of this study is to compare the radiation exposure of a variety of chest CT examinations performed on the current state of the art CT scanners (64 slice, dual source CT scanner) with the radiation exposure for…
- Conditions
- Atherosclerosis of Coronary Artery, Cardiovascular Disease, Pulmonary Embolism, Aortic Aneurysm Without Mention of Rupture Nos
- Trial name
- FLASH (NCT01111760)
- Where
- United States
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Michael Gallagher
Endodontic Disease, Regenerative Endodontics
Evaluation of Different Scaffolds in Regenerative Endodontic Treatment
The aim of this study is to evaluate and compare the regenerative potentials of Injectable Platelet-Rich Fibrin (I-PRF), Platelet-Rich Fibrin (PRF), and Blood Clot (BC) as different scaffolds regarding: Radiographic outcomes…
- Trial name
- NCT06945965
- Testing
- Injectable platelet-rich fibrin (i-PRF) scaffold, platelet-rich fibrin (PRF)scaffold, blood clot (BC) scaffold
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- British University In Egypt
Regenerative Endodontics
Clinical and Radiographic Outcomes of PRF, Chitosan, and Blood Clot in Regenerative Endodontics of Molars
This clinical trial aimed to evaluate the long-term effects of using chitosan, blood clots, and platelet-rich fibrin as scaffolds in regenerative endodontics on tooth development.
- Trial name
- NCT07119619
- Testing
- Regenerative Endodontic Treatment Using a Blood Clot as a Scaffold, Regenerative Endodontic Treatment Using a Chitosan as a Scaffold, Regenerative Endodontic Treatment Using a Platelet Rich Fibrin as a Scaffold
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Inonu University
Postpartum Hemorrhage, Venous Thromboembolism
Haemorrhages and Thromboembolic Venous Disease of the Postpartum
The aim of this study is to evaluate the frequencey and the determinants of postpartum major complications (hemorrhage and thrombosis) up to 3 months after delivery in the maternity hospitals of Finistère (Bretagne - France)
- Trial name
- HEMOTHEPP (NCT02443610)
- Where
- 6 sites in France
- Volunteers
- 20,241 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
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