Clinical trials: Blood sampling
Epilepsy
Study to Evaluate Serum Free Thyroxine (FT4) and Free Triiodothyronine (FT3) Measurements for Subjects Treated With Eslicarbazeine Acetate (ESL)
The purpose of this research study is to determine if the blood tests used to measure free thyroid hormone levels are affected by a drug called eslicarbazepine acetate.
- Trial name
- NCT02491073
- Testing
- blood draw
- Where
- 7 sites in United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Sumitomo Pharma America, Inc.
Phenylketonuria (PKU)
A Pilot Study on Diurnal Variation
This self-controlled, prospective, pilot study is designed to gather information regarding the diurnal variation (changes that occur each day) in the levels of plasma phenylalanine (Phe) and tyrosine in patients with…
- Trial name
- NCT01806051
- Testing
- Kuvan
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Dr. Linda Randolph
Hyperlipidemia
Effect Of Capros Supplementation On Cardiovascular Disease Risk Factors In Humans
The hypothesis of this study is that the natural supplement Capros will decrease LDL levels, platelet aggregation, and serum concentrations of high sensitivity C-reactive protein in humans at risk for cardiovascular disease.
- Trial name
- Capros (NCT01858376)
- Testing
- Capros dietary supplement
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Chandan K Sen
Infections, Meningococcal
Persistence of Antibodies After Meningococcal Vaccine PF-06866681 in Healthy Children
The purpose of this study is to evaluate the long-term antibody persistence as well as safety of GSK Biologicals' MenACWY-TT vaccine versus Meningitec up to 6 years after booster vaccination administered in healthy 5 year old…
- Trial name
- NCT01900899
- Testing
- Blood Sampling
- Where
- 10 sites in Finland
- Volunteers
- 184 people, healthy volunteers welcome
- Sponsor
- Pfizer
Polycystic Ovary Syndrome
Impact of Metformin in Teens With Polycystic Ovary Syndrome (PCOS) on Oral Contraceptive Therapy
Oral contraceptives are known to improve menstrual cycles and symptoms in PCOS, however may increase cholesterol. Metformin, a drug to improve insulin resistance, may benefit metabolic state.
- Trial name
- NCT00283816
- Testing
- Metformin, Oral Contraceptive Pill, Lifestyle Management Program
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Anticoagulants and Bleeding Disorders, Surgery
Residual Anti-Xa Activity After Last Treatment Dose of Enoxaparin
The main objective of this study is to determine the time interval following the last treatment dose of enoxaparin at which the amount of anti-Xa level activity is reliably less than 0.2 international unit per milliliter (IU/mL)…
- Conditions
- Anticoagulants and Bleeding Disorders, Surgery, Regional Anesthesia Morbidity
- Trial name
- NCT03296033
- Testing
- Enoxaparin
- Where
- United States
- Volunteers
- 122 people
- Sponsor
- Wake Forest University Health Sciences
Infections, Cytomegalovirus
Evaluation of the Long-term Persistence of GlaxoSmithKline (GSK) Biologicals' Candidate Cytomegalovirus (CMV) Vaccine
The purpose of this study is to evaluate the persistence of the vaccine induced immune responses at Month 48 (Year 4) and Month 60 (Year 5) in healthy subjects who received 3 doses of GSK Biologicals' candidate CMV vaccine…
- Trial name
- NCT01357915
- Testing
- Blood sampling, GSK149203A
- Where
- 2 sites in Belgium
- Volunteers
- 47 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
ANCA-Associated Vasculitis
Defining Immune Tolerance in ANCA-associated Vasculitis (AAV)
The goal of the study is to find biological markers (certain proteins or cellular markers found in a blood test) that will inform doctors which patients diagnosed with ANCA-associated vasculitis (AAV) are most likely to be able…
- Trial name
- AAV (NCT01934504)
- Testing
- Venipuncture for blood sample collection
- Where
- 3 sites in United Kingdom
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Inflammatory Bowel Disease
A Study to Investigate Interleukin-6 (IL-6) and IL-6/Soluble IL-6 Receptor (sIL-6R) Complex Levels in Subjects With Active Inflammatory Bowel Disease
The purpose of this study is to measure IL-6 and IL-6/sIL-6R complex levels in subjects with active moderate to severe ulcerative colitis or Crohn's disease.
- Trial name
- NCT02790281
- Testing
- Blood sampling
- Where
- 2 sites in Denmark, Sweden
- Volunteers
- 33 people
- Sponsor
- Ferring Pharmaceuticals
Sepsis
Project 4A: Inspiratory Muscle Training and Diaphragm Strength
Investigators will assess the effect of exercise on markers of inflammation and protein catabolism. This research study will further our understanding of how treating Chronic Critical illness (CCI) - related respiratory muscle…
- Trial name
- NCT02367170
- Testing
- Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP)
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- University of Florida
Hepatitis B
Long Term Follow-Up Study 16-20 Years After Hepatitis B Vaccination in Newborns of Mothers Who Were Seropositive for Hepatitis B Envelope Antigen (HBeAg) & Hepatitis B Surface Antigen (HBsAg)
This study is performed to evaluate the persistence of anti-hepatitis B surface antigen (HBs) antibodies up to 16, 17, 18, 19 and 20 years after administration of the first dose of the study vaccine, Engerix-B™.
- Trial name
- NCT00240539
- Testing
- Blood sampling
- Where
- Thailand
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Respiratory Disorders
Infectious Pathogens in Acute Respiratory Illness in Adults and Elderly
The aim of this study is to generate epidemiological data to further explore determinants of Chronic Obstructive Pulmonary Disease (COPD) and the contribution of bacterial and viral pathogens to Acute Exacerbation of COPD…
- Trial name
- NCT01360398
- Testing
- Blood sample, Sputum sample, Nasopharyngeal swab
- Where
- United Kingdom
- Volunteers
- 127 people
- Sponsor
- GlaxoSmithKline
Obstetric Labor Complications, Hemorrhage
Coagulation Factor Changes Associated With Postpartum Hysterectomies
The purpose of this study is to examine components of the coagulation system in women undergoing postpartum hysterectomy and to compare laboratory parameters of coagulation in these women to women at increased risk for a…
- Conditions
- Obstetric Labor Complications, Hemorrhage, Complications; Cesarean Section
- Trial name
- NCT00456547
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Cholera Vaccination
Blood Donor CVD 9000
This is an open-label, non-randomized study. Volunteers will be vaccinated with the oral cholera vaccine, Vaxchora. Vaxchora has been licensed by the Food and Drug Administration (FDA) for travelers to developing countries.
- Trial name
- NCT03724357
- Testing
- Vaxchora
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Hepatitis B, Hepatitis A
Evaluation of Antibody Persistence & Immune Memory in Subjects Vaccinated During Adolescence With Twinrix™
This study will evaluate the immune response against Hepatitis-A (HAV) and Hepatitis B surface (HBs) antigen in healthy subjects aged 12 to 15 years (at the time of primary vaccination), who received vaccination course with GSK…
- Trial name
- NCT00875485
- Testing
- Blood sampling, Additional challenge dose
- Where
- 2 sites in Belgium, Czechia
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Pulmonary Tuberculosis
Using Biomarkers to Predict TB Treatment Duration
Background: Tuberculosis (TB) is a bacterial lung infection. Typical treatment using anti-TB drugs lasts about 6 months. Some people with less severe TB might not need to take the drugs that long.
- Trial name
- NCT02821832
- Testing
- Saliva collection, Urine collection, Sputum collection
- Where
- South Africa
- Volunteers
- 946 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Diabetes
New Generation Enlite Accuracy Study
The trial will investigate the accuracy and performance of a new sensor for continuous glucose monitoring (CGM), the (new generation) Enlite, CE-marked in 2013, in conjunction with the new Medtronic 640G system components.
- Trial name
- NCT02423798
- Testing
- Glucose sensor (Enlite)
- Volunteers
- 24 people
- Sponsor
- Medtronic MiniMed, Inc.
Colitis, Crohn's Disease
NIH Substudy of AIN457 (Anti-IL-17 Monoclonal Antibody) for Treatment of Moderate to Severe Crohn's Disease
The objective of this NIH-specific substudy is immunologic monitoring of cytokine and immune cell responses in subjects undergoing treatment with AIN457 (human monoclonal anti-human interleukin-17A) for moderate to severe Crohn's…
- Conditions
- Colitis, Crohn's Disease, Inflammatory Bowel Disease
- Trial name
- NCT00936585
- Testing
- Immunologic Monitoring
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Influenza A
Characterizing Late-season Influenza Vaccine Responses to Compare the 2023 and 2024 Vaccine Formulations
Every 1-2 years, the seasonal influenza vaccine composition changes to include updated viruses, yet the precise effects of updating the vaccine remain understudied.
- Trial name
- NCT06567860
- Testing
- Influenza Fluzone vaccine
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- La Jolla Institute for Immunology
Heart Failure, Ventricular Dysfunction, Left
Evaluation of Heart Failure Treatment Guided by N-terminal Pro B-type Natriuretic Peptide (NTproBNP) vs Clinical Symptoms and Signs Alone
The purpose is to study if HF treatment guided by NTproBNP in addition to clinical symptoms and signs is more effective than treatment guided by clinical symptoms and signs alone in patients with HF and left ventricular systolic…
- Trial name
- NCT00391846
- Testing
- Captopril, Enalapril, Lisinopril
- Where
- 39 sites in Sweden
- Volunteers
- 252 people
- Sponsor
- AstraZeneca