Clinical trials: Exposure
Blood Pressure, Heart Rate Variability
The Cardiovascular Benefits of Reducing Personal Exposure to Air Pollution
Exposure to air pollution is an important risk factor for cardiovascular morbidity and mortality, and is associated with increased blood pressure, reduced heart rate variability, endothelial dysfunction and myocardial ischaemia.
- Trial name
- NCT00809432
- Testing
- Face mask (Dust Respirator), No Face mask
- Where
- China
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Healthy
Melanin and Dermal Uptake of Thirdhand Cigarette Smoke
This is a pilot study of the effects of dermal melanin on dermal uptake and retention of nicotine. The initial hypothesis is that higher levels of dermal melanin will correlate with lower uptake and longer retention of nicotine…
- Trial name
- THS05 (NCT06020248)
- Testing
- Wear clothing that has been exposed to cigarette smoke for 3 hours.
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Birch Pollen Allergy
Comparison of the Influence of Different Skin Conditions on the Allergic Skin Reactivity to Epicutanous Allergen Exposure
It is an open-label physiological investigation of the allergic skin reactivity to epicutaneous allergen exposition in 20 allergic patients in two different skin conditions.
- Trial name
- NCT02074930
- Testing
- Microporation by P.L.E.A.S.E. Professional / Prick needle
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Obesity, Obesity, Abdominal
Environmental Temperature and Human White Adipose Tissue
Obesity is characterized by excessive white adipose tissue (WAT) that increases risk for disease. About 700 million adults are obese worldwide, designating the need of reducing excessive WAT in humans and subsequently the risk…
- Conditions
- Obesity, Obesity, Abdominal, Obese
- Trial name
- NCT04037371
- Testing
- Cold exposure
- Where
- Greece
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Petros Dinas
Tobacco Use Disorder, Nicotine Dependence
Novel Determinants and Measures of Smokeless Tobacco Use: Study 2
The research project will determine the level of nicotine in ST products that will lead to the greatest reduction in toxicant exposure
- Trial name
- NCT01067599
- Testing
- Low nicotine, Medium nicotine, High nicotine
- Where
- 2 sites in United States
- Volunteers
- 278 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Dermatitis
Infant Fecal Insult Study
The rationale for the study is to better understand the dynamics of skin microflora following skin barrier disruption in an adult dermatitis model.
- Trial name
- NCT02979210
- Testing
- Artificial Fecal Insult, Phosphate Buffered Saline
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Kimberly-Clark Corporation
HIV Prevention
Supporting Oral and Long-acting PrEP Decision Making Among Pregnant Women in Lilongwe, Malawi
Purpose: The overall objective of this pilot study is to evaluate the feasibility, acceptability, and appropriateness of a shared decision-making (SDM) intervention to support personally appropriate decision making about…
- Trial name
- NCT06397690
- Testing
- My Choice for HIV Prevention (MyChoice), Standard of care (control arm)
- Where
- Malawi
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Skeletal Scintigraphy, FDG PET/CT
Radiation Exposure Awareness From Patients Undergoing Nuclear Medicine Diagnostic Scans
This questionnaire is aimed at finding out if patients understand how much radiation they are being exposed to when they have a bone scan (99mTc-MDP)or an FDG PET/CT scan (18F-FDG PET/CT).
- Trial name
- REA (NCT03458585)
- Testing
- Self-administered questionnaire
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Royal Marsden NHS Foundation Trust
Dermatitis
Prevalence of Skin Sensitization and Dermatitis Among Epoxy-exposed Workers in the Wind Turbine Industry.
The goal of this observational study it to learn about the prevalence of skin sensitization and dermatitis among epoxy-exposed workers in the wind turbine industry.
- Trial name
- EPOXY (NCT05891743)
- Testing
- Patch Test
- Where
- Portugal
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- Siemens Gamesa Renewable Energy Blades, S.A.
Immunity, Humoral
Characterization of Human Immune Signatures to Zoonotic Virus Exposure in Cambodia
This is a biospecimen procurement protocol to characterize the immune response to zoonotic virus exposure in healthy adult humans aged 18 to 65 years with high-risk exposure to animals or their excreta (e.g., guano farming and…
- Trial name
- Camzoo (NCT06680843)
- Testing
- Whole blood collection
- Where
- 5 sites in Cambodia
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Oxidative Stress, DNA Damage, Radiation Induced
Multi-Nutrient Supplement for Radio-Protection
Exposure to radiation, such as during routine CTs, bone scans, or X-rays, causes oxidative stress which can damage the DNA (your genetic material) within your white blood cells.
- Conditions
- Oxidative Stress, DNA Damage, Radiation Induced, Radiation Exposure
- Trial name
- MNSRP (NCT04781868)
- Testing
- Multi-nutrient supplement
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- McMaster University
Post-traumatic Stress Disorder
Written Exposure Therapy to Improve Recovery Among Sexual Assault Survivors
The main objective of this pilot trial is to determine the feasibility and initial efficacy of telehealth-delivered written exposure therapy to reduce the development of posttraumatic stress disorder after sexual assault.
- Trial name
- NCT06571513
- Testing
- Written Exposure Therapy, Unemotional Writing
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Chronic Obstructive Pulmonary Disease
Associations Between Air Pollutants Exposures and Respiratory System Study
Epidemiological investigations has suggested exposure to air pollution linked with respiratory disease, especially chronic obstructive pulmonary disease. However, the potential mechanisms of adverse effects remains scare.
- Trial name
- NCT02964117
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Maternal Exposure, Maternal Exposure During Pregnancy
GenerationGemelli: Longitudinal Study for the Evaluation of the Maternal Exposome on the Health of the Newborn and Child
The study involves the establishment of a case-control study within a birth cohort. With approximately 4,000 annual deliveries, the aim is to enroll 140 cases (newborns with intrauterine growth restriction [IUGR] and premature…
- Trial name
- GenGem (NCT06617650)
- Where
- Italy
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Psychological Stress, Anxiety
NeuroFinance Human Stress Trial During Financial and Informational Volatility
The NeuroFinance Human Stress Trial (NFHST-2026-001) is a decentralized observational clinical study designed to evaluate how financial market volatility, economic uncertainty, digital media exposure, and information-driven…
- Conditions
- Psychological Stress, Anxiety, Emotional Stress, Autonomic Nervous System Dysfunction
- Trial name
- NFHST (NCT07622589)
- Testing
- Wearable Physiologic Monitoring Platform
- Where
- United States
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- Truway Health, Inc.
Hiv, Contraception Behavior
TwySHE - An Mhealth Peer-navigator Intervention to Increase PrEP and Contraceptive Use
The goal of this clinical trial is to learn if the TwySHE intervention can increase the use of HIV prevention in at-risk female university students aged 18-24 in Zambia.
- Trial name
- NCT06852508
- Testing
- TwySHE
- Where
- Zambia
- Volunteers
- 324 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Amenorrhea
Determination of the Lowest, Safe and Effective Dose of Proellex
The purpose of this study is to determine the effects of five different doses of Proellex on menses, ovulation, liver function, and steady state exposure in women of reproductive age.
- Trial name
- NCT01187043
- Testing
- Proellex
- Where
- United States
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Repros Therapeutics Inc.
Cold Exposure
Comparison of the Analgesic Effects of Acupuncture and Modulated Electroanalgesia in Cold Induced Pain
Physiotherapy offers a range of therapeutic modalities for pain management including Transcutaneous Electrical Nerve Stimulation (TENS), Interferential current (IC) and Acupuncture.
- Trial name
- NCT01483885
- Testing
- Transcutaneous Electric Nerve Stimulation, Interferential Current, Manual Acupuncture
- Where
- Brazil
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Piauí
Disorder of Blood Gas, Bleeding Disorder
Blood Gas and Bleeding Disorders in Healthy Volunteers Exposed to Nitroglycerin and Nitrogen Compounds
The aim of the study was to investigate the possible relationship about blood gas and bleeding disorders in healthy volunteers of blasters and no blasters groups of the Italian National Mountain and Cave Rescue who handled…
- Trial name
- NCT04201860
- Testing
- Arterial blood gas analyses and haemostasis measures
- Where
- Italy
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Emiliano Petrucci
Exposure to Hepatitis C Virus
Investigative Mathematical Modeling of Hospital Transmission of Hepatitis C
This project is a prospective observational cohort study to quantify the risk of acquiring Hepatitis C virus (HCV) infection for patients and healthcare workers in Ain Shams University Teaching Hospital, Cairo, Egypt through: 1)…
- Trial name
- IMMHoTHep (NCT02826447)
- Where
- Egypt
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- ANRS, Emerging Infectious Diseases
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