Clinical trials: Exposure
Obsessive-Compulsive Disorder
Development of Adaptive Deep Brain Stimulation for OCD (Phase 1a)
This research study is for participants that have been diagnosed with intractable Obsessive -compulsive disorder (OCD). OCD is a persistent and oftentimes disabling disorder marked by unwanted and distressing thoughts…
- Trial name
- NCT03457675
- Testing
- Activa PC+S DBS implant for OCD, One Month Blinded Discontinuation Period
- Where
- 3 sites in United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Necrotizing Enterocolitis
Probiotics in the Management of Necrotizing Enterocolitis in HIV-exposed Premature Infants
A randomized, double blind, placebo controlled clinical trial was conducted in the neonatal high care unit of Tygerberg Children's Hospital (TBCH) Cape Town, South Africa for the period July 2011 to August 2012.
- Trial name
- NCT01868737
- Testing
- Probiotic
- Where
- South Africa
- Volunteers
- 184 people, healthy volunteers welcome
- Sponsor
- University of Stellenbosch
Healthy, Elderly
A Study to Evaluate Safety, Tolerability, Plasma Drug Levels, and Cognitive Response Following Multiple Doses of a Drug in Healthy Elderly Participants.
Evaluate the safety and tolerability of PF-04447943 after administration of multiple doses in healthy elderly participants. Evaluate plasma drug levels and effects on cognition.
- Trial name
- NCT00832052
- Testing
- PF-04447943
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Pfizer
Systemic Exposure to Sunscreen Ingredients
Assessment of the Human Systemic Absorption of Sunscreen Ingredients
This study is designed to assess the systemic exposure and pharmacokinetics of sunscreen active ingredients (avobenzone, oxybenzone, ecamsule, octocrylene homosalate, octisalate and octinoxate) when sunscreen product is applied…
- Trial name
- NCT03582215
- Testing
- Part 1: Cream, Part 1: Lotion, Part 1: Spray 1
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Exposure to Pollution, Inhalation of Ozone
Epigenetic Effects of Diesel Exhaust and Ozone Exposure
Purpose: The purpose of this protocol is to compare the genetic and epigenetic effects between diesel exhaust and ozone exposure in healthy individuals and in mild/moderate asthmatics.
- Trial name
- Lamarck (NCT01492517)
- Testing
- Ozone exposure, Diesel exhaust, Ozone18
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Environmental Protection Agency (EPA)
Open Burn Pit Exposure
DNA Methylation Markers in Veterans Exposed to Open Burn Pits
Background: The VA and DoD estimate that 3.5 million Veterans and Service Members were exposed to open burn pits used for waste disposal during military deployments to countries such as Kuwait, Afghanistan, and Iraq since 1990.
- Trial name
- NCT06305091
- Testing
- Health survey for physical and mental health comorbidities, epigenetic marker and heavy metals in blood and urine samples
- Where
- United States
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Central Arkansas Veterans Healthcare System
Skin Inflammation, Skin Melanoma
Effects of Ultraviolet B Exposure Using a Ultraviolet Skin Care Device on Vitamin D Production and Immune Response in Healthy Adults
Vitamin D regulates various physiological functions, including calcium homeostasis, bone health, and potentially reducing cancer risks.
- Trial name
- NCT06625918
- Testing
- Ultraviolet B exposure to produce vitamin D synthesis
- Where
- South Korea
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Wonju Severance Christian Hospital
Women Who Are Aged 18-49 Years, Able to Read, Write
Reducing Endocrine-Disrupting Chemical Exposure in Reproductive-Age Women: A Pender Model-Based RCT
Abstract Background: Endocrine-disrupting chemicals (EDCs) are widely encountered in daily life and may adversely affect reproductive health.
- Conditions
- Women Who Are Aged 18-49 Years, Able to Read, Write, Voluntarily Agree to Participate in the Study
- Trial name
- NCT07773233
- Testing
- Intervention Group
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Harran University
Hiv
Finishing HIV Project
This study aims to learn how to help enable healthy behaviors and lower the risk of HIV among Latinx Men.
- Trial name
- NCT06406049
- Testing
- Control group-Standard Health Promotion, Social network intervention
- Where
- United States
- Volunteers
- 624 people, healthy volunteers welcome
- Sponsor
- University of Miami
Overweight, Obesity
Pain and Acetaminophen in Women Study
The purpose of this study is to evaluate the influence of acetaminophen on pain response and inflammation.
- Conditions
- Overweight, Obesity, Healthy Adults
- Trial name
- PAWS (NCT04573426)
- Testing
- Acetaminophen, Weight stigma vignette, Control vignette
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Dental Caries in Children, Diet Habit
Maternal Control of the Child's Feeding, Child's Eating Behavior and Early Childhood Caries in Preschoolers
Dental caries in children is considered one of the most prevalent oral diseases of this age group, leading to significant manifestations presenting as pain, interference with feeding, higher risk of developing dental caries in…
- Conditions
- Dental Caries in Children, Diet Habit, Dietary Exposure, Eating Behavior
- Trial name
- NCT06898918
- Where
- Egypt
- Volunteers
- 208 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Shisha
Developing and Pilot Testing an Intervention to Reduce Household Shisha Smoke Exposure Within Somali Homes
Previous qualitative research among Somali American adults in Minnesota have identified high levels of hookah or shisha (hereafter shisha) use in Somali households.
- Trial name
- NCT06316947
- Testing
- CHW-delivered intervention
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Healthy Volunteers
The Influence of Skin Pigmentation on UVB Induced Vitamin D Increase
Skin pigmentation (melanin) absorbs ultra violet type B (UVB) radiation found in sunlight and is believed to be responsible for darker-skinned persons' generally low 25(OH)D status.
- Trial name
- NCT03409510
- Testing
- UVB radiation
- Where
- Denmark
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Kidney Stone, Oxidative Stress
Lime Powder Regimen in Healthy Volunteers
The study aims to investigate the pharmacokinetic parameters and its antioxidative effects in Thai healthy men.
- Trial name
- LimePKphase1 (NCT01273025)
- Testing
- Lime powder regime
- Where
- Thailand
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Hypogeusia
Free Fatty Acids: Short Exposure Study
This study will examine whether or not short, daily exposures change a person's ability to detect free fatty acids in a solution by its taste. Repeated exposure should improve a person's ability to detect free fatty acids.
- Trial name
- NCT01686113
- Testing
- NEFA, Sucrose
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Purdue University
Anthrax
BARDA Securing Anthrax Immunity For the Elderly
This study is designed to assess the safety and ability of BioThrax and AV7909 anthrax vaccines to generate an immune response in adults ≥ 66 years of age in stable health in comparison to adults 18-50 years of age in stable…
- Trial name
- B-SAFE (NCT03518125)
- Testing
- BioThrax, AV7909
- Where
- 4 sites in United States
- Volunteers
- 305 people, healthy volunteers welcome
- Sponsor
- Biomedical Advanced Research and Development Authority
HIV-1-infection
Uganda PrEP and Harm Reduction Evaluation
This is an evaluation of programs to integrate PrEP into existing services for PWUD. PrEP will be delivered according to Uganda national guidelines and data from national monitoring and evaluation forms will be leveraged to…
- Trial name
- NCT05040308
- Testing
- Integrating PrEP delivery
- Where
- Uganda
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of Washington
Postpartum Hemorrhage
Effect of Magnesium Sulphate Pre-exposure on Oxytocin-induced Contractility in Desensitized Human Myometrium - an in Vitro Study
Postpartum hemorrhage (PPH) is the loss of more than 500ml of blood within 24 hours after delivery. It is a major cause of maternal morbidity and mortality across the globe.
- Trial name
- NCT02647268
- Testing
- Oxytocin, Magnesium Sulphate
- Where
- Canada
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Sensitivity, Contact, Photosensitivity
Dermatological Assessment of Primary Dermal Irritability Accumulated, Sensitization, Photoallergy and Photosensitization of a Scar Gel
Evaluate the potential of Primary Dermal Irritability, Accumulated Dermal Irritability, Dermal Sensitization, Photoallergy and Photosensitization, of health products through the application of Patch Test, proving the safety of…
- Conditions
- Sensitivity, Contact, Photosensitivity, Phototoxicity
- Trial name
- NCT06723340
- Testing
- Scar gel
- Where
- Brazil
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Herbarium Laboratorio Botanico Ltda
Graft Versus Host Disease, Hematologic Neoplasms
Optimizing PTCy Dose and Timing
Background: Stem cell or bone marrow transplants can cure or control blood cancers. Sometimes the donor cells see the recipient's body as foreign. This can cause complications.
- Trial name
- NCT03983850
- Testing
- Busulfan, Fludarabine, Cyclophosphamide
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
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