Clinical trials: Exposure
Long-acting Injectable Cabotegravir for PrEP, Oral Pre-Exposure Prophylaxis (PrEP)
BetterInfo on Women's PrEP Choices and Outcomes in Malawi
The purpose of this study is to understand PrEP user choices, preferences and implementation impact of the roll-out of long-acting injectable PrEP alongside oral PrEP among women in Blantyre, Malawi.
- Trial name
- NCT07579754
- Testing
- Tracing Strategy
- Where
- Malawi
- Volunteers
- 384 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Prophylaxis, COVID-19
HEalth Care Worker pROphylaxis Against COVID-19: The HERO Trial
This is a double-blinded, randomized placebo-controlled trial to determine if pre-exposure prophylaxis (PrEP) with 400mg hydroxychloroquine (HCQ), taken orally once daily, for health care workers in the hospital reduces…
- Conditions
- Prophylaxis, COVID-19, Health Care Worker, Hydroxychloroquine
- Trial name
- HERO (NCT04352946)
- Testing
- Hydroxychloroquine Pre-Exposure Prophylaxis
- Where
- United States
- Volunteers
- 374 people, healthy volunteers welcome
- Sponsor
- GeoSentinel Foundation
Venezuelan Equine Encephalomyelitis
Safety and Immunogenicity of Venezuelan Equine Encephalomyelitis Vaccine (VEE C-84) as a Booster to VEE TC-83
The study is designed to assess the safety and immunogenicity of Venezuelan Equine Encephalomyelitis Vaccine, Inactivated, Dried, C-84, TSI GSD 205, as a booster vaccination.
- Trial name
- VEE C-84 (NCT00582088)
- Testing
- VEE C-84
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- U.S. Army Medical Research and Development Command
Skin Cancer, Heat Tolerance
Title: ICARUS - Psycho-physiological Profiling of Low and High Heat-resilient Individuals
The escalating environmental heat-stress associated with global warming is a societal challenge with large and potential harmful consequences for humans.
- Conditions
- Skin Cancer, Heat Tolerance, Heat-related Illness, Hyperthermia
- Trial name
- ICARUS (NCT07510061)
- Testing
- Controlled Heat and Ultraviolet Radiation Exposure Protocol
- Where
- 2 sites in Denmark, Greece
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Thessaly
Smoking
Reduced Exposure Study Using CHTP 1.0 During 5 Days in Confinement.
The overall goal of the study is to demonstrate the reduction of biomarkers of exposure (BoExp) to selected harmful and potentially harmful constituents (HPHCs) in adult smokers switching for 5 days from conventional cigarette…
- Trial name
- NCT02503254
- Testing
- CHTP 1.0, Conventional Cigarette (CC)
- Where
- Poland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Philip Morris Products S.A.
Coronavirus Infection, Hydroxychloroquine Adverse Reaction
Safety And Efficacy Of Hydroxychloroquine For At Risk Population (SHARP) Against COVID-19
The Coronavirus Disease 2019 (COVID-19) pandemic has placed tremendous stress on the global economy since its outbreak in December 2019.
- Trial name
- SHARP COVID-19 (NCT04342156)
- Testing
- Hydroxychloroquine Sulfate 200 milligram (mg) Tab
- Volunteers
- healthy volunteers welcome
- Sponsor
- Tan Tock Seng Hospital
Pre-Exposure Prophylaxis (PrEP)
eSTEP: An Integrated mHealth Intervention to Engage High-risk Individuals Along the Full PrEP Care Continuum
The long-term goal of this research is to develop a theoretically grounded, effective, accessible and sustainable mHealth PrEP care continuum intervention for men who have sex with men (MSM) and transgender women (TW).
- Trial name
- eSTEP (NCT06159582)
- Testing
- eSTEP, Usual Care
- Where
- United States
- Volunteers
- 113 people, healthy volunteers welcome
- Sponsor
- San Diego State University
Heat Stress, Heat Exposure
Validity of Humidity Ramp Protocols for Identifying Limits of Survivability in Heat-exposed Persons
The global populace is at growing risk of heat-related illness due to climate change and accompanying increases in the intensity and regularity of extremely hot temperatures.
- Conditions
- Heat Stress, Heat Exposure, Temperature Change, Body, Temperature; Extreme, Exposure
- Trial name
- NCT05963529
- Testing
- Humidity-ramp protocol, Above-inflection fixed-condition exposure, Below-inflection fixed-condition exposure
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Appetite
Assessment of the Effects of Acute Exposure to Cold and Heat on Appetite
Military personnel and athletes have a very high energy expenditure, which is increased during certain key periods (intense training, competition and missions).
- Trial name
- TEMPCA2 (NCT06809296)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Syphilis Infection, Gonorrhea
The Efficacy of Doxycycline Post Exposure Prophylaxis for Preventing STIs Among MSM in Bangkok, Thailand.
The objective of this research is to evaluate the efficacy and safety of doxycycline in MSM for preventing sexually transmitted infections (gonorrhea, chlamydia, and syphilis) in Thailand Participation in this study will last…
- Conditions
- Syphilis Infection, Gonorrhea, Chlamydia
- Trial name
- ThaiDoxyPEP (NCT07397403)
- Testing
- Doxycycline (200mg/day)
- Where
- Thailand
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Bangrak STIs Center
Allergic Rhinitis
Innate Neutrophilic Nasal Inflammation in a Pollen Exposure Chamber
In this study subjects self recorded nasal and ocular symptoms scores from exposure to ragweed pollen in an Allergen Challenge Chamber (ACC).
- Trial name
- Pollen (NCT03496103)
- Testing
- ragweed pollen
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Tobacco Use
Evaluation of Abuse Liability of Very Low Nicotine (VLN) Mentholated Cigarettes
This study is designed to evaluate the abuse liability of mentholated very low nicotine cigarettes compared to nicotine gum and usual brand cigarettes.
- Trial name
- NCT03559725
- Testing
- VLN menthol cigarettes (A), Usual Brand Menthol Cigarettes (B), Nicotine gum (C)
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- 22nd Century Group, Inc.
Myopia
Pilot Study to Assess the Efficacy of Short Exposure to Defocus to Slow the Progression of Myopia in Children
The objective of this pilot study is to establish whether brief periods of high levels of acutely imposed myopic defocus can be used to slow the progression of myopia in children, as measured by changes in spherical equivalent…
- Trial name
- NCT00400140
- Testing
- Hyperopic lens
- Where
- Singapore
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Healthy, Actinic Keratosis
PEP005 Gel - Evaluation of Local Tolerability After Exposure to Ingenol Mebutate Gel Followed by Hand Washing in Healthy Subjects
The purpose of this phase 1 trial is to investigate the local tolerability on the finger following exposure to PEP005 Gel 0.015% or 0.05% and hand washing once daily, for 2 or 3 consecutive days.
- Trial name
- NCT01302925
- Testing
- PEP005 Gel
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peplin
HIV, Prophylaxis
Pre-Exposure Prophylaxis (PrEP)- Gender Affirming Hormone Therapy (GAHT) Interactions in TGW
This is a research study to determine the best way to dose Truvada®, an oral medication licensed to be taken as Pre-Exposure Prophylaxis (PrEP) to prevent HIV infection, in transgender women who are also taking feminizing…
- Conditions
- HIV, Prophylaxis, Transgender
- Trial name
- NCT04760691
- Testing
- Truvada alone, Truvada plus Leuprolide 11.25mg intramuscular injection, Truvada plus Estradiol 1 mg
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Electronic Nicotine Delivery System Flavors
Potential Effects of Electronic Nicotine Delivery System Flavor Regulations on African American Menthol Smokers
This study aims to better understand how the availability of electronic nicotine delivery system (aka electronic cigarettes) flavors (e.g., menthol, tobacco) impacts tobacco use behaviors, toxicant exposure, and abuse liability…
- Trial name
- RVA Flavors (NCT05023096)
- Testing
- Tobacco product administration and assessment
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Virginia Commonwealth University
Pulp Exposure, Dental
Biodentine Vital Pulpotomy in Immature Molars
This study aimed to evaluate the clinical and radiographic success of pulpotomy in cariously exposed vital immature first permanent molars using calcium hydroxide and calcium silicate-based material (Biodentine ™).
- Trial name
- NCT04989036
- Testing
- pulpotomy
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Cairo University
Active Mild Ulcerative Colitis, Active Moderate Ulcerative Colitis, Healthy Subjects
TD-3504 SAD in Healthy Subjects and Subjects With Ulcerative Colitis (UC)
This study is designed to evaluate the safety, tolerability, and pharmacokinetics (PK) of single-dose TD-3504 and single dose 15N2-tofacitinib in healthy subjects and subjects with UC.
- Trial name
- NCT03103412
- Testing
- TD-3504, 15N2-tofacitinib
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Theravance Biopharma
Suicidal Ideation, Regulation, Emotion
Effect of Morning Light Exposure on Mood
Mood dysregulation and suicidal ideation are closely associated with disruption of sleep and circadian rhythms. Moreover, sleep problems and circadian disruption are commonplace features of military life.
- Trial name
- NCT05616819
- Testing
- Active light exposure
- Where
- United States
- Volunteers
- 480 people, healthy volunteers welcome
- Sponsor
- University of Arizona
Sarcopenia, Dietary Exposure
The Effect of a Multi-intervention Program and Protein Food Sources on Preventing and Mitigating Sarcopenia
Sarcopenia is characterized by loss of skeletal muscle mass and strength with advancing age. It is linked to an increased risk of falls, disability, length of hospitalization, poor quality of life, and burden of health care.
- Conditions
- Sarcopenia, Dietary Exposure, Nutrition, Healthy, Bone Health
- Trial name
- NCT06173271
- Testing
- multi-intervention program and protein foods supplementation
- Where
- Taiwan
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
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