Clinical trials: Physiologic Changes
Accommodation
Objective Verification of Physiologic Changes During Accommodation Under Binocular, Monocular, and Pinhole Conditions
The investigators believe that this simple, clear, and objective study may be a great help in understanding the accommodative response during various accommodative stimulation conditions.
- Trial name
- NCT03557346
- Testing
- the WAM-5500 binocular autorefractor/keratometer (Grand Seiko Co. Ltd., Hiroshima, Japan)
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Chung-Ang University Hospital
Obesity, Overweight
A Study of Orforglipron for the Maintenance of Body Weight Reduction in Participants Who Have Obesity or Overweight With Weight-Related Comorbidities (ATTAIN-MAINTAIN)
The main purpose of this study is to evaluate the efficacy and safety of orforglipron on maintenance of body weight reduction in participants who previously completed treatment with injectable tirzepatide (Zepbound) or injectable…
- Trial name
- NCT06584916
- Testing
- Orforglipron
- Where
- 29 sites in United States, Puerto Rico
- Volunteers
- 376 people
- Sponsor
- Eli Lilly and Company
Cognitive Change, Atrophy Brain
Physiologic Volume and Atrophy of Brain and Spinal Cord Measured by Magnetic Resonance Imaging
Spinal cord (SC) involvement is prevalent in multiple sclerosis (MS) and contributes importantly to disease progression. To be able reliably evaluate spinal cord volume and its changes in MS patients we need to understand…
- Conditions
- Cognitive Change, Atrophy Brain, Atrophy; Spinal Cord, Multiple Sclerosis
- Trial name
- NCT03706118
- Testing
- Magnetic resonance imaging
- Where
- Czechia
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Dana Horakova
Cancer Survivors
Comparing Multicomponent and Aerobic Training: Impact on Fitness, Psychological and Quality of Life Parameters in Cancer Survivors Patients
The goal of this clinical trial is to evaluate if a multicomponent training program (MCT), including aerobic and resistance exercises, or an aerobic training program (AT) can improve physiological, physical fitness, mental…
- Trial name
- NCT06853613
- Testing
- Multicomponent Training Protocol, Aerobic Training Protocol
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- University of Bari Aldo Moro
Bradycardia
Effectiveness of Pacemaker With Closed Loop Stimulation Compared to Pacemakers With and Without Standard Rate Response
This is a randomized, prospective, single-blinded, multi-center study involving approximately 1500 patients at 100 centers. The purpose of this study is to demonstrate the effectiveness of Closed Loop Stimulation (CLS) rate…
- Trial name
- CLEAR (NCT00355797)
- Testing
- Closed Loop Stimulation (CLS), Standard Rate Adaptive (R) Technology, Non-rate adaptive (DDD) pacing
- Where
- 99 sites in United States
- Volunteers
- 1,491 people
- Sponsor
- Biotronik, Inc.
Obesity
Investigating Physiological Adaptations to Weight Loss
The purpose of this study is to examine the effect of diet-induced weight loss on the levels of circulating nutrients and hormones which are involved in feelings of hunger and satiety.
- Trial name
- NCT00870259
- Testing
- Optifast VLCD
- Where
- Australia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Melbourne
Heart Failure, Diastolic, Aortic Valve Stenosis
Changes in Cardiac Deformation Following Physiologic Alterations and Inotropic Support.
The investigators want to compare the effects of two drugs, levosimendan and milrinone, on cardiac muscle, both in terms of contractility and relaxation. Half of the participants will be randomized to each drug.
- Conditions
- Heart Failure, Diastolic, Aortic Valve Stenosis, Monitoring, Physiologic, Physiology
- Trial name
- NCT02408003
- Testing
- Levosimendan, Milrinone
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Sahlgrenska University Hospital
Heat Stress, Physiological Stress
Influence of Indoor Humidity on Physiological Strain in Older Adults During a Simulated Heat Wave
Laboratory-based studies show that exposure to high humidity can worsen the effects of heat stress in young and older adults by impeding sweat evaporation - the main mechanism by which the human body cools itself.
- Trial name
- NCT06842953
- Testing
- Simulated indoor overheating
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Body Temperature Changes, Heat Stress
Consecutive Occupational Heat Exposure With and Without Overnight Cooling
Extreme heat events are becoming more frequent, intense, and prolonged, increasing the risk of heat-related illness among workers exposed to hot environments.
- Conditions
- Body Temperature Changes, Heat Stress, Heat Exposure, Heat Fatigue
- Trial name
- NCT07656519
- Testing
- Simulated occupational heat exposure with recovery at recommended indoor temperature limit, Simulated occupational heat exposure with recovery in an overheated indoor environment
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Ottawa
Mild Traumatic Brain Injury
Post-Concussion Differences Between Buffalo Concussion Treadmill Test (BCTT) and Modified Dynamic Exertion (mEXiT) Test
This study aims to compare symptom provocation, physiologic response, and rate of perceived (RPE) between the Buffalo Concussion Treadmill Test (BCTT) and a Modified Dynamic Exertion (mEXiT) test after sport related concussion in…
- Trial name
- NCT06276660
- Testing
- BCTT, Dynamic ExIT
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Pittsburgh
Vaginal Prolapse
Physiologic Elasticity Changes During Pregnancy and After Labor.
Female pregnant patients in their 2nd trimester will be evaluated for vaginal elasticity using vaginal tactile imaging in addition to elasticity evaluation during the 3rd trimester and 6 weeks postpartum.
- Trial name
- NCT03930290
- Testing
- Vaginal tactile imager
- Where
- Israel
- Volunteers
- 12 people
- Sponsor
- Rambam Health Care Campus
Vaccine Reaction
(VIII): The Eight Study and Immunologic Response Sub-study
The study's objective is to test the hypothesis that immune system activation and subsequent systemic inflammation can be detected through continuously tracking multiple bio signals including physiologic variables (ECG, skin…
- Trial name
- NCT05237024
- Where
- 2 sites in United States, Canada
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- physIQ, Inc.
Physiological Stress, Cognitive Performance
Dietary Intervention With Brain-friendly Diet
To evaluate the effect of dietary intervention on metabolic risk profile, and on potential simultaneous changes in physiological and cognitive functions and to collect a unique database using state-of-the-art technologies on…
- Conditions
- Physiological Stress, Cognitive Performance, LDL Cholesterol
- Trial name
- BRAVE (NCT03346486)
- Testing
- Control diet, Intervention diet
- Where
- Finland
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- Fazer Group
Vascular Diseases
Effect of Changing Physiological Conditions on Myogenic Oscillations: Pilot Study
Spontaneous myogenic oscillations will be studied under general anesthesia using finger photoplethysmography. This pilot study will explore potential physiological conditions that will effect the amplitude and/or frequency of…
- Trial name
- NCT03719001
- Testing
- Phenylephrine, Dexmedetomidine, Clevidipine
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of California, San Francisco
Participants of the Be-MaGIC-Study 2009
Prospective Follow-up, Marathon, Long Term, Inflammation and Cardiovascular System
Pro-MagIC is a prospective observational study and includes participants of the Be-MaGIC-Study 2009 (n=277/NCT00933218). We aim to detect exercise-induced physiological changes (inter alia of the cardiovascular system) induced by…
- Trial name
- Pro-MagIC (NCT04166903)
- Where
- Germany
- Volunteers
- 277 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Multiple Sclerosis
Ocrelizumab Effects on Physiological and Cognitive Changes in Multiple Sclerosis
This is a Phase IV, prospective, open-label, single-center, observational, longitudinal, single blinded study. The investigators will examine the effects of Ocrelizumab on cognitive, patient reported outcomes (PROs), quality of…
- Trial name
- NCT03025269
- Testing
- Ocrelizumab
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- University at Buffalo
Infant, Newborn, Weight Loss
Effect of Kangaroo Care on Phyiological Weight Loss in Term Newborns
The aim of the study is to evaluate the effect of kangaroo care on physiological weight loss in term newborns.
- Trial name
- NCT05001334
- Testing
- Kangaroo care training
- Where
- Turkey (Türkiye)
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Istanbul University
Retinal Vascular
Physiologic Changes of Posterior Ocular Segment During the Menstrual Cycle
Changes of luteinizing hormone (LH), estrogen and progesterone during the menstrual cycle influence the ocular physiology in both anterior and posterior segments.
- Trial name
- NCT04731207
- Testing
- Optovue®
- Where
- Thailand
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Dyspareunia
Changes to Vulva, Vestibule, Urethral Meatus and Vagina 20 Weeks Post Daily Prasterone in Women With Dyspareunia
Open label study at a single research center. Subjects meeting inclusion and exclusion criteria will receive 6.5 mg prasterone vaginal inserts daily for twenty weeks.
- Trial name
- NCT03568604
- Testing
- Prasterone
- Where
- United States
- Volunteers
- 18 people
- Sponsor
- San Diego Sexual Medicine
Metabolic Syndrome
Physiological Changes in Adults With Metabolic Syndrome Exposed to Ultrafine Air Particles
The purpose of this study is to examine the acute health effects of concentrated ambient ultrafine (UF) particulate matter (PM) exposure in patients with metabolic syndrome.
- Trial name
- XCON (NCT01475968)
- Testing
- Ultrafine Air Pollution Particulate Matter, Filtered Air
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- David Diaz-Sanchez