PHYSICAL ACTIVITY

This study tests NeoMayor, a smartphone app that gives personalized advice on exercise, diet, sleep, and mood to improve heart health. Researchers will enroll 240 adults aged 55 to 75 in Chile who are at risk for heart problems. Participants use the app for 4 months, and some als…

This study tests a program called Snacktivity, which involves doing very short bursts of moderate exercise—like brisk walking for 2 to 5 minutes, several times a day—to see if it can improve thinking skills and the ability to manage daily health in people aged 60 and older with C…

This study tests a 3-month virtual program called Choose to Move Replacement Ready for people on waitlists for hip or knee replacement due to osteoarthritis. The program offers choice-based physical activity and group support to help participants stay active, reduce pain, and imp…

This study tests whether a 3-month video-based lifestyle program works better when delivered by a patient's own primary care doctor versus an unfamiliar doctor. The program covers healthy eating, physical activity, and behavior change. Researchers will measure blood sugar control…

This study tests a program for new mothers who had high blood pressure during pregnancy. Participants wear a FitBit and receive weekly messages with personalized activity goals. The goal is to see if this approach increases daily steps and improves blood pressure, and whether mom…

This study tests a program called On Track for Wellness, which combines Fitbit activity trackers with health education and goal setting. The goal is to help 365 people recently diagnosed with psychosis improve their sleep and increase physical activity. Researchers want to see if…

This study will test whether giving primary care doctors easy-to-read reports from patients' Fitbits helps them counsel patients with high blood pressure to be more active. About 330 patients and their doctors will take part. The goal is to see if this simple, low-cost approach c…

This study will compare cycling and jogging in 90 adults with gout who have had ankle attacks. Participants will continue standard urate-lowering medication and exercise moderately for 45-60 minutes per session. Researchers will track gout flare frequency, blood uric acid levels,…

This study will test whether placing signs that encourage stair use, with or without upbeat pop music, can persuade more subway passengers to take the stairs instead of the escalator. Researchers will count how many people choose the stairs at a station in Chile. The goal is to s…

This study tests whether an enhanced diabetes prevention program that provides healthy food deliveries, exercise classes, and community resources helps African American adults with prediabetes lose more weight than a standard program. About 408 participants from low-income commun…

This trial tests a 12-week, physiotherapist-led online exercise program called POSH-Ex for women who recently gave birth. The program combines pelvic floor training, breathing exercises, and whole-body movements to improve sexual function and overall well-being. Researchers will …

This study tests a mobile app designed to encourage physical activity in adolescents aged 12-18 who have completed treatment for blood cancers like leukemia or lymphoma. Thirty participants will either use the app or receive usual care. The main goal is to see if a larger study i…

This study tests a program called SHAPE that combines physical activity and nutrition advice for older adults after they leave the hospital for a severe flare-up of chronic lung disease. The goal is to reduce frailty and muscle loss, and improve recovery. About 90 participants wi…

This study compares two exercise approaches—short 'exercise snacks' spread throughout the day versus traditional aerobic exercise—in adults with moderate to severe obstructive sleep apnea. Researchers will measure sleep quality, daytime sleepiness, and physical function over 8 we…

This study tests whether a supervised exercise program, started two weeks before chemotherapy and continued for 16 weeks during treatment, can help adults aged 35 to 65 with breast, lung, or colon cancer tolerate chemotherapy better. The goal is to see if participants can receive…

This study tests whether making weekly action plans for physical activity helps inactive older adults (60+) become more active and improve their memory and thinking. 148 participants will wear Fitbits for 9 months and complete brain games on their phones. Researchers compare thre…

This trial tests whether a smartphone app and smartwatch can help Chinese, Malay, and Indian adults in Singapore improve their physical activity, sleep, and diet. Participants receive personalized digital nudges and complete surveys over 12 months. The goal is to see if these too…

This study looks at how physical activity patterns throughout the day relate to changes in thinking and memory in adults aged 65 and older. Participants wear an activity monitor and complete short cognitive tests and surveys several times a day for one week. They also take part i…

This study looks at how diet, physical activity, and sleep relate to body composition in women in Kazakhstan. About 200 women aged 20 and older will have a DEXA scan to measure fat, muscle, and bone density, and fill out questionnaires. The goal is to build a clearer picture of w…

This study looks at whether university students who exercise regularly have better cognitive awareness, body awareness, and sleep quality compared to those who are sedentary. Researchers will survey 140 students aged 18-25, grouping them by their physical activity levels. No drug…

This pilot study tests whether using a large language model (LLM) AI chatbot can help people increase their physical activity. 39 adults who want to be more active will be split into three groups: one uses the AI on their own, one gets extra guidance on using the AI, and one uses…

This study looks at how severe GERD symptoms are linked to posture problems, muscle pain, and physical activity in adults aged 18 to 65. Researchers will measure symptoms, take posture photos, and ask about pain and exercise. No treatment is given—the goal is simply to understand…

This study looks at whether recommending bed rest to pregnant women with a short cervix actually helps prevent preterm birth. Researchers will compare women who are told to rest with those who continue normal daily activities. The goal is to see if avoiding bed rest is just as sa…

This study looks at whether a program called MAGIC, which adds short physical activity breaks and lessons into the school day, can help elementary students be more active and lower their risk for heart problems. Researchers will track how well teachers use the program and measure…

This study will test whether reducing recreational screen use to 1 hour per day for 4 weeks can improve mental well-being, sleep, and social interaction in 240 young people aged 13 to 24. Participants will either cut their screen time or continue as usual, and researchers will tr…

This study looks at whether a lighter ankle stirrup helps people recover physical activity faster than a standard rigid brace after an ankle fracture. About 280 adults with ankle fractures will wear activity trackers for 12 weeks to measure movement. The goal is to see if allowin…

This study works with 35 primary care clinics to help them screen patients for physical inactivity and refer them to community-based exercise programs. The goal is to see if this approach can be smoothly integrated into routine care and whether it leads to better health outcomes …

This study tests a six-session workshop designed to help female university students find their own motivation to exercise. The program focuses on building confidence, reducing pressure, and promoting a positive body image. Researchers will compare the workshop group to a control …

This study tests whether online programs can help newly retired adults (ages 60-70) become more physically active. 159 participants will be split into three groups: one focusing on identity and habits, one on self-regulation skills, and one on education only. They will wear activ…

This study uses smartphone sensors and health questionnaires to measure physical activity and heart health in 15,000 US adults aged 18 and older. Participants will use an app on their iOS or Android phone to track steps, heart rate, and answer health questions. The study also tes…

This study looks at how one night of partial sleep loss changes appetite, food choices, and physical activity. Researchers will compare regular exercisers and inactive adults after a full night's sleep versus only 3 hours of sleep. The goal is to understand how sleep deprivation …

This study will enroll 16,000 people invited to colorectal cancer screening in Norway. Participants will fill out a diet and lifestyle questionnaire and receive personalized digital feedback on how their habits compare to health recommendations. Some groups get extra support like…