Clinical trials
Heart Rate Variability clinical trials
Below are recruiting heart rate variability clinical trials, each written for real people, not researchers. We’re tracking 77 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07109076Recruiting
Immediate skin contact after C-section and baby's heart rate
This study looks at how holding your baby skin-to-skin right after a planned C-section affects their heart rate patterns. It may help understand benefits for you and your newborn.
Ljubljana, LjubljanaAges birth+ - NCT07548723Enrolling by invitation
Nerve Stimulation Device Reliability Study
This study tests how reliably a small ear-stimulation device measures heart-rhythm patterns. Researchers want to see if the device gives consistent readings across multiple measurement sessions, which could help doctors monitor heart health in the future.
SinopAges 18–40 - NCT06455527Recruiting
Heart-guided brain stimulation for depression
This trial tests whether a non-invasive brain stimulation technique called tDCS, guided by your heart rate, can help improve depression symptoms. If you have mild to moderate depression and are not on medication, you may be eligible.
New York, New YorkAges 18–65 - NCT07443072Recruiting
Heart rate and brain waves to predict recovery after brain surgery
This study monitors your heart rate and brain waves during and after brain surgery to see if they can help doctors predict how well you will recover. It aims to improve care for future patients.
MilanAges 18 years+ - NCT06888284Enrolling by invitation
Tuijing therapy for depression and heart rate
This trial tests whether Tuijing therapy, a non-invasive treatment, can improve heart rate variability and reduce depression symptoms in people who have been feeling depressed for over three months. It may be an option if you haven't used other treatments recently.
Hong KongAges 18–60 - NCT06721312Recruiting
Heart rate tracking for doctor stress
This study uses a smartphone app to track your heart rate changes over time. It aims to understand how doctors' stress and recovery patterns relate to their well-being, resilience, and burnout.
AberdeenAges Any age - NCT07455214Recruiting
Heart rate variability and breathing trial success in ventilated patients
This study looks at whether heart rate patterns can help predict if a person on a breathing machine is ready to breathe on their own. It may help doctors decide the best time to try removing the breathing tube.
New Taipei CityAges 18–85 - NCT07481578Recruiting
Exercise and gut health study for active men
This study looks at how your training load affects your gut bacteria and how that relates to exercise performance and muscle health. It may help understand overreaching in healthy men.
Leuven, Vlaams BrabantAges 18–45 - NCT07739238Recruiting
Breathing Exercises and Heart Health Study
This study tests whether different breathing exercises can improve lung function and heart rate variability in healthy, inactive young adults. It may help you understand how simple breathing techniques can affect your breathing and heart health.
Balıkesir, In the USA Or Canada, Please Select...Ages 18–30 - NCT07737873Recruiting
Movement and brain function after chronic stroke
This study looks at how stroke affects your movement and nervous system over time. You will do simple movement tests and answer quality-of-life surveys to help researchers understand how to improve recovery.
Sacramento, CaliforniaAges 18 years+ - NCT04014829Recruiting
Study of pain processing after planned hysterectomy
This trial looks at how the nervous system and fear of pain may affect pain after a planned hysterectomy. If you qualify, you may be asked about pain levels and pain sensitivity to better understand who may have more pain recovery challenges.
SingaporeAges 21–80 - NCT04712656Recruiting
CPAP treatment for sleep apnea and blood pressure changes
This study tests whether using CPAP (a breathing machine) for obstructive sleep apnea can improve blood pressure and heartbeat timing. You’ll have blood pressure checked at the start and again after 6 months, along with a sleep evaluation to confirm eligibility.
Columbus, OhioAges 30–75 - NCT05917262Recruiting
Mindfulness breathing vs heart-rate training after shoulder surgery pain
This trial compares two non-drug techniques—mindful breathing and heart-rate (HR) biofeedback—to see which helps reduce pain after shoulder surgery. You may be able to join if you have ongoing shoulder pain after surgery and haven’t been using these practices very often.
TaoyuanAges 18 years+ - NCT05950698Recruiting
Study of obesity and bariatric surgery with mental and social factors
This study looks at how personal mental health and life circumstances relate to outcomes after bariatric (weight-loss) surgery. It may help the team understand what supports improve recovery and health after surgery.
Rio de Janeiro, Rio de Janeiro, BrazilAges 18–60 - NCT06011018Recruiting
Mirror Therapy with Electrical Stimulation or Sound Beats after Stroke
This study tests if combining mirror therapy with either gentle electrical stimulation or special sound beats can help improve leg movement and brain activity after a stroke. It is designed for people who had their first stroke at least 6 months ago and have some movement in their leg.
Kaohsiung CityAges 20–80 - NCT06044922Recruiting
Using heart rate to predict brain injury after cardiac arrest
This study looks at how your heart rate changes (heart rate variability) to predict brain injury after a cardiac arrest. It may help doctors identify brain damage earlier so they can provide better care.
Brest, Brittany RegionAges 18 years+ - NCT06101225Recruiting
Relaxation and guided imagery for school kids
This trial studies a relaxation and guided imagery program for children in 3rd and 4th grade. It aims to help students feel calmer and more focused in school.
LisbonAges 7–12 - NCT06107452Recruiting
Personalized heart rehab after a heart attack
This trial tests a personalized heart rehab program based on your muscle strength and heart rate patterns. It aims to improve recovery after a recent heart procedure.
Saint-EtienneAges 18 years+ - NCT06281145Recruiting
Stress reduction for breast or colon cancer patients
This study tests a stress-reducing program for people with breast or colon cancer. It uses a technique called heart rate variability biofeedback to help you manage stress during treatment.
BratislavaAges 18 years+ - NCT06345859RecruitingPhase 2
Brain and emotion study for young adults with or without depression history
This study looks at how the brain regulates mood and body signals in young adults ages 18-27. It includes people who have had depression in the past but are now well, as well as healthy volunteers with no psychiatric history.
Los Angeles, CaliforniaAges 18–27 - NCT06365723Recruiting
Walking in Nature vs. City for Prediabetes
This study compares walking in natural green spaces (like parks) versus walking in built environments (like city streets) for adults with prediabetes. You will be asked to walk three times a week for 30 minutes for 4 weeks in each setting, and researchers will see how your body responds.
Lake Forest, IllinoisAges 25–64 - NCT06422819Recruiting
Heart rate training for functional neurological disorder
This study tests whether heart rate biofeedback (training your heart rate using a smartphone app) can help people with functional neurological disorder (FND) feel better. You will be asked to follow a breathing exercise and report your symptoms over time.
Montreal, QuebecAges 18–70 - NCT06450483Recruiting
Acupuncture for neck pain in college athletes
This study tests whether a type of acupuncture (called auricular vagus nerve stimulation, or AVNS) can help college athletes with neck pain. It looks at how the treatment affects pain, balance, and heart rate. If you’re a healthy college athlete with mild to moderate neck pain and no recent injuries, you may be a good fit.
Sharjah cityAges 18–26 - NCT06480305Recruiting
Evening snacks and pre-breakfast intake in healthy men
This study looks at how eating an evening snack before bed and having a small pre-breakfast meal affects sleep quality, heart rate, and stress levels in healthy men. It may help you understand how meal timing affects your body.
Islamabad, Punjab ProvinceAges 30–50
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Common questions
- Are there clinical trials for heart rate variability?
- Yes. Clin2 currently lists 77 recruiting heart rate variability studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a heart rate variability trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a heart rate variability trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.