Clinical trials
Comorbidity clinical trials
Below are recruiting comorbidity clinical trials, each written for real people, not researchers. We’re tracking 118 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07680842Recruiting
Non-invasive ultrasound for drug-resistant epilepsy
This study tests a non-invasive focused ultrasound treatment for people with epilepsy that doesn't respond to medications. The goal is to see if this gentle ultrasound can reduce seizures without surgery.
San Francisco, CaliforniaAges 21–65 - NCT07252427Recruiting
Gut bacteria in IBD with or without depression
This study looks at how the bacteria in your gut (gut microbiome) may differ between people with IBD who also have depression and those who don't. It aims to help understand the link between gut health and mood.
Jinan, ShandongAges 18 years+ - NCT07269561Recruiting
Headache registry and long-term follow-up study
This trial is a registry study that tracks people with various headache disorders over time. It aims to learn more about how headaches affect patients and to improve future care.
Wuhan, HubeiAges 6–70 - NCT07285187Recruiting
Vein congestion and confusion after heart surgery trial
This trial looks at how blood backing up in veins after heart surgery might relate to delirium (sudden confusion). It uses a special ultrasound to check vein blood flow and then watches for confusion afterward.
Yangzhou, JiangsuAges 18 years+ - NCT07289555Recruiting
Customized SADI-S surgery after sleeve gastrectomy
This trial tests a new, customized version of a weight-loss surgery called SADI-S for people who had a sleeve gastrectomy before but need more help losing weight or keeping it off. The goal is to see how safe and effective this tailored surgery is.
Cairo, Greater CairoAges 18–65 - NCT07315386Recruiting
Study of catatonic syndrome in adults at Basurto Hospital
This study looks at how often catatonic syndrome occurs in adults treated at Basurto Hospital, what other conditions it's linked to, and what happens in the short term. It helps doctors better understand this serious condition.
Bilbao, VizcayaAges 18 years+ - NCT02703207Recruiting
Sleep apnea and COPD effects in older veterans
This study looks at how sleep apnea affects thinking skills and overall health in older veterans who also have COPD. It may help researchers understand what changes to target to improve daytime functioning and wellbeing.
Detroit, MichiganAges 60–89 - NCT02863757Recruiting
Follow-up study for chronic hepatitis B with fatty liver
This study follows people who have chronic hepatitis B and also have fat buildup in the liver (nonalcoholic fatty liver disease). It’s looking at how these conditions behave over time and what may help, using information collected during follow-up visits.
Hong Kong, Hong KongAges Any age - NCT07461493Recruiting
Cancer health disparities registry and biorepository
This study collects information and blood samples to understand why cancer affects different groups of people differently. By joining, you help researchers find better ways to prevent and treat cancer for everyone.
Flint, MichiganAges 35 years+ - NCT07476469Recruiting
Nerve stimulation for anhedonia and anxiety
This study tests whether a gentle nerve stimulation device (tVNS) placed on your ear can help reduce symptoms of anhedonia (loss of pleasure) and anxiety. You will also have brain scans (MRI) to see how the treatment affects your brain.
BonnAges 18–40 - NCT07483151Recruiting
Heart Surgery and Thinking Changes Study
This study looks at how changes in blood flow (called venous congestion) after heart surgery might affect thinking and memory. It aims to find out if there is a link between how blood returns to the heart and brain function after surgery.
Yangzhou, JiangsuAges 18 years+ - NCT07554235Recruiting
Acupuncture for better sleep in seniors with diabetes and high blood pressure
This trial tests if acupuncture given by village doctors can help older adults with both diabetes and high blood pressure sleep better. It aims to improve sleep quality without using sleep medications.
Taizhou, JiangsuAges 65 years+ - NCT07580183Recruiting
Memory and Brain Function in Epilepsy Surgery
This study examines how the brain recognizes spatial scenes (like rooms or landscapes) in people with epilepsy who may have surgery. Researchers want to understand memory patterns before and after surgery to help predict outcomes.
Sacramento, CaliforniaAges 18–55 - NCT07589647Recruiting
Brain Stimulation for Bipolar Disorder and Weight Management
This study tests whether a small electrical stimulation device targeting a specific brain region (the suprachiasmatic nucleus) can help improve metabolic health and weight in people with stable bipolar disorder who also have obesity. The goal is to see if this approach is safe and effective.
Hangzhou, ZhejiangAges 18–45 - NCT07590635Recruiting
Heart Recovery Program Using Online Health Tools
This study tests a new heart rehabilitation program that combines online tools with personalized support for people who've had heart procedures. It aims to help you recover safely and manage your heart health from home.
BergenAges 18 years+ - NCT07652775Recruiting
Brain stimulation and exercise for memory and mood
This study tests whether combining rTMS (a non‑invasive brain stimulation) with aerobic exercise can improve memory, thinking, and mood in older adults who have mild memory problems and depression. It may offer a safe, drug‑free way to help both brain health and emotional well‑being.
Taipei, Taipei CityAges 65–90 - NCT07353918Enrolling by invitation
Focused ultrasound for epilepsy treatment
This study tests if low-intensity focused ultrasound can calm overactive brain areas in people with epilepsy. It may offer a new way to reduce seizures without surgery or strong medications.
Roanoke, VirginiaAges 18–85 - NCT07077811Enrolling by invitation
Pulsed field ablation for heart failure with preserved pumping strength
This trial tests a new procedure called pulsed field ablation for people who have both persistent atrial fibrillation and a type of heart failure (HFpEF). It aims to see if this ablation safely helps control the heart rhythm.
Nantong, JiangsuAges 18–80 - NCT06958640Enrolling by invitation
Da Qing offspring health study
This study looks at the health of children, grandchildren, and great-grandchildren of people who took part in a diabetes prevention study in Daqing, China. It aims to understand how their family history affects their health over time.
Beijing, Beijing MunicipalityAges Any age - NCT06923683Enrolling by invitation
Social skills treatment for brain injury
This trial tests a treatment called T-ScEmo for people with brain injury who have trouble with social skills and emotions. The treatment involves you and a support person (like a partner or close friend) working together to improve social understanding and behavior.
Boekel, North BrabantAges 18–70 - NCT06652776Enrolling by invitation
Italian COPD patient registry study
This study is creating a registry to better understand Chronic Obstructive Pulmonary Disease (COPD) in Italian patients. It will collect information from people with COPD to improve care and research.
Milan, MilanAges 40 years+ - NCT03413566Enrolling by invitation
Studying health issues in children with cerebral palsy
This study is looking at how common different health problems are in children with cerebral palsy, and which problems often happen together. It may help clinicians plan better care by understanding the most frequent additional needs.
Ages 5–18
Hear when a new Comorbidity trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for comorbidity?
- Yes. Clin2 currently lists 118 recruiting comorbidity 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 comorbidity 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 comorbidity 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.