Clinical trials
Comorbidity clinical trials
Below are recruiting comorbidity clinical trials, each written for real people, not researchers. We’re tracking 121 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06636058Recruiting
Digital treatment for weight and mood in adults 50+
This study tests a digital program that helps with weight loss and depression at the same time. It is designed for Black, Hispanic, and other adults over 50 who carry extra weight and feel down.
Chicago, IllinoisAges 50–74 - NCT06537921Recruiting
Testing minocycline for depression with obesity
This trial tests whether adding the antibiotic minocycline to your current antidepressant helps people with both depression and obesity. It aims to see if reducing inflammation can improve mood.
LondonAges 18–65 - NCT06521476RecruitingPhase 2
Acetazolamide for sleep apnea in people on opioid treatment
This trial tests if a drug called acetazolamide can help people with central sleep apnea who are also on medication for opioid use disorder. Sleep apnea causes breathing to stop during sleep, and this study aims to see if the drug improves their sleep breathing.
Pittsburgh, PennsylvaniaAges 18–100 - NCT06507527Recruiting
Frailty in older adults having outpatient digestive endoscopy
This study looks at frailty in older adults (70+) who are having an outpatient digestive endoscopy. It aims to understand how frailty affects the procedure and recovery.
BarcelonaAges 70–100 - NCT04950218Recruiting
Study risks of heart problems in people with psoriasis
This study asks adults with psoriasis about factors that may be linked to heart problems. It aims to better understand who is at higher risk, which could help guide future prevention and care.
Hellerup, CopenhagneAges 18 years+ - NCT06439277RecruitingPhase 3
Tirzepatide for teens with obesity and related health problems
This study tests a medication called tirzepatide (a once-weekly injection) to help teenagers with obesity and related health conditions lose weight. It aims to see if the drug is safe and effective for this age group.
Los Angeles, CaliforniaAges 12–17 - NCT05608772Recruiting
Revision weight-loss surgery after failed sleeve
This study looks at which revision surgery works best after a prior sleeve stomach operation that didn’t last. It tests switching to one of three procedures to help with weight regain, and it excludes more severe acid reflux cases.
Alexandria, Alexandria GovernorateAges 18–60 - NCT06419439RecruitingPhase 2
Ketamine for Veterans with Chronic Back Pain and Depression
This study tests whether ketamine, combined with talk therapy, can help veterans with both chronic low back pain and depression. The goal is to reduce pain and improve mood.
Ann Arbor, MichiganAges 18 years+ - NCT06402409Recruiting
Studying multiple health conditions in spinal pain patients
This study looks at people who have neck or back pain along with other health conditions. It aims to understand how these conditions together affect your health and well-being.
AalborgAges 18 years+ - NCT06324188Recruiting
Early ablation for afib to prevent stroke in high-risk patients
This trial tests whether an early procedure (catheter ablation) for atrial fibrillation (AF) can prevent strokes in people with a high risk of stroke. The goal is to see if this treatment is safer and more effective than standard care for patients with other health conditions.
Multiple LocationsAges 18 years+ - NCT03665831Recruiting
Deep TMS for depression and memory problems in older adults
This study tests a type of brain stimulation called Deep TMS to help reduce depression and improve or stabilize memory-related symptoms in older adults with Alzheimer’s disease. It’s mainly for people whose depression did not improve or could not be tolerated with antidepressant medicine.
Toronto, OntarioAges 60 years+ - NCT06015620Recruiting
Health changes after mini gastric bypass surgery
This study looks at how mini gastric bypass surgery helps with obesity-related health problems and changes in body composition. It aims to see if patients experience improvements in conditions like diabetes or high blood pressure.
Bhubaneswar, OdishaAges 18–65 - NCT05783869Recruiting
Bronchiectasis and heart-related conditions study
This study looks at people who have bronchiectasis (long-term lung damage that causes ongoing infections) and focuses on how heart-related conditions may affect outcomes during the study. It may help doctors better understand what to monitor and how to manage risk in people with both lung and heart issues.
AsyutAges 18–80 - NCT05723588RecruitingPhase 2
TMS brain stimulation to help veterans quit smoking with PTSD
This Phase 2 study tests whether targeted brain stimulation (TMS) can improve smoking quit outcomes in Veterans who also have PTSD. It also uses brain imaging (MRI) to understand what changes in the brain may help people quit.
Durham, North CarolinaAges 18–75 - NCT05117255Recruiting
Online therapy study for anxiety in residential alcohol treatment
This study tests an internet-based, interactive version of cognitive behavioral therapy (CBT) for anxiety symptoms. It’s designed for people getting mainly alcohol-focused treatment in a residential program, to see if the online approach works and is feasible for you.
Minneapolis, MinnesotaAges 18–65 - NCT05413122RecruitingPhase 2/Phase 3
Smoking quit support for adults living with HIV in South Africa
This trial tests smoking-cessation interventions to help people living with HIV quit smoking or smoke less. You may be eligible if you smoke, are actively engaged in HIV treatment, and can follow the study for about a year.
Soweto, GautengAges 18 years+ - NCT05352061Enrolling by invitation
HIV support program for people with mental health and life challenges
This study looks at how an HIV treatment and prevention program can be improved for people who have HIV plus psychosocial challenges, especially when HIV is not well controlled. You may be able to join if your HIV is recent and higher than target, and you fit one of the specific participant groups.
Miami, FloridaAges 18 years+ - NCT05240924Recruiting
Exposure therapy program for veterans with OCD and PTSD
This study tests whether a structured therapy approach called Exposure and Response Prevention (ERP) can improve functioning in veterans with OCD, with or without PTSD. You may be eligible if you’re receiving care through certain VA clinics or telehealth hubs and are willing to take part in ERP.
East Orange, New JerseyAges 18 years+ - NCT04943861Recruiting
Study on HIV and food insecurity support
This study is looking at food insecurity in adults living with HIV. It may help improve understanding of the barriers to healthy living and guide better support for people affected by HIV.
Winston-Salem, North CarolinaAges 18 years+ - NCT04748770Recruiting
Kidney Transplant Access for Obese Dialysis Patients
This study looks at whether obese patients who are starting dialysis can safely receive kidney transplants. Researchers want to understand how weight affects transplant success and access to this life-changing treatment.
AmiensAges 18 years+ - NCT04550377RecruitingPhase 2
Cannabidiol for PTSD, including PTSD after mild head injury
This Phase 2 study tests whether cannabidiol (CBD) can reduce PTSD symptoms, including in people who also had a mild traumatic brain injury (TBI). It’s meant to see if CBD is helpful and safe for PTSD symptoms over the study period.
New York, New YorkAges 18–70 - NCT04179981Recruiting
CPAP treatment effects in older COPD and sleep apnea patients
This study looks at whether using positive airway pressure (often called CPAP) improves health outcomes in older adults who have both COPD and obstructive sleep apnea. It may help find ways to reduce symptoms and complications from “overlap” breathing problems.
Detroit, MichiganAges 60 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 - 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
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Common questions
- Are there clinical trials for comorbidity?
- Yes. Clin2 currently lists 121 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.