Clinical trials
Control clinical trials
Below are recruiting control clinical trials, each written for real people, not researchers. We’re tracking 3,039 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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+ - NCT04188808Recruiting
Study comparing patients with artery disease before surgery
This study looks at people with blocked leg arteries who are having planned (elective) open surgery for symptoms like leg pain when walking or at rest. It aims to better understand what to expect in these patients and how to compare outcomes between groups.
GothenburgAges Any age - NCT04206748Recruiting
Remote glucose monitoring for diabetes during pregnancy
This study tests whether a remote glucose monitoring device, used alongside your usual glucose meter, can help manage blood sugar during pregnancy. It may be helpful if you have gestational diabetes or type 2 diabetes in pregnancy and can start before about 30 weeks.
Houston, TexasAges 18 years+ - NCT04212780Recruiting
Testing a smarter DBS system for severe essential tremor
This trial tests an upgraded deep brain stimulation (DBS) system that can “sense” tremor and adjust treatment in a loop. It’s designed for people with severe essential tremor whose tremor is still disabling despite standard DBS and medication.
Gainesville, FloridaAges 21–99 - NCT04226716Recruiting
Studying pelvic pain causes in multiple or first pregnancies
This study looks at why pelvic girdle pain happens during pregnancy, focusing on body sensing (proprioception), stress factors, and inflammation. You may be able to help researchers understand the causes and who is most at risk.
HasseltAges 18–40 - NCT04234971RecruitingPhase 4
Compare costs of bone grafting for cleft jaw repair
This study looks at whether alveolar bone graft surgery is cost-effective for people with cleft lip and palate. It may help clinics choose the most practical approach for the best outcomes while managing overall costs.
Houston, TexasAges 6–15 - NCT04240652Recruiting
Diabetes eye screening and prevention program for eye disease
This program aims to screen people for diabetic eye problems early and help prevent vision loss over time. It may help you if you have type 2 diabetes (or you’ve been invited as a diabetes/non-diabetes participant) and can safely take part in the study activities.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT04252547Recruiting
Skin-to-skin care during weighing for preterm babies
This study tests whether “kangaroo care” (skin-to-skin holding) affects how test weights are done for preterm babies in the NICU. It may help staff get more accurate weights and support parents during care.
Istanbul, IstanbulAges 7 months–9 months - NCT04268199RecruitingPhase 2
At-home chemotherapy teaching for people with myeloma
This study tests whether people with symptomatic myeloma can safely learn to give themselves chemotherapy at home. It aims to make treatment easier while tracking safety and whether treatment is done correctly.
Calgary, AlbertaAges 18 years+ - NCT04271527Recruiting
Compare two prostate biopsy guidance methods in men with PSA rise
This trial tests whether using a “cognitive” approach versus a software-guided approach to plan a prostate biopsy is just as effective. It may help improve how biopsies are targeted for men with PSA changes and/or abnormal prostate exams.
Shanghai, Shanghai MunicipalityAges 18 years+ - NCT04275362Recruiting
Walking analysis after a specific knee replacement design
This study looks at how people walk after receiving a particular total knee replacement design. It compares movement patterns (gait analysis) to help understand how well the knee works in real life.
Phoenix, ArizonaAges 50 years+ - NCT04275726Recruiting
Myval heart valve study for adults needing TAVI
This trial studies whether the Myval THV (a new heart valve) is safe and effective for adults who need TAVI, a procedure to replace a narrowed heart valve without open-heart surgery. You may be considered if a heart team says you’re a good candidate for this valve procedure and you’re willing to join the study.
MinskAges 18 years+ - NCT04276922Recruiting
Creative arts program to reduce healthcare burnout
This study tests a creative arts program to help reduce burnout symptoms in people who work in hospitals. If you’re feeling emotionally drained or disconnected at work, participating may help you build coping and well-being skills.
Aurora, ColoradoAges 18–85 - NCT04284397RecruitingEarly Phase 1
Study of safe temperature conditions for adults
This early study looks at which hot or cold environments are safest and most challenging for adults who don’t have symptoms of disease. It may help improve safety guidelines so older adults can exercise or be exposed to temperature changes more safely.
University Park, PennsylvaniaAges 18 years+ - NCT04300998Recruiting
CAR-T therapy study for older adults
This study looks at how well CAR-T cell therapy works and how safely it can be given to older adults. It is for people whose cancer or related blood condition has come back or did not respond, and who are receiving a standard (commercial) CAR-T product.
New York, New YorkAges 60 years+ - NCT04312412Recruiting
Follow-up of treatment for finger tendon injuries
This study looks at outcomes—how well treatment works—after injuries to the finger or thumb flexor tendons. If your injury happened in a certain location of the tendon and you meet other safety criteria, your care and results may help improve future treatment.
Zurich, Canton of ZurichAges 18–75 - NCT04319367RecruitingPhase 2
Antibody treatment added to HIV meds for early HIV
This Phase 2 trial tests whether adding long-acting HIV antibodies to standard HIV treatment (ART) can help control HIV in people who started ART soon after getting infected. It also checks how safe the antibody treatment is and how well it works over time.
AarhusAges 18–60 - NCT04328948RecruitingPhase 3
Preventive radiation for early esophagus cancer after chemoradiation
This Phase 3 trial tests whether giving preventive (prophylactic) radiation reduces cancer coming back in people with early esophagus cancer after standard chemoradiation. It may help by lowering the chance that microscopic cancer spreads to nearby areas.
TokyoAges 20 years+ - NCT04333706RecruitingPhase 1/Phase 2
Sarilumab plus capecitabine for certain breast cancers
This trial studies whether adding sarilumab to capecitabine can shrink or control metastatic or high-risk breast cancer that lacks HER2 and is either triple-negative or hormone-resistant. It aims to find a safe dose first, then look at how well the treatment works compared with historical results.
Los Angeles, CaliforniaAges 18–99 - NCT04354649RecruitingPhase 2
Test triage and treatment for immune-related arthritis from immunotherapy
This trial studies how doctors assess and manage immune-related arthritis or joint pain that happens after PD-1/PD-L1 cancer immunotherapy (sometimes with CTLA-4). It may help people get faster, more targeted care while monitoring safety.
Edmonton, AlbertaAges 18 years+ - NCT04358913Recruiting
MRI scan study during radiation treatment planning
This study looks at how an MRI scanner can be used alongside a radiation treatment machine to plan therapy. It may help improve how radiation is targeted, though joining is mainly about whether you can safely and comfortably complete the MRI scans.
Edmonton, AlbertaAges 18 years+ - NCT04399707Recruiting
Nerve-pain device study for pain after C-section
This study tests whether a small skin electrical nerve stimulator (called TENS) can reduce pain after a planned or not-urgent C-section. You may be more likely to have less pain and use fewer pain medicines if the TENS helps you.
Honolulu, HawaiiAges 18 years+ - NCT04415203Recruiting
Treatment for frequent extra heartbeats using a simple patch
This trial tests a non-surgery treatment (using a skin patch) for people who have frequent extra heartbeats coming from the heart’s lower chambers. It’s meant to see whether the patch reduces symptoms or abnormal heart rhythm compared with usual care.
Beijing, Beijing MunicipalityAges 18–75 - NCT04427189Recruiting
Diabetes registry for children and teens with better care
This study builds a diabetes “registry” to better understand how diabetes is managed in children and teens. Your information helps create reference centers and improve care, and you must be willing to follow study instructions.
Hanover, Low SaxonyAges Any age
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Common questions
- Are there clinical trials for control?
- Yes. Clin2 currently lists 3,039 recruiting control 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 control 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 control 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.