Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,134 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07121595RecruitingPhase 2
Personalized neck radiation for mouth cancer with sentinel node biopsy
This study tests whether a personalized approach to radiation therapy after surgery, guided by a special lymph node biopsy (sentinel node biopsy), can effectively treat mouth cancer while reducing side effects. It is for people whose cancer is on one side of the mouth and has not spread to the other side of the neck or beyond.
Ann Arbor, MichiganAges 18 years+ - NCT07124611Recruiting
Emotional support study for pancreatic cancer patients
This study offers a brief psychological intervention to help patients with pancreatic cancer manage emotional well-being before surgery. It is designed for newly diagnosed patients who are starting chemotherapy before surgery.
Columbus, OhioAges 18 years+ - NCT07119086Recruiting
Arbovirus infection study in the Indian Ocean
This study looks at patients with suspected, probable, or confirmed arbovirus infections (like dengue, chikungunya, or Zika) to understand what factors lead to hospitalization and how severe the illness can be. It may include adults, children, and even newborns if they might have been exposed.
Saint-PierreAges Any age - NCT07124546Recruiting
Acceptance and commitment therapy for cancer distress
This trial tests a type of counseling called acceptance and commitment therapy (ACT) to help people with incurable cancer feel less distressed. It is done in a group over the internet, so you can join from home.
Rochester, MinnesotaAges 18 years+ - NCT04723498Recruiting
Internet use study for children and teens
This study looks at how problematic (hard-to-control) internet use shows up in children and teens. It may help clinicians understand the patterns of use and improve support for young people and families.
Zurich, Canton of ZurichAges 8–18 - NCT07111234Recruiting
Studying flavored nicotine pouches to understand user preferences
This study tests different flavors and cooling agents in oral nicotine pouches to see which ones people prefer. It may help develop safer alternatives for people who currently smoke cigarettes.
Columbus, OhioAges 21 years+ - NCT07105995Recruiting
Chewing test with different foods for dental students
This trial studies how different foods affect jaw movement and tooth contact in healthy people. You may qualify if you are a dental student at Istanbul University with natural teeth and no jaw problems.
Istanbul, Süleymaniye FatihAges 18 years+ - NCT07112690Recruiting
Nerve block for radiation pain during anal cancer treatment
This study tests a nerve block procedure (ganglion impar neurolysis) to reduce severe pain caused by radiation therapy for anal or perianal skin cancer. It may help you manage pain while you continue your cancer treatment.
Atlanta, GeorgiaAges 18 years+ - NCT07111793Recruiting
Study of severe bacterial infections in children
This study looks at children who had a severe bacterial infection in the past to understand why some get very sick. It may help find better ways to prevent or treat these infections in the future.
Nantes, Loire AtlantiqueAges Any age - NCT07110324Recruiting
Understanding long-term pain after hip or knee replacement
This study looks at people who still have moderate to severe pain months after a hip or knee replacement. The goal is to learn more about what causes this pain and how it feels, which could help improve future treatments.
Østerbro, København ØAges 18 years+ - NCT07101445RecruitingPhase 4
Comparing steroids to prevent reactions to motixafortide in multiple myeloma
This trial tests two different steroid medicines (methylprednisolone and dexamethasone) to see which works better at preventing side effects from motixafortide, a drug used to help collect stem cells for a stem cell transplant in people with multiple myeloma.
Atlanta, GeorgiaAges 18 years+ - NCT05993351Recruiting
Concussion assessment using MRI and blood tests
This study uses MRI scans and blood tests to measure brain recovery after a concussion. It will help doctors understand how concussions affect the brain and find better ways to diagnose them.
Hamilton, OntarioAges 9–50 - NCT07094061Recruiting
Brain response to reward cues in young adults
This study looks at how the brain reacts to cues that signal rewards in young adults ages 18 to 22. Participants will do computer tasks and have an MRI scan to understand differences in how people respond to reward-related signals.
Ann Arbor, MichiganAges 18–22 - NCT07087860RecruitingPhase 2
Plasma exchange plus targeted therapy for advanced bladder cancer
This trial tests a procedure called therapeutic plasma exchange (TPE) combined with the drugs enfortumab vedotin and pembrolizumab for people with advanced bladder cancer that has stopped responding to standard treatments. The goal is to see if TPE helps the drugs work better.
Rochester, MinnesotaAges 18 years+ - NCT07091864Recruiting
Glucose monitoring for brain tumor patients
This study tests whether using a continuous glucose monitor (a small device that tracks blood sugar levels) can help manage high blood sugar in people newly diagnosed with glioblastoma, a type of brain cancer. It aims to see if this monitoring can improve overall health during treatment.
Phoenix, ArizonaAges 18 years+ - NCT07094074Recruiting
Walking and balance study for leg amputees
This study looks at how people who have lost a leg walk, balance, and move with an artificial limb (prosthesis). Participating helps researchers understand how to improve prosthetic devices and rehabilitation.
DijonAges 18 years+ - NCT07094750Recruiting
Comparing treatment intensities for less fit adults with AML
This study compares different treatment intensities for adults with acute myeloid leukemia (AML) who are less able to handle strong chemotherapy. It aims to find the best approach for people with health issues like heart or lung problems that make standard chemo riskier.
Seattle, WashingtonAges 18 years+ - NCT07089095Recruiting
Choosing rehab after a stroke: your preferences matter
This study looks at what matters to you when choosing rehabilitation care after a recent stroke. By joining, you can help doctors understand how to better support people like you in recovery.
TaipeiAges 18 years+ - NCT07089953Recruiting
Does the doctor's computer use affect your visit?
This study looks at whether a small change in how doctors use electronic health records can improve how compassionate and professional they seem during your clinic visit. If you join, you would fill out a short survey after your appointment.
Houston, TexasAges 18 years+ - NCT06975709Recruiting
Link between jaw pain and sleep problems
This study looks at how jaw joint disorders (TMJ) are related to sleep issues like insomnia, sleep apnea, or restless legs. If you have a sleep disorder, you may help researchers understand the connection.
Milan, ItalyAges 18 years+ - NCT07079930RecruitingPhase 1
Study on psilocybin and D-serine safety in healthy volunteers
This trial tests whether a combination of psilocybin and D-serine is safe and affects mood and thinking. It's for healthy people who want to help research on psychedelics.
JerusalemAges 25–60 - NCT07068074RecruitingPhase 3
Comparing less invasive surgery to standard care for older adults with early-stage melanoma
This trial compares less invasive procedures with the current standard treatment for early-stage melanoma in adults 75 and older. The goal is to find out if these less invasive options work just as well and help patients recover better.
Birmingham, AlabamaAges 75 years+ - NCT07075380Recruiting
National survey on physical activity in adults with epilepsy
This survey study asks adults with epilepsy about their physical and sports activity. Your answers will help researchers understand how exercise affects people with epilepsy.
Tain-l'HermitageAges Any age - NCT07067658Recruiting
Monitoring leg swelling in heart failure to reduce hospital stays
This trial tests a new home monitoring device for people with heart failure and leg swelling. The device helps track fluid changes early, so you may be able to avoid hospital stays.
Aylesbury, BuckinghamshireAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,134 recruiting questionnaire 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 questionnaire 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 questionnaire 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.