Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,166 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04251052Recruiting
Compare two surgeries to lower ovarian cancer risk in BRCA1 carriers
This study compares two risk-reducing surgery plans for people with a BRCA1 genetic change to see which approach helps lower ovarian cancer risk. You may be asked to have the study procedure sooner or later depending on your chosen plan.
Birmingham, AlabamaAges 35–50 - NCT06794697Recruiting
Does admission day affect anxiety before heart surgery?
This study looks at whether the day you are admitted to the hospital for planned heart surgery affects your anxiety levels before the operation. The goal is to help hospitals schedule admissions in a way that lowers stress for patients.
RennesAges 18 years+ - NCT05646316RecruitingPhase 3
Sentinel lymph node mapping to reduce leg swelling after surgery
This study tests whether a special way of finding lymph nodes during hysterectomy can lower the risk of long-term leg swelling or related dysfunction in people with stage I endometrial cancer. It compares standard lymph node assessment with sentinel lymph node mapping and looks at how this affects day-to-day leg functioning.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06500117Recruiting
Mindfulness app for quitting smoking
This trial tests a digital mindfulness program on your smartphone to help you quit smoking and stay smoke-free. It's for adults who have a smoking-related health problem and are motivated to stop.
DijonAges 18 years+ - NCT06458764Recruiting
Checking sexual health in younger breast cancer survivors on hormone therapy
This study is checking how hormone therapy affects sexual health in younger women who had early-stage breast cancer. You'll fill out questionnaires about your sexual function and well-being.
Torino, TOAges 18–55 - NCT06431347Recruiting
Study on social factors in transplant care
This study looks at how social and financial challenges affect people getting a transplant or cell therapy at MD Anderson. Researchers want to talk to patients and their caregivers to better understand these challenges and improve care.
Houston, TexasAges 18 years+ - NCT06155344Recruiting
Vegetarian diet during pregnancy and baby health
This study looks at how a plant-based diet during pregnancy might affect the health of the mother and newborn. It asks pregnant women about their eating habits to see if a more vegetarian diet is linked to better outcomes.
Nantes, Loire-AtlantiqueAges 18 years+ - NCT05225792Recruiting
Fast rehab program for leg injuries and amputations
This trial tests a rapid rehabilitation approach for people with certain leg injuries, including amputations and limb salvage, while you are already in standard rehab. It may help improve walking and balance after trauma by using a structured training program.
Rochester, MinnesotaAges 18 years+ - NCT03723928Recruiting
Blood test–guided monitoring for metastatic breast cancer treatment
This study checks whether specific blood “tumor marker” levels can help monitor how hormone receptor–positive, HER2-negative metastatic breast cancer responds to first-line therapy. It uses regular blood tests (and sometimes scans) to see if this marker-based monitoring is useful and reliable.
Anchorage, AlaskaAges 18 years+ - NCT06475989RecruitingPhase 3
Targeted Drug Combo vs. Chemo for Advanced Thyroid Cancer
This study tests a new combination of targeted drugs (dabrafenib and trametinib) compared to chemotherapy (cabozantinib) for people with a specific type of advanced thyroid cancer called BRAF-mutated differentiated thyroid cancer. The goal is to see which treatment works better.
Anchorage, AlaskaAges 18 years+ - NCT07579195RecruitingPhase 1/Phase 2
Consolidation therapy after EV + pembro in bladder cancer
This trial tests whether adding radiation therapy or bladder-removal surgery (consolidation) after EV + pembrolizumab helps control muscle-invasive bladder cancer that has spread. It is for people whose cancer responded to the initial drug combination.
Seattle, WashingtonAges 18 years+ - NCT05976763RecruitingPhase 3
Testing continuous vs. intermittent zanubrutinib for older adults with mantle cell lymphoma
This trial tests whether taking the targeted drug zanubrutinib continuously is better than taking it on a schedule with breaks for older adults with untreated mantle cell lymphoma. The goal is to find a treatment that works while reducing side effects.
Little Rock, ArkansasAges 60 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+ - NCT05874297Recruiting
Online nutrition coaching to help breast cancer chemo side effects
This study tests whether an online nutrition education program can reduce or lessen side effects from chemotherapy in people with breast cancer. If you qualify, you would complete online lessons and questionnaires through the rest of your chemotherapy.
Seattle, WashingtonAges 18 years+ - NCT04269902RecruitingPhase 3
Early treatment check for high-risk CLL/SLL
This Phase 3 trial studies an early treatment approach for people with high-risk CLL or SLL who have not yet needed standard therapy. It aims to see if treating earlier can improve outcomes while keeping side effects manageable.
Birmingham, AlabamaAges 18 years+ - NCT07033390Enrolling by invitation
Study on orthopedic shoe comfort questionnaire
This study tests a new questionnaire that measures how people feel about wearing orthopedic shoes. It aims to make sure the survey is accurate and reliable for Turkish speakers.
Beykoz, IstanbulAges 16–75 - NCT06840262Recruiting
Nerve surgery for pain after cancer amputation
This study tests two surgical techniques—target muscle re-innervation and regenerative peripheral nerve interfaces—alone or together, to help reduce pain felt in the remaining limb or the missing limb (phantom pain) after amputation for cancer. The goal is to find the best way to manage pain and improve quality of life.
Houston, TexasAges 18 years+ - NCT06675136RecruitingPhase 1
Nab-paclitaxel PIPAC with paclitaxel and ramucirumab for stomach cancer spread to belly lining
This trial tests a new way to deliver chemotherapy directly into the belly for stomach cancer that has spread to the lining of the abdomen (peritoneal metastases). It also combines two standard chemotherapy drugs. The goal is to see if this approach can help people whose cancer progressed after first treatment.
Duarte, CaliforniaAges 18 years+ - NCT06525740RecruitingPhase 4
Comparing two pain medicines for gynecologic cancer surgery
This trial compares two different pain medicines (methadone given by mouth or IV vs. hydromorphone given through a spinal injection) after surgery for gynecologic cancer. It aims to find which option provides better pain relief with fewer side effects.
Rochester, MinnesotaAges Any age - NCT06534970Recruiting
Measuring face symmetry after facial reconstruction with 3D photos
This study checks how well the face looks balanced (symmetrical) after people have surgery to rebuild the middle or lower face. It uses a 3D camera to measure results, and the goal is to help improve future surgeries.
MarseilleAges 18 years+ - NCT06565260Recruiting
Exercise and nutrition program for cancer survivors and caregivers
This study offers a community-based program of exercise and nutrition classes for cancer survivors and their caregivers. It aims to help improve health and well-being after cancer treatment.
Buffalo, New YorkAges 18 years+ - NCT06541158Recruiting
Help with transportation for cancer treatment
This study tests a tool to help patients with solid tumors who are getting radiation therapy overcome transportation problems. If you have trouble getting to appointments, this could help you find ways to get there more easily.
Atlanta, GeorgiaAges 18 years+ - NCT06503055Recruiting
Antibiotic use in Gharbia, Egypt
This survey study asks medical professionals, students, and parents in Gharbia, Egypt about their patterns of antibiotic use. It aims to understand how antibiotics are being used in the community.
Tanta, GharbyeaAges 18 years+ - NCT06449755Recruiting
Comparing nails and screws for a broken pinky knuckle
This study compares two types of surgery—using an elastic nail versus a screw—to fix a displaced pinky knuckle fracture. It aims to find which method helps heal better with fewer problems.
Istanbul, FatihAges 18–60
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,166 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.