Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,169 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05969860RecruitingPhase 2
Home cancer treatment vs clinic treatment for advanced cancer
This Phase 2 trial compares giving certain standard cancer infusions at home versus in a clinic. It may help people avoid clinic visits while still receiving the same cancer treatment safely.
Jacksonville, FloridaAges 18 years+ - NCT05977712Recruiting
Circadian rhythm factors in people with memory clinic concerns
This study looks at how daily body-clock timing (circadian rhythm) and other factors may relate to memory and thinking symptoms in memory clinic patients. You may be asked to wear a small device for about 9 days to track your daily patterns.
Paris, FranceAges 18 years+ - NCT05981326Recruiting
Computer model to predict chemo response in early breast cancer
This study looks at how well a computer model can predict if breast cancer will completely respond to chemotherapy before surgery. It is for people with early-stage breast cancer who are about to start neoadjuvant chemotherapy.
AngersAges 18 years+ - NCT05989685Recruiting
Autism camouflaging questionnaire study for teens
This study is testing a new questionnaire designed to measure how much people with autism 'camouflage' or hide their autistic traits. It aims to better understand this behavior in teens and young adults.
HamburgAges 13–21 - NCT05992272Recruiting
How cues affect drinking and smoking habits
This study looks at how certain cues (like seeing a drink or a cigarette) trigger cravings and behavior in people who drink alcohol or smoke. Understanding this may help improve addiction treatments.
BerlinAges 16–65 - 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 - NCT05995171Recruiting
Long-term health in teens born with esophageal atresia
This study looks at teenagers born with esophageal atresia (a birth defect where the esophagus doesn't connect to the stomach) to see how they are doing in the long term. It uses special tests to understand health patterns and may help improve care for others with this condition.
Lille, NordAges 13–14 - NCT06002828Recruiting
Social and genetic factors in young adult cancer survivors
This study looks at how social and genetic factors affect the health and quality of life of young adults who have survived Hodgkin or non-Hodgkin lymphoma. It may help doctors better support survivors after treatment.
Anchorage, AlaskaAges 18 years+ - NCT06005272Recruiting
Mothers Preventing Stillbirth Study
This study looks at why some babies die before or during labor between 20 and 28 weeks of pregnancy. It compares the experiences of mothers who have had a stillbirth to those who are currently pregnant to find ways to prevent early stillbirth.
ManchesterAges 16–50 - NCT06011694Recruiting
The Jinling Cohort: a health monitoring study
This study tracks healthy adults in Nanjing over three years to see if routine checkups and blood tests can detect early signs of disease. Participants will give blood samples, fill out health questionnaires, and have yearly physicals.
Nanjing, JiangsuAges 45–75 - NCT06015932Recruiting
Group stress management for cancer patients
This trial tests whether group therapy sessions can help cancer patients cope with stress. If you're feeling moderately distressed and have been treated for cancer recently, this program might help you manage those feelings.
Rochester, MinnesotaAges 18 years+ - NCT06031025Recruiting
Study of tummy problems in at-risk infants
This study looks at how common stomach and gut issues are in babies who were born early or had problems at birth, and how these issues change over time.
RomaAges 3 months–2 years - NCT06032975Recruiting
Fighting fatigue with a patient-reported tool in ovarian cancer
This trial tests whether using a patient-reported outcomes tool can help manage fatigue during treatment for ovarian cancer. It aims to improve how you feel during therapy.
NaplesAges Any age - NCT06037954Recruiting
Mental health support for older adults with cancer
This study offers mental health care for older adults (65+) with breast, colorectal, lung, or prostate cancer who are getting treatment or recently finished. It aims to help people who are also feeling depressed.
New York, New YorkAges 65 years+ - NCT06040762Recruiting
Get moving before bladder cancer surgery
This study tests whether a home-based exercise program before surgery can help improve physical function in people with bladder or upper tract urothelial cancer. If you are planning to have surgery to remove your bladder or upper urinary tract, you may be able to join.
Seattle, WashingtonAges 18 years+ - NCT06040892Recruiting
Hearing in noise for children with two cochlear implants
This study tests if wearing two cochlear implants helps children hear speech better in noisy places. The goal is to improve listening skills in everyday situations like classrooms or playgrounds.
LyonAges 7–17 - NCT06047093Recruiting
Study of Hepatitis B Virus in the Liver
This study collects a small sample of liver cells to understand how hepatitis B virus behaves in the liver and how the immune system responds. This could help improve future treatments for chronic hepatitis B.
LyonAges 18 years+ - NCT06052826RecruitingPhase 2
Geriatric support to speed recovery after CAR-T for older adults
This study tests whether extra geriatric support before and after CAR-T cell therapy helps people 60 and older recover faster. It is for patients with B-cell non-Hodgkin lymphoma or multiple myeloma who are scheduled for an FDA-approved CAR-T treatment.
Duarte, CaliforniaAges 60 years+ - NCT06054295Recruiting
Twin study of childhood brain tumors
This study looks at genetic differences between identical twins where only one twin has a childhood brain or spinal cord tumor. It helps researchers understand why some children get cancer and others don't.
Minneapolis, MinnesotaAges Up to 18 years - NCT06054542Recruiting
Digital eye strain questionnaire Turkish study
This study tests a Turkish version of a questionnaire about digital eye strain. It is for people aged 18–65 who use digital devices for at least two hours a day.
AntalyaAges 18–65 - NCT06055868Recruiting
HIV, oral cancer, and health equity study
This study looks at the experiences of people living with HIV who also have oral or throat cancer. The goal is to understand health disparities and improve care.
San Francisco, CaliforniaAges 18 years+ - NCT06063486RecruitingPhase 2
Curcumin for inflammation and symptoms in blood disorders
This trial tests whether curcumin, a natural compound found in turmeric, can reduce inflammation and improve symptoms like fatigue in people with certain blood disorders that cause low blood counts or overproduction of blood cells. It is for patients with clonal cytopenia of uncertain significance, low-risk myelodysplastic syndrome, or myeloproliferative neoplasms (polycythemia vera, essential thrombocytosis, or myelofibrosis) who have bothersome symptoms.
Los Angeles, CaliforniaAges 18 years+ - NCT06064825Recruiting
Long-term follow-up for TREOCAPA study children
This study is a long-term check-up for children who were in the TREOCAPA trial. It follows their health and development for about 2 years after they were in the original study.
AngersAges 1.9 years–2.3 years - NCT06065982Recruiting
Study of a method for placing a dialysis catheter (PREDICT)
This study watches how well a certain method (percutaneous) works for placing a peritoneal dialysis (PD) catheter, which is a soft tube used for a type of kidney dialysis. By tracking patients’ experiences before and after the procedure, the study aims to improve care for people with kidney failure.
BrusselsAges 18 years+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,169 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.