Clinical trials
Questionnaire clinical trials
Below are recruiting questionnaire clinical trials, each written for real people, not researchers. We’re tracking 1,163 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06369610RecruitingPhase 2
Less hormone therapy with radiation for prostate cancer
This trial tests whether some men with high-risk prostate cancer can safely receive less hormone therapy when combined with radiation. It aims to reduce side effects while still effectively treating the cancer.
Scottsdale, ArizonaAges 18 years+ - NCT06355713Recruiting
Symptom improvement after Essure implant removal
This study looks at women who are having symptoms from their Essure contraceptive implant and want it removed. It will measure how their symptoms improve after removal and may also include a special brain scan (MRI-PET) to check for changes.
AngersAges 35–75 - NCT05643859Recruiting
Fiber supplement study for bowel health and gut bacteria
This study tests whether adding a dietary fiber supplement can change the bacteria in your colon (gut microbiome). You may be asked to take the fiber supplement during evaluation for a non-cancer rectal condition.
Portland, OregonAges 18 years+ - NCT06430957Recruiting
Sleep apnea risk after dental surgery under general anesthesia
This study checks dental patients for the risk of sleep apnea before surgery and looks at whether that risk is linked to problems after general anesthesia. It may help you understand your own risk and improve safety.
KayseriAges 18–80 - NCT06226818Recruiting
Support for women experiencing sexual or domestic violence
This trial compares two types of care—women's centers versus traditional health centers—to see which better supports the mental and physical health of women who have faced sexual or domestic violence. It aims to find the best way to help women heal.
DijonAges 18 years+ - NCT06026423Recruiting
Stitching again vs. letting heal for perineal wound separation
This trial compares two approaches for women whose perineal stitches come apart after a second-degree tear or episiotomy: letting it heal on its own (conservative treatment) versus restitching. It aims to find which option leads to better healing.
HerlevAges 18 years+ - NCT07286630Enrolling by invitation
Disability and fear avoidance in physical therapists
This study looks at how common disability and fear-related beliefs are among Egyptian physical therapists who have long-term low back pain. If you qualify, you will answer questionnaires about your pain, your thoughts about movement, and how it affects your daily life.
CairoAges 25–55 - NCT07602374Recruiting
Written vs. Video Education for Breast Reconstruction Surgery
This study compares two ways of learning about breast reconstruction options after mastectomy—reading written materials versus watching videos. Researchers want to see which method helps patients make better-informed decisions and feel more confident about their choice.
San Francisco, CaliforniaAges 18 years+ - NCT06767475Enrolling by invitation
Mindfulness for Black cancer survivors
This trial tests whether a mindfulness program, offered through faith communities, can help Black adult cancer survivors feel better and manage stress. It involves attending group sessions and completing online surveys.
Jacksonville, FloridaAges 18 years+ - NCT06717334Recruiting
Lung cancer screening for people with unexplained weight loss
This study tests if low-dose CT scans can find early lung cancer in people who have unexplained weight loss. It aims to see if weight loss could be a sign that makes screening more useful.
Basking Ridge, New JerseyAges 50–80 - NCT06864377Enrolling by invitation
Ventral Hernia Improvement of Treatment and Life
This study is testing a new way to treat and improve life with a ventral hernia (a hernia in the belly area). It's for people with an incisional hernia or a parastomal hernia.
KøgeAges 18 years+ - NCT07532954Recruiting
Peer Support Community for Neuroendocrine Cervical Cancer
This study tests whether joining an online support community helps patients with a rare type of cervical cancer called neuroendocrine cervical cancer (NECC) feel more supported and informed. You'll connect with others facing the same diagnosis through a secure digital platform.
Houston, TexasAges 18 years+ - NCT05428267Recruiting
Sexual function study for people with cirrhosis
This study looks at sexual dysfunction in people who have cirrhosis (scarring of the liver). It may help researchers understand causes and better care for sexual problems in this condition.
ParisAges 18 years+ - NCT05039073RecruitingPhase 2
Brentuximab plus nivolumab for Hodgkin lymphoma after prior treatment
This Phase 2 study tests brentuximab and nivolumab (two anti-cancer medicines) in people with classical Hodgkin lymphoma that has come back or did not respond to earlier treatment. It may help by attacking lymphoma cells in different ways, especially after limited options from prior therapies.
Atlanta, GeorgiaAges 12 years+ - NCT06203600RecruitingPhase 2/Phase 3
Nivolumab plus standard treatment for advanced stomach or esophageal cancer
This trial tests whether adding the immunotherapy drug nivolumab to standard treatment works better for advanced stomach or esophageal cancer. It is for people whose cancer has already progressed after a first round of chemo plus immunotherapy.
Little Rock, ArkansasAges 18 years+ - NCT06745076RecruitingPhase 2
Using a blood test to safely lower chemo for advanced Hodgkin lymphoma
This trial studies whether a blood test (ctDNA) can help doctors safely reduce chemotherapy for people with advanced Hodgkin lymphoma. If you have stage 3 or 4 Hodgkin lymphoma that hasn't been treated yet and are healthy enough for strong chemo, this study may be an option for you.
Irvine, CaliforniaAges 18 years+ - NCT06002191Recruiting
A text-based safety program for teens bullied online
This study tests a texting program called imHere4U to help teens who have been cyberbullied and feel distressed or think about suicide. The program aims to provide support and reduce suicide risk.
Pittsburgh, PennsylvaniaAges 12–17 - NCT05089149Recruiting
Check how lung ultrasound helps manage heart failure congestion
This study looks at people with long-term worsening heart failure who are coming to the hospital for a planned visit, to see how checking “congestion” (fluid buildup) may guide care. It may help the team understand whether lung ultrasound can better assess who needs treatment changes.
Vandœuvre-lès-NancyAges 18 years+ - NCT05097898Recruiting
Check fluid buildup in heart failure with normal pumping
This study evaluates how well doctors can assess “fluid congestion” in people with chronic heart failure where the heart’s squeezing is still preserved. It may help improve how patients are monitored during hospital visits.
Vandœuvre-lès-NancyAges 18 years+ - NCT07580443Recruiting
Quality of Life After Open Surgery for Complex Aortic Aneurysms
This study follows patients who have had open surgery to repair complex abdominal aortic aneurysms—bulges in the main blood vessel in the belly. Researchers will ask you about your quality of life after surgery to understand how well people recover and feel.
LucerneAges 18 years+ - NCT06620770Recruiting
Study on education program for patients on biotherapy
This trial tests whether a therapeutic education program helps people with chronic inflammatory diseases who are on biotherapy injections stick to their treatment and feel better. The program aims to improve compliance and quality of life.
LorientAges 18 years+ - NCT06499870RecruitingPhase 2
Study of two drugs with radiation for high-risk prostate cancer
This trial tests whether combining two hormone therapy drugs, relugolix and enzalutamide, with radiation therapy can help treat very high-risk prostate cancer. The goal is to see if this combination is safe and effective for men whose cancer has a high chance of coming back.
Chicago, IllinoisAges 18 years+ - NCT07184294Recruiting
Massage therapy for anxiety during chemo
This study tests different types of massage therapy to see if they can help reduce anxiety while you are getting chemotherapy. It is for people who have already had at least one chemo session, feel anxious, and have at least six more infusions scheduled.
Irvine, CaliforniaAges 18 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+
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Common questions
- Are there clinical trials for questionnaire?
- Yes. Clin2 currently lists 1,163 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.