Clinical trials
Light clinical trials
Below are recruiting light clinical trials, each written for real people, not researchers. We’re tracking 271 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06913309Recruiting
Home bright light therapy for teen depression
This study tests whether a bright light therapy device you can use at home can help improve depression symptoms in teenagers aged 13-17. It compares the results of using the light with a non-active placebo device.
Beijing, Beijing MunicipalityAges 13–17 - NCT03822949Recruiting
Bright light exposure during heart surgery for better recovery
This trial tests whether using bright light at the right time during and after heart surgery helps patients recover more comfortably. It focuses on people having a specific type of open-heart surgery and checks certain heart rhythm and safety factors.
Denver, ColoradoAges 18–90 - NCT06702241RecruitingPhase 2/Phase 3
Light therapy for newborn jaundice
This trial tests different ways to give light therapy to newborns with jaundice. It compares different approaches to see which is best, and may help parents understand the most effective treatment for their baby.
AalborgAges 1 day–2 weeks - NCT05016219Recruiting
Light therapy to improve sleep and thinking in early Alzheimer’s
This trial studies rhythmic light therapy to help people with early Alzheimer’s or mild memory problems, especially when sleep is getting worse. If you fit the sleep and vision/medical safety requirements, the study may see whether the therapy improves sleep and thinking-related symptoms.
Menands, New YorkAges 55 years+ - NCT07347379Enrolling by invitation
Long-term follow-up for people with the light adjustable lens
This study checks how well the light adjustable lens (a special artificial lens used in cataract surgery that can be adjusted after it's placed in the eye) holds up over time in people who already have it.
San Antonio, TexasAges Any age - NCT07057063Recruiting
Light therapy for knee pain and swelling
This study tests if light therapy can reduce knee pain and swelling (synovitis) caused by arthritis. If you have long-lasting knee pain and arthritis, this treatment might offer a non-drug option to help you feel better.
ShenzhenAges 40–80 - NCT05715411Recruiting
Light therapy for long sleep-onset insomnia
This trial studies whether timed light exposure can help people who have trouble falling asleep. It aims to improve insomnia symptoms by testing a light-based approach while carefully measuring sleep patterns.
StrasbourgAges 30–60 - NCT05107947Recruiting
Dynamic room lighting to improve sleep and daily body rhythm
This study tests whether changing the light in a hospital room can improve sleep and help your body clock work better in older adults. It may be most helpful if sleep problems or irregular daily rhythms are affecting you in the hospital.
MalmöAges 65 years+ - NCT06065852Recruiting
National registry for rare kidney diseases
This study creates a registry to collect health information from people with rare kidney diseases. It aims to improve understanding and future treatments by tracking patient experiences.
Bristol, South WestAges Any age - NCT03657745Recruiting
40 Hz light and brain training for Alzheimer’s
This trial tests whether a combination of 40 Hz light stimulation and cognitive (thinking) therapy can improve symptoms in people with Alzheimer’s disease. It may help by stimulating the brain and training thinking skills, while carefully checking eye and seizure history.
Miami, FloridaAges 50 years+ - NCT07685262Recruiting
Bright light therapy for better daytime function in students
This trial tests if morning bright light therapy can help university students feel more awake and function better during the day. You may be eligible if you live in shared student housing and don't have a diagnosed sleep problem.
Hung HomAges 18 years+ - NCT06389968Recruiting
Light therapy for vision after optic neuritis in MS
This study tests whether light stimulation can help improve vision after optic neuritis in people with multiple sclerosis. It may offer a way to support eye recovery without medication.
Munich, BavariaAges 18–60 - NCT07600957Recruiting
Polarized Light Therapy to Ease Radiation Skin Damage
This trial tests whether a special type of light therapy can reduce skin damage and irritation that happens during radiation treatment for breast cancer. If it works, it could help patients feel more comfortable during and after their radiation therapy.
Banī SuwayfAges 35–55 - NCT07545798Recruiting
Bright Light Therapy for Cocaine Withdrawal During Hospital Stay
This study tests whether bright light therapy—sitting in front of a special bright light box for a set time each day—can help reduce cravings and withdrawal symptoms when you're in the hospital stopping cocaine use. Researchers think light therapy might help stabilize your mood and sleep during this difficult time.
Bron, Auvergne-Rhône-AlpesAges 18 years+ - NCT05958940Recruiting
Bright light therapy study for depression
This trial studies whether daily bright light therapy can reduce depressive symptoms. It’s for adults with depression (including some with bipolar depression), and you would fill out questionnaires and be screened for safety.
EindhovenAges 18–65 - NCT07453927Recruiting
Blue light to help heal burn donor sites
This trial tests if blue light therapy can help donor site wounds heal faster in adults with serious burns that need surgery. It compares the healing of two donor sites on the same patient.
Cesena, Forlì-CesenaAges 18 years+ - NCT06129942Recruiting
Light therapy for Parkinson's disease
This trial tests whether regular light therapy can help people with Parkinson's disease. It is designed for patients whose symptoms are at a moderate stage and whose medication has been stable for a month or more.
Suzhou, JiangsuAges 50–80 - NCT07384585Recruiting
Light therapy study for children in the ICU
This study tests whether light therapy can help children in the pediatric intensive care unit (ICU) feel better and recover. A parent or guardian must be at the bedside and speak English.
Columbus, OhioAges 4–17 - NCT07312214Recruiting
Red light therapy for slowing vision loss in severe nearsightedness
This trial tests if daily low-level red light can protect the back of the eye in people with severe nearsightedness. It aims to slow damage that leads to vision loss.
ShanghaiAges 18–55 - NCT06540651Recruiting
Light therapy for chronic cluster headache
This study tests whether daily light therapy can reduce the number of cluster headache attacks in people with chronic cluster headache. It is a non-drug treatment that uses a special lamp to see if it helps calm your headache cycles.
MarseilleAges 18 years+ - NCT06899919Recruiting
Light compression wrap for mixed leg ulcers
This trial tests a light compression system for mixed leg ulcers, which are wounds on the lower leg that have both vein and artery problems. It may help you if you have this type of wound that is not too large or too old.
Paris, ParisAges 18 years+ - NCT07218289Recruiting
Green light therapy for recovery after surgery
This study tests if exposing patients to green light after laparoscopic or robotic surgery can help reduce pain and improve recovery. You may be eligible if you are staying in the hospital for at least two days after your surgery.
Pittsburgh, PennsylvaniaAges 18 years+ - NCT06781593Recruiting
Light therapy and CPAP for depression with sleep apnea
This study tests if adding bright light therapy to standard CPAP treatment helps improve mood in people who have both depression and sleep apnea. You may benefit if your depression and sleep apnea are both being treated.
Bron, FranceAges 18 years+ - NCT07173530Recruiting
Low-level light therapy for dry eye & skin pigmentation
This study tests whether low-level light therapy can improve dry eye symptoms caused by blocked oil glands (Meibomian Gland Dysfunction). It also looks at how the treatment affects skin pigmentation under the eyes.
Houston, TexasAges 18 years+
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Common questions
- Are there clinical trials for light?
- Yes. Clin2 currently lists 271 recruiting light 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 light 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 light 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.