Treatment
Vitamin A clinical trials
We’re tracking 274 recruiting studies that include Vitamin A, each written for real people, not researchers, below.
Recruiting studies
- NCT06909409Recruiting
Vitamin D and lung immune cells in lung fibrosis
This study looks at how vitamin D affects immune cells in the lungs of people with a lung scarring condition called idiopathic pulmonary fibrosis (IPF) or other similar lung diseases. It tests if vitamin D levels are linked to how these cells work.
Aarhus NAges 18 years+ - NCT06949930Recruiting
Optimizing child health visits for better nutrition
This trial tests a new way to deliver essential health and nutrition advice to families with young children (ages 1–5) during regular doctor visits. It aims to make sure children get the care they need.
NairobiAges 15 years+ - NCT06950463Recruiting
Circuit training for bone health after menopause
This trial tests whether a specific exercise program (circuit training) can improve bone density in women after menopause who have low bone mass. It may help strengthen bones and reduce fracture risk.
CairoAges 50–60 - NCT06960954Recruiting
Testing a blood marker for liver cancer blood clots
This study looks at whether a substance in the blood called PIVKA-II can predict blood clots in the main vein of the liver (portal vein) in people with liver cancer. Participating could help doctors better identify who might develop this complication.
Tanta, GharbyeaAges 18 years+ - NCT06968936Recruiting
Long-term outcomes of pre-surgery iron therapy
This study looks at long-term results of giving iron before major heart surgery to people with low iron levels. It aims to see if this treatment helps recovery and outcomes.
Hangzhou, ZhejiangAges 18–85 - NCT07021170RecruitingPhase 4
Study comparing special vs. standard vitamins after weight-loss surgery
This study tests whether a special brand of bariatric vitamins works better than standard multivitamins for people who have had weight-loss surgery. It aims to find the best way to prevent vitamin deficiencies after surgery.
Alexandria, Alexandria GovernorateAges 18–65 - NCT07050693Recruiting
Can a breast-milk sugar supplement prevent colds and stomach bugs?
This study tests a chewable supplement made from a natural sugar found in breast milk (2'-fucosyllactose) to see if it helps prevent colds and stomach bugs in young children who attend daycare or school. It is for healthy children between 1 and 4 years old.
Bari, BariAges 1–4 - NCT07105163Recruiting
Bisphosphonate and supplement adherence in postmenopausal osteoporosis
This trial looks at how well women with postmenopausal osteoporosis follow their treatment plan, which includes a bisphosphonate taken once a week or once a month along with daily calcium and vitamin D supplements. The goal is to understand patterns that may help improve care.
Santiago de Compostela, A coruñaAges Any age - NCT07120997Recruiting
Prunes to prevent bone loss during perimenopause
This study tests whether eating prunes every day can help prevent bone loss in women going through perimenopause. If you are between 44 and 55, not severely obese, and have irregular periods, you may be able to join.
University Park, PennsylvaniaAges 44–55 - NCT07130305Recruiting
Vibration therapy and vitamin D for FMF in teens
This trial tests if adding whole-body vibration to vitamin D supplements can improve symptoms in adolescent girls with Familial Mediterranean Fever (FMF). It aims to find a simple, non-drug way to help manage the condition.
Giza, DokkiAges 13–17 - NCT07227740Recruiting
Testosterone treatment for blood vessel health after spinal cord injury
This study looks at whether low testosterone affects blood vessel health in men with recent spinal cord injury. It tests if testosterone replacement can help improve blood vessel function.
Englewood, ColoradoAges 18–89 - NCT07227727Recruiting
Blood vessel health after spinal cord injury
This study looks at how spinal cord injury affects the health of your blood vessels. It compares people with paraplegia to those without an injury to understand the differences.
Englewood, ColoradoAges 18 years+ - NCT07233148Recruiting
ALS, MND, or PLS registry study
This observational study creates a registry for people with ALS, MND, or PLS. It helps researchers better understand these conditions and find possible treatments.
Park City, UtahAges 18–110 - NCT07303543Recruiting
Protein and exercise to prevent muscle loss after weight-loss surgery
This trial tests whether taking protein-collagen supplements and doing resistance exercises can help people maintain muscle after bariatric surgery. It may be a good fit if you are between 20 and 50 years old, have a BMI of 35 or higher, and are not pregnant or in menopause.
Istanbul, FatihAges 20–50 - NCT07303803RecruitingPhase 2
Testing Chiglitazar for fatty liver with diabetes
This trial tests a new oral medication, Chiglitazar, for people who have both type 2 diabetes and a fatty liver condition called MASH (fatty liver with inflammation and scarring). It aims to see if the drug can help improve liver health and diabetes control.
Beijing, Beijing MunicipalityAges 18–75 - NCT07312435Recruiting
B vitamins and Omega-3s for brain health in older adults
This trial tests whether taking B vitamins and omega-3 fatty acids can slow brain shrinkage in older adults. It may help those with low vitamin levels keep their memory sharp.
OsloAges 65 years+ - NCT07366086RecruitingPhase 3
Long-term safety of romosozumab for osteogenesis imperfecta in children
This study follows children who previously received romosozumab in an earlier trial to check their long-term safety. It helps understand if the treatment's benefits last safely over time.
Indianapolis, IndianaAges 5–19 - NCT07369063RecruitingPhase 2
Vitamin D for pediatric Graves' disease
This study tests whether adding vitamin D therapy to the usual Graves' disease treatment (methimazole) can improve thyroid function and lower antibody levels in children. If your child is between 9 and 17 and recently diagnosed, they may be able to participate.
New Hyde Park, New YorkAges 9–17 - NCT00071526Recruiting
How the body loses vitamin C in diabetes
This study looks at why people with diabetes may lose more vitamin C in their urine than people without diabetes. By understanding this difference, researchers hope to better understand how diabetes affects the body's nutrition.
Bethesda, MarylandAges 18–65 - NCT03049462RecruitingPhase 1
Study how a beta-3 drug changes body fat in healthy adults
This Phase 1 study tests how chronic treatment with a beta-3–type medicine affects brown fat (a special kind of body fat) in the body. It mainly looks at safety and how the body responds over time, which could help future treatments for weight and metabolic health.
Bethesda, MarylandAges 18–40 - NCT07443410Recruiting
Probiotics for gum disease treatment
This trial tests whether taking pre- and probiotics alongside non-surgical gum treatment improves healing and reduces harmful bacteria. It may help people with advanced gum disease (stage III or IV periodontitis).
Heidelberg, Baden-WurttembergAges 18 years+ - NCT07469462Recruiting
High-dose vitamin B6 for depression and anxiety
This study tests whether high doses of vitamin B6 can help reduce symptoms of anxiety and depression. If you have mild to moderate anxiety or depression, you may be able to participate.
Reading, EnglandAges 18–41 - NCT07479290RecruitingPhase 1
Vitamin D gel to speed up tooth movement after extraction
This trial tests whether applying vitamin D near the extraction site can speed up how quickly your canine teeth move into the gap after premolars are removed. It might help shorten your orthodontic treatment.
Islamabad, FederalAges 13 years+ - NCT07534852Recruiting
Nutrition and exercise support for colon cancer surgery patients
This study tests whether nutrition support and exercise help patients with early-stage colon cancer recover better after surgery. Researchers will provide dietary guidance and a supervised exercise program tailored to your needs.
Málaga, MalagaAges 18–75
Common questions
- Are there clinical trials studying Vitamin A?
- Yes. Clin2 currently lists 274 recruiting studies that include Vitamin A, drawn from the U.S. registry and rewritten for real people so you can see what each is testing and who it's for.
- How do I know if I qualify for a Vitamin A trial?
- Each study lists its own eligibility criteria — rules about condition, age, and prior treatments. On every Clin2 trial page we explain these in plain language and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Is Vitamin A an approved treatment?
- A drug being studied in a trial may be investigational (still being tested) or already approved and being studied for a new use. Each study page explains what phase it's in. Clin2 does not provide medical advice — talk with your doctor about whether Vitamin A or a specific trial is right for you.
Related treatments
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. A drug appearing here is being studied in a trial and may be investigational. Talk with your doctor about whether a specific treatment or trial is right for you.