Clinical trials
Fasting clinical trials
Below are recruiting fasting clinical trials, each written for real people, not researchers. We’re tracking 207 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05104502Recruiting
Study how 36-hour water fasting affects immune signals
This study looks at how a 36-hour water-only fast changes immune-related markers and gut (microbiome) signals in healthy adults. It may help researchers understand how fasting could affect health, even though this trial is focused on people without major medical conditions.
Sacramento, CaliforniaAges 20–40 - NCT04607096Recruiting
Intermittent fasting to improve insulin in prediabetes or early type 2
This study tests whether intermittent fasting can improve how your body releases and uses insulin if you have prediabetes or early type 2 diabetes. It may help your blood sugar control without using insulin.
BerlinAges 18–70 - NCT06633276Recruiting
Fast gene test for breast cancer diagnosis in Tanzania
This trial tests a new, fast method to diagnose breast cancer using a gene sequencing technique called nanopore sequencing. It aims to give accurate results quickly from a tumor sample taken during a biopsy or surgery.
MoshiAges 18 years+ - NCT07111065RecruitingPhase 2
Fatty Acid Supplement for Dermatomyositis
This study tests whether taking a fatty acid supplement (omega-3) for 6 months can help reduce disease activity in people with dermatomyositis. Participants will also receive dietary coaching and have regular check-ups at the NIH to monitor their progress.
Bethesda, MarylandAges 18–60 - NCT05990426Recruiting
Alternate day fasting during chemo for gynecologic cancers
This trial tests whether alternating between a fasting day and a normal eating day can help people recovering from gynecologic cancer surgery while they receive chemotherapy. It aims to see if this eating pattern is safe and helpful during treatment.
Chicago, IllinoisAges 18 years+ - NCT05597709Recruiting
Study diabetes patients to measure MAFLD in Jiangsu
This study checks how common a condition called MAFLD is among people with type 2 diabetes in Jiangsu, China. It may help doctors understand how often this liver-related problem occurs and guide future care for people with type 2 diabetes.
Nanjing, JiangsuAges 18 years+ - NCT06249256RecruitingEarly Phase 1
Fast CAR T cells for advanced solid tumors
This trial tests a new type of CAR-T cell therapy called Fast CAR T cells for people with advanced solid tumors. It is designed for patients whose tumors have certain markers (mesothelin and PD-L1) and who have not responded to or cannot tolerate standard treatments.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT06327997RecruitingEarly Phase 1
Fast CAR-T cells for advanced solid tumors
This trial tests a new type of 'fast CAR-T' cell therapy for people with advanced solid tumors that have not been helped by standard treatments. CAR-T cells are a kind of immune cell that is reprogrammed to attack cancer cells that carry certain markers called mesothelin, MUC1, and PD-L1.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT06546033Recruiting
Intermittent fasting and Mediterranean diet for multiple sclerosis
This study tests whether a combination of intermittent fasting (eating only during certain hours) and a Mediterranean diet (rich in fruits, vegetables, whole grains, and healthy fats) can help improve symptoms in women with multiple sclerosis (MS). If you are a woman with MS and not in an active flare-up, this trial may offer a new way to manage your condition through diet.
Niğde, BorAges 18–65 - NCT07758985RecruitingPhase 1
Testing a pill's safety and effect on mosquitoes in healthy adults
This study tests a new pill called lotilaner for safety and how well it works to kill mosquitoes that carry malaria. It is for healthy adults in Mali and may help future malaria prevention efforts.
BamakoAges 18–55 - NCT07692646Recruiting
Fasting's effect on fat burning and energy in cells
This study looks at how fasting changes the way your body burns fat and how cells produce energy. If you are a healthy adult of normal weight or living with obesity, you may help researchers understand the effects of fasting on metabolism.
CopenhagenAges 18–40 - NCT07691736Recruiting
Fasting and fiber for gut health
This study tests if combining a supervised fast with extra fiber can improve gut health. If you're interested in a 10-day fasting program at a clinic, this might be for you.
Überlingen, Baden-WurttembergAges 18–65 - NCT07680452Recruiting
High-fiber diet and short-term fasting for melanoma patients on immunotherapy
This trial tests if a high-fiber diet and occasional short-term fasting can help melanoma patients respond better to immunotherapy. It aims to improve treatment outcomes by changing gut health.
Berlin, State of BerlinAges 18 years+ - NCT07672093Recruiting
Dry needling for forearm muscle knots
This study tests whether inserting a thin needle (dry needling) into a tight muscle knot in your forearm can help release it without causing pain. It's for healthy adults who have a non-painful knot in their dominant arm.
Reus, TarragonaAges 18–40 - NCT07656649Recruiting
Sip-til-Send: Clear liquids before surgery
This trial tests whether allowing patients to drink clear fluids (like water or juice) up until surgery starts is safe, instead of fasting for hours. It may help you feel more comfortable before your operation.
Bergen, VestlandAges 18 years+ - NCT07651462Recruiting
Fasting Before Hip Surgery and Gut Health
This study tests whether fasting for 20 days before hip replacement surgery changes your gut bacteria in ways that might help your recovery. Researchers want to understand if this dietary approach affects how well you heal after the operation.
Berlin, State of BerlinAges 18–75 - NCT07639372Recruiting
Fast vs. slow-dissolving stitches for large surgical wounds
This study compares two types of stitches that dissolve at different speeds in people having skin surgery with larger cuts. Researchers want to see which type heals better and causes less tension on the wound.
Lanzhou, GansuAges Any age - NCT07622901Recruiting
Fasting and Exercise for Early-Stage Endometrial Cancer
This study tests whether fasting (not eating for extended periods) and exercise before surgery might help improve outcomes for women with early-stage endometrial cancer. Participants will be randomly assigned to either practice fasting and exercise or receive standard care.
Miami, FloridaAges 18 years+ - NCT07613307RecruitingPhase 3
Study of a new pill for type 2 diabetes during Ramadan fasting
This study tests an oral medication called orforglipron to see if it safely helps people with type 2 diabetes manage their blood sugar while they fast during Ramadan. You may be a good fit if you are planning to fast and your diabetes is not too severe.
AgraAges 18–65 - NCT07498361Recruiting
Comparing absorbable stitches in wisdom tooth removal
This trial compares two types of dissolving stitches (sutures) used after wisdom tooth surgery to see which works better. It may help your mouth heal faster with fewer problems.
Padua, PaduaAges 18 years+ - NCT07491419Recruiting
Test to Speed Up Antibiotic Choice for Blood Infections
This trial checks if a faster test to find the best antibiotic for a bloodstream infection can improve treatment and outcomes. If you have a confirmed bloodstream infection, you may be able to join.
Rozzano, MilanAges 18 years+ - NCT07488468Recruiting
Shortening fasting before planned surgery
This trial tests a program to reduce how long patients must fast before elective surgery. Shorter fasting may make patients more comfortable and could help recovery.
GiessenAges Any age - NCT07336160Recruiting
Nutrition before knee replacement surgery
This trial studies a special nutrition plan before knee replacement surgery to see if it helps recovery. Participants follow enhanced recovery guidelines for eating and drinking before their operation.
Istanbul, IstanbulAges 18 years+ - NCT07288281Recruiting
Preoperative Clear Fluid Fasting in Liver Transplant
This trial looks at how long before surgery patients waiting for a liver transplant can drink clear fluids, like water. The goal is to find a safer or more comfortable fasting time.
Warsaw, WarszawaAges 18 years+
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Common questions
- Are there clinical trials for fasting?
- Yes. Clin2 currently lists 207 recruiting fasting 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 fasting 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 fasting 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.