Treatment
Biological sampling clinical trials
We’re tracking 146 recruiting studies that include Biological sampling, each written for real people, not researchers, below.
Recruiting studies
- NCT06690151Recruiting
Babies with heart defects and development support
This study looks at how a serious heart condition before birth may affect a baby's brain development. It follows babies and their parents to better understand and support these children as they grow.
Nantes, Loire AtlantiqueAges Any age - NCT06678022Recruiting
Using medical drones to deliver HIV treatment in Kalangala
This study tests whether medical drones can safely deliver HIV medications and lab samples in remote areas. If successful, it could help people living with HIV get their medicine faster and more reliably.
Kalangala, SseseAges 15 years+ - NCT06310239Recruiting
Microbiome Study for Adults Having Surgery
This study looks at how your body’s natural bacteria (called the microbiome) may change after surgery. Researchers want to learn about the gut and skin bacteria of adults who are having a procedure, which could help improve recovery in the future.
Bethesda, MarylandAges 18–75 - NCT06600295Recruiting
Taste changes and nutrition in new cancer patients
This study looks at how cancer and its treatments affect taste and nutrition. It aims to find ways to help patients maintain good nutrition during treatment.
DijonAges 18 years+ - NCT06576622Recruiting
Periodontal disease, bacteria, and miscarriage
This study looks at whether gum disease and oral bacteria are linked to repeated pregnancy loss. If you have had multiple miscarriages, your gum health may play a role.
ToulouseAges Up to 18 years - NCT06544863Recruiting
Better support for cirrhosis and liver transplant patients
This study tests a new care support program for people with cirrhosis or who have had a liver transplant. It aims to improve how patients are followed and helped at the hospital.
ParisAges 18 years+ - NCT06502873Recruiting
Study of colon samples in IBD and healthy people
This study is gathering information from people with active Crohn's disease or ulcerative colitis, and from people without IBD. Researchers will look at samples from the colon to learn more about these conditions.
LiègeAges 18 years+ - NCT04413331Recruiting
Study follows adults with vasculitis over time
This observational study follows adults with vasculitis (inflammation of blood vessels) during an active flare or relapse. It aims to better understand how the disease changes over time and may help researchers plan future treatments.
ParisAges 18 years+ - NCT06450964Enrolling by invitation
Studying Mitochondrial Disease to Improve Genetic Counseling
This study aims to learn more about mitochondrial DNA diseases by building a group of people with these conditions. The information gathered may help doctors give better genetic counseling to families.
Hefei, AnhuiAges Any age - NCT06403189Recruiting
Studying choroid plexus function in brain diseases
This study looks at how a part of the brain called the choroid plexus works in people with different brain conditions. It may help find better ways to diagnose or treat these diseases.
ParisAges 18 years+ - NCT06397846Recruiting
Blood markers for benign vs. malignant pancreas changes
This study looks for markers in the body that can tell the difference between harmless (benign) and dangerous (malignant) pancreatic growths. It may help doctors learn more about changes in the pancreas and guide better care.
BesançonAges 18 years+ - NCT06393764Recruiting
Blood clots in cancer patients: a long-term study
This study follows people who have both cancer and a blood clot. It aims to learn more about how these clots happen and how they are treated in cancer patients, so doctors can improve care.
BrestAges 18–80 - NCT03357536Recruiting
Study genes that may make people more prone to listeria
This study looks at whether certain inherited genetic differences may increase the risk of getting listeria infection (listeriosis) or developing more severe or unusual forms. Results may help researchers better understand who is at higher risk and why.
ParisAges Any age - NCT06307964Recruiting
Gut bacteria in alcoholic hepatitis
This trial is looking at bacteria inside the liver of people with alcoholic hepatitis. It may help understand how these bacteria affect the disease and lead to better treatments.
LyonAges 18 years+ - NCT06242509Recruiting
Akkermansia bacteria in prostate cancer
This trial looks at whether a specific gut bacterium, Akkermansia muciniphila, is linked to how well hormone therapy works in men with advanced prostate cancer that no longer responds to standard hormone treatment. You may join if you are about to start a new type of hormone therapy.
ParisAges 18–100 - NCT06235580Recruiting
Genetics and immune-brain health study
This study looks at genetic diseases that affect the immune system and the brain. It aims to better understand these conditions by comparing patients, their relatives, and healthy controls.
Paris, Île-de-France RegionAges Any age - NCT06191731Recruiting
How the body gets rid of MRI contrast dye
This study looks at how gadolinium, a contrast agent used in MRI scans, leaves the body through urine. It aims to learn more about how the drug is processed.
Metz, Grand EstAges 18 years+ - NCT06128343Recruiting
Pancreatic cancer study: understanding tumor anatomy
This study is looking at the anatomy and clinical features of pancreatic adenocarcinoma. If you have a pancreatic mass that has been examined by ultrasound, CT scan, or biopsy, you may be able to participate.
BéthuneAges 18–120 - NCT03408964Recruiting
Blood tests to predict treatment response in prostate cancer
This study checks whether certain blood markers can help predict how well people with prostate cancer will respond to therapy. It may help doctors choose the most effective treatment sooner by using information from your blood.
BellinzonaAges 18 years+ - NCT05429138Recruiting
Tracking egg and sperm changes during melanoma treatment
This study measures how anti-cancer treatment affects a person’s egg reserve (for women) or semen quality (for men) over time. It may help doctors better understand fertility-related side effects of melanoma therapy and how they evolve during routine treatment.
BordeauxAges 18–45 - NCT05812287Recruiting
Testing differences between two types of stomach cancer using lab data
This study compares two kinds of stomach cancer (near the upper stomach/“cardia” vs non-cardia) using special lab and genetic tests (“multiomics”). It may help doctors understand differences between these cancers and improve how they are diagnosed and treated.
Jinan, ShandongAges 18–75 - NCT05787795Recruiting
Studying early risk signs for multiple sclerosis
This study looks at people who are at higher risk for multiple sclerosis (MS), to better understand early changes before MS is diagnosed. It may help doctors identify who is more likely to develop MS and how to monitor them sooner.
North Haven, ConnecticutAges 18 years+ - NCT05666739Recruiting
Store your sample for future research studies
This study collects and stores your biological samples so researchers can use them for future environmental health questions. You might join if you’re an adult, can travel for visits, and agree to have your samples stored for later use.
Research Triangle Park, North CarolinaAges 18–100 - NCT05593640Recruiting
Thromboxane A2 and Knee Osteoarthritis Study
This trial is studying a substance called thromboxane A2 in people with knee osteoarthritis and joint swelling. It aims to help doctors better understand this condition and find new ways to treat it.
NiceAges 40 years+
Common questions
- Are there clinical trials studying Biological sampling?
- Yes. Clin2 currently lists 146 recruiting studies that include Biological sampling, 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 Biological sampling 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 Biological sampling 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 Biological sampling 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.