Clinical trials
Serum clinical trials
Below are recruiting serum clinical trials, each written for real people, not researchers. We’re tracking 184 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06925997RecruitingEarly Phase 1
Bile acids after gastric bypass: metabolic effects study
This trial looks at how bile acids affect metabolism in people who have had gastric bypass surgery. It compares three groups: those who had diabetes before surgery, those without diabetes, and those with type 2 diabetes.
HvidovreAges 18 years+ - NCT07205289RecruitingPhase 1
Blood sample study for vaccine test development
This study collects blood samples to help researchers develop better tests. It is for healthy people who have not had a pneumococcal vaccine before.
Adelaide, South AustraliaAges 18–69 - NCT07201363Recruiting
Inflammation and scarring markers after TAVI
This study looks at markers of inflammation and scarring in people who develop heart rhythm problems after having a TAVI procedure (a minimally invasive valve replacement). It may help doctors understand and predict these complications.
Rijeka, CroatiaAges 18 years+ - NCT07177183Recruiting
Low creatinine as a sign of longer breathing tube use
This study looks at whether low blood creatinine levels can help predict which patients will need a breathing machine for a long time or have trouble coming off it. If you are under 18 and in a post-ICU care unit, you may be able to join.
BrnoAges 18 years+ - NCT06953921Recruiting
Liver disease and confusion: does albumin level matter?
This study looks at whether low albumin levels in the blood are linked to more severe confusion caused by liver disease. It may help doctors understand how to better manage hepatic encephalopathy.
SohagAges 18 years+ - NCT07142759Enrolling by invitation
Vitamin D tomato soup trial for low vitamin D levels
This study tests whether a specially grown tomato soup (with extra vitamin D) can raise your vitamin D levels over 3 weeks. You'll eat one soup packet each day. It's for people who have low but not severely low vitamin D.
NorwichAges 18 years+ - NCT04154553Recruiting
Genetic testing to prevent bad drug reactions or treatment failures
This study looks at whether a person’s genetic makeup can help choose safer medicines or improve how well treatment works. You may be asked for testing if you’ve had a bad reaction or treatment failure, or if you’re starting a new medicine that is known to be affected by genetics.
BaselAges 2 years+ - NCT07104149RecruitingPhase 2
Chemo plus immunotherapy before surgery for cervical cancer
This trial tests adding a new immunotherapy drug (cadonilimab) to standard chemotherapy before surgery for locally advanced cervical cancer. The goal is to see if this combination helps shrink the tumor more effectively before surgery.
Zhengzhou, HenanAges 18–75 - NCT06748365Recruiting
Ferritin levels and recovery in diabetic ketoacidosis
This study looks at whether the level of a protein called ferritin in your blood can help predict how well you recover from diabetic ketoacidosis (DKA). If you have DKA and are over 18, you may be able to join.
Sohag, Sohag GovernorateAges 18 years+ - NCT07076771Recruiting
Testosterone and artery blockage in young men with heart disease
This study looks at whether testosterone levels are linked to how blocked the heart arteries are in young men (under 45) with early heart disease. It involves a one-time blood test during a planned cardiac catheterization.
SohagAges Up to 45 years - NCT06851130Recruiting
Iron supplement study for women with low iron stores
This study tests how quickly a single oral iron dose increases ferritin levels in women who have low iron stores but are not anemic. It aims to find a quick way to assess iron absorption.
Zurich, Canton of ZurichAges 18–45 - NCT06020495RecruitingPhase 3
DDAVP to prevent sodium overcorrection in severe low sodium
This trial tests a medication called DDAVP to prevent the sodium level from rising too quickly when treating severe low sodium in ICU patients. It is for those with dangerously low sodium and neurological symptoms, but without certain other medical conditions.
AmiensAges 18 years+ - NCT07050706Enrolling by invitation
Heart failure and protein levels in the blood
This trial checks if a protein called PRMT5 in the blood is linked to heart function in people with heart failure. It compares healthy volunteers and those with heart failure to see if this protein can help understand the condition better.
Shenzhen, GuangdongAges 18 years+ - NCT07054398Recruiting
Catestatin levels in acne patients
This trial measures a blood protein called catestatin in people with moderate to severe acne. It aims to understand how catestatin relates to acne, which may help guide future treatments.
AswānAges 18–40 - NCT07033676Enrolling by invitation
Study of a blood marker for heart damage from high blood pressure
This trial looks at a substance in your blood called miR-455-5p to see if it can help doctors understand heart changes caused by high blood pressure. It involves people who have had high blood pressure for over a year and may have some heart symptoms.
Shenzhen, GuangdongAges 18 years+ - NCT07015554Enrolling by invitation
IGF1 levels in women with heart failure
This study looks at a hormone called IGF1 in women with a specific type of heart failure (where the heart pumps normally but is stiff). It may help understand if this hormone is linked to the condition.
Shenzhen, GuangdongAges 18 years+ - NCT07009847Recruiting
Study of the R21/Matrix-M malaria vaccine
This study looks at how well the R21/Matrix-M malaria vaccine works and how safe it is in children who received it. It compares children who got malaria (or died) to healthy children who also got the vaccine.
Bousse, Burkina FasoAges 5 months+ - NCT06984822Recruiting
Comparing eye injections for diabetic macular edema
This study compares two different eye injection treatments for diabetic macular edema (DME)—a condition where fluid builds up in the center of the retina, blurring vision. Researchers want to see how certain measures in the blood and in eye scans relate to how well each treatment works.
MölndalAges 18 years+ - NCT04496024Recruiting
How ofloxacin levels may affect older adults with bone infections
This study looks at whether blood levels of the antibiotic ofloxacin in people over 65 are linked to side effects, in older adults hospitalized for bone and joint infections. It may help doctors choose safer doses, especially when switching from IV treatment to pills.
AmiensAges 65 years+ - NCT06957158Recruiting
How calcium levels affect pain after abdominal surgery
This study looks at whether calcium levels in your blood can affect how much pain you feel after abdominal surgery. It may help doctors manage pain better after surgery in the future.
Chongqing, Chongqing MunicipalityAges 18–70 - NCT06943443Enrolling by invitation
Vitamin D and expander treatment for teens
This trial looks at whether vitamin D levels affect how well a special expander (MARPE) works to fix a narrow upper jaw in teens. If you are 15–18 and have a narrow upper jaw, you may be able to join.
Konya, MeramAges 16–18 - NCT06906536Enrolling by invitation
Intermittent low oxygen to improve leg function after spinal injury
This trial tests whether short, controlled sessions of low oxygen (like breathing thin air) can improve leg movement and blood markers in people with spinal cord injuries. It may help with walking or standing.
Boulder, ColoradoAges 18–75 - NCT06876532Recruiting
Inflammation score and Lu-177 treatment for midgut NET
This study looks at whether a simple blood test (inflammation score) can predict how well the drug Lu-177 oxodotreotide (Lutathera) will work for people with midgut neuroendocrine tumors that have grown or spread. It may help doctors understand who benefits most from this treatment.
AngersAges 18 years+ - NCT06793085Recruiting
Inflammation Proteins in PCOS Study
This study looks at inflammation-related proteins in women with PCOS to understand what causes the condition. If eligible, you’d help researchers learn more about PCOS, which could lead to better treatments.
KrakowAges 18–45
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Common questions
- Are there clinical trials for serum?
- Yes. Clin2 currently lists 184 recruiting serum 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 serum 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 serum 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.