Clinical trials
Complication clinical trials
Below are recruiting complication clinical trials, each written for real people, not researchers. We’re tracking 1,143 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07464730Recruiting
High-flow nasal oxygen after high-risk surgery for frail adults
This trial tests whether using high-flow nasal oxygen after surgery helps frail patients recover better and avoid breathing problems. It includes people having long abdominal, vascular, or chest surgeries who have several health risks like older age, low oxygen levels, or heart or lung conditions.
StockholmAges 18 years+ - NCT07461779RecruitingPhase 4
Oxygen to the healthy lung during lung surgery
This study is testing whether giving extra oxygen to the lung that is not being operated on (the non-dependent lung) during surgery can reduce problems after lung surgery. If you are having lung surgery, this might help you recover better.
MadridAges 18 years+ - NCT07456163Recruiting
How zirconia abutments affect gum and bone around dental implants
This study compares how well the gum and bone around dental implants heal when using zirconia (a white ceramic) versus standard metal abutments. It aims to see if zirconia leads to healthier tissues around single-tooth replacements.
Piracicaba, São PauloAges 18–70 - NCT05520151Recruiting
Oral immune-support before kidney or bladder surgery
This trial studies whether an oral immune-modulating product given before major bladder or kidney surgery can lower the risk of postoperative complications. If you’re scheduled for surgery like cystectomy or nephrectomy, it may be an option to help your recovery.
Aulnay-sous-BoisAges 18 years+ - NCT06608082Recruiting
Green dye study after keyhole hysterectomy
This trial looks at blood flow in the vaginal area after a type of hysterectomy (keyhole removal of the uterus). Doctors will inject a safe green dye (indocyanine green) during surgery to see how well the area heals.
Clermont-FerrandAges 18 years+ - NCT07022236Recruiting
Thyroid Function in Hemodialysis Patients
This study checks thyroid function in people who are on long-term hemodialysis for kidney failure. It aims to see how common thyroid issues are in this group, which could help improve care.
SohagAges 13–80 - NCT07446790Recruiting
Comparing two digital methods for full-arch implant bridges
This trial tests a faster digital scanning method using a special camera (photogrammetry) versus a standard intraoral scanner for making a full set of implant-supported teeth. It aims to see which method leads to fewer problems with the final restoration.
CairoAges Any age - NCT07410988RecruitingPhase 4
Starch vs. crystalloid fluid for heart surgery patients
This trial compares two types of IV fluids (a starch solution vs. a balanced salt solution) to see which one better protects kidneys after heart surgery. It is for adults having planned heart surgery who do not have severe kidney problems.
DaejeonAges 19 years+ - NCT06575634Recruiting
Exercise and blood cell health in dialysis patients
This study tests whether adding a personalized exercise program to regular dialysis can improve how well your red blood cells move and work. It may help people on dialysis feel better and have healthier blood.
TaoyuanAges 20–80 - NCT06920368Recruiting
Preventing complications after nose surgery
This trial tests different methods to reduce complications after septoplasty, a surgery to fix a crooked nasal septum. It may help if you have a deviated septum that causes symptoms like trouble breathing.
TantaAges 16–60 - NCT07369700Enrolling by invitation
Mobile health tool for post-C-section checkups in rural Rwanda
This study tests a mobile health tool (used with a community health worker) to improve recovery checkups after a C-section. It may help women in rural areas get better follow-up care.
Kirehe, KireheAges 14 years+ - NCT07368179Enrolling by invitation
Neck Access Study for Kids
This study tests how doctors get emergency access to a child's neck. It may help doctors find the best method for fragile kids.
BernAges 25–65 - NCT07349498Recruiting
Heart health after stem cell transplant
This study follows patients who have had a stem cell transplant to see how their heart and blood vessels are doing over time. It helps doctors learn about long-term heart risks after transplant.
Beijing, Beijing MunicipalityAges Any age - NCT07346248Enrolling by invitation
Complications after pre-surgery treatment for advanced rectal cancer
This study looks at complications that happen after surgery in patients with advanced rectal cancer who got radiation or chemo-radiation before their operation. Researchers want to learn how different pre-surgery treatments affect recovery.
Rozzano, MilanAges 18 years+ - NCT07340723RecruitingPhase 2
New treatment study for grade II acute GVHD after transplant
This study tests a new first-line therapy for patients who develop grade II acute graft-versus-host disease (GVHD) after their first stem cell transplant. It aims to find better ways to treat this complication.
Beijing, Beijing MunicipalityAges 14 years+ - NCT07330154Recruiting
Gel for Faster Healing After Gum Graft Surgery
This trial tests a new gel (Nano Bio Fusion Gingival Gel) to see if it helps the roof of your mouth heal faster after a gum graft. It compares the gel to a placebo (inactive gel). The study is for people who need gum graft surgery for receding gums.
Irbid, Irbid GovernorateAges 18 years+ - NCT06491017Recruiting
Better airway clearance for ventilated patients
This trial tests if a special machine (mechanical insufflation-exsufflation) can help remove thick mucus from the lungs of patients who are on a breathing tube and ventilator. The goal is to see if optimized settings clear more mucus than standard care.
BarcelonaAges 18 years+ - NCT07370129Enrolling by invitation
Numbing injection for pain after tonsil surgery
This study tests a numbing injection near a nerve in your nose to see if it can reduce pain and help you recover faster after tonsillectomy. It is a non-drug approach that may offer an alternative to strong pain medicines.
Ankara, AnkaraAges 12 years+ - NCT06603350Recruiting
How surgery factors affect recovery after lung transplant
This study looks at how things before, during, and right after lung transplant surgery affect recovery. Researchers want to learn what helps patients heal better so they can improve care.
Hangzhou, ZhejiangAges 18 years+ - NCT06799377Recruiting
Activity and healing in children's forearm fractures
This study looks at how activity affects healing in children with certain forearm fractures that don't need surgery. The goal is to learn if specific activities can cause the bone to shift out of place.
Nashville, TennesseeAges 8–18 - NCT05728775RecruitingPhase 4
Comparing two anesthetics after major non-heart surgery
This trial compares the anesthesia medicines remimazolam and propofol during major surgery to see how patients do afterward. It may help guide which anesthetic is safer or leads to better recovery in higher-risk patients.
Hefei, AnhuiAges 45 years+ - NCT04552080RecruitingPhase 4
Antibiotics around sinus and bone graft implants to prevent problems
This trial studies whether taking antibiotics through the body (systemic antibiotics) after sinus-lift and bone-graft dental implant surgery can reduce post-surgery complications and improve patient comfort. It compares outcomes that matter to patients after implant placement using guided bone regeneration and a sinus floor elevation.
GrazAges 21 years+ - NCT06968858RecruitingPhase 1/Phase 2
Testing a new device to find blocked heart stents
This trial tests a new, non-invasive device that uses microwaves to detect if a heart stent is blocked. If you have a stent and are scheduled for a heart catheterization, this study may help see if the device works as well as the standard procedure.
Badalona, CataloniaAges 18 years+ - NCT07284615Recruiting
Nerve Block vs. Wound Injection for Hip Replacement Pain
This trial compares two pain-relief methods after hip replacement surgery: a nerve block (numbing the hip area) versus a numbing injection into the wound. The goal is to see which provides better pain control.
Cinisello Balsamo, MilanoAges 18 years+
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Common questions
- Are there clinical trials for complication?
- Yes. Clin2 currently lists 1,143 recruiting complication 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 complication 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 complication 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.