Treatment
Comparator clinical trials
We’re tracking 1,749 recruiting studies that include Comparator, each written for real people, not researchers, below.
Recruiting studies
- NCT05914831RecruitingPhase 2
Whole-breast vs partial-breast radiation after breast surgery
This Phase 2 study compares two types of radiation after breast-conserving surgery: treating the whole breast versus treating only part of the breast. It may help find which approach works well while aiming to reduce side effects.
Novi Sad, VojvodinaAges 50 years+ - NCT05193240Recruiting
Swallowing test to predict vocal cord paralysis after lung surgery
This study checks whether a simple swallowing test can forecast vocal cord paralysis after lung surgery, compared with a camera exam of the throat. If predictions are accurate, it may help doctors prevent or plan treatment for swallowing and voice problems.
RouenAges 18 years+ - NCT04871568Recruiting
Compare two sites for dialysis catheter placement
This trial tests whether placing a dialysis catheter in one location (subclavian/near the collarbone) is as good as placing it in another (jugular/neck) for patients who need a temporary dialysis catheter. It aims to reduce problems like vein narrowing caused by catheter placement.
LundAges 18 years+ - NCT04891510Recruiting
Compare fat grafting products in breast surgery
This trial compares three methods for moving your own fat into the breast during breast surgery. It may help improve how well fat grafting works and how surgeons choose the best method for you.
New York, New YorkAges 18 years+ - NCT05231343Recruiting
Dual small-plate vs single plate for broken collarbones
This trial compares two surgical plate methods to fix a broken collarbone in the middle part (midshaft). The goal is to see which method works better for healing and function after an acute, fully displaced fracture.
Toronto, OntarioAges 18–65 - NCT04432012RecruitingPhase 4
Compare steroid shots versus other delivery after knee replacement
This study compares different ways of giving steroid medicine after a total knee replacement to see which approach works best and is well-tolerated. You may qualify if you’re getting a first (not repeat) knee implant and can follow the study steps.
LuganoAges 50–85 - NCT04150614RecruitingPhase 4
Granisetron skin patch versus ondansetron for transplant nausea
This study compares a granisetron skin patch to ondansetron tablets/medicine to see which works better to prevent nausea and vomiting around stem cell transplant. It may help your care team choose the most effective anti-nausea option for transplant patients.
Chicago, IllinoisAges 18–75 - NCT04246138Recruiting
Robot-assisted knee replacement alignment: best function
This trial compares two types of robot-guided knee replacement alignment to see which one helps people do everyday activities better after surgery. If you have “wear-and-tear” knee arthritis, you may be offered one of the two surgical alignment approaches as part of a study.
Hull, East YorkshireAges 18–90 - NCT04576169Recruiting
Comparing treatment options for a TFCC tear in the wrist
This trial looks at which treatment works best for a specific kind of wrist cartilage (TFCC) tear. It may help you choose the most effective option if you have ulnar-sided wrist pain that didn’t improve with non-surgical care.
CopenhagenAges 18–65 - NCT04458584Recruiting
Thumb surgery trial comparing treatments for basal joint arthritis
This study looks at how well different thumb (basal joint) surgery approaches restore strength and function. You would be having planned (non-replacement) thumb surgery, and your chosen surgeon would care for you while researchers compare outcomes.
Lebanon, New HampshireAges 21 years+ - NCT05415761Recruiting
Mobile phone support to help you quit smoking in clinic
This study tests different texting/app-based ways to help people quit smoking, especially those who may have less access to care. You may be assigned to one approach and get support through your phone.
Gainesville, FloridaAges 21 years+ - NCT07590674Recruiting
Balance training for competitive tennis players
This study compares two types of balance training to see which one better improves tennis players' ability to move quickly and change direction on court. You'll do either reactive balance exercises (responding to sudden movements) or traditional balance exercises over the study period.
IslamabadAges 18–25 - NCT06065748RecruitingPhase 3
New hormone therapy for advanced breast cancer after prior treatment
This trial tests a new oral hormone therapy, giredestrant, against a standard hormone therapy (fulvestrant) when both are given with a CDK4/6 inhibitor. It is for people with advanced ER-positive, HER2-negative breast cancer that has come back after initial hormone therapy, and who have not yet had other treatments for advanced disease.
Daphne, AlabamaAges 18 years+ - NCT01033838RecruitingPhase 2
Two minimally invasive surgery options for recurrent diverticular problems
This trial compares two types of minimally invasive surgery for people with recurrent diverticular disease who need surgery for a benign (non-cancerous) polyp and have an early, limited tumor in the sigmoid colon/rectosigmoid area. It may help find which approach is safer or better for recovery.
LeuvenAges 18–90 - NCT03713879RecruitingPhase 3
Indomethacin vs pancreatic stent to prevent post-ERCP pancreatitis
This study compares indomethacin (an anti-inflammatory medicine) against using a temporary pancreatic stent to prevent pancreatitis after an ERCP procedure. It may help you lower the chance of painful inflammation of the pancreas after ERCP.
Xi'an, ShaanxiAges 18–99 - NCT06454136Enrolling by invitation
App-based support for teens after a suicide attempt
This trial tests a mobile app designed to help teenagers who have recently been hospitalized after a suicide attempt or serious suicidal thoughts. The goal is to see if the app can provide extra support and reduce future suicide attempts.
Hartford, ConnecticutAges 13–17 - NCT06451432Recruiting
Laparoscopic vs. open hernia repair in children
This trial compares two ways to repair a hernia in children: laparoscopic surgery (using a small camera) and open surgery (a traditional cut). It aims to see which is more effective and cost-effective.
Veldhoven, North BrabantAges birth–16 years - NCT07655349Recruiting
Comparing two ways to attach gum grafts after surgery
This study tests if using small titanium tacks to hold a gum graft in place causes less pain than the usual stitches. It might help people who need more attached gum around their teeth.
Cairo, Cairo GovernorateAges 18 years+ - NCT06435429RecruitingPhase 3
Zanidatamab vs trastuzumab for HER2+ breast cancer
This study compares a new drug called zanidatamab against trastuzumab (Herceptin), both given with a chemotherapy of your doctor's choice. It is for people with HER2-positive breast cancer that has spread and who have already tried T-DXd treatment.
Phoenix, ArizonaAges 18 years+ - NCT06376968Recruiting
Testing a new dialysis option for low blood pressure
This study tests a new dialysis option called 'Biologic Fusion' that may help people who often have low blood pressure during dialysis. It compares this new method to standard dialysis to see if it is safer and works better.
Bologna, Emilia-RomagnaAges 18 years+ - NCT07648654Recruiting
Hall Technique vs. Traditional Crowns for Decayed Baby Molars
This study compares two ways to treat decayed baby molars in children ages 5–8: the Hall Technique (a newer method) and traditional stainless-steel crowns. Researchers will measure which method works better, reduces anxiety, takes less time, and costs less.
CairoAges 5–8 - NCT07699562Recruiting
EMG device study in healthy people and ICU patients
This study tests a device that records muscle activity (EMG) in healthy volunteers and critically ill patients in the ICU. It aims to learn how well the device works in different groups, which could help monitor muscle function in the future.
Evanston, IllinoisAges 18–90 - NCT06268795Recruiting
Comparing biopsy vs. aspiration for shoulder/elbow revision surgery
This study compares two methods—biopsy (taking a small tissue sample) and aspiration (drawing fluid)—to see which one better detects infection in people having repeat shoulder or elbow replacement surgery. The results will help doctors choose the best test for future patients.
Wigan, LancashireAges 18 years+ - NCT06409910RecruitingPhase 2
Comparing shorter radiation treatments for prostate cancer
This study tests two slightly different short-course radiation schedules for men who have had their prostate removed and are now getting follow-up radiation. The goal is to see if one is more effective or has fewer side effects.
London, OntarioAges 18 years+
Common questions
- Are there clinical trials studying Comparator?
- Yes. Clin2 currently lists 1,749 recruiting studies that include Comparator, 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 Comparator 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 Comparator 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 Comparator 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.