Clinical trials
Retention clinical trials
Below are recruiting retention clinical trials, each written for real people, not researchers. We’re tracking 95 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07379814Recruiting
New muscle surgery for urinary retention
This trial tests a surgery that uses a muscle from your belly to help your bladder empty. It may be an option if you have trouble urinating because your bladder muscle is too weak to contract.
Cleveland, OhioAges 18–75 - NCT07079761RecruitingPhase 2
PTSD treatment study with a hormone-like drug
This trial tests if a single infusion of allopregnanolone (a natural brain chemical) can help people with PTSD reduce fear responses and improve memory processing. It may offer a new way to treat PTSD by targeting how the brain stores traumatic memories.
Boston, MassachusettsAges 18–55 - NCT06588101Recruiting
Improving ICU family member trial participation
This trial tests different ways to help families of ICU patients join and stay in research studies. If you have a loved one in the ICU for more than 48 hours, you may be able to help find better ways to support families like yours.
Montreal, QuebecAges 18 years+ - NCT05941806RecruitingPhase 3
Preventing urinary retention after rectal surgery
This trial tests a medication called tamsulosin, given before and after rectal surgery, to see if it helps men urinate normally after the operation. It may help avoid the need for a temporary urinary catheter.
Québec, QuebecAges 18 years+ - NCT05640336Enrolling by invitation
Antibiotics for early knee or hip joint infections after surgery
This study compares two antibiotic plans for acute (early) infections around an artificial knee or hip, using a procedure to clean the joint and try to keep the implant. It may help find the best approach to control infection and then prevent it from coming back with longer-term antibiotic treatment.
Jacksonville, FloridaAges 18 years+ - NCT06262048RecruitingPhase 2
Preventing urinary retention after chest surgery
This trial tests whether a medication called tamsulosin (commonly used for prostate problems) can help prevent trouble urinating after chest surgery. You may be eligible if you are at higher risk for this complication and have some urinary symptoms.
London, OntarioAges 40 years+ - NCT07654413RecruitingPhase 4
Tamsulosin with or without tadalafil for catheter removal after urinary retention
This trial tests whether adding tadalafil to tamsulosin helps men pass a catheter removal test after a first-time urinary blockage caused by an enlarged prostate. The goal is to find which treatment works best to avoid needing a catheter again.
Banī Suwayf, Beni Suweif GovernorateAges 50 years+ - NCT07650968RecruitingPhase 4
Prostate Medication Adjustment After Sudden Inability to Urinate
This trial tests whether increasing your prostate medication (tamsulosin) or switching to a different medication (silodosin) helps you urinate normally again after a sudden blockage caused by an enlarged prostate. The goal is to help you avoid long-term catheter use.
Banī Suwayf, Beni Suweif GovernorateAges 50 years+ - NCT07622277Recruiting
Teeth Alignment Stability After Braces: A Retention Study
This study compares how different face types maintain their bite after orthodontic braces are removed. Researchers will use 3D imaging to track whether teeth stay in their corrected positions during the retention phase (when you wear retainers).
Rohtak, HaryanaAges 18–45 - NCT07603011Recruiting
Catheter timing after prostate laser surgery for urinary problems
This study looks at how long patients should keep a urinary catheter (a tube that drains urine) after having laser surgery to remove prostate tissue. Researchers want to understand what timing works best for patients who couldn't urinate before surgery.
Eskişehir, EskişehirAges 18 years+ - NCT07435259Recruiting
Treating jaw bone problems around dental implants: keep or remove?
This study compares two ways to treat a jaw bone problem caused by medications (called MRONJ) when it happens around a dental implant. One option is to keep the implant and treat the bone, the other is to remove the implant. The goal is to see which approach leads to better healing.
Seoul, SeoulAges 20 years+ - NCT07333378Recruiting
Keeping vernix on newborns to prevent eczema
This study tests whether leaving the white, waxy coating (vernix caseosa) on a newborn’s skin after birth can help prevent the development of eczema (atopic dermatitis) in early childhood. It compares standard bathing practices with preserving this natural skin barrier.
Las Condes, RMAges birth+ - NCT07318103RecruitingPhase 2
Study of HRS-9057 for fluid retention in heart failure
This trial tests an investigational drug, HRS-9057, in people hospitalized with heart failure who still have fluid buildup despite taking standard diuretics. The goal is to see if HRS-9057 helps remove excess fluid better than current treatments.
Beijing, Beijing MunicipalityAges 18 years+ - NCT07283484Recruiting
Early vs. delayed catheter removal in men with sudden urinary retention
This study compares two approaches for men who have had a catheter placed for sudden urinary blockage: trying to remove the catheter early (after 1 day) versus waiting a few more days. It aims to see which timing works better to help you urinate without the catheter.
Harderwijk, GelderlandAges 18 years+ - NCT07253194Recruiting
Can electroacupuncture help with bladder problems after cervical cancer surgery?
This study is testing whether a gentle type of acupuncture called electroacupuncture can help women who have trouble emptying their bladder after cervical cancer surgery. It is a non-drug treatment that may restore normal urination.
Hangzhou, ZhejiangAges 18–70 - NCT07251803Recruiting
GLP-1 medication stomach emptying study
This study uses an ultrasound to look at how full your stomach is after taking GLP-1 medications for diabetes or weight loss. It will help doctors understand if current fasting guidelines are safe before surgery or a colonoscopy.
Charleston, South CarolinaAges 18 years+ - NCT07235371Recruiting
Electrical Acupoint Stimulation for Bladder Recovery After Cervical Cancer Surgery
This study tests whether a gentle, non-invasive electrical stimulation on specific acupoints (like acupuncture points) can help you regain bladder control after cervical cancer surgery. If you've had a catheter for a few weeks and haven't been able to pee on your own, this might be an option to help retrain your bladder.
Hangzhou, ZhejiangAges 18–70 - NCT06123000Recruiting
Comparing two surgeries for gum disease
This study compares two types of gum surgery for people with advanced gum disease. It's designed to see which method works better for treating deep gum pockets and saving bone.
Florence, FIAges 18 years+ - NCT07174349RecruitingPhase 4
Medication to prevent urine retention after spine surgery
This trial tests whether a medication called tamsulosin can prevent or shorten the time you need a urinary catheter after spine surgery. It is for people having specific types of neck or lower back surgery.
Rochester, MinnesotaAges 35 years+ - NCT06978205Recruiting
Balloon dilation for urine retention after spinal cord injury
This trial tests if a balloon dilation procedure in the urethra can help people with spinal cord injury empty their bladder naturally. It looks at whether the treatment reduces the need for catheters.
Jinan, ShandongAges 18–80 - NCT07050277RecruitingPhase 3
Morphine for bladder issues after knee replacement
This study tests whether adding morphine to spinal anesthesia can reduce trouble urinating after a second knee replacement surgery. It may help you avoid needing a catheter after surgery.
Toronto, OntarioAges 21 years+ - NCT06442995RecruitingPhase 4
Magnesium added to morphine after C-section to prevent urine blockage
This study tests whether adding magnesium sulfate to the usual painkiller (morphine) given through the epidural can help prevent trouble urinating after a C-section. It is for women who have had a C-section under epidural anesthesia and are at risk of needing a catheter due to urine retention.
ReimsAges 18 years+ - NCT05973838Recruiting
Telemedicine support plus recovery coaching for multiple drug use
This study tests whether adding peer recovery support to a phone/video treatment program helps people stay in treatment longer and reduce polysubstance use. It focuses on adults in opioid use disorder care who have used other non-prescribed substances in the last three months.
Washington D.C., District of ColumbiaAges 18 years+ - NCT05727670Enrolling by invitation
Treatment for teeth that stay in place
This study looks at a treatment plan for people who have “retentive teeth,” meaning certain teeth are not coming through or are staying in a problem way. The goal is to see whether this approach works better for fixing that issue.
Samara, Samara OblastAges 15–25
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Common questions
- Are there clinical trials for retention?
- Yes. Clin2 currently lists 95 recruiting retention 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 retention 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 retention 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.