Treatment
Tadalafil clinical trials
We’re tracking 22 recruiting studies that include Tadalafil, each written for real people, not researchers, below.
Recruiting studies
- NCT07753720RecruitingPhase 4
Daily tadalafil with or without another treatment for erectile dysfunction
This study tests whether taking tadalafil daily, either alone or with a second treatment, works better for men with erectile dysfunction who have not responded to on-demand pills. It aims to help men who have not had success with current treatments.
CairoAges 18–70 - NCT07722884Recruiting
Tamsulosin alone or with tadalafil for enlarged prostate symptoms
This study tests whether taking tadalafil (at 2.5 mg or 5 mg) along with tamsulosin is better for treating urinary symptoms caused by an enlarged prostate than taking tamsulosin alone. It aims to find the best dose combination to improve your quality of life.
Cairo, Cairo GovernorateAges 45 years+ - NCT07642505RecruitingPhase 4
L-Citrulline and Tadalafil for Mild Erectile Dysfunction
This study tests whether two compounds—L-citrulline (a natural amino acid) and tadalafil (a common erectile dysfunction medication)—work well together for men with mild to moderate erectile problems. The goal is to see if this combination safely improves sexual function.
Banī Suwayf, Beni Suweif GovernorateAges 30–70 - 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+ - NCT05844462RecruitingPhase 3
Tadalafil for severe lung blood-pressure problems from COPD
This study tests whether tadalafil can improve outcomes for people with severe pulmonary hypertension caused by COPD (chronic lung disease). It compares how you do with tadalafil versus standard care, focusing on breathing symptoms and how well your heart and lungs cope.
Le Kremlin-Bicêtre, FranceAges 18–85 - NCT07773103Recruiting
Tadalafil and blood vessel markers for erectile dysfunction
This study tests whether tadalafil, a daily pill for erectile dysfunction, improves blood vessel health and erectile function. It may help men with erectile dysfunction caused by blood vessel problems.
CairoAges 30–70 - NCT05206955RecruitingPhase 3
Tadalafil versus placebo for Fontan circulation problems
This study tests whether tadalafil (a daily pill) can improve blood flow and protect organs in adults who have had Fontan surgery. Participants will either receive tadalafil or a placebo, and they will be monitored during a planned heart catheter procedure.
Rochester, MinnesotaAges 18 years+ - NCT06583590RecruitingPhase 2/Phase 3
Botulinum toxin plus daily tadalafil for erectile dysfunction
This trial tests if combining two treatments—a botulinum toxin injection and a daily oral medication (tadalafil)—can help men with diabetes-related erectile dysfunction who haven't responded well to standard pills. The goal is to see if this combination improves erections better than either treatment alone.
Aswān, Aswan GovernorateAges 21 years+ - NCT05051436RecruitingPhase 4
Testing mirabegron and tadalafil to improve sugar control
This study looks at whether mirabegron and tadalafil can improve blood sugar control in people with prediabetes. It may help determine if these medicines can slow the move from prediabetes toward diabetes.
Lexington, KentuckyAges 35–65 - NCT05937854RecruitingPhase 2
Tadalafil to help breathing in COPD with pulmonary hypertension
This Phase 2 study tests whether tadalafil can improve breathlessness in people with COPD and pulmonary hypertension (high blood pressure in the lungs). It may help you breathe more easily if your symptoms are driven by this specific lung circulation problem.
Aurora, ColoradoAges 35–89 - NCT05955001RecruitingPhase 2/Phase 3
Tadalafil for early urinary symptoms after prostate surgery
This trial studies whether daily tadalafil (5 mg) can improve early urinary trouble and erection function after endoscopic prostate tissue removal. It may help men whose urinary symptoms continued even after prior medicine.
Al Mansurah, Dakahlia GovernorateAges 40–80 - NCT06520839RecruitingPhase 3
Tadalafil for erectile dysfunction in diabetic men
This trial studies whether a drug called tadalafil can help men with diabetes who also have erectile dysfunction. It looks at how genetic factors might affect treatment response.
LjubljanaAges 40–65 - NCT06968962Recruiting
Starting PAH treatment: one drug first or two drugs together?
This study compares starting with one medication versus two medications together for people with pulmonary arterial hypertension (PAH). It aims to find out which approach works better for low- or intermediate-risk patients.
Hangzhou, ZhejiangAges 18–80 - NCT07391579RecruitingPhase 4
Daily Cialis Plus On-Demand Viagra for Hard-to-Treat ED
This trial tests if taking one Cialis pill daily and a Viagra pill only when needed works better for men who have tried ED pills before but they didn't help. It aims to find a new way to help men who haven't responded to standard ED treatments.
Al Mansurah, Dakahlia GovernorateAges 21 years+ - NCT07416968RecruitingPhase 4
Low dose tadalafil vs solifenacin for overactive bladder in women
This study compares two medications—tadalafil (a daily pill for blood flow) and solifenacin (a pill that relaxes the bladder)—to see which works better for women with overactive bladder (OAB), which causes sudden, strong urges to urinate. It will help doctors find a treatment that may have fewer side effects.
Shibīn al Kawm, Al-MinūfiyyahAges 18–75 - NCT07499804RecruitingPhase 4
Tadalafil for thicker uterine lining before embryo transfer
This study tests whether tadalafil (a medication often used for erectile dysfunction) can help thicken the lining of the uterus before transferring a frozen embryo. If you have good quality frozen embryos, this may improve your chance of a successful pregnancy.
Banī Suwayf, Beni Suweif GovernorateAges 18–43 - NCT06717711RecruitingPhase 3
Shockwave therapy for penis recovery after prostate cancer surgery
This trial tests if low-intensity shockwaves can help men regain erectile function after robot-assisted prostate surgery. If you had nerve-sparing surgery and have good erections before treatment, this may help you recover faster.
Rome, RMAges 18–75 - NCT05558007RecruitingPhase 2
Topical treatment trial after prostate surgery in men
This Phase 2 study tests how safe and effective a topical medicine (BZ371A) is for men after prostate surgery, with the goal of improving sexual recovery and monitoring side effects. You may be able to join if you meet specific timing, health, and medication criteria after radical prostatectomy.
Belo HorizonteAges 40–65 - NCT06290713RecruitingPhase 2
Blood flow and exercise study for Duchenne muscular dystrophy
This trial tests if a medicine that improves blood flow, combined with exercise, can help muscles in boys with Duchenne muscular dystrophy. It is for boys who can still walk and are on a stable steroid medication.
Gainesville, FloridaAges 6 years+ - NCT06442020Recruiting
Shock wave therapy for erectile dysfunction after prostate surgery
This study tests whether low-intensity shock wave therapy can help improve erectile function after robotic prostatectomy for low-risk prostate cancer. It is for men who already had fairly good erections before surgery and want to see if this non-invasive treatment can help their recovery.
RomeAges 18–75 - NCT07245680RecruitingPhase 3
Testing two pills vs one for pulmonary hypertension with heart or metabolism issues
This trial compares starting with two oral medications versus one for people newly diagnosed with pulmonary arterial hypertension (PAH) who also have conditions like high blood pressure, diabetes, obesity, or heart disease. The goal is to see if a two-drug approach works better for patients with these additional health issues.
Le Kremlin-BicêtreAges 18 years+ - NCT07562282Recruiting
Medication combinations for kidney stone stent discomfort
This trial tests two different doses of medications (tamsulosin and tadalafil) to help with pain and discomfort from a plastic tube (called a DJ stent) placed in your kidney after stone removal surgery. The goal is to find which dose combination works best and is safest.
Cairo, AbbasiaAges 18–71
What Tadalafil is being studied for
Conditions with recruiting Tadalafil studies.
Common questions
- Are there clinical trials studying Tadalafil?
- Yes. Clin2 currently lists 22 recruiting studies that include Tadalafil, 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 Tadalafil 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 Tadalafil 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 Tadalafil 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.