Complicated urinary tract infection Clinical Trials

6 recruitingLast updated: May 11, 2026

There are 6 actively recruiting complicated urinary tract infection clinical trials across 11 countries. Studies span Phase 3, Phase 4, Phase 2. Top locations include Alexandroupoli, Greece, Athens, Greece, Auckland, Auckland Province, New Zealand. Updated daily from ClinicalTrials.gov.


Complicated urinary tract infection Trials at a Glance

6 actively recruiting trials for complicated urinary tract infection are listed on ClinicalTrialsFinder across 6 cities in 11 countries. The largest study group is Phase 3 with 2 trials, with the heaviest enrollment activity in Alexandroupoli, Athens, and Auckland. Lead sponsors running complicated urinary tract infection studies include Jiangsu HengRui Medicine Co., Ltd., Murdoch Childrens Research Institute, and Pfizer.

Browse complicated urinary tract infection trials by phase

Treatments under study

About Complicated urinary tract infection Clinical Trials

Looking for clinical trials for Complicated urinary tract infection? There are currently 4 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Complicated urinary tract infection trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Complicated urinary tract infection clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 16 of 6 trials

Recruiting
Phase 2

A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Meropenem-Vaborbactam in Children With Complicated Urinary Tract Infection, Including Acute Pyelonephritis

Complicated urinary tract infectionAcute Pyelonephritis
Rempex (a wholly owned subsidiary of Melinta Therapeutics, LLC)66 enrolled26 locationsNCT06672978
Recruiting
Phase 4

Single Dose Intravenous Antibiotics for Complicated Urinary Tract Infections in Children

Complicated urinary tract infectionInfectionPediatric Infectious Disease
Murdoch Childrens Research Institute452 enrolled6 locationsNCT04876131
Recruiting

A Study to Learn About the Study Medicine Zavicefta After it is Released Into the Markets in Korea

Hospital-Acquired PneumoniaComplicated urinary tract infectionComplicated Intra-abdominal Infection
Pfizer600 enrolled1 locationNCT05733104
Recruiting
Phase 3

Study to Assess the Efficacy and Safety of Meropenem and Pralurbactam in Carbapenem-Resistant Enterobacteriaceae Infections

Hospital-acquired Bacterial Pneumonia (HABP)Ventilator-associated Bacterial Pneumonia (VABP)Complicated Intra-abdominal Infection (cIAI)+2 more
Qilu Pharmaceutical Co., Ltd.80 enrolled1 locationNCT07089186
Recruiting
Phase 3

A Trial of HRS-8427 in the Treatment of Adults With Complicated Urinary Tract Infection, Including Acute Pyelonephritis

Complicated Urinary Tract Infection(cUTI), Including Acute Pyelonephritis(AP)
Jiangsu HengRui Medicine Co., Ltd.578 enrolled1 locationNCT06569056
Recruiting
Phase 4

Reduction of Maintenance Immunosuppression in Kidney Transplant Recipients during Acute Complicated Urinary Tract Infection

Immunosuppressive therapyComplicated urinary tract infection
prof. Tomas Reischig, MD, PhD - Faculty of Medicine in Pilsen, Charles University, and Teaching Hospital112 enrolled1 locationACTRN12624001408572