Bacteria Clinical Trials

188 recruitingLast updated: June 18, 2026

There are 188 actively recruiting bacteria clinical trials across 64 countries. Studies span Not Applicable, Phase 4, Phase 2, Phase 3, Phase 1, Early Phase 1. Top locations include London, United Kingdom, New York, New York, United States, Toronto, Ontario, Canada. Updated daily from ClinicalTrials.gov.


Bacteria Trials at a Glance

188 actively recruiting trials for bacteria are listed on ClinicalTrialsFinder across 6 cities in 64 countries. The largest study group is Not Applicable with 45 trials, with the heaviest enrollment activity in London, New York, and Toronto. Lead sponsors running bacteria studies include Assistance Publique - Hôpitaux de Paris, GramEye, and Centre Hospitalier de Saint-Denis.

Treatments under study

About Bacteria Clinical Trials

Looking for clinical trials for Bacteria? There are currently 1 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 Bacteria 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 Bacteria 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 120 of 188 trials

Recruiting

Combination vs. Monotherapy for Stenotrophomonas Maltophilia Infections

bloodstream infectionPneumonia, BacterialS Maltophilia Infections
Instituto de Investigación Sanitaria Gregorio Marañón790 enrolled1 locationNCT07593547
Recruiting
Phase 4

Optimization of Beta-lactam Dosing in Critically Ill Patients With Cystatin C (OPTIMIZE-GNI)

Bacterial infection
National Institute of Allergy and Infectious Diseases (NIAID)200 enrolled10 locationsNCT06709521
Recruiting
Not Applicable

Hypertonic Saline Inhalation for Nontuberculous Mycobacterial Lung Disease

BronchiectasisNontuberculous Mycobacterial Lung Disease
Taipei Veterans General Hospital, Taiwan262 enrolled1 locationNCT07647575
Recruiting
Phase 2

A Study to Learn About the Study Medicine Aztreonam-Avibactam (ATM-AVI) in Infants and Newborns Admitted in Hospitals With Bacterial Infection (CHERISH)

Gram-negative Bacterial Infection
Pfizer48 enrolled26 locationsNCT06462235
Recruiting
Phase 2

Study of 2 Medicines (Aztreonam and Avibactam) Compared to Best Available Therapy for Serious Gram-negative Infections

Gram-Negative Bacterial Infections
Pfizer48 enrolled24 locationsNCT05639647
Recruiting

Validation of Soluble Programmed Death-1 in Predicting Progression of Nodular-bronchiectatic Form of Nontuberculous Mycobacterial Lung Disease: a Multi-Country Research

Nontuberculous Mycobacterial Lung Disease
National Taiwan University Hospital500 enrolled1 locationNCT05678166
Recruiting

Clinical Microbial Species & Antibiotic Resistance ID in ED Patients Presenting With Infection - is Rapid ID Possible & Accurate?

SepsisSystemic Inflammatory Response SyndromeInfection, Bacterial+5 more
Michigan State University2,500 enrolled2 locationsNCT01904188
Recruiting

Pharmacokinetics of Antibiotics in Patients With Cystic Fibrosis Trated With Elexacaftor/Tezacaftor/Ivacaftor (ETI)

Cystic Fibrosis (CF)Pulmonary ExacerbationRespiratory Infection Bacterial
Fondation Ildys30 enrolled1 locationNCT07629986
Recruiting
Not Applicable

The LISA (Lactoferrin InStead of Antibiotics/Antifungals) Feasibility Study

Bacterial vaginosisCandida Vaginal
Guy's and St Thomas' NHS Foundation Trust114 enrolled2 locationsNCT05434104
Recruiting

Clinical Efficacy and Population Pharmacokinetics of β-lactams in Cirrhotic Patients

Bacterial Infections
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School1,000 enrolled1 locationNCT07612163
Recruiting

Transmission and Acquisition of Nontuberculous Mycobacteria Outbreak Investigation (TrANsMIt)

Healthcare associated infectionMycobacterium InfectionsNontuberculous Mycobacterial Pulmonary Infection+1 more
University of North Carolina, Chapel Hill100 enrolled1 locationNCT06155747
Recruiting

Preparing for Maternal GBS Vaccine Trials in Africa

Invasive Bacterial Diseases (IBD)Group B StreptococcusMaternal Immunization
Barcelona Institute for Global Health18,100 enrolled10 locationsNCT06833957
Recruiting
Phase 4

Once Daily Intrapleural Enzyme Therapy in Complicated Parapneumonic Effusion or Empyema

EmpyemaPleural EffusionPleural Effusion Associated With Pulmonary Infection+5 more
University of North Carolina, Chapel Hill270 enrolled6 locationsNCT07095361
Recruiting

Health Impact of Non-Tuberculous Mycobacteria Pulmonary Disease (NTM-PD)

BronchiectasisNon-Tuberculous Mycobacteria Pulmonary Disease
University College, London80 enrolled1 locationNCT07192705
Recruiting
Phase 2

Hematopoietic Stem Cell Transplantation (HSCT) for Common Variable Immunodeficiency (CVID) and Other Autoimmune Manifestations of Primary Immune Regulatory Disorders (PIRD)

Immune DysregulationPrimary Immune Regulatory DisorderChronic Granulomatous Disease+12 more
Paul Szabolcs25 enrolled1 locationNCT07284641
Recruiting
Not Applicable

Preventive Effect of Prophylactic Oral Antibiotics Against Cholangitis After Kasai Portoenterostomy

Biliary AtresiaCholangitisAnti-Bacterial Agents
Children's Hospital of Fudan University356 enrolled1 locationNCT05925309
Recruiting

Emergency PWAS in Respiratory Infectious Disease

Viral infectionsSepsisPneumonia+5 more
The University of Hong Kong2,000 enrolled1 locationNCT05336851
Recruiting
Phase 2Phase 3

Finding the Optimal Regimen for Mycobacterium Abscessus Treatment

Pulmonary Disease Due to Mycobacteria (Diagnosis)
The University of Queensland300 enrolled50 locationsNCT04310930
Recruiting

Acute Treatment and Long-term Assessment of Adult Infectious Meningitis

MeningitisBacterial MeningitisViral Meningitis+1 more
Hospital Israelita Albert Einstein624 enrolled3 locationsNCT07027475
Recruiting
Phase 4

Refining Treatment Options for Trichomonas Vaginalis Infection: A Comparative Analysis of Metronidazole and Secnidazole

Trichomonas VaginitisBacterial Vaginitis
Tulane University1,200 enrolled4 locationsNCT06261840