Phage Therapy for the Treatment of Urinary Tract Infection
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ClinicalTrials.gov Identifier: NCT05537519 |
Recruitment Status :
Active, not recruiting
First Posted : September 13, 2022
Last Update Posted : June 22, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Recurrent Urinary Tract Infection | Biological: Phage Therapy | Phase 1 Phase 2 |
This is a single-patient, phase I/II clinical trial that aims to evaluate the potential of bacteriophage therapy to treat and prevent the recurrence of a drug-resistant urinary tract infection. This study will follow a minimally invasive phage therapy approach consisting of oral, topical and bladder installations of a 3-phage cocktail comprised of HP3, HP3.1 and ES19.
Oral and bladder installation of bacteriophages will be administered on day 1 - and potentially day 7 depending on day 5 urine and stool lab results - and a topical preparation will be applied externally to the urethra for 30-minutes on days 1 to 3. However, if the participant is still experiencing mild symptoms on day 5, systemic antibiotics will be administered in combination with phage therapy.
The primary objective is to determine the safety and tolerability of minimally invasive bacteriophage therapy for treating recurrent urinary tract infections with severe long-term effects.
The secondary objective is to evaluate the 90-day clinical and microbial response to the minimally invasive administration of bacteriophages for recurrent urinary tract infections with severe long-term outcomes.
The total duration of participant involvement is 2 years, while the study is estimated to be completed in 3 years.
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 1 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | Phage Therapy for the Treatment of Urinary Tract Infection |
Actual Study Start Date : | May 1, 2023 |
Estimated Primary Completion Date : | September 15, 2025 |
Estimated Study Completion Date : | December 30, 2025 |

Arm | Intervention/treatment |
---|---|
Experimental: Open Label Arm |
Biological: Phage Therapy
3-phage cocktail comprised of HP3, HP3.1 and ES19 |
- Safety and Tolerability [ Time Frame: 90 Days ]
The primary objective is to determine the safety and tolerability of minimally invasive bacteriophage therapy for treating recurrent urinary tract infections with severe long-term effects.
These will be assessed through the use of a daily symptom questionnaire, adverse events (AEs), clinical and research laboratory results.
- Clinical and microbial response [ Time Frame: 90 Days ]The secondary objective is to evaluate the 90-day clinical outcomes through a daily paper questionnaire and microbial response assessed through a series of blood, urine, stool, and vaginal sample, to the minimally invasive administration of bacteriophages for recurrent urinary tract infections with severe long-term outcomes.

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Diagnosis of recurrent chronic urinary tract infections with severe long term effects
- Can speak and understand English
- Willing to follow the protocol
Exclusion Criteria:
- Stage 5 chronic kidney disease
- Abnormal liver function tests
- A urinary stent or chronic indwelling catheterization
- A known allergy to phage products
- Fever
- Pregnancy
- Involved in another clinical trial

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05537519
Canada, Ontario | |
St. Joseph's Health Centre | |
Toronto, Ontario, Canada, M6R 1B5 |
Principal Investigator: | Gregory German, MD PhD FRCPC | Unity Health Toronto |
Responsible Party: | Unity Health Toronto |
ClinicalTrials.gov Identifier: | NCT05537519 |
Other Study ID Numbers: |
Phage Therapy 001 |
First Posted: | September 13, 2022 Key Record Dates |
Last Update Posted: | June 22, 2023 |
Last Verified: | June 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Phage Therapy Recurrent urinary tract infection |
Infections Communicable Diseases Urinary Tract Infections Disease Attributes Pathologic Processes |
Urologic Diseases Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Urogenital Diseases Male Urogenital Diseases |