Bacteriophage Therapy in Patients With Diabetic Foot Osteomyelitis
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT05177107 |
Recruitment Status :
Recruiting
First Posted : January 4, 2022
Last Update Posted : February 6, 2023
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Osteomyelitis Diabetic Foot Osteomyelitis | Biological: Phage Therapy Other: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 126 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | 2:1, phage: placebo |
Masking: | Triple (Participant, Care Provider, Investigator) |
Masking Description: | Double-blind: Patient will be randomized to receive either active phage or placebo treatment. |
Primary Purpose: | Treatment |
Official Title: | A Phase IIa Randomized, Parallel Group, Double-blind, Repeat Dose, Investigating the Safety, Tolerability, and Efficacy of Phage Treatment and Standard of Care Antimicrobials for Patients With Diabetic Foot Osteomyelitis |
Actual Study Start Date : | November 24, 2021 |
Estimated Primary Completion Date : | October 2023 |
Estimated Study Completion Date : | October 2024 |

Arm | Intervention/treatment |
---|---|
Experimental: Group 1: Phage Therapy
Bacteriophage therapy will be personalized for each patient dependent on phage susceptibility testing
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Biological: Phage Therapy
Bacteriophage therapy will be personalized for each patient dependent on phage susceptibility testing |
Placebo Comparator: Group 2: Placebo
Placebo (normal saline) will be administered using the same schedule and techniques as for Group 1 (phage therapy).
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Other: Placebo
Placebo (normal saline) |
- Percent area reduction of study ulcer through Week 13 [ Time Frame: Baseline through Week 13 ]Percent area reduction of the study ulcer surface area from baseline through Week 13
- Complete healing of the study ulcer [ Time Frame: Baseline through Week 13 ]Time to complete healing of the ulcer at any time point during the study
- Time to 85% reduction of C-reactive protein (CRP) [ Time Frame: Baseline through Week 13 ]Time to 85% reduction of CRP at any time point during the study
- Microbiological eradication of the target pathogen [ Time Frame: baseline through Week 13 ]Percentage of patients with microbiological eradication of the target pathogen at each time point during the study.
- Treatment-emergent AEs due to phage therapy [ Time Frame: baseline through Week 12 ]Number and percent of treatment-emergent Adverse Events

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Ages Eligible for Study: | 18 Years to 85 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or female ≥18 to <85 years of age.
- Ongoing diagnosis of diabetes.
- Have undergone or are scheduled to undergo surgical debridement for DFO as part of Standard of Care, with the associated bone culture positive for S. aureus and with the associated histology results consistent with the diagnosis of DFO.
- Meet defined study ulcer requirements as defined in the protocol
Exclusion Criteria:
- Healing of the ulcer by more than 30% between screening and randomization.
- Evidence of sinus tract.
- Suspicion of neoplasm associated with the study ulcer or any non-study diabetic ulcer independent of biopsy result.
- Presence of erythema ≥4 cm at the study ulcer site.
- Presence of any cellulitis not localized to the study ulcer.
- Indwelling hardware at the site of the DFO.
- Body mass index of >40 or weight <50 kg.
- Presence of leg ulcer(s), regardless of limb.
- Abnormal liver function tests
- HbA1c value of more than 12%
- Any other clinically significant or severe disease that in the judgment of the investigator makes the patient unfit for the study or likely to withdraw prematurely from the study, or that could jeopardize the safety of the patient or confound the results of the study.
- Known allergy to phage products.
- Pregnant and/or breastfeeding.
- Immunocompromised at screening in the judgment of the investigator.
- Taking any systemic or topical antibacterial antibiotic within 2 weeks prior to the start of study treatment, for a condition other than Diabetic Foot Infection and DFO.
- Taking any antiviral medication within 2 weeks prior to the start of study treatment and up through the last administration of study treatment.
- Taking and/or receiving any therapies for the study ulcer that are not considered to be SOC.
- Participating in another clinical trial within 4 weeks prior to screening.
- Inability to obtain or provide informed consent or adhere to the protocol in the judgment of the investigator.

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): NCT05177107
Contact: Stephanie Holland | 202-391-8058 | sholland@aphage.com |
United States, Arizona | |
Southern Arizona VA Health Care System | Recruiting |
Tucson, Arizona, United States, 85723 | |
Contact: Phyllis Houston 520-792-1450 ext 14548 phyllis.houston@va.gov | |
Principal Investigator: Jodi Walters | |
United States, Arkansas | |
Central Arkansas Veteran's Healthcare System | Recruiting |
Little Rock, Arkansas, United States, 72205 | |
Contact: Sandra Brock 501-257-6906 brocksandraj@uams.edu | |
Principal Investigator: Mohammed Moursi, MD | |
United States, Colorado | |
Rocky Mountain VA | Recruiting |
Aurora, Colorado, United States, 80045 | |
Contact: Anna Wyrwa 720-409-6402 | |
Principal Investigator: Lindsay Nicholson | |
United States, Florida | |
University of Florida Health - Jacksonville | Recruiting |
Jacksonville, Florida, United States, 32209 | |
Contact: Marie Jimenez 904-244-8269 marie.jimenez@jax.ufl.edu | |
Principal Investigator: Jason Piraino, DPM | |
Floridian Clinical Research | Recruiting |
Miami Lakes, Florida, United States, 33016 | |
Contact: Ivan Garcia igarcia@floridiancr.com | |
Principal Investigator: Gregorio Caban, DPM | |
LCC Medical Research | Recruiting |
Miami, Florida, United States, 33126 | |
Contact: Johana Alvarez 305-400-0814 | |
Principal Investigator: Jacob Silverstone | |
Infectious Disease Consultants od the Treasure Coast | Recruiting |
Sebastian, Florida, United States, 32958 | |
Contact: Natalie Van Cleave | |
Principal Investigator: Laurie Welton | |
United States, Idaho | |
Advanced Specialty Research | Recruiting |
Boise, Idaho, United States, 83702 | |
Contact: Margaret Tracey 208-906-1600 margaret@idahoasr.com | |
Principal Investigator: Philip Burk | |
United States, New Jersey | |
Jersey Shore University Medical Center | Not yet recruiting |
Neptune, New Jersey, United States, 07753 | |
Contact: Erin Anderson 732-776-3312 erin.anderson@hmhn.org | |
Principal Investigator: Edward Liu | |
CurAlta Foot and Ankle | Recruiting |
Westwood, New Jersey, United States, 07675 | |
Contact: Vincent Giacalone | |
Principal Investigator: Vincent Giacalone | |
United States, New York | |
James J. Peters VA | Recruiting |
Bronx, New York, United States, 10468 | |
Contact: Olga Andriunas 718-584-9000 ext 6671 olga.andriunas@va.gov | |
Principal Investigator: Michael Gelman | |
United States, Oklahoma | |
Nextstage Tulsa | Recruiting |
Tulsa, Oklahoma, United States, 74104 | |
Contact: Nga Vo 918-720-8271 nvo@nextstageclinical.com | |
Sub-Investigator: Darnell Blackmon | |
United States, Pennsylvania | |
Martin Foot and Ankle | Withdrawn |
York, Pennsylvania, United States, 17402 | |
United States, Texas | |
Futuro Clinical Trials, LLC | Recruiting |
McAllen, Texas, United States, 78501 | |
Contact: Chrissy Rodriguez 956-999-8399 chrissycffc@gmail.com | |
Principal Investigator: Joseph Caporusso, DPM | |
United States, Virginia | |
Salem VA | Recruiting |
Salem, Virginia, United States, 24153 | |
Contact: Tracey Ochalek 540-892-2463 | |
Principal Investigator: Shikha Vasudeva |
Principal Investigator: | Edward Fang | Chief Medical Officer |
Responsible Party: | Adaptive Phage Therapeutics, Inc. |
ClinicalTrials.gov Identifier: | NCT05177107 |
Other Study ID Numbers: |
APT.DFI.001 |
First Posted: | January 4, 2022 Key Record Dates |
Last Update Posted: | February 6, 2023 |
Last Verified: | February 2023 |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Diabetes Osteomyelitis Foot Infection Phage Treatment |
Bacteriophage Phage Bone Infection |
Osteomyelitis Diabetic Foot Diabetic Angiopathies Vascular Diseases Cardiovascular Diseases Foot Ulcer Leg Ulcer Skin Ulcer Skin Diseases |
Diabetes Complications Diabetes Mellitus Endocrine System Diseases Diabetic Neuropathies Bone Diseases, Infectious Infections Bone Diseases Musculoskeletal Diseases |