NCT06020235

Brief Summary

The goal of this clinical trial is to test a topical drug in patients with mild infections of their diabetic foot ulcer. The main questions it aims to answer are: What strength does the drug need to be in order to make the infection better? How frequently does the drug need to be applied in order to make the infection better? Participants will be asked to apply the medicine on their foot ulcer twice a day for 2 weeks and remain off of that foot during that time. Participants will receive the medication either once a day or twice a day, in either a 5% or 10% gel, or placebo. Researchers will compare the 5% and 10% gels to placebo to see if the infection improves.

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P50-P75 for phase_2

Timeline
3mo left

Started Dec 2025

Shorter than P25 for phase_2

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress65%
Dec 2025Aug 2026

First Submitted

Initial submission to the registry

August 8, 2023

Completed
23 days until next milestone

First Posted

Study publicly available on registry

August 31, 2023

Completed
2.3 years until next milestone

Study Start

First participant enrolled

December 1, 2025

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2026

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2026

Last Updated

March 6, 2025

Status Verified

March 1, 2025

Enrollment Period

6 months

First QC Date

August 8, 2023

Last Update Submit

March 3, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Safety

    Number of AEs overall and those assessed by the investigators as possibly, probably, and definitely related to the study drug; number of SAEs per patient and cohort

    Day 0 to Day 28

  • Efficacy

    The rate of reduction in CFUs by \>=2 logs per pathogen identified as typical and highly suspicious for being the cause of the infection, in each treatment group compared to placebo group at Day 7 compared to Day 0, and Day 14 compared to Day 0.

    Day 0 to Day 14

Secondary Outcomes (5)

  • Treatment failure rate per treatment regimen

    Day 0 to Day 14

  • Treatment failure rate per treatment regimen

    Day 0 to Day 14

  • Safety

    Day 0 to Day 28

  • Safety

    Day 0 to Day 28

  • Pharmacokinetics

    Day 0 to Day 13

Other Outcomes (3)

  • Wound healing

    Day 0 to Day 28

  • Wound healing

    Day 0 to Day 28

  • Wound healing

    Day 0 to Day 28

Study Arms (5)

5% Nu-3 gel once daily

EXPERIMENTAL

The 5% Nu-3 gel is applied once per day and placebo is applied once per day.

Drug: 5% Nu-3 gelDrug: Placebo

5% Nu-3 gel twice daily

EXPERIMENTAL

The 5% Nu-3 gel is applied twice per day.

Drug: 5% Nu-3 gel

10% Nu-3 gel once daily

EXPERIMENTAL

The 10% Nu-3 gel is applied once per day and placebo is applied once per day.

Drug: 10% Nu-3 gelDrug: Placebo

10% Nu-3 gel twice daily

EXPERIMENTAL

The 10% Nu-3 gel is applied twice per day.

Drug: 10% Nu-3 gel

Placebo

PLACEBO COMPARATOR

The placebo is applied twice per day.

Drug: Placebo

Interventions

The gel is called Nu-3 which is either applied once per day or twice per day to the infected ulcer.

5% Nu-3 gel once daily5% Nu-3 gel twice daily

The gel is called Nu-3 which is either applied once per day or twice per day to the infected ulcer.

10% Nu-3 gel once daily10% Nu-3 gel twice daily

Placebo gel is either applied once per day or twice per day to the infected ulcer.

10% Nu-3 gel once daily5% Nu-3 gel once dailyPlacebo

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • \. Male and female subjects ≥18 years of age. 2. Voluntary written informed consent, including information about the provisions of the Health Insurance Portability and accountability act (HIPAA) as applicable.
  • \. Non-hospitalized ambulatory subjects diagnosed with diabetes mellitus, Type I or II per ADA criteria with signs of a localized mild foot infection as defined by the IDSA infection severity criteria (Lipsky,2012)
  • a. the presence of purulent drainage or at least two of the following criteria: i. erythema, ii. warmth, iii. pain or tenderness, iv. edema, or v. induration (The diagnosis of mild infection must be confirmed immediately following debridement at Baseline).
  • \. The target ulcer is classified as a grade 1 ulcer according to the Wagner Scale (Wagner 1979). The ulcer is a superficial, full-thickness ulcer limited to the dermis, not extending to the subcutis. Target ulcer is \>1 cm2 and \<12 cm2 post debridement at baseline and must be no higher than the ankle, on or below the malleolus (ankle bone) with ≥50% below the malleolus.
  • \. Adequate vascular perfusion as evidenced by one of the following:
  • Dorsal transcutaneous oxygen measurement (TCOM) or a skin perfusion pressure (SPP) measurement of ≥ 40 mmHg
  • Ankle Branchial Index (ABI) between 0.9 and 1.3 within 3 months of Screening using the extremity with the target ulcer.
  • Arterial Doppler ultrasound evaluating for biphasic or triphasic dorsalis pedis and posterior tibial vessels at the level of the ankle or a TBI (Toe Brachial Index) of \>0.75.
  • \. Subject has a caregiver who will attend the Baseline visit (V2) and/or watch the dosing and dressing demonstration video and apply wound treatment along with study dressings for the study duration.
  • \. Must meet one of the following criteria:
  • a. Female subjects of Non-Child-Bearing Potential i. Postmenopausal for at least 1 year ii. Surgically sterilized (i.e., hysterectomy or bilateral oophorectomy more than 3 months prior to Screening) iii. Bilateral tube ligation \> 6 months prior to screening iv. A negative serum β-hCG pregnancy test at screening and no breastfeeding after the administration of the study drug.
  • b. Male subjects of Non-Childbearing Potential defined as: i. Vasectomized subjects for \> 6 months prior to Screening ii. Those diagnosed as sterile by a physician. c. Females and Males of Childbearing Potential who practice an acceptable method of contraception defined as the i. Use of any form of hormonal contraceptive ii. Use of a barrier method with spermicide, condoms, intrauterine device, iii. Abstinence from sexual intercourse starting at least 60 days prior to Screening and continuing at least 14 days following the last treatment.
  • \. Subjects must be willing to undergo all clinical investigation-related procedures, attend all required visits, and cooperate fully with the investigator and site personnel.
  • \. Subject must be willing to wear offloading RCW, if necessary, throughout the duration of the clinical treatment.
  • \. Subject must have plain radiograph taken at screening and prior to randomization showing no evidence of bony abnormalities consistent with osteomyelitis, or gas compatible with tissue crepitus, in the affected foot.

You may not qualify if:

  • \. Ulceration with exposed tendon, capsule, or bone 2. IDSA-defined moderate or severe DFU infection. 3. Infected diabetic foot ulcer that is associated with local wound complication such as prosthetic materials or protruding surgical hardware.
  • \. \> 1 infected foot ulcer 5. Subject is currently receiving topical antimicrobial treatment for a localized infection of the study ulcer and whose infection is improving in response to treatment.
  • \. Subject has received a systemic antibiotic within 48 hours prior to Screening.
  • \. Concurrent or expected to require systemic antimicrobials during the study period for any infection including diabetic foot ulcer.
  • \. Any subject that has active viral hepatitis (A, B, C) and/or untreated HIV/AIDS.
  • \. Any subject that has vascular compromise requiring surgical intervention or has undergone vascular reconstruction or angioplasty less than 1 month prior to randomization. Any planned surgical procedures during the study participation 10. eGFR \<60 and/or subject on hemodialysis within 3 months prior to randomization.
  • \. Hemoglobin A1c (HbA1c) \>12% within 3 months prior to randomization. 12. Aspartate Aminotransferase (AST, GOT) and/or Alanine Aminotransferase (ALT, GPT) \>3.0 x the upper limit of normal and/or bilirubin \>1.5 x the upper limit of normal within 3 months prior to randomization.
  • \. Acute active Charcot foot 14. Any subject that would be unable to safely monitor the infection status at home and return for scheduled visits.
  • \. History of immunosuppression within 3 months prior to randomization, or taking immunosuppressive agents including systemic corticosteroids, except stable daily doses of 5 mg/day or less for chronic conditions 16. Any subject with a life expectancy ≤ 6 months 17. Use of investigational drugs within 28 days prior to screening 18. Use of Aspirin® or acetylsalicylic acid containing medication (except low-dose aspirin) \< 7 days before baseline, 19. Use of oral anticoagulants (e.g., warfarin, Xarelto® or comparable products).
  • \. History of concurrent condition that, in the Investigator's opinion, would jeopardize the safety of the subject or compliance with the protocol including known or suspected active abuse of alcohol, narcotics, or non-prescription drugs.
  • \. Prior randomization in this clinical trial, or a previous Bisphosphocin study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 8, 2023

First Posted

August 31, 2023

Study Start

December 1, 2025

Primary Completion (Estimated)

June 1, 2026

Study Completion (Estimated)

August 1, 2026

Last Updated

March 6, 2025

Record last verified: 2025-03

Data Sharing

IPD Sharing
Will not share