NCT06036485

Brief Summary

Chronic leg ulcerations are a great burden for patients and the medical system alike. Frequent outpatient consultations with associated treatment costs and travel costs for the patient as well as psychosocial burdens remain an unmet problem in chronic wound care. There is an increasing need for definitive treatment of especially chronic venous and multifactorial chronic leg ulceration where arterial intervention is not a treatment option. Minimal invasive surgical interventions that do not require skin grafting can be performed under local anesthesia in an outpatient setting even in multimorbid patients. Kerecis Omega3 Wound is intact decellularized fish skin. The fish skin sheets contain fat, protein, elastin, glycans and other natural skin elements and it can be an effective treatment option in chronic leg ulcerations and is licensed for this use as a medical product in Switzerland. However, limited data without inter-wound bias is available for the use of Kerecis Omega 3 in chronic leg ulcerations. In this study the investigators propose to investigate the efficacy of Kerecis Omega 3 according to objective wound surface measurements using standardized digital photographs in patients with chronic leg ulcerations. Efficacy will be evaluated against standard of care wound debridement.

Trial Health

15
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started May 2023

Status
withdrawn

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

First Submitted

Initial submission to the registry

March 15, 2023

Completed
2 months until next milestone

Study Start

First participant enrolled

May 1, 2023

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2023

Completed
5 months until next milestone

First Posted

Study publicly available on registry

September 14, 2023

Completed
Last Updated

December 6, 2024

Status Verified

December 1, 2024

Enrollment Period

Same day

First QC Date

March 15, 2023

Last Update Submit

December 3, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in ulcer surface area

    Change in ulcer surface area as assessed by standardized photography and digital imaging.

    12 weeks

Secondary Outcomes (4)

  • Change in patient quality of life

    2, 4, 6 and 12 weeks

  • Change in wound microbiota as assessed by alpha diversity of the microbial composition

    2, 4, 6 and 12 weeks

  • Change in wound microbiota as assessed by beta diversity of the microbial composition

    2, 4, 6 and 12 weeks

  • Change in ulcer surface area

    2, 4, 6 and 12 weeks

Other Outcomes (1)

  • Incidence of adverse events

    12 weeks

Study Arms (2)

Kerecis Omega 3

EXPERIMENTAL
Device: Kerecis Omega 3

Surgical debridement

ACTIVE COMPARATOR
Procedure: Surgical debridement

Interventions

Decellularized intact fish skin developed for the management of chronic wounds

Kerecis Omega 3

Superficial sharp surgical debridement technique

Surgical debridement

Eligibility Criteria

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

You may qualify if:

  • Any chronic leg ulcer \> 4 weeks duration with delayed wound healing (reduction of wound surface of less than 40-50% within 4 weeks under adequate local therapy) without underlying treatable medical conditions
  • Ulcer area at between 5cm2 and 60cm2
  • Bacterial swab sampling prior to study
  • Written study informed consent

You may not qualify if:

  • History of Fish allergy or proven Fish allergy
  • Pregnant or breast-feeding women
  • Intention to become pregnant during the course of the study
  • Wound not suitable for dressing: inflammation, fibrin coatings
  • Inability to understand the study consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Leg Ulcer

Condition Hierarchy (Ancestors)

Skin UlcerSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Simon Bossart, MD

    Department of dermatology, University Hospital Inselspital, Bern

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: 1:1 in-wound split design with random allocation
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 15, 2023

First Posted

September 14, 2023

Study Start

May 1, 2023

Primary Completion

May 1, 2023

Study Completion

May 1, 2023

Last Updated

December 6, 2024

Record last verified: 2024-12

Data Sharing

IPD Sharing
Will not share