Clinical trial Recruiting at 1 site Phase1; Phase2 Interventional Ages 18 and up

Scar remodeling after burn injury using stem cells from fat tissue

Official title: Scar Remodeling After Burn Injury Using Allogeneic Adipose-derived Stromal Cells

Run by Copenhagen University Hospital, Rigshospitalet · NCT07635875 · Data updated 2026-11-12

This trial tests whether injecting allogeneic adipose-derived stem cells into burn scars can improve scar quality for adults with hypertrophic scars.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment39 (estimated)
SponsorCopenhagen University Hospital, Rigshospitalet
Academic / other
Locations1 site (Copenhagen, East)
StatusRecruiting
StartedApril 16, 2026
Main results expectedApril 1, 2028
Study endsMay 31, 2028
Registry record updatedJune 9, 2026
Trial IDNCT07635875 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (≥18 years) with hypertrophic burn scars at least 2 years old, located on the front torso or extremities, and eligible for participation as defined by the study criteria.

Probably not a fit

Individuals with active cancer, recent steroid therapy, pregnancy, keloids, or other exclusion criteria may not experience benefit and could be at risk.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The ScarASC program combines Phase 1 and Phase 2 to test safety and preliminary effectiveness of allogeneic adipose-derived mesenchymal stromal cells for burn scar remodeling. In the randomized design, two 6 cm by 6 cm scar areas on each patient receive either the stem cell treatment or placebo, with patient-reported outcomes as the primary endpoint and objective 3D scar assessments as complementary data. Participants are adults with mature hypertrophic burn scars on the front torso or extremities, without significant comorbidities. The study uses cryopreserved adipose-derived cells delivered in Cryostor CS10 with Ringers lactate. Trial locations include Copenhagen and collaborating Danish centers, led by Rigshospitalet with university partners.

Why it matters

Potential benefit: If successful, patients could experience improved scar appearance and symptoms, potentially reducing pain, itching, and functional limitation.

How similar studies have gone: Previous stem cell approaches for scar treatment are limited; this trial is among the first randomized studies in burn scar patients using adipose-derived cells.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults ≥ 18 years of age
* Males and females
* Hypertrophic scars (age of scar \> 2 years) after burn injuries on the front thorax or extremities.
* Two uniform 6 cm x 6 cm areas of burn scar tissue on the front thorax or extremities. The scar should be large enough to separate the areas by a minimum of two centimeters.
* Ability to understand information about the project.

Exclusion Criteria:

* Significant comorbidities or lack of cognitive abilities to follow instructions.
* Not being able to participate due to language or other personal issues.
* Pregnancy or breastfeeding
* Current or previous steroid therapy (systemic or local) within one year.
* Scar revision surgery within one year in the affected areas.
* Keloids.
* Active cancer or previous cancer within two years (skin cancers do not apply)
* Penicillin and Streptomycin allergy.

Where it's running

  • Copenhagen University Hospital
    Copenhagen, East, Denmark
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.