CClinicalTrials.gg
TerminatedNCT01858753Updated Oct 13, 2021Results posted

Pilot Study of Azficel-T for the Treatment of Restrictive Burn Scars

A Phase 2 interventional study of Autologous fibroblasts and placebo sterile saline in Restrictive Burn Scars, sponsored by Castle Creek Biosciences, LLC.. Terminated at 9 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2021-10-13.

Sponsored by Castle Creek Biosciences, LLC. · Phase 2, Interventional, and Treatment

Why this study was terminated
unable to enroll
Phase
Phase 2
Study type
Interventional
Enrollment
5
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

This Phase II, double-blind, randomized, placebo-controlled pilot study is designed to determine whether injection of autologous fibroblasts can increase the mobility (decrease the restriction) of burn scars. The study will assess the effects of azficel-T (autologous fibroblasts) in subjects who have a unilateral burn scar that is no deeper than the fascia (i.e., underlying structures including ligament, tendon, muscle, and bone must not contribute to the restriction) and that is either:

  1. An axillary scar causing 20-60% restriction of shoulder adduction
  2. An anterior elbow scar causing 20-60% restriction of elbow extension
  3. A dorsal or palmar lesion of a single finger causing 20-60% restriction of flexion or extension

Subjects will each receive 2 injections of azficel-T or placebo administered 14 days (± 7 days) apart (depending on cell availability) and will be followed for efficacy (including range of motion measurements, scar pain and ability to perform activities) to Visit 7 and for safety to Visit 9 at 1 year.

02

Conditions studied

  • Restrictive Burn Scars

Browse trials for

Keywords

  • burn scars
  • restrictive
  • contractures
  • autologous fibroblasts
03

In context

Cicatrix

307 studies on the registry are indexed under Cicatrix; 50 are open to participants now.

This study's enrollment of 5 is below the median of 39 across 251 interventional studies indexed under Cicatrix.

Browse Cicatrix studies →

Lead sponsor

Castle Creek Biosciences, LLC. is the lead sponsor of 12 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Subject is at least 18 years of age
  2. Subject has a unilateral burn scar of a jointed area (i.e., finger, elbow, shoulder) that is no deeper than the fascia (i.e., underlying structures including ligament, tendon, muscle, and bone must not contribute to the restriction) and that is either:

    1. An axillary scar causing 20-60% restriction of shoulder abduction
    2. An anterior elbow scar causing 20-60% restriction of elbow extension
    3. A dorsal or palmar lesion of a single finger causing 20-60% restriction of flexion or extension
  3. Subject's burn scar to be treated is \<100 sq cm in size
  4. Injury occurred ≤ 36 months prior to screening
  5. By the Investigator's assessment, physical therapy will not provide significant continuous improvement to the range of motion of the subject's joint
  6. Subject agrees to maintain any current physical therapy regimen for the duration of the study
  7. Subject must be able to provide written informed consent and comply with the study requirements
  8. Females of childbearing potential must have a negative urine pregnancy test at the screening visit and prior to the first treatment, and must agree to use a reliable means of birth control for the duration of the study
  9. Subject has healthy, non-scarred post auricular skin area suitable for biopsy
  10. Subject must have a normal complete blood count (CBC) and chemistry panel within 90 days prior to enrollment

Exclusion criteria

Exclusion Criteria:

  1. Restrictive burn scars that are primarily classified as keloid scars
  2. Subjects for whom a post auricular biopsy cannot be collected for azficel-T production
  3. Sunburn or sun damage in the area that will be used for biopsy
  4. Plans to initiate any other new scar therapy during the study period
  5. Treatment with an investigational product or procedure within 30 days prior to study enrollment or plans to participate in another clinical trial during the course of this study
  6. History of active autoimmune disease or organ transplantation
  7. Diagnosis of cancer, including basal cell carcinoma, unless successfully treated or in remission for a minimum of 6 months
  8. Known genetic disorders affecting fibroblasts or collagen, such as achondroplasia, osteogenesis imperfecta, epidermolysis bullosa, ataxia-telangiectasia, Ehlers Danlos syndrome, etc.
  9. Active systemic infection
  10. Requires chronic antibiotic or steroidal therapy
  11. Any conditions that are considered by the Investigator to be contraindications to biopsy or injection
  12. Pregnant or lactating women, or women trying to become pregnant during the study
  13. Subject has any disorder that may prevent compliance, such as history of chronic alcohol or drug abuse, significant mental or nervous disorder or other illness that would, in the Investigator's opinion, interfere with the study
  14. Presence of other disease or condition that would result in impairment of the range of motion of the extremity, e.g., rheumatoid arthritis or stroke
05

Study design

Phase
Phase 2
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
5 participants (actual)

Study arms

  • Experimental
    Autologous fibroblasts

    Autologous fibroblasts grown in culture from skin biopsy taken from patient. The cells will be injected into the scars to be treated.

    Biological: Autologous fibroblasts

  • Placebo comparator
    Sterile saline

    Sterile saline will be injected into the scar to be evaluated.

    Biological: Autologous fibroblasts · Biological: placebo sterile saline

Interventions

  • BiologicalAutologous fibroblasts

    Also known as: Azficel-T

  • Biologicalplacebo sterile saline
06

What researchers measure

Primary outcomes

  1. Percentage Change From Baseline (CFB) of Range of Motion (ROM) of the Affected Joint

    Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

    Time frame: Baseline and post-treatment (visit occurred between 194 - 208 days from baseline)

  2. Percentage CFB of ROM of the Affected Joint

    Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

    Time frame: Baseline and post-treatment (visit occurred between 23 - 37 days from baseline)

  3. Percentage CFB of ROM of the Affected Joint

    Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

    Time frame: Baseline and post-treatment (visit occurred between 53 - 67 days from baseline)

  4. Percentage CFB of ROM of the Affected Joint

    Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

    Time frame: Baseline and post-treatment (visit occurred between 93 - 97 days from baseline)

  5. Percentage CFB of ROM of the Affected Joint

    Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

    Time frame: Baseline and post-treatment (visit occurred between 113 - 127 days from baseline)

07

Results

Posted Jul 19, 2021
Limitations and caveats
Early termination leading to small numbers of subjects enrolled and completed; some data uninterpretable due to late data entry. With low enrollment (three subjects in mITT population and five subjects in safety population), a meaningful statistical analysis was not possible for this study.

Participant flow

Participant flow — Overall Study
MilestoneAutologous FibroblastsSterile Saline
Started50
Completed00
Not completed50

Outcome measures

PrimaryPercentage Change From Baseline (CFB) of Range of Motion (ROM) of the Affected Joint

Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

Time frame:
Baseline and post-treatment (visit occurred between 194 - 208 days from baseline)
Reported as:
Mean · percent change
Percentage Change From Baseline (CFB) of Range of Motion (ROM) of the Affected Joint
percent changeAutologous FibroblastsSterile Saline
Percentage Change From Baseline (CFB) of Range of Motion (ROM) of the Affected Joint52.0 ± 23.40—
PrimaryPercentage CFB of ROM of the Affected Joint

Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

Time frame:
Baseline and post-treatment (visit occurred between 23 - 37 days from baseline)
Reported as:
Mean · percent change
Percentage CFB of ROM of the Affected Joint
percent changeAutologous FibroblastsSterile Saline
Percentage CFB of ROM of the Affected Joint39.6 ± 10.88—
PrimaryPercentage CFB of ROM of the Affected Joint

Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

Time frame:
Baseline and post-treatment (visit occurred between 53 - 67 days from baseline)
Reported as:
Mean · percent change
Percentage CFB of ROM of the Affected Joint
percent changeAutologous FibroblastsSterile Saline
Percentage CFB of ROM of the Affected Joint54.9 ± 25.86—
PrimaryPercentage CFB of ROM of the Affected Joint

Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

Time frame:
Baseline and post-treatment (visit occurred between 93 - 97 days from baseline)
Reported as:
Mean · percent change
Percentage CFB of ROM of the Affected Joint
percent changeAutologous FibroblastsSterile Saline
Percentage CFB of ROM of the Affected Joint56.0 ± 29.33—
PrimaryPercentage CFB of ROM of the Affected Joint

Percentage CFB was calculated by subtracting the baseline ROM measurement from the post-treatment ROM measurement, divided by the baseline ROM measurement, and multiplying by 100.

Time frame:
Baseline and post-treatment (visit occurred between 113 - 127 days from baseline)
Reported as:
Mean · percent change
Percentage CFB of ROM of the Affected Joint
percent changeAutologous FibroblastsSterile Saline
Percentage CFB of ROM of the Affected Joint52.0 ± 23.40—

Adverse events

Collected over Adverse events were collected from the time of the subject's biopsy through visit 9 (i.e., 360 days from their second treatment).. Non-serious events are listed at a 0% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Autologous Fibroblasts0/5 (0%)0/5 (0%)2/5 (40%)
Sterile Saline———
Most frequent other events
Most frequent other events
EventAutologous FibroblastsSterile Saline
Injection site painGeneral disorders1/5—
SyncopeNervous system disorders1/5—

Baseline characteristics

MITT population

Age, Continuous
Age, Continuous(years)Autologous FibroblastsSterile SalineTotal
Mean56.0 ± 13.00—56.0 ± 13.00
Sex: Female, Male
Sex: Female, Male(Participants)Autologous FibroblastsSterile SalineTotal
Female0—0
Male3—3
Region of Enrollment
Region of Enrollment(participants)Autologous FibroblastsSterile SalineTotal
United States3—3
ROM of the Affected Joint
ROM of the Affected Joint(degrees)Autologous FibroblastsSterile SalineTotal
Mean124.0 ± 39.34—124.0 ± 39.34
08

Study locations

9 sites
  • Univ of California David Medical Center
    Sacramento, California 95817, United States
  • Univ of California San Diego
    San Diego, California 92103, United States
  • Division of Burns and Trauma, Jackson Memorial Hospital
    Miami, Florida 33136, United States
  • Loyola University Medical Center
    Maywood, Illinois 60153, United States
  • Richard M. Fairbanks Burn Center
    Indianapolis, Indiana 46202, United States
  • Long Island Plastic Surgical Group
    Garden City, New York 11530, United States
  • Lehigh Valley Health Network
    Allentown, Pennsylvania 18103, United States
  • Center for Innovation in Restorative Medicine
    Pittsburgh, Pennsylvania 15213, United States
  • Univ of Washington, Harborview Medical Center
    Seattle, Washington 98104, United States
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 13, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01858753
Lead sponsor
Castle Creek Biosciences, LLC.
Responsible party
Sponsor
First posted
May 21, 2013
Start date
May 2013
Primary completion
May 2016
Completion
Jul 2016
Results posted
Jul 19, 2021
Last update
Oct 13, 2021

Study contacts

Daniel D Lozano, MD
principal investigator · Lehigh Valley Health Network

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Sep 2021. You cannot join it, but the record below documents what was studied.

Follow this study

Get an email when the registry record changes — status, dates, results — or when someone posts here.

Sign in to follow

Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.

Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.

Start the discussion