Status:

UNKNOWN

INNOVATIVE TREATMENT OF SCARRED VOCAL FOLDS BY LOCAL INJECTION OF AUTOLOGOUS ADIPOSE-DERIVED STROMAL VASCULAR FRACTION: EFFICACY VERSUS PLACEBO

Lead Sponsor:

Assistance Publique Hopitaux De Marseille

Conditions:

Scarred Vocal Folds

Eligibility:

All Genders

18-70 years

Phase:

PHASE2

Brief Summary

Vocal Folds scarring (whether congenitally or following phonosurgery) can result in a range of symptoms depending on severity and extent, such as hoarseness, breathy voice, increased effort to speak, ...

Eligibility Criteria

Inclusion

  • Subscription to the French Social Security System
  • signed informed consent;
  • voice Handicap Index \> 50/120;
  • scarred vocal folds, congenital (sulcus) or after phonosurgery;
  • scarred middle third in videolaryngostroboscopy;
  • at least six-months delay after initial surgery if appropriate;
  • patients aged between 18 and 70;
  • good general condition;
  • negative pregnancy test \& contraception for women of child-bearing age.

Exclusion

  • Refusal of speech therapy;
  • history of malignant lesion or severe dysplasia of the scarred vocal fold;
  • history of laryngeal papillomatosis;
  • contraindication to local anesthesia;
  • anti-coagulant treatment;
  • coagulation disorders (Prothrombin Ratio \<65%, Activated Partial Thromboplastin Time \>1,2);
  • active infectious diseases;
  • any active viral infection from among the following: HIV, HTLV I and II, VHB, VHC and Syphilis;
  • known sensitivity to human serum albumin (HSA);
  • necessity of intraoperative prophylactic antibiotics;
  • BMI \< 18 kg/m2 to insure adequate abdominal or other subcutaneous adipose tissue accessible to lipoharvest.

Key Trial Info

Start Date :

September 22 2022

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 1 2025

Estimated Enrollment :

36 Patients enrolled

Trial Details

Trial ID

NCT05385159

Start Date

September 22 2022

End Date

June 1 2025

Last Update

September 18 2023

Active Locations (1)

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1

Assistance Publique Hopitaux de Marseille

Marseille, PACA, France, 13354