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Vaccines, Blood & Biologics

Pediatric Research and Equity Act Waivers - Laviv

BLA #: 125348                        Supplement Type: N/A Supplement Number: N/A

Product name and active ingredient/dosage form:

  • Product name: azficel-T
  • Active ingredient: a suspension of autologous cultured fibroblasts expanded from a patient’s skin biopsy
  • Dosage: 0.1 mL/linear cm (1.0-2.0 x 107 cells/mL), up to 2 mL/Tx. by intradermal injections.  In the two pivotal clinical trials, a course of treatment consisted of three treatment sessions scheduled five weeks apart.

Sponsor: Fibrocel Technology

Indications(s): Treatment of moderate to severe nasolabial fold wrinkles in adults
(NOTE: If the drug is approved for or Sponsor is seeking approval for more than one indication, address the following for each indication.)

  1. Pediatric age group(s) to be waived.

Up to age 18

  1. Reason(s) for waiving pediatric assessment requirements (choose all that apply and provide justification):
    1. Studies are impossible or highly impractical (e.g. the number of pediatric patients is so small or is geographically dispersed). If applicable, chose from adult-related conditions in Attachment I
    1. The product would be ineffective or unsafe in one or more of the pediatric group(s) for which a waiver is being requested. Note:  If this is the reason the studies are being waived, this information MUST be included in the pediatric use section of labeling.  Please provide the draft language you intend to include in the label.  Suggested language includes, “FDA has not required pediatric studies in ages ___ to ___ because (state the safety or effectiveness reason).”
    1. The product fails to represent a meaningful therapeutic benefit over existing therapies for pediatric patients andis unlikely to be used in a substantial number of all pediatric age groups or the pediatric age group(s) for which a waiver is being requested.

The product is a human autologous cell therapy which has very limited applicability to pediatric patients for the improvement of nasolabial fold wrinkles because this condition occurs only in the adult population. Development of facial wrinkles is a typical component of the intrinsic aging process of the skin, and is often exacerbated by accumulated exposure to ultraviolet light radiation. Although it has been estimated that 80% of photodamage has already occurred before a person turns 18, literature reports indicate that photoaging symptoms take at least a decade to emerge.
Of skin aging and wrinkle conditions that occur in children (progeroid syndromes), this product is not applicable as it is hypothesized that progeroid syndromes may be caused by alterations in DNA repair and stability, mutations in genes encoding lamins A/C (an intermediate filament protein), or altered mitochondrial function. Although therapeutic approaches have so far been inconclusive, research has been mainly focused on trying to restore these defective subcellular mechanisms. For this reason, this product does not represent a meaningful therapeutic benefit for progeroid syndrome affected children.

The American Society of Plastic Surgeons reported in 2007 that patients 13-19 years of age accounted for fewer than 0.5% of cosmetic procedures used for the reduction and aesthetic improvement of facial skin wrinkles. It is unlikely that this product would be used in a substantial number of pediatric patients, and enrollment of pediatric studies would be difficult and impracticable.

    1. Reasonable attempts to produce a pediatric formulation for one or more of the pediatric age group(s) for which the waiver is being requested have failed. (Provide documentation from Sponsor) Note:  Sponsor must provide data to support this claim for review by the Division, and this report submitted by the Sponsor will be publicly posted. 

Attachment I

Adult-Related Conditions that do not occur in pediatrics and qualify for a waiver
These conditions qualify for waiver because studies would be impossible or highly impractical

Age-related macular degeneration                                             Cancer:
Alzheimer’s disease                                                                 Basal cell
Amyotrophic lateral sclerosis                                                    Bladder
Atherosclerotic cardiovascular disease                                      Breast
Benign prostatic hypertrophy                                                   Cervical
Chronic Obstructive Pulmonary Disease                                     Colorectal
Erectile Dysfunction                                                                  Endometrial
Infertility                                                                              Gastric
Menopausal and perimenopausal disorders                               Hairy cell leukemia             
Organic amnesic syndrome                                                       Lung (small & non-small cell)
(not caused by alcohol or other psychoactive substances)             Multiple myeloma  
Osteoarthritis                                                                         Oropharynx (squamous cell)
Parkinson’s disease                                                                  Ovarian (non-germ cell)
Postmenopausal Osteoporosis                                                     Pancreatic
Vascular dementia/ Vascular cognitive disorder/impairment              Prostate           
                                                                                            Renal cell

Page Last Updated: 01/29/2015
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