A Post-Marketing Clinical Study of Apligraf for Venous Leg Ulcers

This study has been withdrawn prior to enrollment.
Sponsor:
Information provided by:
Organogenesis
ClinicalTrials.gov Identifier:
NCT00648674
First received: March 28, 2008
Last updated: March 31, 2011
Last verified: March 2011
  Purpose

Single site clinical study utilizing the novel technology of microarrays to identify and characterize the molecular mechanisms through which Apligraf promotes healing of venous leg ulcers.


Condition Intervention Phase
Varicose Ulcer
Device: Apligraf
Phase 4

Study Type: Interventional
Study Design: Endpoint Classification: Efficacy Study
Intervention Model: Single Group Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: A Prospective, Single-Site Study to Identify and Characterize the Molecular Mechanisms of Apligraf in Non-healing Wounds of Subjects With Venous Leg Ulcers

Resource links provided by NLM:


Further study details as provided by Organogenesis:

Primary Outcome Measures:
  • To use the novel technology of microarrays to identify and characterize the molecular mechanisms through which Apligraf promotes healing of venous leg ulcers. [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]

Secondary Outcome Measures:
  • Determine how venous leg ulcer (VLU) wounds transition from chronic to acute wound healing [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]
  • Examine how Apligraf rescues deficiencies of chronic wounds (VLU) and promotes transition from chronic to acute wound [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]
  • Determine growth factors induced by Apligraf in the wound [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]
  • Determine growth factors suppressed by Apligraf in the wound [ Time Frame: 2 weeks ] [ Designated as safety issue: No ]
  • Safety endpoints assessed by monitoring adverse events [ Time Frame: 5 months ] [ Designated as safety issue: Yes ]

Estimated Enrollment: 15
Study Start Date: July 2008
Estimated Study Completion Date: March 2010
Estimated Primary Completion Date: March 2010 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Apligraf
Device: Apligraf
Applied at Day 0, possible re-application at Week 6

  Eligibility

Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Subject has non-infected partial or full-thickness venous leg ulcer for a duration of four weeks or greater which has not adequately responded to conventional therapy
  • Stage II or III ulcer as defined by the IAET/WOCN ulcer classification guide listed in Appendix IV.
  • Subject is female and 18 years of age or older.
  • Subject with venous leg ulcer (target ulcer) between 5 - 40 cm2 in size.
  • Sexually active females must be practicing a medically proven form of contraception during the course of the study period.
  • Subject or legal guardian must have read, understood and signed an institutional review board (IRB) approved Informed Consent Form.
  • Subject and/or legal guardian must be able and willing to follow study procedures and instructions.

Exclusion Criteria:

  • Subject whose target ulcer has healed 60% or greater in area from post debridement (if applicable) Baseline Screen (Visit 1) to post debridement Day 0 (Visit 2) as determined by wound tracings.
  • Subjects who are being treated with VAC® (Vacuum Assisted Closure™) Therapy.
  • Subject has arterial disease as determined by an Ankle Brachial Index (ABI ) of <0.65.
  • Subject with any systemic condition like uncontrolled diabetes mellitus (glycosylated HbA1C > 12%), cancer (biopsy confirmed active malignancy), positive HIV test, or any disorder(s) that may compromise wound healing.
  • Subjects who are currently receiving, or have received at any time within one month prior to entry into the study, corticosteroids (>15 mg/day), immunosuppressive agents, radiation therapy, hemodialysis or chemotherapy. Anticipated use of the above agents will exclude subjects from entry into the study.
  • Clinical vasculitis, severe rheumatoid arthritis, and other collagen vascular diseases.
  • Signs and symptoms of cellulitis or osteomyelitis.
  • Necrotic or avascular ulcer beds.
  • Venous leg ulcer with exposed bone, tendon or fascia.
  • Subject with the presence of recent infections in the area intended for treatment.
  • Known hypersensitivity to bovine collagen or to the components of the Apligraf agarose shipping medium.
  • Subject who is lactating or pregnant (hCG positive as determined by lab testing).
  • Subject with liver (ALT/SGPT, ALP, AST/SGOT, bilirubin, Albumin, total protein, LDH) and/or renal function (BUN and creatinine) tests greater than 2 x upper limit of normal (ULN) or Albumin < 2.5 mg/dL.
  • Subject enrolled in any wound or investigational device study for any disease within the past four weeks.
  • Subject previously treated at target site with Apligraf, Dermagraft or any other cell therapy at the target site.
  • Subject with a history of alcohol or substance abuse within the previous year, which could interfere with study compliance such as inability to attend scheduled study visits or compliance with home dressing changes.
  • Subject who, in the opinion of the investigator, for any reason other than those listed above, will not be able to complete the study per protocol
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00648674

Sponsors and Collaborators
Organogenesis
Investigators
Study Director: Damien Bates, MD, PhD, FRACS (Plast.) Organogenesis Inc.
  More Information

No publications provided

Responsible Party: Damien Bates, MD, PhD, Chief Medical Officer, Organogenesis Inc.
ClinicalTrials.gov Identifier: NCT00648674     History of Changes
Other Study ID Numbers: 07-MOA-001-AG
Study First Received: March 28, 2008
Last Updated: March 31, 2011
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Leg Ulcer
Ulcer
Varicose Ulcer
Skin Ulcer
Skin Diseases
Pathologic Processes
Varicose Veins
Vascular Diseases
Cardiovascular Diseases

ClinicalTrials.gov processed this record on August 27, 2014