NCT00753025

Brief Summary

The purpose of this study is to determine whether autologous bone marrow derived cells and isolated CD133+ fraction are effective in the treatment limb ischemia

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
42

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Oct 2006

Shorter than P25 for phase_2

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2006

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2007

Completed
8 months until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2008

Completed
7 months until next milestone

First Submitted

Initial submission to the registry

September 9, 2008

Completed
7 days until next milestone

First Posted

Study publicly available on registry

September 16, 2008

Completed
Last Updated

September 16, 2008

Status Verified

September 1, 2008

Enrollment Period

8 months

First QC Date

September 9, 2008

Last Update Submit

September 15, 2008

Conditions

Keywords

lower extremity ischemiaBone marrowProgenitor cellsNeoangiogenesis

Outcome Measures

Primary Outcomes (1)

  • Increasing of painless walking distance

    Within the first 30 days, 6 months and 12 months after injection

Study Arms (3)

CD133

EXPERIMENTAL
Procedure: Bone marrow aspiration , injection of isolated CD 133+ cells

TNC

EXPERIMENTAL
Procedure: Bone marrow aspiration, injection of cells

Placebo

PLACEBO COMPARATOR
Procedure: Bone marrow aspiration, injection of saline

Interventions

Bone marrow is aspirated at patients in all arms. Arm "TNC" receives injection of total nucleated cells into ischemic muscle

TNC

arm "CD133" receives injection of isolated CD 133+ cells

CD133

arm "placebo" receives injection of saline

Placebo

Eligibility Criteria

Age39 Years - 70 Years
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • an obliterating lower extremity atherosclerosis IIB a stage (on Fontaine classification)
  • a painless walking distance of 10-50 m
  • pulse absence on аа. dorsalis pedis, tibialis posterior, poplitea
  • absence of a ischemia in a rest and necrotic changes
  • mainly distal form of disease (a lesion of a superficial femoral artery, a popliteal artery, anticnemion arteries) according to an angiography that testifies to impossibility of reconstructive operation performance
  • patients after a lumbar sympathectomy and a tibial bone osteoperforations executed previously
  • heavy smokers

You may not qualify if:

  • insulin depended diabetes
  • myocardial infarction or a stroke within last year
  • an idiopathic hypertensia III stage
  • anaemia and other diseases of blood
  • decompensation of the chronic diseases which are contraindications to any surgical operation
  • HIV infection
  • a virus hepatitis
  • oncologic diseases
  • chemotherapy in the anamnesis

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Neovascularization, Pathologic

Condition Hierarchy (Ancestors)

MetaplasiaPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Olga Tyumina, PhD

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV

Study Record Dates

First Submitted

September 9, 2008

First Posted

September 16, 2008

Study Start

October 1, 2006

Primary Completion

June 1, 2007

Study Completion

February 1, 2008

Last Updated

September 16, 2008

Record last verified: 2008-09