Status:

RECRUITING

Ex Vivo T-Cell Depletion of Mobilized Peripheral Blood Stem Cells Via CD34-Selection

Lead Sponsor:

Baylor College of Medicine

Collaborating Sponsors:

Center for Cell and Gene Therapy, Baylor College of Medicine

The Methodist Hospital Research Institute

Conditions:

Stem Cell Transplant

Allogeneic

Eligibility:

All Genders

Up to 70 years

Phase:

NA

Brief Summary

Participants are being asked to take part in this study because treatment of his or her disease requires a stem cell transplant. Stem cells or "mother" cells are the source of normal blood cells and l...

Detailed Description

Participation in this project will last approximately one year with follow-up exams. Before treatment can begin, stem cells will be collected from the donor (a close relative) that has been selected ...

Eligibility Criteria

Inclusion

  • Inclusion criteria for Stem Cell Transplant WITH Conditioning (COHORT 1)
  • Patient requiring allogeneic SCT
  • Age between birth and 70 years
  • Patient and/or responsible person able to understand and sign consent
  • Exclusion criteria for Stem Cell Transplant WITH Conditioning (COHORT 1)
  • Active, acute GvHD \> grade II or extensive, chronic GvHD
  • Severe life, threatening infection
  • Pulmonary dysfunction (FEV1, FVC or DLCO 40% of predicted or 3 SD below normal)
  • Cardiac dysfunction (LVSF less than 25%)
  • Psychiatric disturbance
  • Lansky or Karnofsky score \< 50%
  • The presence of severe hepatic disease (direct bilirubin \>3x upper limit of normal and AST \> 5x upper limit of normal).
  • Creatinine \> 3x normal
  • Known HIV Positivity
  • Pregnancy
  • Inclusion Criteria for CD34+ Topoff WITHOUT conditioning (COHORT 2)
  • Allogeneic SCT Recipient requiring additional cellular therapy
  • Age between birth and 70 years
  • Patient and/or responsible person able to understand and sign consent
  • At least ONE of the following must be answered YES for a patient to be eligible to receive CD34+ topoff:
  • Evidence of mixed chimerisms (less than 95% donor cells)
  • Evidence of poor bone marrow function (bone marrow cellularity less than 50% with at least one cytopenia)
  • Relapsed or persistent disease
  • Exclusion criteria for CD34+ Topoff WITHOUT conditioning (COHORT 2)
  • Active, acute GvHD \> grade II or extensive, chronic GvHD
  • Severe life, threatening infection
  • Known HIV positivity
  • Pregnancy
  • Inclusion Criteria for CD34+ Topoff WITH conditioning (COHORT 3)
  • Allogeneic SCT Recipient requiring additional cellular therapy
  • Age between birth and 70 years
  • Patient and/or responsible person able to understand and sign consent
  • At least ONE of the following must be answered YES for a patient to be eligible to receive CD34+ topoff:
  • Evidence of mixed chimerisms (less than 95% donor cells)
  • Evidence of poor bone marrow function (bone marrow cellularity less than 50% with at least one cytopenia)
  • Relapsed or persistent disease
  • Exclusion criteria for CD34+ Topoff WITH Conditioning (COHORT 3)
  • Active, acute GVHD \> grade II or extensive, chronic GvHD
  • Severe life, threatening infection
  • Pulmonary disfunction (FEV1, FVC or DLCO 40% of predicted or 3 SD below normal)
  • Cardiac dysfunction (LVSF less than 25%)
  • Psychiatric disturbance
  • Lansky or Karnofsky score \< 50%
  • The presence of severe hepatic disease (direct bilirubin \> 3x upper limit of normal and AST \> 5x upper limit of normal)
  • Creatinine \> 3x normal
  • Known HIV positivity
  • Pregnancy

Exclusion

    Key Trial Info

    Start Date :

    October 1 2010

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    November 1 2027

    Estimated Enrollment :

    241 Patients enrolled

    Trial Details

    Trial ID

    NCT01189786

    Start Date

    October 1 2010

    End Date

    November 1 2027

    Last Update

    December 3 2025

    Active Locations (2)

    Enter a location and click search to find clinical trials sorted by distance.

    Page 1 of 1 (2 locations)

    1

    Houston Methodist Hospital

    Houston, Texas, United States, 77030

    2

    Texas Children's Hospital

    Houston, Texas, United States, 77030