RecruitingPhase 2NCT01861106

Allogeneic Hematopoietic Stem Cell Transplant for GATA2 Mutations

Allogeneic Hematopoietic Stem Cell Transplant for Patients With Mutations in GATA2 or the MonoMAC Syndrome


Sponsor

National Cancer Institute (NCI)

Enrollment

144 participants

Start Date

Jul 24, 2013

Study Type

INTERVENTIONAL

Conditions

Summary

Background: \- GATA2 deficiency is a disease caused by mutations in the GATA2 gene. It can cause different types of leukemia and other diseases. Researchers want to see if a stem cell transplant can be used to treat this condition. A stem cell transplant will give stem cells from a matching donor (related or unrelated) to a recipient. It will allow the donor stem cells to produce healthy bone marrow and blood cells that will attack the recipient s cancer cells. Objectives: \- To see if stem cell transplants are successful at treating GATA2 mutations and related conditions. Eligibility: \- Recipients who are between 6 and 70 years of age and have GATA2 deficiency. Design: * All participants will be screened with a physical exam and medical history. Blood samples will be collected. Recipients will have imaging studies and other tests. * Recipients will have chemotherapy or radiation to prepare for the transplant. On the day of the transplant, they will receive the donated stem cells. * Recipients will stay in the hospital until their condition is stable after transplant. * Frequent blood tests and scans will be required for the first 6 months after the transplant, followed by less frequent visits over time.


Eligibility

Min Age: 6 YearsMax Age: 70 Years

Plain Language Summary

Simplified for easier understanding

This NIH study offers allogeneic hematopoietic stem cell transplant (a bone marrow transplant from a donor) to patients with GATA2 mutations — a rare genetic condition that causes immune deficiency, bone marrow failure, recurrent serious infections, and increased risk of leukemia. Transplant aims to replace the faulty blood/immune system with a healthy donor's. You may be eligible if: - You are between 6 and 70 years old - You have a confirmed GATA2 gene mutation or the clinical syndrome of MonoMAC - You have a history of serious infections or bone marrow immune cell loss - A suitable donor has been identified (10/10, 9/10, 8/10 HLA match, or haploidentical related donor) - Your heart, kidneys, and lungs meet minimum function thresholds - Women of childbearing potential must agree to use contraception before and for at least 1 year after transplant - You can stay at or near NIH for at least 100 days post-transplant You may NOT be eligible if: - You are HIV-positive - You have chronic active Hepatitis B surface antigen positivity (requires hepatology review) - You have active infection that is not responding to treatment - You have active CNS malignancy - You are pregnant or breastfeeding - You have active cancer in another organ system (other than blood cancer) Talk to your doctor to see if this trial is right for you.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

PROCEDUREAllogeneic HSCT

Stem cell transplant

DRUGBusulfan Test dose

0.8 mg/kg IV infusion over 3 hours one time dose administered 5 to 14 days prior to start of preparative regimen (Days -11 to -20)

DRUGFludarabine (Fludara, Berlex Laboratories)

40 mg/m2 IV (in the vein) over 30 minutes (in the vein) once daily on Days -6, -5, -4, and -3 or 30 mg/m2 IV over 30 minutes (in the vein) once daily on Days -6, -5, -4, -3, and -2

DRUGBusulfan (Busulfex)

3.2 mg/kg IV (in the vein) over 3 hours once daily on Days -6, -5, -4 and -3 (weight based dosing). If in Arm B and if poor or very poor risk clonal chromosomal abnormalities, busulfan will also be given on day -2.

DRUGCyclophosphamide (CTX, Cytoxan)

14.5 mg/kg IV (in the vein) infusion over 30 minutes once daily on days -6 and -5 (weight based dosing) or 50 mg/kg IV infusion over 2 hours on day -6 (weight based dosing). For post-transplant, 50/kg IV once daily x2 doses on days +3 and +4

PROCEDURETotal Body Irradiation (TBI)

200 cGy on Day -1

DRUGMycophenolate mofetil (MMF)

15mg/kg IV over 2 hours BID starting on day +5 will continue until day +35 (+/- 2 days)

DRUGTacrolimus

0.02mg/kg IV continuous infusion over 24 hours starting on day +5 until day +180

BIOLOGICALEquine Anti-Thymocyte Globulin

(Deleted this intervention per amendment I): 30mg/kg IV (in the vein)once daily x 3 days on Days -6, -5, -4 (3 doses total)


Locations(1)

National Institutes of Health Clinical Center

Bethesda, Maryland, United States

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NCT01861106


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