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Fractionated Gemtuzumab Ozogamicin Followed by Non-engraftment Donor Leukocyte Infusions for Relapsed/Refractory Acute Myeloid Leukemia

Fractionated Gemtuzumab Ozogamicin Followed by Non-engraftment Donor Leukocyte Infusions for Relapsed/Refractory Acute Myeloid Leukemia

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03374332
Enrollment
11
Registered
2017-12-15
Start date
2019-12-31
Completion date
2024-09-30
Last updated
2024-02-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Acute Myeloid Leukemia

Keywords

Refractory, progression, recurrence

Brief summary

This study includes patients with relapsed acute leukemia who have previously been treated with standard treatment that is still present and there is no curative treatment option available. Researchers are studying whether the drug Gemtuzumab Ozogamicin, followed by an infusion of blood cells called leukocytes from a donor, can stimulate the immune system to potentially fight the leukemia. Gemtuzmab ozogamicin is a class of drugs known as an antibody drug conjugate. The drug is given on days 1,4,7. It is infused, attaches to cells with a certain marker on the surface (the majority of which would be leukemia cells). The drug is then internalized and the chemotherapy drug becomes activated. Gemtuzumab is currently FDA approved for the treatment of acute myeloid leukemia. The infusion of leukocytes to stimulate the immune system to fight your leukemia is investigational and has not been proven to cure cancer. This combination of Gemtuzumab Ozogamicin and donor leukocytes is not an FDA approved treatment and is investigational. Initially a total of 6 patients will be included in the study to assess the safety of the treatment. Once 6 patients have been treated and no unacceptable toxicities are seen, more patients will be enrolled. The study will treat up to 18 patients on the study.

Interventions

Patients will be given gemtuzumab ozogamicin on days 1,4, and 7. Capped at 4.5mg individual doses. Total doses capped at 13.5mg.

OTHERDonor Leukocytes

The product will be administered unprocessed on day 8/24 hours post GO (same day as leukapheresis) with a minimum of CD3+ cells and maximum of CD3+ cells/kg irrespective of the number of CD34+ cells.

Sponsors

Rhode Island Hospital
CollaboratorOTHER
The Miriam Hospital
CollaboratorOTHER
Pfizer
CollaboratorINDUSTRY
Brown University
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

of Recipient (patient): * Histologic confirmation of acute myeloid leukemia (AML) * Recurrence or progression (including refractory disease) of AML after at least 1 prior standard treatment with progression within 6 months from last treatment. * No curative treatment option is available * ≥ 4-weeks since prior chemotherapy or radiation to cellular therapy infusion. * Age equal to or greater than 18 years. * Patients with a history of invasive second malignancy who are disease free for ≥ 2 years. * Patients must have an expected life expectancy of at least 2 months at the time of initiation of treatment * No active systemic infections allowed. * Patients who have relapsed after standard autologous stem cell infusion are eligible as long as they meet all inclusion criteria and no

Exclusion criteria

. These patients must be out more than 6 months from cell infusion to be eligible for enrollment. * DLCO ≥ 40% with no symptomatic pulmonary disease. * LVEF ≥ 40% by MUGA or echocardiogram. * Creatinine \<1.5x ULN or any serum creatinine level associated with a measured or calculated creatinine clearance of \>40 mL/min, AST and ALT \< 2.5x ULN, Total Bilirubin \< 1.5 x ULN * Women of childbearing potential and sexually active males must use 2 forms of effective contraception method from time of consent through 6 months after completing treatment (whether last treatment is infusion or drug). * Not pregnant or nursing. Women of child bearing potential must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 7 days prior to beginning of treatment (drug). Post-menopausal women (surgical menopause or lack of menses ≥12 months) do not need to have a pregnancy test, please document status. * Performance status ≤ 2 (or KPS 70)

Design outcomes

Primary

MeasureTime frameDescription
Response RatePost infusion for a total of 2 years.Response rate of infusional gemtuzumab ozogamicin followed by nonengraftment donor leukocyte infusions in patients with refractory acute myeloid leukemia. Bone Marrow Biopsy to be done in patients thought to have responded.

Secondary

MeasureTime frameDescription
SurvivalThrough 2 years post end of treatmentProgression free survival and overall survival of infusional gemtuzumab ozogamicin followed by nonengraftment donor leukocyte infusions in patients with refractory acute myeloid leukemia.
Dose limiting toxicitiesStart of treatment through 30 days post the final infusionRate of dose limiting toxicities of gemtuzumab ozogamicin followed by nonengraftment donor leukocyte infusions in patients with refractory acute myeloid leukemia.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 20, 2026