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The clinical trial is a Phase 1/2a, open-label, multi-center, dose-escalation study to evaluate the safety, tolerability and pharmacokinetic profile of RGI-2001 in patients undergoing AHSCT, with radiation or non-radiation myeloablative preparative treatment.
The study will be separated into two parts; a dose escalation phase to assess safety, followed by a large expansion phase to further evaluate the pharmacologic effects of either a Maximum Tolerated Dose, Maximum Feasible Dose or optimal pharmacologically active dose of RGI-2001. The initial dose escalation safety portion of the study (Part 1) will include higher risk patients and limit the unrelated donor transplants. After safety is established in part 1 of the study, the second portion of the study will expand the enrollment criteria and allow transplantation by either related or unrelated donors.
This study will endeavor to identify the dose range at which RGI-2001 has an acceptable safety profile, at which biologic activity is observed, and to guide possible dose levels to utilize in later phase studies based on biological activity.
Full description
The clinical trial is a Phase 1/2a, open-label, multi-center, dose-escalation study to evaluate the safety, tolerability and pharmacokinetic profile of RGI-2001 in patients undergoing AHSCT, with radiation or non-radiation myeloablative preparative treatment.
In Part 1 (Phase 1: Dose Escalation Phase), patients will receive a single intravenous administration of RGI-2001 approximately 30 minutes after completion of the transplant (either allogeneic PBSCs or allogenic bone marrow transplantation (unmodified)) with the dosage based upon the assigned treatment cohort. Eligible patients will be enrolled in five to seven centers in the United States. Patients who are undergoing AHSCT will be enrolled in a sequential group dose-escalating fashion to determine the safety, tolerability, pharmacokinetic profile, and the MTD or MFD of RGI-2001. It is anticipated that up to six dose levels will be evaluated in Part 1, with an option for an additional cohort (Cohort 7) if the MTD is not reached and pharmacodynamic markers suggest higher doses are warranted.
In Part 2 (Expansion Phase), one or more doses below the MTD or MFD will be selected based on a potential correlation between GvHD and biological activity to further assess safety and biologic activity. Approximately 30 patients who are undergoing either allogeneic PBSCs or allogenic bone marrow transplantation (unmodified) will be enrolled in Part 2 of the study.
Patients will be monitored for safety for 29 days after the transplant procedure.
All patients will be followed for 100 days following transplant procedure for the incidence of acute GvHD, according to the Modified Keystone Criteria for grading acute GvHD (Przepiorka D, et al)
Enrollment
Sex
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Volunteers
Inclusion criteria
Subject has a hematological malignancy or aplastic anemia (AA) and is undergoing a first allogeneic transplant procedure.
Meet one of the following underlying disease criteria:
a. Acute myelogenous leukemia (AML) i. First or subsequent morphologic remission b. Acute lymphoblastic leukemia (ALL) i. First or subsequent morphologic remission c. Chronic myelogenous leukemia (CML) i. Chronic phase; or ii. Accelerated phase d. Multiple Myeloma (MM) i. Not more than 20% plasma cells in the bone marrow e. Myelodysplastic syndrome (MDS), including chronic myelomonocytic leukemia (CMML), who have received at least one previous induction regimen and have <10% blasts f. Myeloproliferative disorder (MPD), including; i. myeloid metaplasia, and ii. myelofibrosis g. Non-Hodgkin's Lymphoma (NHL) i. High-risk NHL in first remission; or ii. Relapsed or refractory NHL h. Hodgkin's lymphoma (HL) beyond first remission i. Aplastic anemia (AA)
Male or female, age ≥18 years of age
Reasonable expectation of survival for at least 3 months, if the transplant procedure is successful
Eastern Cooperative Oncology Group (ECOG) status of 0-2 or Karnofsky Performance Status (KPS) of > 60
Transplant Donor
Part 1 (Phase 1: Dose Escalation Phase):
Unrelated transplant donor with no more than 1 HLA allele or antigen mismatch, defined as loci A, B, C and DR (note: DQ is excluded)
Part 2 (Phase 2a: Expansion Phase):Related or unrelated transplant donor, with no more than 1 HLA allele or antigen mismatch, defined as loci A, B, C and DR (note: DQ is excluded).
Source of the allograft
Anti-graft-versus-host disease (GvHD) prophylaxis:
A calcineurin inhibitor [either tacrolimus (FK506) or cyclosporin A)], in combination with either methotrexate (MTX), mycophenolate mofetil (MMF) or sirolimus (RAPA) all at doses as per the institutional protocols
Adequate hepatic function, with bilirubin not exceeding the upper limit of normal (except when attributed to Gilbert's Disease), and AST and ALT of less than 1.5 times the upper limit of normal
No clinically significant cardiac conduction disorder on screening ECG
Serum creatinine ≤ 2.0 mg/dL
Female patients of childbearing potential must have a negative serum pregnancy test prior to enrollment and must agree to use dual method of contraception for 30 days after study drug administration. Approved methods of contraception include, an IUD with spermicide, a female condom with spermicide, a diaphragm with spermicide, a cervical cap with spermicide, use of a condom with spermicide by sexual partner or a sterile sexual partner.
If male, subjects must be sterile or willing to use an approved method of contraception from the time of Informed Consent to 30 days after study drug treatment. Males must be willing to refrain from sperm donation within 30 days after study drug treatment.
No clinically significant acute or chronic medical condition that in the opinion of the investigator will interfere with study participation
No clinically significant laboratory abnormalities as determined by the Principal Investigator, in consultation with the Sponsor's Medical Monitor
No active infection
Have signed written informed consent before undergoing any study related procedures and is willing to comply with all study procedures
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
68 participants in 8 patient groups
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Data sourced from clinicaltrials.gov
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