RGI-2001 for the Prevention of Acute Graft-vs-Host Disease in Subjects Following Allogeneic Hematopoietic Stem Cell Transplantation

April 29, 2024 updated by: Regimmune Corporation

An Open Label Phase 2, Study to Evaluate the Safety and Efficacy of RGI-2001 for the Prevention of Acute Graft-vs-Host Disease Compared to Contemporary Controls in Subjects Following Allogeneic Hematopoietic Stem Cell Transplantation

This Phase II open label study will evaluate the safety and efficacy of repeat doses of RGI-2001 in combination with standard of care treatment for the prevention of acute graft-vs-host-disease (aGvHD) in subjects following Allogeneic Hematopoietic Stem Cell Transplantation (alloHSCT). These subjects will be compared to contemporary controls.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This is an open-label, multi-center, single-arm study to evaluate six weekly doses of RGI-2001 in combination with standard of care treatment for the prevention of aGvHD in subjects following alloHSCT. The study will include a Safety Run-in Phase to assess the safety and tolerability of 6 weekly doses of RGI-2001 followed by an Expansion Phase in which the potential efficacy of 6 weekly doses of RGI-2001 in addition to standard of care for GvHD prophylaxis will be assessed. Comparison will be made to a contemporaneous control group.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
49

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • California
      • Los Angeles, California, United States, 90095
        • UCLA Medical Center
    • Florida
      • Miami, Florida, United States, 33136
        • University of Miami, Sylvester Comprehensive Cancer Center
    • Maryland
      • Baltimore, Maryland, United States, 21201
        • University of Maryland Greenebaum Comprehensive Cancer Center
    • Massachusetts
      • Boston, Massachusetts, United States, 02114
        • Massachusetts General Hospital
    • Michigan
      • Detroit, Michigan, United States, 48202
        • Henry Ford Health System
    • New York
      • New York, New York, United States, 10087-6453
        • Columbia University Irving Medical Center
    • Ohio
      • Columbus, Ohio, United States, 43210
        • Ohio State University Wexner Medical Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 64 years (Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Ages ≥ 18 and ≤ 65 years of age
  2. Has a hematologic malignancy which includes Acute myelogenous leukemia (AML), T or B cell acute lymphoblastic leukemia (ALL) Myelodysplastic syndrome (MDS), chronic myelomonocytic leukemia (CMML), myeloproliferative disorder (MPD) including myeloid metaplasia and CML
  3. Must have adequate organ function
  4. Transplant Donor: Matched related donor or Unrelated donor
  5. Is a candidate for anti-graft-vs-host-disease (GvHD) prophylaxis that includes a calcineurin inhibitor
  6. Ability to understand and willingness to sign a written informed consent form
  7. If female of childbearing potential, must have had a negative serum pregnancy test prior to enrollment and must have agreed to use a double barrier method of contraception for 30 days after RGI-2001 administration
  8. If male, must be sterile or willing to use an approved method of contraception from the time of informed consent to 90 days after last dose of RGI-2001 administration

Exclusion Criteria:

  1. Has had any other prior organ transplantation
  2. Planned procedure to deplete regulatory T cells from donor transplant materials
  3. Planned reduced intensity conditioning
  4. Has had prior treatment with anti-CD3, other T cell depleting antibodies, or anti-thymocyte globulin within 12 months prior to alloHSCT procedure
  5. Has progressive underlying malignant disease including post-transplant lymphoproliferative disease
  6. Has evidence of active central nervous system (CNS) disease including known brain or leptomeningeal disease (CT or MRI scan of the brain required only in case of clinical suspicion of CNS involvement)
  7. Is female and pregnant or lactating
  8. Has a documented history of uncontrolled autoimmune disease or on active treatment
  9. History of myocardial infarction, unstable angina, or acute coronary syndrome within 6 months prior to receiving study drug

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: RGI-2001
Subjects will be administered RGI 2001 in combination with standard of care treatment
Drug: RGI-2001
Subjects will receive 6 weekly doses of RGI 2001, 100 μg/kg via IV administration after completion of alloHSCT
Other Names:
  • KRN-7000
  • RGI-7000
Drug: Standard of Care
Standard of care prophylaxis regimen will be administered according to institutional guidelines

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Grades II-IV aGVHD
Time Frame: Day 100 post-transplant
Acute GVHD will be graded and assessed according to modified KEYSTONE criteria and the severity grade (Grade II through IV) were captured up through the first 100 days post-transplant
Day 100 post-transplant

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Grades II-IV aGVHD
Time Frame: Day 180 post-transplant
Acute GVHD will be graded and assessed within 180 days post-transplant
Day 180 post-transplant
Non-relapse Mortality (NRM) Rates
Time Frame: 1 year post-transplant
The probability of mortality not preceded by relapse of the underlying malignancy will be estimated
1 year post-transplant
Disease-free Survival (DFS)
Time Frame: 1 year post-transplant
The probability of survival without relapse of the underlying malignancy will be estimated
1 year post-transplant
GvHD-free, Relapse Free Survival (GRFS)
Time Frame: 1 year post-transplant
The probability of survival without relapse of the underlying malignancy, without severe (grades 3-4) acute GVHD, and without chronic GVHD requiring systemic immunosuppression will be estimated
1 year post-transplant
Overall Survival (OS)
Time Frame: 1 year post-transplant
The probability of survival will be estimated
1 year post-transplant

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Regimmune Corporation

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Yi-Bin Chen, MD, Massachusetts General Hospital

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 25, 2019

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
July 5, 2022

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 3, 2023

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 8, 2019

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 8, 2019

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 10, 2019

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 28, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
April 29, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
April 1, 2024

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • RGI-2001-003

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

Yes

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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