Ixazomib for Desensitization (IXADES)

May 11, 2022 updated by: University of Wisconsin, Madison

Ixazomib for Desensitization in Kidney Transplantation

The purpose of this research study is to find out how well ixazomib (the study drug) works to desensitize highly sensitized kidney transplant recipients.

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 a pilot exploratory, proof of concept, open-label, single-center phase II investigator initiated clinical trial entitled IXAzomib for DESensitization (IXADES). The purpose of the study is (1) to examine the safety and efficacy of ixazomib for desensitization of highly sensitized kidney transplant candidates and (2) to conduct mechanistic studies to address the role of HLA and non-HLA antibodies, T and B cell phenotypes, and BAFF/APRIL in immune monitoring of sensitized kidney transplant candidates.

Specific Aim 1. To determine the safety and efficacy of ixazomib as a desensitization strategy. There is currently no effective desensitization strategy for highly sensitized patients defined as calculated Panel of Reactive Antibodies (cPRA) ≥ 80%. For this study, 10 highly sensitized kidney transplant candidates on the waitlist for more than 24 months will receive ixazomib 3 mg (and dexamethasone 20 mg) on days 1, 8, and 15 of a 28 cycle for 12 months. The primary objective is to evaluate the safety (distal neuropathy, thrombocytopenia, and gastrointestinal symptoms) and efficacy (decline in cPRA > 20%) of ixazomib. The secondary efficacy endpoint is transplantation rate within 12 months of therapy.

Specific Aim 2. Identify immune indices which predict the course of disease and/or response to treatment in highly sensitized patients. Mechanistic studies will use bone marrow and blood obtained from subjects in Aim 1 to determine the effect of treatment on immune regulation and reconstitution after therapy. Since the bone marrow microenvironment produces BAFF/APRIL and supports plasma cell maturation,the effect of therapy on the generation of BAFF/APRIL will be determined by bone marrow mesenchymal stem cells and the survival of bone marrow-derived plasma cells after desensitization. Specifically it's proposed to:

  • Identify if bone marrow plasma cells, IgG subsets, and levels including free light chains, and circulating BAFF/APRIL predict outcomes.
  • Determine if treatment is effective in downregulating circulating BAFF/APRIL and anti-HLA, endothelin-1 type A receptor (ETAR), angiotensin type 1 receptor (AT1R), and complement fixing C1q antibodies.

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.
10

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
    • Wisconsin
      • Madison, Wisconsin, United States, 53792
        • University of Wisconsin Hospital and Clinics

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 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Male or female patients 18-70 years of age.
  • Able to provide informed consent.
  • Female patients who are postmenopausal for at least 1 year before the screening visit, or are surgically sterile, or If they are of childbearing potential, agree to practice 2 effective methods of contraception, at the same time, from the time of signing the informed consent form through 30 days after the last dose of study drug, OR agree to practice true abstinence when this is in line with the preferred and usual lifestyle of the subject. (Periodic abstinence [eg, calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception.)
  • Male patients, even if surgically sterilized (ie, status post-vasectomy), must agree to one of the following: Agree to practice effective barrier contraception during the entire study treatment period and through 30 days after the last dose of study drug, or Agree to practice true abstinence when this is in line with the preferred and usual lifestyle of the subject. (Periodic abstinence (eg, calendar, ovulation, symptothermal, post-ovulation methods] and withdrawal are not acceptable methods of contraception.)
  • Patients must be highly sensitized with a cPRA ≥ 80%
  • Be active on the waitlist for kidney transplantation > 24 months to confirm their inability to receive a deceased donor transplant because of their sensitization status.

  • Patients must meet the following clinical laboratory criteria:

    1. Absolute neutrophil count (ANC) ≥ 1,000/mm3 and platelet count ≥ 75,000/mm3. Platelet transfusions to help patients meet eligibility criteria are not allowed within 3 days before study enrollment.
    2. Hemoglobin higher than 6 g/dL
    3. Total bilirubin ≤ 1.5 x the upper limit of the normal range (ULN).
    4. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 3 x ULN.

Exclusion Criteria:

  • Female patients who are lactating or have a positive serum pregnancy test during the screening period
  • Major surgery requiring hospitalization within 6 months before enrollment
  • Infection requiring systemic antibiotic therapy or other serious infection within 14 days before study enrollment
  • Evidence of current uncontrolled cardiovascular conditions, including uncontrolled hypertension, uncontrolled cardiac arrhythmias, symptomatic congestive heart failure, unstable angina, or myocardial infarction within the past 6 months
  • Systemic treatment, within 14 days before the first dose of ixazomib, with strong CYP3A inducers (rifampin, rifapentine, rifabutin, carbamazepine, phenytoin, phenobarbital), or use of St. John's wort
  • Any serious medical or psychiatric illness that could, in the investigator's opinion, potentially interfere with the completion of treatment according to this protocol
  • Inability to take oral medication
  • Diagnosed or treated for another malignancy within 2 years before study enrollment or previously diagnosed with another malignancy and have any evidence of residual disease. Patients with nonmelanoma skin cancer or carcinoma in situ of any type are not excluded if they have undergone complete resection
  • Grade 2 or greater peripheral neuropathy according to NCI Common Terminology Criteria for Adverse Events (CTCAE)
  • Participation in other interventional clinical trials, including those with other investigational agents not included in this trial, within 6 months of the start of this trial and throughout the duration of this trial
  • Patients that have previously been treated with ixazomib, or participated in a study with ixazomib whether treated with ixazomib or not
  • Active or treated infection for HIV, HCV or HBV
  • History of Liver cirrhosis, biopsy confirmed
  • Elevated transaminases (greater than 3 times the upper limit of normal)
  • Known hypersensitivity to ixazomib
  • Active substance abuse by self-report or medical record

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: Treatment
  • 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: Highly sensitized kidney transplant candidates
The study population will include all highly sensitized kidney transplant candidates on the waitlist for more than 24 months at University of Wisconsin.
Drug: Ixazomib Oral Capsule
Highly sensitized kidney transplant candidates on the waitlist for more than 24 months will receive ixazomib 3 mg (and dexamethasone 20 mg) on days 1, 8, and 15 of a 28 cycle. Patients will take ixazomib and dexamethasone for twelve (12) 28-day cycles.

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
Time Frame
Efficacy of Ixazomib: Percentage of Participants With > 20 Percent Decline in Calculated Panel Reactive Antibody (cPRA)
Time Frame: up to 12 months
up to 12 months
Efficacy of Ixazomib: Percentage of Participants Received Successful Kidney Transplantation Within 12 Months
Time Frame: up to 12 months
up to 12 months

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
Safety of Ixazomib as Assesses by Percentage of Participants With Cardiovascular Complications Within 12 Months
Time Frame: up to 12 months
up to 12 months
Safety of Ixazomib as Assesses by Percentage of Participants With Hematological Complications Within 12 Months
Time Frame: up to 12 months
Hematological complications include leucopenia, anemia, and thrombocytopenia
up to 12 months
Safety of Ixazomib as Assesses by Percentage of Participants With Malignancies Within 12 Months
Time Frame: up to 12 months
up to 12 months
Safety of Ixazomib as Assesses by Percentage of Participants With Gastrointestinal Symptoms Within 12 Months
Time Frame: up to 12 months
up to 12 months
Safety of Ixazomib as Assesses by Percentage of Participants Caught Infection Within 12 Months
Time Frame: up to 12 months
up to 12 months
Safety of Ixazomib as Assesses by Percentage of Participants With Thrombocytopenia Within 12 Months
Time Frame: up to 12 months
up to 12 months
Safety of Ixazomib: as Assesses by Percentage of Participants With Distal Neuropathy Within 12 Months
Time Frame: up to 12 months
up to 12 months

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Change in Circulating BAFF Levels as Assessed by BAFF ELISA Assay
Time Frame: Baseline, 3 months
B cell activating factor belonging to the TNF family (BAFF) are members of the TNF ligand superfamily. Plasma BAFF ELISA assays can be performed in 2-3 hours. It can be used as a marker of disease activity in sensitized patients.
Baseline, 3 months
Change in Circulating APRIL Levels as Assessed by APRIL ELISA Assay
Time Frame: Baseline, 3 months
B cell activating factor belonging to a proliferation-inducing ligand (APRIL) are members of the TNF ligand superfamily. Plasma APRIL ELISA assay can be performed in 2-3 hours. It can be used as a marker of disease activity in sensitized patients.
Baseline, 3 months

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.
University of Wisconsin, Madison

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Millennium Pharmaceuticals, Inc.

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: Arjang Djamali, MD, MS, FASN, University of Wisconsin, Madison

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.
September 15, 2017

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.
April 16, 2021

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 16, 2021

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).
April 26, 2017

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 6, 2017

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 11, 2017

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.
June 1, 2022

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.
May 11, 2022

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.
May 1, 2022

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.
  • 2017-0429
  • A534280 (Other Identifier: UW Madison)
  • SMPH\MEDICINE\NEPHROLOGY (Other Identifier: UW Madison)
  • Protocol ver 3June 2019 (Other Identifier: HS-IRB UW, Madison)

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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