A Study to Evaluate the Safety of Long-term Treatment With Siltuximab in Patients With Multicentric Castleman's Disease

April 25, 2018 updated by: Janssen Research & Development, LLC

An Open-label, Multicenter Study to Evaluate the Safety of Long-term Treatment With Siltuximab in Subjects With Multicentric Castleman's Disease

The purpose of this study is to evaluate the long-term safety of siltuximab in patients with multicentric Castleman's disease (MCD).

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 (all people know the identity of the intervention), multicenter (study conducted in multiple sites), non-randomized (patients are not assigned by chance to treatment groups), Phase 2b study. Up to 75 patients with MCD will be eligible for the study, the majority of whom will be on active therapy with siltuximab at the time of enrollment. Patients will be either siltuximab-naive or have not progressed on siltuximab in the opinion of the investigator. Duration of disease control and survival will be assessed. Data collection for patients who discontinue treatment will be limited to survival, occurrence of malignancies, and subsequent therapies for MCD, which will be assessed twice per year until the patient has been lost to follow up or has withdrawn consent for the study, whichever occurs first. An interim analysis will be conducted (no later than 2 years after the start of enrollment) to further evaluate the benefit and safety of long-term treatment with siltuximab in patients with MCD. A data will occur at 6 years after the start of enrollment and for those patients remaining on treatment after the data cutoff, data collection will be limited to pregnancies and serious adverse events (SAEs), including information on study agent administration and concomitant medications associated with an SAE. Safety evaluations for adverse events, clinical laboratory tests, vital signs, and physical examination will be performed throughout the study. The end of study is the date of the last assessment for the last patient.

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.
60

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

  • Belgium
      • Leuven, Belgium
  • Brazil
      • Sao Paulo, Brazil
  • Canada
      • Toronto, Canada
  • China
      • Beijing, China
      • Chengdu, China
  • Egypt
      • Cairo, Egypt
  • France
      • Montpellier, France
      • Tours Cedex 9, France
      • Vandoeuvre Les Nancy, France
  • Germany
      • Berlin, Germany
  • Hong Kong
      • Sha Tin, Hong Kong
  • Israel
      • Ramat Gan, Israel
  • Korea, Republic of
      • Seoul, Korea, Republic of
  • New Zealand
      • Auckland, New Zealand
  • Norway
      • Oslo, Norway
  • Singapore
      • Singapore, Singapore
  • Spain
      • Madrid, Spain
  • Taiwan
      • Taipei, Taiwan
  • United Kingdom
      • Manchester, United Kingdom
  • United States
    • Arkansas
      • Little Rock, Arkansas, United States
    • Florida
      • Tampa, Florida, United States
    • Michigan
      • Lansing, Michigan, United States
    • North Carolina
      • Chapel Hill, North Carolina, United States
    • South Carolina
      • Greenville, South Carolina, United States
    • Texas
      • Houston, Texas, United States
    • Washington
      • Seattle, Washington, United States

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 and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Has multicentric Castleman's disease
  • Have previously been enrolled in Study C0328T03 or CNTO328MCD2001 (either treatment arm)
  • Have had their last administration of study treatment (siltuximab or placebo) less than 6 weeks (window of plus 2 weeks) prior to first dose
  • Patients must not have had disease progression while receiving siltuximab. For those patients originally assigned to placebo in the CNTO328MCD2001 study, patients who have received less than 4 months of siltuximab following crossover will also be eligible
  • Have adequate clinical laboratory parameters within 2 weeks prior to the first dose of siltuximab for this study

Exclusion Criteria:

  • Unmanageable toxicity, an adverse event, progression of disease, or withdrawal of consent as reason for discontinuing treatment from previous sponsor-initiated siltuximab study
  • Vaccination with live, attenuated vaccines within 4 weeks of first dose of this study
  • Known unmanageable allergies, hypersensitivity, intolerance to monoclonal antibodies, to murine, chimeric, human proteins or their excipients

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: Siltuximab
Siltuximab 11 mg/kg, intravenous infusion, given as a 1-hour infusion every 3 weeks.
Drug: Siltuximab
Type=exact number, unit=mg/kg, number=11, form=intravenous solution, route=intravenous. Siltuximab given as a 1-hour infusion every 3 weeks.

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
Number of Participants With Adverse Events (AEs)
Time Frame: Up to 6 years
An adverse event (AE) is any untoward medical event that occurs in a participant administered an investigational product, and it does not necessarily indicate only events with clear causal relationship with the relevant investigational product.
Up to 6 years

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
Percentage of Previously Responding Participants Who Maintained Disease Control
Time Frame: Up to 6 years
Percentage of participants maintaining disease control (defined as stable or better response) was defined as the percentage of previously responding participants who had not progressed during the long-term safety extension based on investigator assessment. A worsening in any of the measures will be considered as a progression of the disease.
Up to 6 years
Percentage of Siltuximab-naive Participants Who Experienced Disease Control
Time Frame: Up to 6 years
Percentage of participants experiencing disease control was defined as the percentage of siltuximab-naïve participants who had stable or better response during the long-term safety extension based on investigator's judgment. Disease control was defined as stable or better response assessed by the investigators.
Up to 6 years
Duration of Disease Control
Time Frame: Up to 6 years
Duration of disease control (DODC) was defined as the time from the first siltuximab administration in this study to disease progression as assessed by the investigator. Disease control was defined as stable or better response assessed by the investigators. Kaplan-Meier method was used to estimate the duration of disease control.
Up to 6 years
Overall Survival
Time Frame: Up to 6 years
Overall survival was defined as the time between the first study siltuximab administration and death due to any cause. Kaplan-Meier method was used to estimate the overall survival.
Up to 6 years
Number of Participants Positive for Antibodies to Siltuximab
Time Frame: Up to 6 years
Serum samples were screened for antibodies binding to siltuximab and number of participants positive for antibodies to siltuximab was reported.
Up to 6 years

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.
Janssen Research & Development, LLC

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.
April 1, 2011

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.
March 1, 2017

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.
March 1, 2017

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 21, 2011

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 21, 2011

First Posted (Estimate)

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 22, 2011

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 22, 2018

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 25, 2018

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, 2018

More Information

Terms related to this study

Keywords

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.
  • CR018469
  • CNTO328MCD2002 (Other Identifier: Janssen Research & Development, LLC)
  • 2010-022837-27 (EudraCT Number)

Drug and device information, study documents

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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