A Phase 1 Study of MDV3100 in Patients With Castration-Resistant (Hormone-Refractory) Prostate Cancer

September 10, 2019 updated by: Pfizer

A PHASE 1, OPEN-LABEL, DOSE-ESCALATION SAFETY AND PHARMACOKINETIC STUDY OF MDV3100 IN PATIENTS WITH CASTRATION-RESISTANT PROSTATE CANCER

This is a multi-center open-label dose-escalation study of a novel compound (MDV3100) to treat patients with castration-resistant (hormone-refractory) prostate cancer. Additional patients will be enrolled in expanded cohorts at doses determined to be tolerable. Patients who tolerate the drug and do not progress will be allowed to continue to look for PSA response.

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 Phase 1, open-label, uncontrolled, dose-escalation study with dose-expansion at doses determined to be tolerated. Patients who tolerate the drug and do not progress will be allowed to continue treatment. The study endpoints are safety and tolerability and pharmacokinetics. PSA values will also be collected to look for PSA response.

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.
140

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 1

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
    • Massachusetts
      • Boston, Massachusetts, United States, 02215
        • Beth Israel Deaconess Medical Center (Bidmc)
      • Boston, Massachusetts, United States, 02115
        • Dana-Farber Cancer Institute (DFCI)
    • New York
      • New York, New York, United States, 10065
        • Memorial Sloan-Kettering Cancer Center
      • New York, New York, United States, 10065
        • MSKCC- Sidney Kimmel Center
    • Oregon
      • Portland, Oregon, United States, 97239
        • Oregon Health & Science University
    • Texas
      • Houston, Texas, United States, 77030-4009
        • The University of Texas M.D. Anderson Cancer Center
      • Houston, Texas, United States, 77030-4009
        • Investigational Pharmacy Services
    • Washington
      • Seattle, Washington, United States, 98109
        • Seattle Cancer Care Alliance
      • Seattle, Washington, United States, 98195
        • University of Washington 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

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  1. Histologically or cytologically confirmed adenocarcinoma of the prostate;
  2. Ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analogue or inhibitor, or orchiectomy (i.e., surgical or medical castration);
  3. Progressive disease after medical or surgical castration,

Exclusion Criteria:

1. Metastases in the brain or active epidural disease. (Note: patients with treated epidural disease are allowed);

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
  • 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: 1
MDV3100
Drug: MDV3100
MDV3100 daily until progression or dose-limiting toxicity
Other Names:
  • Xtandi
  • enzalutamide

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 Treatment Emergent Adverse Events (TEAEs) and Treatment Emergent Serious Adverse Events (SAEs)
Time Frame: Baseline up to 30 days after last dose of study treatment (approximately maximum of 129 months)
An adverse events (AE) was any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. An SAE was an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. A treatment emergent AE was defined as an event that emerged during the treatment period that was absent before treatment, or worsened during the treatment period relative to the pretreatment state. AEs included both SAEs and non-SAEs.
Baseline up to 30 days after last dose of study treatment (approximately maximum of 129 months)
Percentage of Participants With at Least 1 Dose-limiting Toxicity (DLT): Multiple Dose Period
Time Frame: Baseline up to first 35 days of the study treatment in multiple dose period
DLT was defined as a national cancer institute's common toxicity criteria for adverse events (NCI-CTCAE) version 3.0 grade 3 or greater toxicity regardless of perceived causality that is not improved by the use of adequate/maximal medical intervention. Grade 3 alopecia, fever without neutropenia, nausea, vomiting, fatigue, and self-limited or medically controllable adverse events were not considered as DLTs.
Baseline up to first 35 days of the study treatment in multiple dose period
Maximum Tolerated Dose (MTD) of MDV3100: Multiple Dose Period
Time Frame: Baseline up to first 35 days of the study treatment in multiple dose period
Tolerability was defined as if less than (<) 4/12 in participants with no prior exposure to MDV3100 (chemo-naive) and < 4/12 prior chemotherapy participants experienced a DLT within the first 35 days of the multiple dose period. For doses higher than 360 mg/day, tolerability was defined if <8/24 participants previously treated with chemotherapy experience a DLT within the first 35 days of the multiple dose period. MTD was defined as a dose below the intolerable dose.
Baseline up to first 35 days of the study treatment in multiple dose period

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
Area Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours Post Dose (AUC[0-24]) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24 hours post dose on Day 1 of Single Dose Period
Pre-dose, 0.5, 1, 2, 4, 6, 24 hours post dose on Day 1 of Single Dose Period
Area Under the Plasma Concentration Versus Time Curve From Time Zero to the Last Measurable Concentration (AUC[0-t]) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours postdose on Day 1 of Single Dose Period
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours postdose on Day 1 of Single Dose Period
Area Under the Plasma Concentration Versus Time Curve From Time Zero to Infinity (AUC[0-inf]) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Time to Reach Maximum Plasma Concentration (Tmax) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Maximum Plasma Concentration (Cmax) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Apparent Terminal Elimination Half-Life (T1/2) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
T 1/2 is the time measured for the plasma concentration of MDV3100 to decrease by one half.
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Apparent Volume of Distribution (V/F) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Volume of distribution is defined as the theoretical volume in which the total amount of MDV3100 would need to be uniformly distributed to produce the desired plasma concentration of MDV3100. Apparent volume of distribution after oral dose (V/F) is influenced by the fraction absorbed.
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Apparent Total Plasma Clearance (CL/F) of MDV3100: Single Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Clearance of a MDV3100 is a measure of the rate at which a MDV3100 is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed.
Pre-dose, 0.5, 1, 2, 4, 6, 24, 48, 72, 96, 120 hours post dose on Day 1 of Single Dose Period
Area Under the Plasma Concentration Versus Time Curve From Time Zero to 24 Hours Post Dose (AUC[0-24]) of MDV3100: Multiple Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Time to Reach Maximum Plasma Concentration (Tmax) of MDV3100: Multiple Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Maximum Plasma Concentration (Cmax) of MDV3100: Multiple Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Minimum Observed Plasma Concentration (Cmin) of MDV3100: Multiple Dose Period
Time Frame: Pre-dose on Day 1 of Multiple Dose Period
Pre-dose on Day 1 of Multiple Dose Period
Apparent Total Plasma Clearance (CL/F) of MDV3100: Multiple Dose Period
Time Frame: Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period
Clearance of a MDV3100 is a measure of the rate at which a MDV3100 is metabolized or eliminated by normal biological processes. Clearance obtained after oral dose (apparent oral clearance) is influenced by the fraction of the dose absorbed.
Pre-dose, 0.5, 1, 2, 24 hours post dose on Day 84 of Multiple Dose Period

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
Percentage of Participants With Prostate Specific Antigen (PSA) Response at Day 84: Multiple Dose Period
Time Frame: Baseline, Day 84
Prostate-specific antigen is a glycoprotein considered as a biomarker for the response to therapy in men with prostate cancer. A 50 percent (%) decline in PSA from baseline to the PSA level at Day 84 was considered as a PSA response.
Baseline, Day 84

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.
Pfizer

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.
Astellas Pharma Inc
Medivation LLC, a wholly owned subsidiary of Pfizer Inc.

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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.
July 23, 2007

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.
December 8, 2008

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 2, 2018

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 31, 2007

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 31, 2007

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.
August 2, 2007

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.
October 3, 2019

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.
September 10, 2019

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.
September 1, 2019

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.
  • S-3100-1-01
  • C3431009 (Other Identifier: Alias Study Number)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Pfizer will provide access to individual de-identified participant data and related study documents (e.g. protocol, Statistical Analysis Plan (SAP), Clinical Study Report (CSR)) upon request from qualified researchers, and subject to certain criteria, conditions, and exceptions. Further details on Pfizer's data sharing criteria and process for requesting access can be found at: https://www.pfizer.com/science/clinical_trials/trial_data_and_results/data_requests.

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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