A Registry Based Study Evaluating Overall Survival and Treatment Length in mCRPC Patients Treated With Enzalutamide in Sweden

November 19, 2024 updated by: Astellas Pharma a/s

The purpose of this study is to provide real world data on treatment with enzalutamide in metastatic castration-resistant prostate cancer (mCRPC) patients.

The primary purpose is to evaluate overall survival (OS) in mCRPC patients treated with enzalutamide who have previously undergone treatment with chemotherapy (docetaxel) (post chemo patients).

This study will also evaluate treatment duration with enzalutamide in patients pre- and post-chemo.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The data source in this study is a local hospital registry created from a patient follow up of prostate cancer patients.

Study Type

Observational

Enrollment (Actual)

211

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

  • Sweden
      • Malmo, Sweden
        • Site SE46001

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

Ages Eligible for Study

14 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Patients with mCRPC initiating treatment with enzalutamide pre- and post- chemo registered in the prostate cancer registry.

Description

Inclusion criteria:

  • Chemo naïve mCRPC patients treated with enzalutamide and ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analogue or orchiectomy (i.e., surgical or medical castration).
  • mCRPC patients treated with enzalutamide and ongoing androgen deprivation therapy with a gonadotropin releasing hormone (GnRH) analogue or orchiectomy (i.e., surgical or medical castration) post chemo.

Exclusion Criteria

  • mCRPC patients previously exposed to Radium-223, abiraterone acetate and/or cabazitaxel for mCRPC (pre- and post chemotherapy).
  • Patients previously exposed to chemotherapy or abiraterone acetate+prednisolone in combination with GnRH analogue for hormone sensitive prostate cancer (HSPC).

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

  • Observational Models: Cohort
  • Time Perspectives: Retrospective

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
enzalutamide (mCRPC pre-chemo)
Patients treated with enzalutamide prior to chemotherapy
Drug: enzalutamide
oral
Other Names:
  • Xtandi
  • MDV3100
enzalutamide and chemotherapy (mCRPC post chemo)
Patients treated with enzalutamide who have previously undergone treatment with chemotherapy (docetaxel)
Drug: enzalutamide
oral
Other Names:
  • Xtandi
  • MDV3100
Drug: docetaxel
intravenous infusion

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Overall survival in metastatic castration-resistant prostate cancer (mCRPC) patients treated with enzalutamide, who have previously undergone treatment with chemotherapy (docetaxel)
Time Frame: Up to a maximum of four years
Overall survival is defined as time from initiation to death of any cause.
Up to a maximum of four years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Treatment duration of enzalutamide in pre chemo mCRPC patients
Time Frame: Up to a maximum of four years
Treatment duration is defined as time from initiation to treatment discontinuation of any cause.
Up to a maximum of four years
Treatment duration of enzalutamide in post chemo mCRPC patients
Time Frame: Up to a maximum of four years
Treatment duration is defined as time from initiation to treatment discontinuation of any cause.
Up to a maximum of four years

Collaborators and Investigators

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

Sponsor

Astellas Pharma a/s

Investigators

  • Study Chair: Medical Scientific Advisor, Astellas Pharma a/s

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

Helpful Links

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)

December 1, 2017

Primary Completion (Actual)

December 24, 2017

Study Completion (Actual)

December 24, 2017

Study Registration Dates

First Submitted

October 30, 2017

First Submitted That Met QC Criteria

October 30, 2017

First Posted (Actual)

November 1, 2017

Study Record Updates

Last Update Posted (Actual)

November 21, 2024

Last Update Submitted That Met QC Criteria

November 19, 2024

Last Verified

November 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 9785-MA-3166

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

Access to anonymized individual participant level data will not be provided for this trial. Further details on Astellas' data sharing policy can be found at https://www.clinicaltrials.astellas.com/transparency/.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

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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