NCT05149131

Brief Summary

This is an observational study in which patient data from the past on men with metastatic castration-sensitive prostate cancer is studied. Metastatic castration-sensitive prostate cancer (mCSPC) is a type of advanced prostate cancer that has spread to other parts of the body, and still responds to treatment that lowers testosterone levels. Cancer is a condition in which the body cannot control the growth of cells. The extra cells can form tumors in organs or other parts of the body. If tumors form in the prostate, male hormones (androgens) can sometimes help the cancer spread and grow. The main hormone that does this is called testosterone and is mainly made in the testicles. Men with prostate cancer can have treatments to try to lower the levels of testosterone in the body. One possible treatment is surgery to remove the testicles. Another option is taking treatments to lower the levels of testosterone in the body. These are called androgen deprivation therapy (ADT). In men with mCSPC, ADT can help to stop the cancer from growing and spreading. Men with mCSPC can also receive "treatment intensification". This means that they receive ADT as well as other treatments for their prostate cancer. Other studies that looked at treatment of mCSPC in Canada have found that most men with mCSPC do not receive treatment intensification. In this study, the researchers want to collect more data about the men who had mCSPC and the types of treatment they received for their mCSPC. The researchers will look at the health information of adult men in Alberta, Canada who had at least 1 dose of treatment for their mCSPC between January 2016 and December 2020 or earlier. The study will first look at the health information of men whose cancer had metastasized or spread to other parts of the body, beyond the prostate, at the time they were diagnosed with prostate cancer. And later, if feasible to do, the study may also look at the health information from men who were diagnosed with prostate cancer that was limited to the prostate, and over time spread to other parts of the body. The researchers will collect information from databases, a census, and pharmacy records. This will help the researchers learn more about:

  • whether the men received ADT alone, or ADT with treatment intensification
  • additional information about the men, including their age, income, level of education, residential area (urban or rural) and the more information about the treatments received
  • how the men's symptoms affected their daily lives
  • how severe the men's cancer was
  • changes in laboratory values as markers for changes to the blood, liver, kidney, bone or other organs
  • need for additional treatment
  • where the men's cancer may have spread to in other parts of the body. There will be no required visits with a study doctor or required tests in this study since it's reviewing patient data from the past. The researchers will collect this information for about 7 months. The entire study will take about 10 months to finish.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
960

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2022

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 25, 2021

Completed
13 days until next milestone

First Posted

Study publicly available on registry

December 8, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

January 17, 2022

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 16, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 16, 2022

Completed
Last Updated

February 9, 2024

Status Verified

February 1, 2024

Enrollment Period

7 months

First QC Date

November 25, 2021

Last Update Submit

February 8, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Descriptive summary of patient characteristics by cohort

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

Secondary Outcomes (7)

  • Change in percentage of patients within each treatment cohort by year

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

  • Overall survival

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

  • Percentage of patients that died due to cancer

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

  • Percentage of patients that received subsequent life-prolonging therapies (LPT)

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

  • Attrition rate for each line of therapy

    Retrospective analysis from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

  • +2 more secondary outcomes

Study Arms (1)

mCSPC patients in the province of Alberta

mCSPC patients who initiated and received at least one dose of guideline recommended life-prolonging therapy for mCSPC (docetaxel, abiraterone, enzalutamide, apalutamide, or ADT alone) from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff, inclusive.

Drug: ADT (Eligard®*) with or without treatment intensification

Interventions

Abiraterone acetate (Zytiga®) Enzalutamide (Xtandi®) Apalutamide (Erleada®) Docetaxel (Taxotere®) \*may be substituted with leuroprolide gel, buserelin, goserelin, triptorelin, histrelin, cyproterone or degarelix

mCSPC patients in the province of Alberta

Eligibility Criteria

Age18 Years+
Sexmale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

The study will include all mCSPC patients in the province of Alberta that initiated and received at least one dose of guideline recommended life-prolonging therapy for mCSPC (docetaxel, abiraterone, enzalutamide, apalutamide, or ADT alone) from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff, inclusive. Patients with de novo metastatic disease are easily identifiable by diagnosis with metastatic disease. Patients who relapse with metastatic disease may be more challenging to identify. The study will start by reporting on results for de novo mCSPC patients only while feasibility assessment is done to determine if these patients can be identified, and if so, they will be added to the study population.

You may qualify if:

  • Male patients
  • Diagnosed with mCSPC
  • Residents of Alberta, Canada
  • Initiating ADT with or without treatment intensification from 01-Jan-2016 up to 31-Dec-2020 or earlier based on database cutoff

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Databases

Multiple Locations, Alberta, Canada

Location

Related Links

MeSH Terms

Interventions

Androgen Antagonistsluprolide acetate gel depot

Intervention Hierarchy (Ancestors)

Hormone AntagonistsHormones, Hormone Substitutes, and Hormone AntagonistsPhysiological Effects of DrugsPharmacologic ActionsChemical Actions and Uses

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 25, 2021

First Posted

December 8, 2021

Study Start

January 17, 2022

Primary Completion

August 16, 2022

Study Completion

August 16, 2022

Last Updated

February 9, 2024

Record last verified: 2024-02

Data Sharing

IPD Sharing
Will not share

Availability of this study's data will later be determined according to Bayer's commitment to the EFPIA/PhRMA "Principles for responsible clinical trial data sharing". This pertains to scope, timepoint and process of data access. As such, Bayer commits to sharing upon request from qualified researchers patient-level clinical trial data, study-level clinical trial data, and protocols from clinical trials in patients for medicines and indications approved in the US and EU as necessary for conducting legitimate research. This applies to data on new medicines and indications that have been approved by the EU and US regulatory agencies on or after January 01, 2014. Interested researchers can use www.vivli.org to request access to anonymized patient-level data and supporting documents from clinical studies to conduct research. Information on the Bayer criteria for listing studies and other relevant information is provided in the member section of the portal.

Locations