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Completed

NCT Number: NCT05759273

A Study to Observe Demography and the Outcome of Prostate Cancer Patients Treated With 6-month Triptorelin Formulation in Italy

The participants of this study had Prostate Cancer. Prostate cancer is cancer that occurs in the prostate, a small gland in the male reproductive system. This study will collect data on the use of the 6-month triptorelin formulation (Decapeptyl®) in local routine clinical practice as a treatment for different stages of prostate cancer. The aim of this study will be to describe participant characteristics, as well as disease and treatment characteristics before the first injection with the 6-month triptorelin formulation in Italy. The decision to prescribe this product and all hospital visits, dose adjustments, assessments and procedures were made according to routine clinical practice at the time and independently of the decision to enroll the participants in this data collection study.

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Key information

Sex eligibility

Male

Study type

Observational

Primary location

Humanitas Gavazzeni, Bergamo, Italy

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Participants must have a documented diagnosis of prostate cancer, as per the following disease status groups: - participants with intermediate risk prostate cancer with indication to radiotherapy treated with neoadjuvant and concomitant hormonal therapy; - participants with high risk prostate cancer after radical prostatectomy or radiotherapy, treated with adjuvant hormonal therapy; - participants with advanced/metastatic prostate cancer treated with long-term hormonal therapy; - participants treated with primary therapy (i.e. surgery or radiotherapy) with biochemical recurrence; - participants with castration-resistant prostate cancer;
  • Participants must have received a minimum of one injection with the 6 month triptorelin formulation according to this product's local label, during the participant identification period;
  • Participants must have a minimum of 6 months of follow-up data recorded on their medical files after the first injection with the 6-month formulation, and until death or 06 July 2022, whichever comes first;
  • Participants may have received previous treatment with an LHRH analogue;
  • Participants must have at least one document analysis of PSA levels recorded before the injection with the 6-month formulation;
  • Participants with castration status achieved with any LHRH analogue who switched to the 6-month triptorelin formulation must have a minimum of two documented analysis of testosterone levels: (a) one performed before the first ever injection with the 6-month formulation, if available, and one performed during the period covered by treatment with this formulation to confirm castration maintenance in the participant SMD form protocol master data-OBS / Version 1 OR (b) both analyses performed during the period covered by treatment with this formulation;
  • Noncastrated participants or castration-naïve participants must have a minimum of two documented analysis of testosterone levels: (a) one performed before the first ever injection with the 6-month formulation, if available, and one performed during the period covered by the treatment with this formulation to confirm that castration status has been reached; OR (b) both analyses performed during the period covered by treatment with this formulation. Note: if available, another testosterone analysis performed during the period covered by the treatment with this formulation will also be collected to confirm that castration status was maintained in the participant; Note: A noncastrated participant is defined as a participant who was not receiving any testosterone-blocking treatment at the time of the first injection with the 6-month triptorelin formulation but had history of previous ADT agents. A castration-naïve participant is defined as a participant that never received any testosterone-blocking treatment prior to the first injection with the 6-month formulation.
  • Provision of written ICF to the extent required according to applicable national local regulations for a retrospective, noninterventional study;

Exclusion criteria

  • Have missing PSA data before having received the first injection with the 6 month triptorelin formulation;
  • Were diagnosed with low-risk or localised prostate cancer;
  • Do not fulfil all the inclusion criteria.

Treatment and study plan

Primary outcomes

  1. Percentage of Participants Naive to Androgen Deprivation Therapy (ADT), Non-naive to ADT and Castrated

    Time frame: Before first Injection (before day 1)

  2. Demographic Characteristic: Age of Participants

    Time frame: Before first Injection (before day 1)

    The age of study participants will be reported.

  3. Demographic Characteristic: Body Mass Index (BMI)

    Time frame: Before first Injection (before day 1)

    BMI of study participants will be reported.

  4. Testosterone Levels

    Time frame: Before first Injection (before day 1)

    Participants serum testosterone levels will be assessed.

  5. Tumor Characteristics as Evaluated by Eastern Cooperative Oncology Group (ECOG) Score

    Time frame: Before first Injection (before day 1)

    Tumor characteristics, collected by ECOG Score at the nearest visit just before the injection.

  6. Tumor Characteristics as Evaluated by Tumor Node Metastasis (TNM) Staging System

    Time frame: Before first Injection (before day 1)

    Tumor characteristics, collected by TNM staging system at the nearest visit just before the injection.

  7. Tumor Characteristics as Evaluated by Grade Group and/or Gleason Score

    Time frame: Before first Injection (before day 1)

    Tumor characteristics, collected by Grade Group and/or Gleason Score at the nearest visit just before the injection.

  8. Prostate Cancer-specific Antigen(PSA) Levels

    Time frame: Before first Injection (before day 1)

  9. Describe Data of Participants with Prostate Cancer History

    Time frame: Before first Injection (before day 1)

    Describe Data including primary treatment or active surveillance, and other therapies.

Secondary outcomes

  1. Reasons for Choosing the 6-month Triptorelin Formulation

    Time frame: From first injection (Day 1) with the 6-month formulation up to 6 months after the last injection with this product

  2. Percentage of Participants who Either Permanently or Temporarily Discontinued 6-month Triptorelin Formulation

    Time frame: From first injection (Day 1) with the 6-month formulation up to 6 months after the last injection with this product

  3. Duration of Treatment with 6-month Triptorelin Formulation

    Time frame: From first injection (Day 1) with the 6-month formulation up to 6 months after the last injection with this product

  4. Percentage of Participants whose Serum Testosterone Levels Presented Castration Levels (testosterone levels <50 nanograms per deciliter)

    Time frame: From first injection (Day 1) with the 6-month formulation up to 6 months after the last injection with this product

  5. Percentage of Participants Using Prostate Cancer-related Concomitant Therapies

    Time frame: From first injection (Day 1) with the 6-month formulation up to 6 months after the last injection with this product

    Concomitant therapies are defined such as combined treatments (chemotherapy and/or androgen receptor targeted agents (ARTAs; enzalutamide, abiraterone, etc.) and/or radiotherapy.

  6. Prostate Cancer-specific Antigen (PSA) Levels

    Time frame: At first injection (Day 1) with the 6-month triptorelin formulation up to the 6 months after the last injection with this product

  7. Percentage of Participants who Switched to 6-month Triptorelin Formulation From the 3-Month Triptorelin Formulation or Another LHRH Analogue

    Time frame: At first injection (Day 1) with the 6-month triptorelin formulation up to the 6 months after the last injection with this product

    Percentage of participants who switched the treatment along with the reasons for switching the treatment will be reported.

  8. Percentage of Participants who Switched to the 3-month triptorelin Formulation or Another Luteinizing Hormone-releasing Hormone (LHRH) Analogue from 6-month formulation

    Time frame: At first injection (Day 1) with the 6-month triptorelin formulation up to the 6 months after the last injection with this product

    Percentage of participants who switched the treatment along with the reasons for switching the treatment will be reported.

  9. Potential Factors Predictive of any Treatment Switch

    Time frame: At first injection (Day 1) with the 6-month triptorelin formulation up to the 6 months after the last injection with this product

    Potential factors such as PSA levels, prostate cancer aggressiveness criteria (based on tumor histological assessment), age, BMI, physical condition (ECOG scale), comorbidities, etc.) leading to treatment switch will be identified.

  10. Percentage of Participants who Were Noncastrated or Castration-naïve and who Presented Serum Testosterone Levels Corresponding to Castration

    Time frame: Day 45 up to 6 months after the last injection with this product

    Castration is defined as a testosterone level <50 ng/dL among all testosterone evaluations available in the participants' medical files

  11. Percentage of Participants Whose Serum Testosterone Levels Never Reached Castration Levels

    Time frame: During treatment with the 6-month formulation (approximatively three years of existing participants data).

    Castration is defined as a testosterone level <50 ng/dL among all testosterone evaluations available in the participants medical files.

  12. Percentage of Participants With Triptorelin-related Adverse events (AEs), Serious Adverse Events (SAEs), Non-SAEs and as well as Special Situations AEs

    Time frame: From first injection (at day 1) with the 6-month formulation up to 6 months after the last injection with this product.

Sponsors and collaborators

Lead sponsor

Ipsen

Industry

Registry information

Official study title

Retrospective, Noninterventional Study Assessing the Real-Life Use of The Long-Acting 6-Month Triptorelin Formulation as A Treatment for Different Stages of Prostate Cancer in Italy - REAL6T

Acronym: REAL6T

Important dates

Study start
2023
Primary completion
2024
Study completion
2024
First posted
Mar 8, 2023
Registry last updated
Nov 1, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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