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Completed

NCT Number: NCT01674270

Degarelix Neo-Adjuvant Radical Prostatectomy Trial

To assess the effect of neo-adjuvant GnRH antagonist, degarelix, versus LHRH agonist on intratumoral levels of androgens.

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Key information

Age range

18 year–75 year

Sex eligibility

Male

Study type

Interventional

Phase

Phase 2

Primary location

Vancouver General Hospital, Vancouver, British Columbia, Canada

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Who can participate

Healthy volunteers accepted: No

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

Inclusion criteria

  • Men >18 and =< 75 years of age
  • Willing and able to provide informed consent, either alone or with the aid of a translator
  • Histologically confirmed prostate cancer as determined by transrectal ultrasound (TRUS) guided prostate biopsy performed within 6 months of study enrolment
  • Gleason Score >= 7and/or prostate cancer that is clinical stage T2 disease.
  • Candidates for open radical prostatectomy considered surgically resectable by urologic evaluation
  • Normal organ and marrow function as defined by the following criteria:
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1

Exclusion criteria

  • Previous or current use of hormonal management of prostate cancer (surgical castration or other hormonal manipulation, including GnRH receptor agonists, GnRH receptor antagonists, anti-androgens, estrogens, megestrol acetate, and ketoconazole)
  • History of receiving radiation to the pelvic area.
  • Previously received therapy with 5-alpha reductase inhibitors finasteride and/or dutasteride 4 weeks prior to randomization.
  • History of bilateral orchiectomy, adrenalectomy, or hypophysectomy.
  • History of severe untreated asthma, anaphylactic reactions, or severe urticaria and/or angioedema.
  • Known hypersensitivity towards any component of the investigational medicinal product or Casodex (bicalutamide) or their excipients.
  • Marked baseline prolongation of QT/QTcF interval (e.g. repeated demonstration of a QTcF interval >450 ms).
  • History of risk factors for Torsade de Pointes ventricular arrhythmias (e.g. heart failure, hypokalemia, or family history of Long QT Syndrome).
  • Previous history or presence of another malignancy, other than prostate cancer or treated squamous / basal cell carcinoma of the skin, within the last five years.
  • Clinically significant laboratory abnormalities (e.g. severe renal or hepatic impairment) which in the judgment of the Investigator would affect the patient's health or the outcome of the trial.
  • Clinically significant disorder (other than prostate cancer) including, but not limited to, renal, haematological, gastrointestinal, endocrine, cardiac, neurological, or psychiatric disease, and alcohol or drug abuse or any other condition, which may affect the patient's health or the outcome of the trial as judged by the Investigator.
  • Use of natural medicines thought to have endocrine effects on prostate cancer (e.g. saw palmetto and St. John's Wort) 4 weeks prior to randomization.
  • Mental incapacity or language barrier precluding adequate understanding or co operation.
  • Use of an investigational drug within the last 28 days preceding the Screening Visit or longer if considered to possibly influence the outcome of the current trial.
  • Previously participated in any degarelix trial.

Treatment and study plan

degarelix

Drug

Casodex

Drug

LHRH Agonist

Drug

Primary outcomes

  1. Intratumoral androgen levels

    Time frame: Week 12

Secondary outcomes

  1. Prostate tumour morphology related to androgen withdrawal after neo-adjuvant therapy

    Time frame: Week 12

Other outcomes

  1. Serum levels of Androgen Receptor after neo-adjuvant therapy

    Time frame: Baseline, Week 12

  2. Serum level of Follicle Stimulating Hormone (FSH) after neo-adjuvant therapy

    Time frame: Baseline, Week 12

  3. Serum Level of Inhibin-b and GnRH after neo-adjuvant therapy

    Time frame: Baseline, Week 12

Sponsors and collaborators

Lead sponsor

University Health Network, Toronto

Other

Registry information

Official study title

Phase II Randomized Open Label Study of Neo-Adjuvant Degarelix vs. LHRH Agonist in Prostate Cancer Patients Prior to Radical Prostatectomy

Important dates

Study start
2012
Primary completion
2014
Study completion
2015
First posted
Aug 28, 2012
Registry last updated
Dec 22, 2015

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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