The Role of Follicle Stimulating Hormone in Advanced Prostate Cancer

January 21, 2020 updated by: Lund University

Case Control Study Regarding the Role of Follicle Stimulating Hormone in Chemically Castrated Young Men

In order to elucidate if FSH can have testosterone like effects, samples from young, non-smoking healthy volunteers, with normal body mass index, and with pharmacologically induced gonadotropin deficiency will be studied regarding their capacity to induce prostate specific antigen (PSA), which normally is regulated by testosterone.

Study Overview

Detailed Description

Normally, prostate specific antigen (PSA), which is a marker for prostate disease and progression, is exclusively produced in response to testosterone. In order to elucidate if follicle stimulating hormone (FSH) can have testosterone like effects, samples from n=30 non-smoking healthy volunteers, 20-30 years of age and with normal body mass index (20-25) with pharmacologically induced gonadotropin deficiency will be studied. The men are currently recruited and during 5 weeks undergoing:

  1. Pharmacologically induced gonadotropin deficiency w 1-3;
  2. FSH-treatment of 50% (group A), w 1-5;
  3. Testosterone (T) treatment of all (group A and B) w 4-5;
  4. End and follow up after 5 weeks.

A subcutaneous injection with the GnRH antagonist degarelix (240 mg¸ Ferring GmbH Wittland, Kiel, Germany) results in drop of both FSH and LH-induced testosterone. Half of the men will get recombinant FSH (300 IU; Gonal-f, Merck Serrono S.A. Aubonne, Schweiz) back, whereas 50% will not. Three weeks thereafter, the full spectrum of FSH dependent changes occur and are reflected in blood. From this occasion testosterone (Nebido, Ferring GmbH Wittland, Kiel, Germany) will be given to all participants to diminish the side-effects of the castration. Blood samples are collected at start, after 3 wks and after 5 wks. At that point also a follow up is undertaken. This experimental design will provide samples from each individual during normal conditions, during castration, and after a standardised dose of FSH.

Study Type

Interventional

Enrollment (Actual)

33

Phase

  • Not Applicable

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

      • Malmö, Sweden, 21428
        • Reproductive Medicine 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

Ages Eligible for Study

20 years to 30 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Male

Description

Inclusion Criteria: Healthy, non-smoking, body mass index 20-25, Exclusion Criteria: Medication or drug abuse

-

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: Other
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Other: GnRH antagonist + FSH + testosterone

At the start of the study: 240 mg of the gonadotropin releasing hormone antagonist Degarelix (Ferring GmbH, Wittland, Kiel, Germany) + recombinant FSH (Gonal-f, Merck Serrono S.A. Aubonne, Schweiz), 300 IU every second day for 5 weeks.

After 3 weeks: 1000 mg testosterone once.

Two doses of degarelix, 240 mg, subcutaneously once, at study start.
Other Names:
  • Firmagon
Gonal-f 300 IU subcutaneously 3 times per week for 5 weeks.
Other Names:
  • Gonadotropin
One dose 1000 mg testosterone once, after 3 weeks.
Other Names:
  • Nebido
Other: GnRH antagonist + testosterone

At the start of the study: 240 mg of the gonadotropin releasing hormone antagonist Degarelix (Ferring GmbH, Wittland, Kiel, Germany).

After 3 weeks: 1000 mg testosterone (Nebido, Bayer AB, Solna, Sweden) once.

Two doses of degarelix, 240 mg, subcutaneously once, at study start.
Other Names:
  • Firmagon
One dose 1000 mg testosterone once, after 3 weeks.
Other Names:
  • Nebido

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
PSA-concentration
Time Frame: 5 weeks
Prostate marker
5 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
FSH dependent proteins
Time Frame: 5 weeks
Proteins identified by spectrophotometry
5 weeks

Collaborators and Investigators

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

Sponsor

Investigators

  • Principal Investigator: Yvonne Lundberg Giwercman, Professor, Lund University, dept Translational medicine

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)

September 16, 2019

Primary Completion (Actual)

December 20, 2019

Study Completion (Actual)

December 31, 2019

Study Registration Dates

First Submitted

October 18, 2019

First Submitted That Met QC Criteria

October 18, 2019

First Posted (Actual)

October 22, 2019

Study Record Updates

Last Update Posted (Actual)

January 22, 2020

Last Update Submitted That Met QC Criteria

January 21, 2020

Last Verified

January 1, 2020

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

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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