TranssexualismNCT00135148
Decrease of Libido of Post-Operative Male-Female Transsexuals and a Healthy Female Control Group
An observational study of Transsexualism, run by University Hospital, Ghent at 1 site in Belgium.
Trial summary
Participants fill out a questionnaire on libido and their possible partner relationship. A blood sample is taken for sex steroid analysis. Read more about this study
- Who is it for?
- Ages 18 years and older, women only
- Conditions the study is for
- Transsexualism
- What is being tested?
- Filling out a questionnaire on libido and possible partner relationship and Sex steroid analysis
- Type of treatment
- Surgery or procedure
- How many people
- 150 participants
- Where
- 1 siteBelgium
- Study dates
- Apr 2004to Aug 2005
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Women only
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Transsexual women with completed adaptation of the sex (all surgical procedures and hormonal treatments)
- The female control group must be 18-45 years
Who cannot join
None listed.
Trial locations and contacts
1 site in 1 country.
About this study
Participants fill out a questionnaire on libido and their possible partner relationship.
A blood sample is taken for sex steroid analysis.
Read the detailed description
Participants fill out a questionnaire on libido and their possible partner relationship on the website http://www.onderzoek-libido.be.
A blood sample is taken for sex steroid analysis. The relation will be investigated between testosterone, free testosterone, sex hormone binding globulin, estradiol, DHEA and androstenedione and scores on relational and sexual satisfaction and sexual desire.
- Conditions
- Transsexualism
- Being tested
- Filling out a questionnaire on libido and possible partner relationship, Sex steroid analysis
- Medical subject headings
- Transsexualism
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Filling out a questionnaire on libido and possible partner relationshipProcedure or surgery
Sex steroid analysisProcedure or surgery
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted25 Aug 2005 (estimated)
- Study startApr 2004
- Study completionAug 2005
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for TranssexualismStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Enrolment
- 150 participants
Sponsor and investigators
- Lead sponsor
- University Hospital, Ghent
- Sponsor type
- University, hospital or other
- Collaborators
- Organon
- Investigators
- Guy T'Sjoen, MD, Principal investigator, University Hospital, Ghent
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00135148
- Sponsor's protocol ID
- 2004/341
- Status last verified
- Dec 2007
- First submitted
- 24 Aug 2005
- Last updated
- 28 Dec 2007
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 28 Dec 2007. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Decrease of Libido of Post-Operative Male-Female Transsexuals and a Healthy Female Control Group
- ClinicalTrials.gov ID
- NCT00135148
- Acronym / sponsor ID
- 2004/341
- Conditions
- Transsexualism
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 150 participants
- Lead sponsor
- University Hospital, GhentUniversity, hospital or other
- Collaborators
- Organon
- Study start
- Apr 2004
- Study completion
- Aug 2005 (actual)
- First posted
- 25 Aug 2005 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Participants fill out a questionnaire on libido and their possible partner relationship.
A blood sample is taken for sex steroid analysis.
Detailed description
Participants fill out a questionnaire on libido and their possible partner relationship on the website http://www.onderzoek-libido.be.
A blood sample is taken for sex steroid analysis. The relation will be investigated between testosterone, free testosterone, sex hormone binding globulin, estradiol, DHEA and androstenedione and scores on relational and sexual satisfaction and sexual desire.
Study design
Who may qualify
- Ages
- 18 years and older
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (2 listed)
- Transsexual women with completed adaptation of the sex (all surgical procedures and hormonal treatments)
- The female control group must be 18-45 years
Key exclusion criteria (0 listed)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Filling out a questionnaire on libido and possible partner relationship | Procedure or surgery | – |
| Sex steroid analysis | Procedure or surgery | – |
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 28 Dec 2007.
- Website University Hospital GhentLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Guy T'Sjoen, MD principal investigator
University Hospital, Ghent
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Transsexualism, run by University Hospital, Ghent at 1 site in Belgium.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 0 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 28 Dec 2007. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Belgium. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 28 Dec 2007; AzTrials last refreshed its copy on 1 Nov 2026.