- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05116293
Effect of Testosterone Treatment on Drug Metabolism and Transport
March 15, 2024 updated by: Lauren Cirrincione, University of Washington
Effect of Gender-Affirming Testosterone Therapy on Drug Metabolism, Transport, and Gut Microbiota
This project will evaluate the effect of gender-affirming testosterone treatment on how other medications are processed by the body.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Detailed Description
Gender-affirming hormone therapy may include testosterone, a hormone that the body creates and uses naturally.
Testosterone is prepared as a medication that patients may take to increase hormone levels.
Changes in testosterone concentrations in the body may affect how the body processes other medicines.
The purpose of this study is to find out how testosterone therapy affects a single tracer dose of approved medicines in the blood (midazolam, digoxin, and acetaminophen) and to confirm testosterone treatment does not affect natural bacterial in the gut.
Study Type
Observational
Enrollment (Estimated)
12
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Lauren Cirrincione, MPH, PharmD
- Phone Number: 650-353-7782
- Email: lc10@uw.edu
Study Locations
-
-
Washington
-
Seattle, Washington, United States, 98195
- University of Washington
-
-
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
18 years to 60 years (Adult)
Accepts Healthy Volunteers
Yes
Sampling Method
Non-Probability Sample
Study Population
Transgender adults planning to take testosterone treatment.
Description
Inclusion Criteria:
- Self-identified trans* adult at least 18 years of age.
- Not taking testosterone treatment currently.
- Planning to start testosterone treatment through care provider for gender-affirming medical care.
Exclusion Criteria:
- Unwilling/unable to return for project follow-up visits.
- Unwilling/unable to provide written informed consent.
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
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
midazolam AUC ratio (treatment/control)
Time Frame: 0-48 hours
|
ratio of the area under of the plasma concentration time curve (AUC) of midazolam in the presence to absence of gender-affirming testosterone treatment.
|
0-48 hours
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
midazolam Cmax ratio (treatment/control)
Time Frame: 0-48 hours
|
ratio of the maximum plasma concentration (Cmax) of midazolam in the presence to absence of gender-affirming testosterone treatment
|
0-48 hours
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Lauren Cirrincione, MPH,Pharm D, University of Washington
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)
May 1, 2021
Primary Completion (Actual)
February 15, 2024
Study Completion (Estimated)
December 31, 2024
Study Registration Dates
First Submitted
October 15, 2021
First Submitted That Met QC Criteria
October 29, 2021
First Posted (Actual)
November 11, 2021
Study Record Updates
Last Update Posted (Actual)
March 18, 2024
Last Update Submitted That Met QC Criteria
March 15, 2024
Last Verified
March 1, 2024
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anesthetics, Intravenous
- Anesthetics, General
- Anesthetics
- Analgesics, Non-Narcotic
- Antipyretics
- Protective Agents
- Cardiotonic Agents
- Tranquilizing Agents
- Psychotropic Drugs
- Hypnotics and Sedatives
- Adjuvants, Anesthesia
- Anti-Anxiety Agents
- GABA Modulators
- GABA Agents
- Digoxin
- Midazolam
- Acetaminophen
Other Study ID Numbers
- STUDY00011644
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
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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