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Completed No phase listed Observational

Evaluating Serum Sex Steroid Hormones

ClinicalTrials.gov ID: NCT00340756

Public ClinicalTrials.gov record NCT00340756. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 10:00 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Reproducibility of Serum Sex Steroid Measurement: A Proof of Performance Study

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to evaluate the reproducibility of measurements of sex hormone levels in serum samples. Researchers will collect blood from 60 healthy adults, including 20 men, 20 premenopausal women, and 20 postmenopausal women. Blood samples will be collected after study participants have fasted overnight.

Study identification

NCT ID
NCT00340756
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
60 participants

Conditions and interventions

Conditions

Interventions

Not listed

Eligibility (public fields only)

Age range
20 Years to 75 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Aug 6, 2003 (Type not available)
Primary completion
Not listed
Completion
Feb 25, 2011 (Type not available)
Last update posted
Jul 2, 2017

2003 – 2011

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
National Cancer Institute (NCI), 9000 Rockville Pike Bethesda Maryland 20892 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00340756, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 2, 2017 · Synced Oct 7, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00340756 live on ClinicalTrials.gov.

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