The Effect of Estrogen and Progesterone Levels on Knee and Ankle Joint Laxity - Tabular View

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The Effect of Estrogen and Progesterone Levels on Knee and Ankle Joint Laxity

This study is ongoing, but not recruiting participants.

Study NCT00005923. Last updated on June 23, 2005. Information provided by National Center for Research Resources (NCRR)

This Tabular View shows the required WHO registration data elements as marked by ^†

Descriptive Information Fields
Brief Title ^†	The Effect of Estrogen and Progesterone Levels on Knee and Ankle Joint Laxity
Official Title ^†
Brief Summary	The proposed research is an observational study designed to compare estrogen and progesterone serum levels with knee and ankle joint laxity, and muscle reaction time as a measure of neuromuscular function. Three groups of women athletes with differing estrogen and progesterone profiles (normal menstrual cycles, amenorrheic, and exogenous estrogen supplementation) and one control group (male collegiate athletes) will be used to compare differences in joint laxity and neuromuscular function. Blood levels of estrogen and progesterone will be measured at four time points across the menstrual cycle. Joint laxity and muscle reaction time will also be measured at each of these points. The investigator hypothesizes that knee and ankle joint laxity and muscle reaction time will significantly increase with increasing estrogen and progesterone levels.
Detailed Description
Study Phase
Study Type ^†	Observational
Study Design ^†	Natural History
Primary Outcome Measure ^†
Secondary Outcome Measure ^†
Condition ^†	Healthy
Intervention ^†
MEDLINE PMIDs
Links

Recruitment Information Fields
Recruitment Status ^†	Active, not recruiting
Enrollment ^†
Start Date ^†
Completion Date
Eligibility Criteria ^†	Inclusion Criteria: pre-collegiate or collegiate athletes
Gender	Both
Ages	15 Years to 23 Years
Accepts Healthy Volunteers	Yes
Contacts ^††
Location Countries ^†	United States

Administrative Information Fields
NCT ID ^†	NCT00005923
Organization ID	NCRR-M01RR00109-0749
Secondary IDs ^††	M01RR00109
Study Sponsor ^†	National Center for Research Resources (NCRR)
Collaborators ^††
Investigators ^†
Information Provided By	National Center for Research Resources (NCRR)
Verification Date	November 2001
First Received Date ^†	June 23, 2000
Last Updated Date	June 23, 2005

^† Required WHO trial registration data element.
^†† WHO trial registration data element that is required only if it exists.