Protocol Number: 06-CH-0091

Title:

The Effects of Endometriosis on Bone Mineral Density

Number:

06-CH-0091

Summary:

This study will compare bone mass in women with a history of endometriosis, a disease in which the lining of the uterus grows on nearby tissues, to that of women who have not had endometriosis. Endometriosis may be treated with medication or surgery, or both. Because uterine tissue grows more when estrogen levels are high, medical treatment is designed to lower estrogen. Decreased estrogen, however, is often associated with weak bones and hot flashes. Also, women with endometriosis may have lower bone density as a consequence of their disease. This study will look at bone density in these women, particularly to see if areas other than the lower back may be affected.

Regularly menstruating women between 40 and 50 years old, with or without a history of endometriosis, may be eligible for this study. Candidates are screened by telephone; women with endometriosis are asked to provide documentation of their endometriosis before beginning the study.

Study participants undergo the following tests and procedures:

-Medical history and blood sample collection

-Questionnaires about exercise activity, calcium intake, menstrual cycle history, cigarette use and medication history

-DEXA scan: This test evaluates the strength of the bones in the back, wrist, and hip. The DEXA scanner uses low-energy x-rays to determine bone density. Scans are done of the lower spine, upper thigh, hip, and the entire body. For the test, the subject lies on the scanning table. Each scan takes about 3 minutes, and the entire procedure may take as long as 1 hour.

Sponsoring Institute:

National Institute of Child Health and Human Development (NICHD)

Recruitment Detail

Type: Recruitment has not started

Gender: Female

Referral Letter Required: No

Population Exclusion(s): Male

Children

Eligibility Criteria: This study is not currently recruiting new subjects. If you have questions about participating in a study, please contact the Patient Recruitment and Public Liaison Office, CC.

Special Instructions:

Currently Not Provided

Keyword(s):

Endometriosis

Bone Mineral Density

Osteopenia

Osteoporosis

DEXA Scan

Menopause

Screening

Recruitment Keyword(s):

Endometriosis

Bone Mineral Density

Osteoporosis

Healthy Volunteer

HV

Condition(s):

Endometriosis

Investigational Drug(s):

None

Investigational Device(s):

None

Interventions:

None

Supporting Site:

National Institute of Child Health and Human Development

Contact(s):

This study is not currently recruiting new subjects. If you have questions about participating in a study, please contact the Patient Recruitment and Public Liaison Office, CC.

Citation(s):

Hearns-Stokes RM, Santoro NF, Simon JA. Surgically induced endometriosis attenuates accrual of bone mineral density in growing rats. Am J Obstet Gynecol. 2001 Feb;184(3):331-5

Lopez-Castejon A, Revilla M, Hernandez ER, Villa LF, Rico H, Cortes J. Effect of induced uterine retroversion on bone mass in rats. Eur J Obstet Gynecol Reprod Biol. 1999 Mar;83(1):101-4.

Comite F, Delman M, Hutchinson-Williams K, DeCherney AH, Jensen P. Reduced bone mass in reproductive-aged women with endometriosis. J Clin Endocrinol Metab. 1989 Oct;69(4):837-42.

• Questions about participating in a study, please contact the Patient Recruitment and Public Liaison Office, CC.
• Technical questions regarding the Clinical Center web site, please contact the Department of Networks and Applications, CC.

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