EndometriosisNCT00291278
Effects of Endometriosis on Bone Mineral Density
An observational study of Endometriosis, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.
Trial 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. Read more about this study
- Who is it for?
- Ages 40 to 50 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Endometriosis
- How many people
- 80 participants
- Where
- 1 siteUnited States
- Study dates
- 7 Feb 2006to 10 Feb 2009
- 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 40 to 50 years
- Women only
- Healthy volunteers accepted
- Adult
Who may be able to join
- Regularly cycling women between the ages of 40 and 50 with surgically documented endometriosis (preferably biopsy proven, but unequivocal operative reports may allow inclusion).
- OR
- Regularly cycling women between the ages of 40 and 50 who are healthy volunteers.
- Women will be matched by ethnicity, by BMI within 5 kg/M(2), and by age (at the time of DEXA) in two groups: 40 - 45 years and 45 - 50 years.
Who cannot join
- Women who are pregnant or lactating or who have abnormalities in the medical history or screening laboratory tests that might contribute to abnormal BMD (e.g. hypercalcemia, renal failure) will not be enrolled
- We will not include women who currently or have previously taken medications known to affect bone mineral density (e.g. thyroid hormone suppression, supraphysiologic glucocorticoids, GnRH, dilantin) or those that suggest menstrual abnormalities (fertility drugs), but we will consider other prescription drug use on a case-by-case basis.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, 20892
About this study
Official title: The Effects of Endometriosis on Bone Mineral Density
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.
Read more
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.
Read the detailed description
After peaking in the third decade, bone mineral density (BMD) decreases slowly over time, with a more dramatic short-term decline at the time of menopause. Because of the association with osteoporosis and fracture, evaluation of BMD at the time of menopause is recommended, as is identification and treatment of any reversible causes of bone mineral loss. Most studies of women with endometriosis have shown no change or decreased BMD, while rats with induced endometriosis had a marked decrease in BMD. Often, studies in women did not control for factors that are known to affect bone density such as body mass index (BMI), exercise, or calcium intake. To address the question of whether endometriosis is associated with a change in BMD, we previously matched healthy volunteers and endometriosis patients for age, race, BMI, exercise level and calcium intake and compared BMD in the two groups. We found a decrease in BMD in women aged 40 - 50 who had a history of endometriosis, in comparison to women who did not have such a history. This study will expand that experience by studying more women aged 40 - 50 years with a history of endometriosis and matching them to women of the same race with similar age and BMI, who do not have a history of endometriosis. Participants will fill out a questionnaire about their medical, exercise and dietary history and will provide a single blood sample. A bone density study will be done and results will be made available to the participants.
- Conditions
- Endometriosis
- Keywords
- Endometriosis, Bone Mineral Density, Osteopenia, Osteoporosis, DEXA Scan, Menopause, Screening, Healthy Volunteer, HV
- Medical subject headings
- Endometriosis, Bone Diseases, Metabolic, Osteoporosis
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted13 Feb 2006 (estimated)
- Study start7 Feb 2006
- Study completion10 Feb 2009
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for EndometriosisStudies 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
- 80 participants
Sponsor and investigators
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00291278
- Sponsor's protocol ID
- 060091
- Other IDs
- 06-CH-0091
- Status last verified
- 10 Feb 2009
- First submitted
- 11 Feb 2006
- Last updated
- 2 Jul 2017
- Results posted
- No
Publications
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. doi: 10.1067/mob.2001.110025.
PubMed 11228482Lopez-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. doi: 10.1016/s0301-2115(98)00304-2.
PubMed 10221617Comite 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. doi: 10.1210/jcem-69-4-837.
PubMed 2778037
Study at a glance
From the registry record, last updated by the sponsor on 2 Jul 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- The Effects of Endometriosis on Bone Mineral Density
- ClinicalTrials.gov ID
- NCT00291278
- Acronym / sponsor ID
- 060091
- Conditions
- Endometriosis
- Keywords
- Endometriosis, Bone Mineral Density, Osteopenia, Osteoporosis, DEXA Scan, Menopause, Screening, Healthy Volunteer
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 80 participants
- Lead sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)US National Institutes of Health
- Study start
- 7 Feb 2006
- Study completion
- 10 Feb 2009
- First posted
- 13 Feb 2006 (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.
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.
Detailed description
After peaking in the third decade, bone mineral density (BMD) decreases slowly over time, with a more dramatic short-term decline at the time of menopause. Because of the association with osteoporosis and fracture, evaluation of BMD at the time of menopause is recommended, as is identification and treatment of any reversible causes of bone mineral loss. Most studies of women with endometriosis have shown no change or decreased BMD, while rats with induced endometriosis had a marked decrease in BMD. Often, studies in women did not control for factors that are known to affect bone density such as body mass index (BMI), exercise, or calcium intake. To address the question of whether endometriosis is associated with a change in BMD, we previously matched healthy volunteers and endometriosis patients for age, race, BMI, exercise level and calcium intake and compared BMD in the two groups. We found a decrease in BMD in women aged 40 - 50 who had a history of endometriosis, in comparison to women who did not have such a history. This study will expand that experience by studying more women aged 40 - 50 years with a history of endometriosis and matching them to women of the same race with similar age and BMI, who do not have a history of endometriosis. Participants will fill out a questionnaire about their medical, exercise and dietary history and will provide a single blood sample. A bone density study will be done and results will be made available to the participants.
Study design
Who may qualify
- Ages
- 40 to 50 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
Key inclusion criteria (4 listed)
- OR
- Women will be matched by ethnicity, by BMI within 5 kg/M(2), and by age (at the time of DEXA) in two groups: 40 - 45 years and 45 - 50 years.
Key exclusion criteria (2 listed)
- Women who are pregnant or lactating or who have abnormalities in the medical history or screening laboratory tests that might contribute to abnormal BMD (e.g. hypercalcemia, renal failure) will not be enrolled
- We will not include women who currently or have previously taken medications known to affect bone mineral density (e.g. thyroid hormone suppression, supraphysiologic glucocorticoids, GnRH, dilantin) or those that suggest menstrual abnormalities (fertility drugs), but we will consider other prescription drug use on a case-by-case basis.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
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 2 Jul 2017.
- Background: PubMed 11228482Hearns-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. doi: 10.1067/mob.2001.110025.
- Background: PubMed 10221617Lopez-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. doi: 10.1016/s0301-2115(98)00304-2.
- Background: PubMed 2778037Comite 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. doi: 10.1210/jcem-69-4-837.
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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.
The record lists no contact. Use the official record to reach the sponsor.
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 Endometriosis, run by Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) at 1 site in United States.
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 4 inclusion and 2 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 2 Jul 2017. 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 United States. 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?
On the ClinicalTrials.gov record for NCT00291278, which also lists 3 linked publications.
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 2 Jul 2017.