Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Estrogen Modulation of Mood and Cognition Following Monoaminergic Depletion in Post-Menopausal Women

The recruitment status of this study is unknown. The completion date has passed and the status has not been verified in more than two years.
Verified December 2003 by National Center for Research Resources (NCRR).
Recruitment status was:  Recruiting
Information provided by:
National Center for Research Resources (NCRR) Identifier:
First received: June 1, 2000
Last updated: June 23, 2005
Last verified: December 2003
This study will examine whether estrogen administration in postmenopausal women can alter the response to changes in brain chemistry brought about by dietary manipulation. Women who are recently menopausal (50-60 yrs. of age) and over 20 years postmenopausal (>70 yrs. of age) will take estrogen or placebo for three months. At the end of that time they will participate in three challenges using dietary techniques to briefly change the relative amounts of neurotransmitters in the brain that are believed to be related to mood regulation (serotonin, dopamine, and norepinephrine). Previous research has shown that these dietary manipulations can briefly produce negative changes in mood. The investigator hypothesizes that estrogen administration will blunt or buffer these negative effects in a quantifiable way. The investigator believes that this will provide a direct test of the ability of estrogen to meaningfully change the brain chemistry of mood in a clinically measurable and positive way. The proposed procedure will also allow assessment of the effects of estrogen on brain neurotransmitter systems after many years of very low estrogen levels.

Condition Intervention Phase
Drug: Estrogen
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Masking: Double-Blind
Primary Purpose: Treatment

Resource links provided by NLM:

Further study details as provided by National Center for Research Resources (NCRR):


Ages Eligible for Study:   50 Years and older   (Adult, Senior)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Postmenopausal
  • Non-smoker
  • BMI <30
  • Healthy
  • Without surgically-induced menopause
  • Not on HRT or >1 year post HRT
  • Normal mammogram within last year
  • No cardiovascular disease other than mild hypertension
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00005768

Contact: Julie Dumas 1-802-847-2523

United States, Vermont
University of Vermont Recruiting
Burlington, Vermont, United States, 05401
Contact: Julie Dumas    802-847-2523      
Principal Investigator: Paul Newhouse, M.D.         
Sponsors and Collaborators
National Center for Research Resources (NCRR)
  More Information Identifier: NCT00005768     History of Changes
Other Study ID Numbers: NCRR-M01RR00109-0741
M01RR000109 ( US NIH Grant/Contract Award Number )
Study First Received: June 1, 2000
Last Updated: June 23, 2005

Additional relevant MeSH terms:
Hormones, Hormone Substitutes, and Hormone Antagonists
Physiological Effects of Drugs processed this record on April 24, 2017