Evidence map›Paper›PMID 24622517›Full record

Trial reportPloS one2014

Prospective randomized trial to assess effects of continuing hormone therapy on cerebral function in postmenopausal women at risk for dementia.

Natalie L Rasgon, Cheri L Geist, Heather A Kenna, Tonita E Wroolie, Katherine E Williams, Daniel H S Silverman

Registry-linked trialOpen access · goldAbstract readRandomized Controlled Trial
In one paragraph

Trial report in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00097058 (Estrogen Use in Protection From Cognitive Decline), which is not on this map. Cited by 46 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 4 pooled it
4.9field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00097058 completednot on this map

Estrogen Use in Protection From Cognitive Decline

TypeobservationalSponsorStanford UniversityRan2003 to 2014Enrolled71ConditionsAging, Menopause
3 · Its place in the literature

Who cites it

46 citing papers in PubMed, 4 syntheses or guidelines pooled it, 76 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Long-term hormone therapy for perimenopausal and postmenopausal women.The Cochrane database of systematic reviews · 2017
    Pooled it
  5. Trial
  6. Trial
  7. Trial
  8. Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Review
  14. Article
  15. Sex as a Determinant of Age-Related Changes in the Brain.International journal of molecular sciences · 2024
    Review
  16. Article
  17. Review
  18. Article
  19. Review
  20. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Natalie L RasgonStanford Center for Neuroscience in Women's Health, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, United States of America.
Cheri L GeistUCLA David Geffen School of Medicine, Department of Molecular and Medical Pharmacology, Ahmanson Translational Imaging Division, University of California Los Angeles School of Medicine, Los Angeles, California, United States of America.
Heather A KennaStanford Center for Neuroscience in Women's Health, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, United States of America.
Tonita E WroolieStanford Center for Neuroscience in Women's Health, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, United States of America.
Katherine E WilliamsStanford Center for Neuroscience in Women's Health, Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California, United States of America.
Daniel H S SilvermanUCLA David Geffen School of Medicine, Department of Molecular and Medical Pharmacology, Ahmanson Translational Imaging Division, University of California Los Angeles School of Medicine, Los Angeles, California, United States of America.
Stanford University · USUniversity of California, Los Angeles · US

Funding

XOLAIR IN SUBJECTS WITH MODERATE TO SEVERE ATOPIC DERMATITIS WITH FOOD ALLERGYM01RR000070 · NCRR · STANFORD UNIVERSITY · PI RASGON, NATALIE L · 1985 to 2008
$32.4M
Estrogen Use in Protection from Cognitive DeclineR01AG022008 · NIA · STANFORD UNIVERSITY · PI RASGON, NATALIE L · 2003 to 2010
$2.5M
NCRR NIH HHS M01 RR000070NCRR NIH HHS M01 RR00070NIA NIH HHS R01 AG022008NIA NIH HHS R01 AG22008
6 · The paper itself

Abstract

unlabelledThe objective of this study was to examine the effects of estrogen-based hormone therapy (HT) on regional cerebral metabolism in postmenopausal women (mean age = 58, SD = 5) at risk for development of dementia. The prospective clinical trial design included pre- and post-intervention neuroimaging of women randomized to continue (HT+) or discontinue (HT-) therapy following an average of 10 years of use. The primary outcome measure was change in brain metabolism during the subsequent two years, as assessed with fluorodeoxyglucose-18 positron emission tomography (FDG-PET). Longitudinal FDG-PET data were available for 45 study completers. Results showed that women randomized to continue HT experienced relative preservation of frontal and parietal cortical metabolism, compared with women randomized to discontinue HT. Women who discontinued 17-β estradiol (17βE)-based HT, as well as women who continued conjugated equine estrogen (CEE)-based HT, exhibited significant decline in metabolism of the precuneus/posterior cingulate cortical (PCC) area. Significant decline in PCC metabolism was additionally seen in women taking concurrent progestins (with either 17βE or CEE). Together, these findings suggest that among postmenopausal subjects at risk for developing dementia, regional cerebral cortical metabolism is relatively preserved for at least two years in women randomized to continue HT, compared with women randomized to discontinue HT. In addition, continuing unopposed 17βE therapy is associated specifically with preservation of metabolism in PCC, known to undergo the most significant decline in the earliest stages of Alzheimer's disease.

trial registrationClinicalTrials.gov NCT00097058.

Indexed as

Estrogen Replacement TherapyAgedBrainDementiaFemaleFluorodeoxyglucose F18HumansMiddle AgedPositron-Emission TomographyPostmenopauseProgestinsProspective StudiesRiskTime FactorsFluorodeoxyglucose F18Progestins

Identifiers

PMID24622517
PMCPMC3951184
OpenAlexW1976892327

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.