NCT01482416

Brief Summary

The aim of this study is to evaluate the vascular effects of estrogens on climacteric women measured by flow-mediated evaluation of the brachial artery using high resolution ultrasound and compare to placebo.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Nov 2011

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2011

Completed
26 days until next milestone

First Submitted

Initial submission to the registry

November 27, 2011

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 30, 2011

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2014

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2014

Completed
Last Updated

August 15, 2014

Status Verified

August 1, 2014

Enrollment Period

2.8 years

First QC Date

November 27, 2011

Last Update Submit

August 13, 2014

Conditions

Keywords

hormone replacement therapyDoppler velocimetryFlow-mediated dilationmenopause

Outcome Measures

Primary Outcomes (1)

  • Flow-mediated dilation of the brachial artery

    Flow-mediated dilation will be measured by high resolution ultrasound

    one month after treatment started

Study Arms (2)

Estrogen use

EXPERIMENTAL

climacteric women will use conjugated equine estrogens

Drug: Estrogens, Conjugated (USP)

use of Placebo

PLACEBO COMPARATOR

climacteric women will use placebo

Drug: Placebo

Interventions

Experimental group will use 0.625mg/day during 30 days

Also known as: Premarin
Estrogen use

Placebo group will use placebo once/day during 30 days

use of Placebo

Eligibility Criteria

Age45 Years - 65 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Women without menstrual cycles within the last 12 months and FSH \> 30IU/L
  • Healthy women
  • Women that were not using drugs with potential vascular effect within the last 1 year
  • Women that never used hormone replacement therapy

You may not qualify if:

  • Smoking
  • Blood Pressure \> 160/90 mm Hg.
  • Breast and or endometrial cancer
  • History of acute myocardial infarction
  • Diabetes
  • Vaginal bleeding of any origin
  • Hepatic disease
  • Thrombophlebitis or thromboembolic disorders

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital das Clinicas - Universidade Federal de Minas Gerais

Belo Horizonte, Minas Gerais, 30130100, Brazil

Location

Related Publications (2)

  • Faria AF, de Souza MA, Geber S. Vascular resistance of central retinal artery is reduced in postmenopausal women after use of estrogen. Menopause. 2011 Aug;18(8):869-72. doi: 10.1097/gme.0b013e31820cc60c.

    PMID: 21471823BACKGROUND
  • Hurtado R, Celani M, Geber S. Effect of short-term estrogen therapy on endothelial function: a double-blinded, randomized, controlled trial. Climacteric. 2016 Oct;19(5):448-51. doi: 10.1080/13697137.2016.1201809. Epub 2016 Jul 16.

MeSH Terms

Interventions

Estrogens, Conjugated (USP)

Intervention Hierarchy (Ancestors)

Estradiol CongenersGonadal Steroid HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Study Officials

  • Selmo Geber, MD PhD

    Medical School of Universidade Federal de Minas Gerais

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

November 27, 2011

First Posted

November 30, 2011

Study Start

November 1, 2011

Primary Completion

August 1, 2014

Study Completion

August 1, 2014

Last Updated

August 15, 2014

Record last verified: 2014-08

Locations