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Trial · NCT01923298

Estradiol Levels in Patients Treated With Estring

NCT01923298, Phase 2, Completed, University of Arizona; results first posted 2022-02-04

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. Estradiol Levels in Patients Treated With Estring. Trials, record NCT01923298. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT01923298

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
Estradiol Levels in Patients Treated With Estring
NCT number
NCT01923298
Status
Completed
Phases
Phase 2
Enrollment
14 participants, actual
Lead sponsor
University of Arizona
Conditions
Estrogen Levels Among Breast Cancer Patients
Interventions
Estradiol
First posted
2013-08-15
Last updated
2022-02-10
Results first posted
2022-02-04

Source ClinicalTrials.gov

Registered outcomes1

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryChanges in Serum EstradiolBaseline, 16 weeksTo measure changes in serum estradiol level compared to their baseline in patients with breast cancer when treated with vaginal estrogen preparation, Estring

Outcomes1

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

TypeOutcomeTime framePopulationUnitsMeasured as
PRIMARYChanges in Serum EstradiolBaseline, 16 weeks
Eligible patients were 18 years or older, diagnosed with HR-positive breast cancer defined as \> 1% of tumor cells expressing estrogen or progesterone receptors, attained menopause as defined by the World Health Organization, and on adjuvant hormonal therapy with an aromatase inhibitor- anastrozole, letrozole, or exemestane. Patients with metastatic disease were excluded.
pg/mLMEDIAN

Results by group1

Each measurement the trial posted, group by group, in the words and numbers it posted.

OutcomeGroupCategoryValueSpreadUnits
Changes in Serum EstradiolEstring Group3.9Full Range 1.1 to 8.9pg/mL

Participant flow3

How many started, completed or left each group, period by period.

PeriodMilestoneGroupParticipantsUnits counted
Overall StudySTARTEDEstradiol14
Overall StudyCOMPLETEDEstradiol14
Overall StudyNOT COMPLETEDEstradiol0

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals3

The totals the trial posted for each group.

TotalGroupAffectedAt risk
Total, all-cause mortalityEstradiol00
Total, other adverse eventsEstradiol00
Total, serious adverse eventsEstradiol00

Papers1

The papers the trial lists on ClinicalTrials.gov.

PMIDListed as
32328775RESULT

Source PubMed

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT01923298

GET https://conductscience.org/api/trials/v1/NCT01923298/registered