NCT04389424

Brief Summary

The protocol involves measurement of 25 hidroxy vitamin D, gene expression of cytochrome and vitamin D receptor , endoxifen, tamoxifen, exemestane, and other metobolites related to nutrition and endocrine metabolism.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
300

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Sep 2017

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

September 1, 2017

Completed
2.7 years until next milestone

First Submitted

Initial submission to the registry

May 7, 2020

Completed
8 days until next milestone

First Posted

Study publicly available on registry

May 15, 2020

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 15, 2020

Completed
1.7 years until next milestone

Study Completion

Last participant's last visit for all outcomes

January 30, 2022

Completed
Last Updated

May 15, 2020

Status Verified

May 1, 2020

Enrollment Period

2.7 years

First QC Date

May 7, 2020

Last Update Submit

May 11, 2020

Conditions

Keywords

Vitamin DAdverseCytochrome p450VDRNutrientsGene ExpressionTamoxifenAnastrozoleExemestane

Outcome Measures

Primary Outcomes (2)

  • Hidroxy Vitamin D Concentration

    Plasma levels of Hidroxy Vitamin D

    One time after minimum 3 months of tamoxifen, anastrozole or exemestane treatment (endocrine therapy)

  • Body Composition

    Body composition (bioimpedance)

    One time at enroll with at least 3 months of endocrine therapy

Secondary Outcomes (4)

  • Tamoxifen plasma levels

    One time. After minimum 3 months of tamoxifen treatment

  • Anastrozole

    One time. After minimum 3 months of anastrozole treatment

  • Exemestane

    One time. After minimum 3 months of exemestane treatment

  • Recurrence

    One time. In recurrence after at least 3 months with endocrine therapy

Other Outcomes (1)

  • Food consumption recall 24 hours (ASA 24)

    At enroll

Study Arms (5)

Anastrozole

Breast cancer women with anastrozole treatment

Drug: Anastrozole

Tamoxifen

Breast cancer women with tamoxifen treatment

Drug: Tamoxifen

Exemestane

Breast cancer women with exemestane treatment

Drug: Exemestane

Basal

Breast cancer women luminal type without any endocrine treatment (at initial diagnosis)

Diagnostic Test: Basal

Recurrence

Breast cancer women luminal type with recurrence of disease during endocrine therapy

Drug: TamoxifenDrug: AnastrozoleDiagnostic Test: Recurrence

Interventions

Use of tamoxifen for breast cancer recurrence prevention

RecurrenceTamoxifen

Use of exemestane for breast cancer recurrence prevention

Exemestane

Use of anastrozole for breast cancer recurrence prevention

AnastrozoleRecurrence
BasalDIAGNOSTIC_TEST

Initial diagnosis of breast cacner by biopsy or mastectomy

Also known as: Breast cancer initial diagnosis
Basal
RecurrenceDIAGNOSTIC_TEST

Breast cancer recurrence under endocrine therapy

Also known as: Breast cancer recurrence under endoctine therapy
Recurrence

Eligibility Criteria

Age18 Years - 98 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Mexican breast cancer woman

You may qualify if:

  • Breast cancer women under endocrine therapy or recurrence of disease after endocrine therapy
  • Signed consent

You may not qualify if:

  • Mental retardation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Instituto Jalisciense de Cancerologia

Guadalajara, Jalisco, 45180, Mexico

RECRUITING

Related Links

Biospecimen

Retention: SAMPLES WITH DNA

Blood samples to obtain serum and DNA

MeSH Terms

Conditions

Breast NeoplasmsVitamin D DeficiencyNutrition DisordersObesity

Interventions

TamoxifenexemestaneAnastrozole

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue DiseasesAvitaminosisDeficiency DiseasesMalnutritionNutritional and Metabolic DiseasesOverweightOvernutritionBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

StilbenesBenzylidene CompoundsBenzene DerivativesHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsNitrilesTriazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Central Study Contacts

JOSE ALFONSO CRUZ RAMOS, MD

CONTACT

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 7, 2020

First Posted

May 15, 2020

Study Start

September 1, 2017

Primary Completion

May 15, 2020

Study Completion

January 30, 2022

Last Updated

May 15, 2020

Record last verified: 2020-05

Locations