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Completed Phase 1 Interventional Results available

BYL719 Plus Letrozole or Exemestane for Patients With Hormone-Receptor Positive Locally-Advanced Unresectable or Metastatic Breast Cancer

ClinicalTrials.gov ID: NCT01870505

Public ClinicalTrials.gov record NCT01870505. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 11:21 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase I Trial of BYL719 Plus Letrozole or Exemestane for Patients With Hormone-Receptor Positive Locally-Advanced Unresectable or Metastatic Breast Cancer

Study identification

NCT ID
NCT01870505
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Enrollment
52 participants

Conditions and interventions

Interventions

  • BYL719 Drug
  • Letrozole Drug
  • Exemestane Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
Female
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 30, 2013
Primary completion
Feb 27, 2022
Completion
Feb 27, 2022
Last update posted
Dec 8, 2024

2013 – 2022

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Memorial Sloan Kettering Cancer Center New York New York 10065

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01870505, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Dec 8, 2024 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01870505 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →