Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional

Letrozole, Herceptin in Her2neu +, Estrogen Receptor [ER] and/or Progesterone Receptor [PR] Positive, MBC

ClinicalTrials.gov ID: NCT00134680

Public ClinicalTrials.gov record NCT00134680. 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 May 6, 2026, 8:23 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

Phase II Trial of the Combination of Letrozole 2.5 mg Daily and Trastuzumab 2 mg/kg Weekly in ErbB2 Positive and Estrogen Receptor and/or Progesterone Receptor Positive Metastatic Breast Cancer

Study identification

NCT ID
NCT00134680
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Duke University
Other
Enrollment
33 participants

Conditions and interventions

Interventions

  • Letrozole Drug
  • Trastuzumab 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
Dec 31, 1999
Primary completion
Dec 31, 2004
Completion
Jun 30, 2005
Last update posted
Sep 15, 2014

2000 – 2005

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
Lombardi Cancer Institute, Georgetown University Medical Center Washington D.C. District of Columbia 20007
Dana Farber Cancer Institute Boston Massachusetts 02115
Siteman Cancer Center, Washington University St Louis Missouri 63110
Duke University Medical Center Durham North Carolina 27710

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 NCT00134680, 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 Sep 15, 2014 · Synced May 6, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00134680 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →