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THOR Study: A Study of Continued Herceptin (Trastuzumab) in Combination With Second Line Chemotherapy in Patients With HER2 Positive Metastatic Breast Cancer.

NCT00448279 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 58

Last updated 2014-10-24

Study results available
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Summary

This 2 arm study will compare the efficacy and safety of continuation or discontinuation of Herceptin treatment in combination with 2nd line chemotherapy, in patients with HER2 positive metastatic breast cancer whose condition has progressed on 1st line chemotherapy plus Herceptin. Patients will be randomized either to continue or discontinue Herceptin treatment (2mg/kg iv infusion weekly, or 6mg/kg iv infusion every 3 weeks) while receiving 2nd line chemotherapy of the investigator's choice. The anticipated time on study treatment is until disease progression, and the target sample size is 100-500 individuals.

Conditions

Interventions

DRUG

trastuzumab

2mg/kg i.v. weekly, or 6mg/kg i.v. every 3 weeks

DRUG

Chemotherapy

Schedule and dose at the investigator's discretion

Sponsors & Collaborators

Principal Investigators

  • Clinical Trials · Hoffmann-La Roche

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2007-04-30
Primary Completion
2010-09-30
Completion
2010-09-30

Countries

  • Italy

Study Locations

More Related Trials

Entities

Drugs
Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00448279 on ClinicalTrials.gov