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TOPAZ: Tucatinib in COmbination With Pembrolizumab And TrastuZumab in Patients With HER2-Positive Breast Cancer Brain Metastases

NCT04512261 · Status: WITHDRAWN · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL

Last updated 2022-07-01

No results posted yet for this study

Summary

This is a single arm, open label trial to assess the safety and efficacy of tucatinib in combination with pembrolizumab and trastuzumab for the treatment of HER2+ breast cancer brain metastases (BCBM). A total of 33 patients with untreated or previously treated and progressing HER2+ BCBM not requiring urgent central nervous system (CNS)-directed therapy will be enrolled. The study will determine the recommended dose of tucatinib in this combination and assess the efficacy of this combination in controlling CNS disease in patients with HER2+ BCBM.

Conditions

Interventions

DRUG

Tucatinib

Initial dosage of trial treatment for tucatinib will be given as 300 mg (dispensed as 2 x 150 mg tablets) orally twice a day for Days 1 - 21 of each 3-week cycle during the treatment period.

DRUG

Pembrolizumab

Initial dosage of trial treatment for pembrolizumab will be given as 200 mg by intravenous infusion every 3 weeks on Day 1 of each 3-week cycle during the treatment period. Pembrolizumab will be administered for a maximum of 35 doses.

DRUG

Trastuzumab

Initial dosage of trial treatment for trastuzumab will be given as 8 mg/kg by intravenous (IV) infusion once on Day 1 of Cycle 1, and 6 mg/kg by IV every 3 weeks on Day 1 of each 3-week cycle starting on Cycle 2 during the treatment period.

Sponsors & Collaborators

Principal Investigators

  • Reva Basho, MD · Cedars-Sinai Medical Center

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2022-06-01
Primary Completion
2024-06-01
Completion
2024-06-01
FDA Drug
Yes

Countries

  • United States

Study Locations

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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 NCT04512261 on ClinicalTrials.gov