Study Summary
This trial tests a combination of two drugs to see if they're better than one drug at preventing breast cancer from coming back in patients with high risk, HER2 positive breast cancer.
- HER2-positive Breast Cancer
- Stage II Breast Cancer
- Stage IA Breast Cancer
- Stage IIA Breast Cancer
- Stage III Breast Cancer
- Stage 2 Breast Cancer
- Stage IB Breast Cancer
- Stage IIIB Breast Cancer
- Stage IIIA Breast Cancer
- Stage 1 Breast Cancer
- Stage IIB Breast Cancer
- Breast Cancer
- Bilateral Breast Cancer
- Multifocal Breast Cancer
Video Summary
Treatment Effectiveness
Effectiveness Progress
Study Objectives
1 Primary · 6 Secondary · Reporting Duration: Up to 10 years
Trial Safety
Safety Progress
Trial Design
2 Treatment Groups
Arm I (trastuzumab emtansine, placebo)
1 of 2
Arm II (trastuzumab emtansine, tucatinib)
1 of 2
Active Control
Experimental Treatment
1031 Total Participants · 2 Treatment Groups
Primary Treatment: Tucatinib · Has Placebo Group · Phase 3
Trial Logistics
Trial Timeline
Who is running the clinical trial?
Eligibility Criteria
Age 18+ · All Participants · 31 Total Inclusion Criteria
Mark “Yes” if the following statements are true for you:Who else is applying?
What state do they live in?
Illinois | 50.0% |
Georgia | 50.0% |
How old are they?
18 - 65 | 100.0% |
What site did they apply to?
Ingalls Memorial Hospital | 100.0% |
What portion of applicants met pre-screening criteria?
Did not meet criteria | 100.0% |
Why did patients apply to this trial?
- "I would like to help where I can, and I feel that these studies can make a difference"
How many prior treatments have patients received?
0 | 100.0% |
- O'Sullivan, Ciara C, Karla V Ballman, Linda McCall, Anuhya Kommalapati, Tyler Zemla, Anna Weiss, Melissa Mitchell, et al.. 2021. “Alliance A011801 (compassher2 RD): Postneoadjuvant T-DM1 + Tucatinib/placebo in Patients with Residual Her2-positive Invasive Breast Cancer”. Future Oncology. Future Medicine Ltd. doi:10.2217/fon-2021-0753.
- O'Sullivan, Ciara C, Karla V Ballman, Linda McCall, Anuhya Kommalapati, Tyler Zemla, Anna Weiss, Melissa Mitchell, et al.. 2021. “Alliance A011801 (compassher2 RD): Postneoadjuvant T-DM1 + Tucatinib/placebo in Patients with Residual Her2-positive Invasive Breast Cancer”. Future Oncology. Future Medicine Ltd. doi:10.2217/fon-2021-0753.
- 2021. "T-DM1 and Tucatinib Compared With T-DM1 Alone in Preventing Relapses in People With High Risk HER2-Positive Breast Cancer, the CompassHER2 RD Trial". ClinicalTrials.gov. https://clinicaltrials.gov/ct2/show/NCT04457596.
Frequently Asked Questions
Is there a high degree of risk when patients take Tucatinib?
"Tucatinib's safety is based on data from past Phase 3 trials, meaning that there is some evidence of the medication's efficacy and that it has undergone several rounds of testing for safety." - Anonymous Online Contributor
Are there other drugs similar to Tucatinib that have been studied before?
"Tucatinib was first researched in 2008 at A.O. Universitaria Pisana; Oncologia. Now, 284 studies have been completed with 60 more actively recruiting. A majority of these active studies are based in Mineola, New York." - Anonymous Online Contributor
Is this medical trial novel in any way?
"Tucatinib has a long history, with the very first clinical trials being conducted in 2008. Genentech, Inc. sponsored the initial study. Tucatinib received Phase 2 drug approval after the first study, which observed 720 patients. As of now, there are 60 active studies being conducted in 57 countries and 1549 cities." - Anonymous Online Contributor
How is Tucatinib most often employed in medical care?
"Tucatinib is most often associated with its ability to treat breast cancer, however, it can also be used as a last-line of defence against metastasis in patients that have already received anti-her2 treatments." - Anonymous Online Contributor
Are there any spots left in this research program for new participants?
"That is correct, the online information indicates that the study is currently looking for 1031 participants from 100 different locations. The original posting was on January 6th, 2021 with the most recent update being February 16th, 2022." - Anonymous Online Contributor
How many individuals are being trialed with this medication?
"The pharmaceutical company sponsoring this trial, Seagen Inc., needs 1031 eligible patients to participate. Seagen will be administering the trial from several hospitals, including NYU Winthrop Hospital in Mineola, New York and Armes Family Cancer Center in Findlay, Ohio." - Anonymous Online Contributor
In how many different places is this trial being run today?
"There are 4 primary locations for this trial: NYU Winthrop Hospital (Mineola, New York), Armes Family Cancer Center (Findlay, Ohio), UCHealth Highlands Ranch Hospital (Highlands Ranch, Colorado), and 100 other sites." - Anonymous Online Contributor