A Trial of Early Detection of Molecular Relapse With Circulating Tumour DNA Tracking and Treatment With Palbociclib Plus Fulvestrant Versus Standard Endocrine Therapy in Patients With ER Positive HER2 Negative Breast Cancer
A Randomised Trial of Early Detection of Molecular Relapse With Circulating Tumour DNA Tracking and Treatment With Palbociclib Plus Fulvestrant Versus Standard Endocrine Therapy in Patients With ER Positive HER2 Negative Breast Cancer
Royal Marsden NHS Foundation Trust
1,100 participants
Mar 30, 2022
INTERVENTIONAL
Conditions
Summary
Detection of molecular relapse with circulating tumour DNA analysis can identify which patients with ER positive breast cancer are relapsing on adjuvant endocrine therapy. This trial will aim to demonstrate that palbociclib and fulvestrant, can defer or prevent relapse in patients with ctDNA detected molecular relapse. The TRAK-ER trial will have two phases, a ctDNA surveillance phase and a randomised therapy trial in patients with positive ctDNA. The TRAK-ER trial will establish a ctDNA screening programme for patients with ER positive breast cancer receiving adjuvant endocrine therapy with at least a further three years of standard adjuvant endocrine therapy planned. Patients recruited into the TRAK-ER study will have high-risk clinical features to identify patients at higher risk of future relapse. ctDNA assays will be used to identify which people are at very high risk of relapse (i.e. those with a positive ctDNA result), and randomise this high risk population between standard endocrine therapy versus palbociclib plus fulvestrant for up to two years.
Eligibility
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Interventions
Palbociclib Tablets, 125 mg orally once daily, beginning on Cycle 1, on Days 1-21 of each 28-day cycle.
Fulvestrant Intramuscular injections, 500 mg as two injection of 250mg fulvestrant in 5ml solution at each visit. No fulvestrant dose reductions are permitted. Administered on days 1, 15 (plus or minus 3 days), 29 (plus or minus 3 days), and every 28 (plus or minus 3 days) days thereafter.
As per clinical guidelines
As per clinical guidelines
As per clinical guidelines
As per clinical guidelines
Locations(49)
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NCT04985266