CI

At a glance

ClinicalIndex Comparison Record
Phase 2Recruiting· 100 target
Drug / intervention
Pembrolizumab (200mg IV for 30 minutes +2 moredrug
Likely dose
Pembrolizumab (200mg IV for 30 minutesfrom record
Key inclusion· 5
  • Post-menopausal female ≥18 years old
  • ECOG performance status 0-1
  • ER+/HER2- breast cancer confirmed by biopsy
  • Clinical stage I-III breast cancer per AJCC 8th edition
Key exclusion· 18
  • Active connective tissue disorders requiring flare therapy (e.g., lupus, scleroderma)
  • Current systemic chemotherapy, endocrine therapy, or HER2-targeted therapy
  • Post-surgical excision of breast cancer already performed
  • Prior radiotherapy to the same breast

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03804944
NCT03804944Phase 2RecruitingOn TrackUpdated 5mo ago
Long Recruiting

Converting HR+ Breast Cancer Into an Individualized Vaccine

Weill Medical College of Cornell University·interventional·Posted Jan 15, 2019·Updated Jan 28, 2026

In Brief

A Phase 2 clinical trial evaluating Focal Radiation therapy, Pembrolizumab (200mg IV for 30 minutes, and 1 other intervention for Breast Cancer. Currently recruiting, targeting 100 participants across 8 sites.

Detailed Summary

Newly diagnosed post-menopausal women with clinical stage II-III, HR+HER2- breast cancer are eligible to a randomized trial, concurrently open at five US academic institutions. Patients receiving 4 months of standard neoadjuvant hormonal therapy with letrozole are randomly assigned to one of 4 arms of a trial testing focal hypo-fractionated RT alone or with immunotherapy combinations.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsBreast Cancer
CountriesUnited States

Timeline

Phase 2Recruiting
2019202020212022202320242025202620272028
First PostedJan 15, 2019
Enrollment StartMar 17, 2020
Primary CompletionDec 31, 2026
Study CompletionDec 31, 2027
TodayJul 2, 2026
Enrollment to primary: 6.8 yearsPosted 7.5 years agoPrimary completion in 6 months

Interventions

Focal Radiation therapyradiation

Focal hypo-fractionated radiation therapy 8 Gy x 3 fractions, starting day 8, every other day (M/W/F or W/F/M or F/M/W).

Pembrolizumab (200mg IV for 30 minutesdrug

Pembrolizumab, on day 12 (last day of radiotherapy), infused over 200mg IV over 30 minutes and then repeated every 3 weeks until disease progression or unacceptable toxicity.

CDX-301biological

Ftl-3 ligand, self-administered by subcutaneous injections at week 1, daily, for 5 consecutive days.