Phase II Study of AS1402 Combined With Letrozole to Treat Breast Cancer
A Phase II, Randomised, Open-Label, Multicentre Study of AS1402 in Combination With Letrozole as First Line Treatment in Postmenopausal Women With Locally Advanced or Metastatic Breast Cancer
1 other identifier
interventional
110
1 country
2
Brief Summary
The aim of this study is to compare the overall tumour response rate per RECIST in postmenopausal women with metastatic or locally advanced breast cancer receiving AS1402 in combination with letrozole compared to letrozole alone
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Sep 2008
Typical duration for phase_2
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2008
CompletedFirst Submitted
Initial submission to the registry
October 9, 2008
CompletedFirst Posted
Study publicly available on registry
October 10, 2008
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2010
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2011
CompletedAugust 10, 2009
August 1, 2009
1.9 years
October 9, 2008
August 7, 2009
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The primary efficacy endpoint is overall response rate (ORR)
Radiological evaluations are performed every 12 weeks up to progression
Secondary Outcomes (5)
Progression-free survival (PFS)
Radiological evaluations are performed every 12 weeks up to progression
Time to progression (TTP)
Radiological evaluations are performed every 12 weeks up to progression
Duration of overall response and duration of stable disease
Radiological evaluations are performed every 12 weeks up to progression
Clinical benefit rate (CBR)
Radiological evaluations are performed every 12 weeks up to progression
Safety and tolerability of AS1402 when combined with letrozole
Radiological evaluations are performed every 12 weeks up to progression
Study Arms (2)
1
EXPERIMENTALAS1402 plus letrozole
2
ACTIVE COMPARATORLetrozole
Interventions
A complete treatment cycle spans 28 days. Patients randomised to AS1402 will receive a 1-hour infusion of 9 mg/kg on day 1, 8, 15 and 22 of each cycle. Patients will receive letrozole (2.5 mg daily tablet).
Eligibility Criteria
You may qualify if:
- Histologically or cytologically confirmed locally advanced or metastatic breast cancer not amenable to curative therapy
- Measurable disease according to the RECIST criteria
- Documented estrogen receptor-positive and/or progesterone receptor-positive tumour
- Postmenopausal women
You may not qualify if:
- Prior chemotherapy and/or endocrine therapy for advanced breast disease
- Relapse within 12 months after treatment discontinuation of an aromatase inhibitor in the adjuvant setting
- Unknown hormonal receptor status
- Known HER2/neu-positivity
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
State Medical Institution
Pyatigorsk, Stavropol Kray, 357500, Russia
State Therapeutical and Prophylactic Institution: Chelyabinsk Regional Oncological Center
Chelyabinsk, 454087, Russia
Related Publications (2)
Gorodetska I, Samusieva A, Lahuta T, Ponomarova O, Socha O, Kozeretska I. Exploring New Frontiers: Alternative Breast Cancer Treatments Through Glycocalyx Research. Breast J. 2025 May 22;2025:9952727. doi: 10.1155/tbj/9952727. eCollection 2025.
PMID: 40443562DERIVEDIbrahim NK, Yariz KO, Bondarenko I, Manikhas A, Semiglazov V, Alyasova A, Komisarenko V, Shparyk Y, Murray JL, Jones D, Senderovich S, Chau A, Erlandsson F, Acton G, Pegram M. Randomized phase II trial of letrozole plus anti-MUC1 antibody AS1402 in hormone receptor-positive locally advanced or metastatic breast cancer. Clin Cancer Res. 2011 Nov 1;17(21):6822-30. doi: 10.1158/1078-0432.CCR-11-1151. Epub 2011 Aug 30.
PMID: 21878535DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Gary Acton, MA MBBS MRCP
Antisoma Research
- PRINCIPAL INVESTIGATOR
Nuhad K Ibrahim, MD FACP
M.D. Anderson Cancer Center
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
Study Record Dates
First Submitted
October 9, 2008
First Posted
October 10, 2008
Study Start
September 1, 2008
Primary Completion
August 1, 2010
Study Completion
August 1, 2011
Last Updated
August 10, 2009
Record last verified: 2009-08