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NCT04524000

PHASE2

Study Assessing the Efficacy and Safety of Treatment With Alpelisib Plus Fulvestrant in Japanese Men and Postmenopausal Women With Advanced Breast Cancer

Sponsor: Novartis Pharmaceuticals

View on ClinicalTrials.gov

Summary

The purpose of this study is to assess the safety and efficacy of alpelisib plus fulvestrant in men and postmenopausal women with hormone receptor (HR) positive, human epidermal growth factor 2 (HER2)-negative, advanced breast cancer harboring a PIK3CA mutation in Japan, whose disease has progressed on or after aromatase inhibitor (AI) treatment regardless of prior CDK4/6 inhibitor use.

Official title: A Phase II Open-label, 2-Part, Multi-center Study of BYL719 (Alpelisib) in Combination With Fulvestrant for Men and Postmenopausal Women With PIK3CA Mutation Hormone Receptor (HR) Positive, HER2-negative, Advanced Breast Cancer Which Progressed on or After Aromatase Inhibitor (AI) Treatment in Japan

Key Details

Gender

All

Age Range

18 Years - 100 Years

Study Type

INTERVENTIONAL

Enrollment

Start Date

2021-01-08

Completion Date

2027-02-27

Last Updated

2026-04-08

Healthy Volunteers

Conditions

Advanced Breast Cancer

Interventions

DRUG

Alpelisib

\[Part 1\] Alpelisib administered at 200 mg (DL 1), 250 mg (DL 2) or 300mg (DL 3) orally once daily on a continuous dosing schedule starting on Cycle 1 Day 1 in a 28 day cycle. If DL 1 is tolerated, the alpelisib doses of 250 mg will be investigated. If DL 2 is tolerated, the alpelisib doses of 300 mg will be investigated. \[Part 2\] In the Part 2, participants will be enrolled into Cohort 2 (CDK4/6 inhibitor naive) and Cohort 3 (CDK4/6 inhibitor pre-treated) in parallel and alpelisib will be administered at the recommended dose identified in Part 1.

DRUG

Fulvestrant

Fulvestrant is administered at a dose of 500 mg intramuscular on Cycle 1 Day 1, Day 15, and Day 1 of every cycle thereafter (where a cycle is 28 days).

Inclusion Criteria: * Japanese man or postmenopausal woman * Participant has adequate tumor tissue for the analysis of PIK3CA mutational status by a Novartis designated laboratory. * Participant has identified PIK3CA mutation (as determined by a Novartis designated laboratory) * Participant has a histologically and/or cytologically confirmed diagnosis of ER+ and/or PgR+ breast cancer by local laboratory * Participant has HER2-negative breast cancer defined as a negative in situ hybridization test or an IHC status of 0, 1+ or 2+. If IHC is 2+, a negative in situ hybridization (FISH, CISH or SISH) test is required by local laboratory testing * Participant has measurable disease, i.e., at least one measurable lesion as per RECIST 1.1 * Participant has advanced breast cancer * Participant has ECOG performance status 0 or 1 Exclusion Criteria: * Participant with symptomatic visceral disease or any disease burden that makes the participant ineligible for endocrine therapy per the investigator's best judgment * Participant has received prior treatment; * with chemotherapy (except for neoadjuvant/ adjuvant chemotherapy), fulvestrant, any PI3K, mTOR or AKT inhibitor for Cohort 1 and 3 * with chemotherapy (except for neoadjuvant/ adjuvant chemotherapy), fulvestrant, any PI3K, mTOR, AKT inhibitor or CDK 4/6 inhibitor for Cohort 2 * Participant has a known hypersensitivity to alpelisib or fulvestrant, or to any of the excipients of alpelisib or fulvestrant * Participant with inflammatory breast cancer at screening * Participant is concurrently using other anti-cancer therapy * Participant has had surgery within 14 days prior to starting study drug or has not recovered from major side effects * Participant with an established diagnosis at screening of diabetes mellitus type I or not controlled type II (based on FPG and HbA1c) * Participant has currently documented pneumonitis /interstitial lung disease * History of acute pancreatitis within 1 year of screening or past medical history of chronic pancreatitis * Participant with unresolved osteonecrosis of the jaw * Participant has a history of severe cutaneous reactions Other protocol-defined inclusion/exclusion criteria may apply

Locations (15)

Novartis Investigative Site

Nagoya, Aichi-ken, Japan

Novartis Investigative Site

Nagoya, Aichi-ken, Japan

Novartis Investigative Site

Nagoya, Aichi-ken, Japan

Novartis Investigative Site

Kashiwa, Chiba, Japan

Novartis Investigative Site

Isehara, Kanagawa, Japan

Novartis Investigative Site

Yokohama, Kanagawa, Japan

Novartis Investigative Site

Sendai, Miyagi, Japan

Novartis Investigative Site

Osaka, Osaka, Japan

Novartis Investigative Site

Osaka, Osaka, Japan

Novartis Investigative Site

Suita, Osaka, Japan

Novartis Investigative Site

Bunkyo Ku, Tokyo, Japan

Novartis Investigative Site

Koto Ku, Tokyo, Japan

Novartis Investigative Site

Meguro-ku, Tokyo, Japan

Novartis Investigative Site

Kumamoto, Japan

Novartis Investigative Site

Niigata, Japan

Clinical Research Directory

Study Assessing the Efficacy and Safety of Treatment With Alpelisib Plus Fulvestrant in Japanese Men and Postmenopausal Women With Advanced Breast Cancer

Summary

Key Details

Conditions

Interventions

Eligibility Criteria

Locations (15)