NCT02437318

Brief Summary

To determine whether treatment with alpelisib plus fulvestrant prolonged progression-free survival (PFS) compared to fulvestrant and placebo in men and postmenopausal women with hormone receptor positive (HR+), human epidermal growth factor receptor-2 (HER2)-negative advanced breast cancer, who received prior treatment with an aromatase Inhibitor (AI) either as (neo)adjuvant or for advanced disease.

Trial Health

98
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Strong global presence with extensive site network
Enrollment
572

participants targeted

Target at P50-P75 for phase_3 breast-cancer

Timeline
Completed

Started Jul 2015

Typical duration for phase_3 breast-cancer

Geographic Reach
30 countries

195 active sites

Status
completed

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

First Submitted

Initial submission to the registry

April 22, 2015

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 7, 2015

Completed
3 months until next milestone

Study Start

First participant enrolled

July 23, 2015

Completed
2.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 12, 2018

Completed
1.2 years until next milestone

Results Posted

Study results publicly available

August 13, 2019

Completed
3.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 9, 2023

Completed
Last Updated

February 13, 2025

Status Verified

February 1, 2025

Enrollment Period

2.9 years

First QC Date

April 22, 2015

Results QC Date

June 17, 2019

Last Update Submit

February 10, 2025

Conditions

Keywords

BYL719HR+HER2-negativeadvanced breast canceralpelisibfulvestrantPI3KPhase IIIER+PgR+menpostmenopausalaromatase inhibitorneoplasms

Outcome Measures

Primary Outcomes (1)

  • Progression-free Survival (PFS) Per Investigator Assessment in the PIK3CA Mutant Cohort

    PFS was defined as the time from the date of randomization to the date of the first documented progression or death due to any cause. PFS was assessed via a local radiology assessment according to RECIST 1.1. If a patient did not have an event, PFS was censored at the date of last adequate tumor assessment. The PFS distribution was estimated using Kaplan-Meier methodology. Progression was defined as at least a 20% increase in the sum of diameter of all measured target lesions, taking as reference the smallest sum of diameter of all target lesions recorded at or after baseline. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm.

    Once approximately 243 PFS events in the PIK3CA mutant cohort had been observed, up to 33.3 months

Secondary Outcomes (11)

  • Overall Survival (OS) in the PIK3CA Mutant Cohort

    Once approximately 178 deaths in the PIK3CA mutant cohort had been observed, up to 55.7 months

  • PFS Per Investigator Assessment in the PIK3CA Non-mutant Cohort

    Up to 56.4 months

  • OS in the PIK3CA Non-mutant Cohort

    Up to 56.4 months

  • Overall Response Rate (ORR) Per Investigator Assessment

    Up to 56.4 months

  • Clinical Benefit Rate (CBR) Per Investigator Assessment

    Up to 56.4 months

  • +6 more secondary outcomes

Other Outcomes (1)

  • Updated PFS Per Investigator Assessment in the PIK3CA Mutant Cohort (Longer Follow-up)

    Up to 55.7 months

Study Arms (2)

Fulvestrant + alpelisib

EXPERIMENTAL

Subjects treated with alpelisib (300 mg; oral; once daily) in combination with fulvestrant (500 mg; intramuscular injection on Day 1 and Day 15 of Cycle 1, and then Day 1 of each subsequent 28-day cycle)

Drug: FulvestrantDrug: Alpelisib

Fulvestrant + placebo

PLACEBO COMPARATOR

Subjects were treated with placebo (300 mg; oral; once daily) in combination with fulvestrant (500 mg; intramuscular injection on Day 1 and Day 15 of Cycle 1, and then Day 1 of each subsequent 28-day cycle)

Drug: FulvestrantDrug: Placebo

Interventions

500 mg of fulvestrant administered via intramuscular injection on Day 1 and Day 15 of Cycle 1, and then Day 1 of each subsequent 28-day cycle

Fulvestrant + alpelisibFulvestrant + placebo

300 mg of alpelisib tablets for oral use administered once daily

Also known as: BYL719
Fulvestrant + alpelisib

300 mg of placebo tablets for oral use administered once daily

Fulvestrant + placebo

Eligibility Criteria

Age18 Years - 100 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • If female, the patient was postmenopausal.
  • The patient had identified PIK3CA status.
  • Patients could be:
  • Relapsed with documented evidence of progression while on (neo)adjuvant endocrine therapy or within 12 months from completion of (neo)adjuvant endocrine therapy with no treatment for metastatic disease.
  • Relapsed with documented evidence of progression more than 12 months from completion of (neo)adjuvant endocrine therapy and then subsequently progressed with documented evidence of progression while on or after only one line of endocrine therapy for metastatic disease.
  • Newly diagnosed with advanced breast cancer, then relapsed with documented evidence of progression while on or after only one line of endocrine therapy.
  • The patient had recurrence or progression of the disease during or after AI therapy (i.e., letrozole, anastrozole, exemestane).
  • The patient had a histologically and/or cytologically confirmed diagnosis of estrogen-receptor positive breast cancer by a local laboratory and had HER2 negative breast cancer.
  • The patient had either measurable disease per RECIST 1.1 criteria or at least one predominantly lytic bone lesion present.
  • The patient had adequate bone marrow function.

You may not qualify if:

  • The patient had symptomatic visceral disease or any disease burden that made the patient ineligible for endocrine therapy per the investigator's best judgment.
  • The patient had received prior treatment with chemotherapy (except for neoadjuvant/adjuvant chemotherapy), fulvestrant, any PI3K, mTOR, or AKT inhibitor (pre-treatment with CDK4/6 inhibitors was allowed).
  • The patient had inflammatory breast cancer at screening.
  • Patients had Child pugh score B or C.
  • Patients had an established diagnosis of diabetes mellitus type I or uncontrolled type II.
  • The patient had Eastern Cooperative Oncology Group (ECOG) performance status 2 or more.
  • The patient had CNS involvement unless he/she was at least 4 weeks from prior therapy completion to starting the study treatment and had a stable CNS tumor at the time of screening and was not receiving steroids and/or enzyme-inducing antiepileptic medications for brain metastases.
  • The patient had participated in a prior investigational study within 30 days prior to enrollment or within 5 half-lives of the investigational product, whichever was longer.
  • The patient had a history of acute pancreatitis within 1 year of screening or a past medical history of chronic pancreatitis.
  • The patient relapsed with documented evidence of progression more than 12 months from completion of (neo)adjuvant endocrine therapy with no treatment for metastatic disease.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (197)

Ironwood Cancer and Research Centers

Chandler, Arizona, 85224, United States

Location

Mayo Clinic Arizona

Scottsdale, Arizona, 85259, United States

Location

Highlands Oncology Group

Fayetteville, Arkansas, 72703, United States

Location

Beverly Hills Cancer Center

Beverly Hills, California, 90211, United States

Location

City of Hope National Medical Center

Duarte, California, 91010 3000, United States

Location

Scripps Green Hospital

La Jolla, California, 92037, United States

Location

Kaiser Permanent Southern Californi

San Diego, California, 92120, United States

Location

UCSF

San Francisco, California, 94115, United States

Location

Florida Cancer Specialists

Fort Myers, Florida, 33901, United States

Location

Florida Cancer Specialists-North

St. Petersburg, Florida, 33705, United States

Location

Rush University Medical Center

Chicago, Illinois, 60612, United States

Location

NorthShore University Health System

Evanston, Illinois, 60201, United States

Location

Edward Cancer Center

Naperville, Illinois, 60540, United States

Location

Fort Wayne Medical Oncology Hematology Inc

Fort Wayne, Indiana, 46815, United States

Location

St Francis Health Comprehensive Cancer Center

Topeka, Kansas, 66606-169, United States

Location

Mercy Medical Center

Baltimore, Maryland, 21202, United States

Location

Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

Location

Lahey Clinic

Burlington, Massachusetts, 01805, United States

Location

Detroit Clinical Research Center

Owosso, Michigan, 48867, United States

Location

St Lukes Cancer Institute

Kansas City, Missouri, 64111, United States

Location

St Vincent Frontier Cancer Center

Billings, Montana, 59102, United States

Location

Rutgers Cancer Institute of New Jersey

New Brunswick, New Jersey, 08903, United States

Location

University Hospitals of Cleveland Seidman Cancer Center

Cleveland, Ohio, 44106, United States

Location

Good Samaritan Regional Medical Center

Corvallis, Oregon, 97330, United States

Location

Lancaster General Hospital

Lancaster, Pennsylvania, 17604, United States

Location

Prisma Health Upstate

Greenville, South Carolina, 29615, United States

Location

Avera Cancer

Sioux Falls, South Dakota, 57105, United States

Location

SCRI Oncology Partners

Nashville, Tennessee, 37203, United States

Location

Texas Oncology PA Dallas Presbyterian Hospital

Dallas, Texas, 75231, United States

Location

El Paso Texas Oncology

El Paso, Texas, 79902, United States

Location

Mays Cancer Ctr Uthsa Mdacc

San Antonio, Texas, 78229, United States

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Texas Oncology Northeast Texas

Tyler, Texas, 75702, United States

Location

Virginia Cancer Specialists

Fairfax, Virginia, 22031, United States

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Wenatchee Valley Medical Center

Wenatchee, Washington, 98801, United States

Location

Novartis Investigative Site

Berazategui, Buenos Aires, B1884BBF, Argentina

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Novartis Investigative Site

CABA, Buenos Aires, C1125ABD, Argentina

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Novartis Investigative Site

Rio Negro, Viedma, 8500, Argentina

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Novartis Investigative Site

La Rioja, 5300, Argentina

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Novartis Investigative Site

Wahroonga, New South Wales, 2076, Australia

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Novartis Investigative Site

Wooloongabba, Queensland, 4102, Australia

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Novartis Investigative Site

Elizabeth Vale, South Australia, 5112, Australia

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Melbourne, Victoria, 3000, Australia

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Linz, 4010, Austria

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Vienna, 1090, Austria

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Sint-Niklaas, Oost Vlaanderen, 9100, Belgium

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Novartis Investigative Site

Brussels, 1000, Belgium

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Novartis Investigative Site

Brussels, 1090, Belgium

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Novartis Investigative Site

Edegem, 2650, Belgium

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Novartis Investigative Site

Libramont, 6800, Belgium

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Ottignies, 1340, Belgium

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Verviers, 4800, Belgium

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Natal, Rio Grande do Norte, 59075 740, Brazil

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Lajeado, Rio Grande do Sul, 95900-000, Brazil

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São Paulo, São Paulo, 04014-002, Brazil

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São José do Rio Preto, 15090 000, Brazil

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São Paulo, 01236 030, Brazil

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Plovdiv, 4004, Bulgaria

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Sofia, 1756, Bulgaria

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Varna, 9002, Bulgaria

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Varna, 9010, Bulgaria

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Calgary, Alberta, T2N 4N2, Canada

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Cambridge, Ontario, N1R 3G2, Canada

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Ottawa, Ontario, K1H 8L6, Canada

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Toronto, Ontario, M5B 1W8, Canada

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Québec, Quebec, G1S 4L8, Canada

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Temuco, Región de la Araucanía, 4810469, Chile

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Santiago, 8420383, Chile

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Viña del Mar, 2520612, Chile

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Prague, Czech Republic, 140 46, Czechia

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Zlín, Czech Republic, 762 75, Czechia

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Hradec Králové, CZE, 500 05, Czechia

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Prague, 180 00, Czechia

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Marseille, Bouches Du Rhone, 13915, France

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Angers, 49055, France

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Avignon, 84082, France

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Caen, 14021, France

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Clermont-Ferrand, 63011, France

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Créteil, 94010, France

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La Roche-sur-Yon, 85925, France

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Le Chesnay, 78150, France

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Levallois-Perret, 92309, France

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Lyon 08, 69373, France

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Aschaffenburg, 63739, Germany

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Friedrichshafen, 88045, Germany

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Homburg, 66421, Germany

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Leipzig, 04277, Germany

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Mainz, 55131, Germany

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Recklinghausen, 45657, Germany

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Ulm, 89081, Germany

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Velbert, 42551, Germany

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Thessaloniki, GR, 564 29, Greece

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Athens, 18547, Greece

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Budapest, H 1122, Hungary

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Nyíregyháza, 4400, Hungary

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Szekszárd, 7100, Hungary

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Vijayawada, Andhra Pradesh, 520002, India

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Nagpur, Maharashtra, 440010, India

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Mumbai, 400 012, India

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Beersheba, 8457108, Israel

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Petah Tikva, 4941492, Israel

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Ramat Gan, 52621, Israel

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Tel Aviv, 6423906, Israel

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Ancona, AN, 60126, Italy

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Chieti, CH, 66100, Italy

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Meldola, FC, 47014, Italy

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Milan, MI, 20133, Italy

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Palermo, PA, 90127, Italy

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Padua, PD, 35100, Italy

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Pontedera, PI, 56025, Italy

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Aviano, PN, 33081, Italy

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Rionero in Vulture, PZ, 85028, Italy

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Negrar, VR, 37024, Italy

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Sassari, 07100, Italy

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Nagoya, Aichi-ken, 464 8681, Japan

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Matsuyama, Ehime, 791-0280, Japan

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Maebashi, Gunma, 371 8511, Japan

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Sapporo, Hokkaido, 003-0804, Japan

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Akashi, Hyōgo, 673-8558, Japan

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Isehara, Kanagawa, 259-1193, Japan

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Yokohama, Kanagawa, 241-8515, Japan

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Osaka, Osaka, 540-0006, Japan

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Osaka, Osaka, 541-8567, Japan

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Kitaadachi-gun, Saitama, 362-0806, Japan

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Chuo Ku, Tokyo, 104 8560, Japan

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Minato Ku, Tokyo, 105-8470, Japan

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Kagoshima, 892-0833, Japan

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Kumamoto, 860-8556, Japan

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Beirut, 10999, Lebanon

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El Achrafiyé, 166830, Lebanon

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Saida, 652, Lebanon

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Monterrey, Nuevo León, 64320, Mexico

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San Luis Potosí City, 78200, Mexico

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Venray, CE, 5801, Netherlands

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Terneuzen, 4535 PA, Netherlands

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San Borja, Lima region, 41, Peru

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Surquillo, Lima region, 34, Peru

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Lima, LIMA 27, Peru

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Floreşti, Cluj, 407280, Romania

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Craiova, Dolj, 200347, Romania

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Iași, 700483, Romania

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Arkhangelsk, 163045, Russia

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Ryazan, 390011, Russia

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Saint Petersburg, 197758, Russia

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Bundang Gu, Gyeonggi-do, 13620, South Korea

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Gyeonggi-do, Korea, 10408, South Korea

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Seoul, 03080, South Korea

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Seoul, 03722, South Korea

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Seoul, 05505, South Korea

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Seoul, 06351, South Korea

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Seville, Andalusia, 41013, Spain

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Palma de Mallorca, Balearic Islands, 07120, Spain

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Jerez de la Frontera, Cadiz, 11407, Spain

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Badalona, Catalonia, 08916, Spain

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Barcelona, Catalonia, 08024, Spain

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Badajoz, Extremadura, 06080, Spain

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Cáceres, Extremadura, 10003, Spain

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Santiago de Compostela, Galicia, 15706, Spain

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Pozuelo de Alarcón, Madrid, 28223, Spain

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El Palmar, Murcia, 30120, Spain

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San Cristóbal de La Laguna, Santa Cruz De Tenerife, 38320, Spain

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Alicante, Valencia, 03010, Spain

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Castellon, Valencia, 12002, Spain

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Valencia, Valencia, 46010, Spain

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Madrid, 28034, Spain

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Madrid, 28040, Spain

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Madrid, 28041, Spain

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Madrid, 28046, Spain

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Madrid, 28050, Spain

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Related Publications (6)

  • Borrego MR, Lu YS, Reyes-Cosmelli F, Park YH, Yamashita T, Chiu J, Airoldi M, Turner N, Fein L, Ghaznawi F, Singh J, Pantoja K, Schnell C, Akdere M, Chia S. SGLT2 inhibition improves PI3Kalpha inhibitor-induced hyperglycemia: findings from preclinical animal models and from patients in the BYLieve and SOLAR-1 trials. Breast Cancer Res Treat. 2024 Nov;208(1):111-121. doi: 10.1007/s10549-024-07405-8. Epub 2024 Aug 23.

  • Rodon J, Demanse D, Rugo HS, Burris HA, Simo R, Farooki A, Wellons MF, Andre F, Hu H, Vuina D, Quadt C, Juric D. A risk analysis of alpelisib-induced hyperglycemia in patients with advanced solid tumors and breast cancer. Breast Cancer Res. 2024 Mar 4;26(1):36. doi: 10.1186/s13058-024-01773-1.

  • Ciruelos EM, Rugo HS, Mayer IA, Levy C, Forget F, Delgado Mingorance JI, Safra T, Masuda N, Park YH, Juric D, Conte P, Campone M, Loibl S, Iwata H, Zhou X, Park J, Ridolfi A, Lorenzo I, Andre F. Patient-Reported Outcomes in Patients With PIK3CA-Mutated Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative Advanced Breast Cancer From SOLAR-1. J Clin Oncol. 2021 Jun 20;39(18):2005-2015. doi: 10.1200/JCO.20.01139. Epub 2021 Mar 29.

  • Andre F, Ciruelos EM, Juric D, Loibl S, Campone M, Mayer IA, Rubovszky G, Yamashita T, Kaufman B, Lu YS, Inoue K, Papai Z, Takahashi M, Ghaznawi F, Mills D, Kaper M, Miller M, Conte PF, Iwata H, Rugo HS. Alpelisib plus fulvestrant for PIK3CA-mutated, hormone receptor-positive, human epidermal growth factor receptor-2-negative advanced breast cancer: final overall survival results from SOLAR-1. Ann Oncol. 2021 Feb;32(2):208-217. doi: 10.1016/j.annonc.2020.11.011. Epub 2020 Nov 25.

  • Rugo HS, Andre F, Yamashita T, Cerda H, Toledano I, Stemmer SM, Jurado JC, Juric D, Mayer I, Ciruelos EM, Iwata H, Conte P, Campone M, Wilke C, Mills D, Lteif A, Miller M, Gaudenzi F, Loibl S. Time course and management of key adverse events during the randomized phase III SOLAR-1 study of PI3K inhibitor alpelisib plus fulvestrant in patients with HR-positive advanced breast cancer. Ann Oncol. 2020 Aug;31(8):1001-1010. doi: 10.1016/j.annonc.2020.05.001. Epub 2020 May 13.

  • Andre F, Ciruelos E, Rubovszky G, Campone M, Loibl S, Rugo HS, Iwata H, Conte P, Mayer IA, Kaufman B, Yamashita T, Lu YS, Inoue K, Takahashi M, Papai Z, Longin AS, Mills D, Wilke C, Hirawat S, Juric D; SOLAR-1 Study Group. Alpelisib for PIK3CA-Mutated, Hormone Receptor-Positive Advanced Breast Cancer. N Engl J Med. 2019 May 16;380(20):1929-1940. doi: 10.1056/NEJMoa1813904.

MeSH Terms

Conditions

Breast NeoplasmsMultiple Endocrine Neoplasia Type 1Neoplasms

Interventions

FulvestrantAlpelisib

Condition Hierarchy (Ancestors)

Neoplasms by SiteBreast DiseasesSkin DiseasesSkin and Connective Tissue DiseasesMultiple Endocrine NeoplasiaEndocrine Gland NeoplasmsNeoplasms, Multiple PrimaryNeoplastic Syndromes, HereditaryGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesEndocrine System Diseases

Intervention Hierarchy (Ancestors)

EstradiolEstrenesEstranesSteroidsFused-Ring CompoundsPolycyclic CompoundsEstradiol CongenersGonadal Steroid HormonesGonadal HormonesHormonesHormones, Hormone Substitutes, and Hormone Antagonists

Results Point of Contact

Title
Study Director
Organization
Novartis Pharmaceuticals

Study Officials

  • Novartis Pharmaceuticals

    Novartis Pharmaceuticals

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 22, 2015

First Posted

May 7, 2015

Study Start

July 23, 2015

Primary Completion

June 12, 2018

Study Completion

June 9, 2023

Last Updated

February 13, 2025

Results First Posted

August 13, 2019

Record last verified: 2025-02

Data Sharing

IPD Sharing
Will share

Novartis is committed to sharing with qualified external researchers, access to patient-level data and supporting clinical documents from eligible studies. These requests are reviewed and approved by an independent review panel on the basis of scientific merit. All data provided is anonymized to respect the privacy of patients who have participated in the trial in line with applicable laws and regulations. This trial data availability is according to the criteria and process described on www.clinicalstudydatarequest.com

Locations