NCT03701334

Brief Summary

A phase III, multicenter, randomized, open-label trial to evaluate the efficacy and safety of ribociclib with Endocrine Therapy (ET) as an adjuvant treatment in women and men with Hormone Receptor positive (HR+), Human Epidermal Growth Factor Receptor 2 negative (HER2-) Early Breast Cancer (EBC).

Trial Health

87
On Track

Trial Health Score

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

Strong global presence with extensive site network
Enrollment
5,101

participants targeted

Target at P75+ for phase_3

Timeline
50mo left

Started Dec 2018

Longer than P75 for phase_3

Geographic Reach
19 countries

363 active sites

Status
active not recruiting

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 Progress65%
Dec 2018May 2030

First Submitted

Initial submission to the registry

September 21, 2018

Completed
19 days until next milestone

First Posted

Study publicly available on registry

October 10, 2018

Completed
2 months until next milestone

Study Start

First participant enrolled

December 7, 2018

Completed
11.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 29, 2030

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 29, 2030

Last Updated

April 1, 2026

Status Verified

March 1, 2026

Enrollment Period

11.5 years

First QC Date

September 21, 2018

Last Update Submit

March 31, 2026

Conditions

Keywords

adjuvant treatment of Hormone Receptor positive (HR+)Human Epidermal Growth Factor Receptor 2 negative (HER2-)Early Breast Cancer (EBC)HR+/HER2-adjuvantRibociclib (LEE011)CDK4/6 inhibitor

Outcome Measures

Primary Outcomes (1)

  • Invasive Disease-Free Survival (iDFS)

    Invasive Disease-Free Survival (iDFS) is defined as the time from the date of randomization to the date of the first event of local invasive breast recurrence, regional invasive recurrence, distant recurrence, death (any cause), contralateral invasive BC, or second primary non-breast invasive cancer (excluding basal and squamous cell carcinomas of the skin). iDFS will be assessed locally using STEEP criteria (Standardized Definitions for Efficacy End Points in Adjuvant Breast Cancer Trials).

    Up to approximately 139 months

Secondary Outcomes (6)

  • Recurrence-free survival (RFS)

    Up to approximately 139 months

  • Distant disease-free survival (DDFS)

    Up to approximately 139 months

  • Overall Survival (OS)

    Up to approximately 139 months

  • Change from baseline in the global health status Quality of life scale score as assessed by EORTC QLQ-C30

    Up to approximately 139 months

  • Change from baseline in the physical functioning sub-scale score as assessed by EORTC QLQ-C30

    Up to approximately 139 months

  • +1 more secondary outcomes

Study Arms (2)

Ribociclib + Endocrine Therapy (ET)

EXPERIMENTAL

Eligible participants will receive Ribociclib 400 mg once daily on days 1 to 21 of a 28-day cycle, followed by 7 days off ribociclib (Days 22 to 28). And Endocrine Therapy (ET) consisting of: * For postmenopausal women: \- Letrozole 2.5 mg by mouth daily continuously or anastrozole 1 mg by mouth daily continuously. * For premenopausal women and men: * Letrozole 2.5 mg by mouth daily continuously or anastrozole 1 mg by mouth daily continuously, combined with: * Goserelin 3.6 mg subcutaneously once every 4 weeks.

Drug: RibociclibOther: Endocrine Therapy (ET)

Endocrine Therapy (ET)

ACTIVE COMPARATOR

Eligible participants will receive Endocrine Therapy (ET) consisting of: * For postmenopausal women: \- Letrozole 2.5 mg by mouth daily continuously or anastrozole 1 mg by mouth daily continuously. * For premenopausal women and men: * Letrozole 2.5 mg by mouth daily continuously or anastrozole 1 mg by mouth daily continuously, combined with: * Goserelin 3.6 mg subcutaneously once every 4 weeks.

Other: Endocrine Therapy (ET)

Interventions

Ribociclib orally taken at 400 mg on days 1 to 21 of a 28-day cycle

Also known as: LEE011
Ribociclib + Endocrine Therapy (ET)

Endocrine Therapy (ET) will be administered according to the local clinical guidelines and current local prescribing information

Endocrine Therapy (ET)Ribociclib + Endocrine Therapy (ET)

Eligibility Criteria

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

You may qualify if:

  • Signed and dated Patient Informed Consent Form (PICF) obtained prior to any trial-specific screening procedure.
  • Patient is ≥ 18 years-old at the time of PICF signature.
  • Patient is female with known menopausal status at the time of randomization or initiation of adjuvant ET (whichever occurs earlier), or male.
  • Postmenopausal status is defined as:
  • Patient underwent bilateral oophorectomy, or
  • Age ≥ 60 years, or
  • Age \< 60 years and amenorrhea for 12 or more months (in the absence of chemotherapy, tamoxifen, toremifene or ovarian suppression) and Follicle-stimulating hormone (FSH) and plasma estradiol are in the postmenopausal ranges per local normal ranges.
  • If taking tamoxifen or toremifene and age \<60 years, then FSH and plasma estradiol level in postmenopausal ranges.
  • Notes
  • In women who are premenopausal at the beginning of adjuvant chemotherapy, amenorrhea is not a reliable indicator of menopausal status as ovarian function may still be intact or resume despite anovulation/amenorrhea. For these women with therapy-induced amenorrhea, serial measurements of FSH and/or estradiol per local clinical guidelines are required for determination of postmenopausal status.
  • All women who do not meet the criteria for postmenopausal status are considered premenopausal for the purpose of this trial.
  • Patient has breast cancer that is positive for ER and/or PgR according to the local laboratory as determined on the most recently analyzed tissue sample.
  • Patient has HER2-negative breast cancer defined as a negative in situ hybridization test or an immunohistochemistry (IHC) status of 0 or 1+. If IHC is 2+, a negative in situ hybridization (FISH, CISH, or SISH) test is required to confirm the HER2-negative status (based on the most recently analyzed tissue sample tested by a local laboratory).
  • Patient (except those enrolled in China) has available archival tumor tissue from the surgical specimen, for submission to a central laboratory (Note: in patients that underwent neoadjuvant systemic therapy and had a pathologic complete response, archival tumor tissue at the time of the initial diagnosis or before the administration of neoadjuvant therapy is mandatory).
  • Patient, after surgical resection where tumor was removed completely, with the final surgical specimen microscopic margins free from tumor, and belongs to one of the following categories:
  • +44 more criteria

You may not qualify if:

  • Patient has received any CDK4/6 inhibitor.
  • Patient has received prior treatment with tamoxifen, raloxifene or AIs for reduction in risk ("chemoprevention") of breast cancer and/or treatment for osteoporosis within the last 2 years prior to randomization. Patient is concurrently using hormone replacement therapy.
  • Patient has received prior treatment with anthracyclines at cumulative doses of 450 mg/m² or more for doxorubicin, or 900 mg/m² or more for epirubicin.
  • Patient with a known hypersensitivity to any of the excipients of ribociclib and/or ET (e.g. rare hereditary problems of galactose intolerance, the Lapp lactase deficiency, glucose-galactose malabsorption, and soy allergy).
  • Patient with distant metastases of breast cancer beyond regional lymph nodes (stage IV according to AJCC 8th edition) and/or evidence of recurrence after curative surgery.
  • Patient has had major surgery, chemotherapy or radiotherapy within 14 days prior to randomization.
  • Patient has not recovered from clinical and laboratory acute toxicities related to prior anti-cancer therapies to a NCI CTCAE (National Cancer Institute Common Terminology Criteria for Adverse Events) version 4.03 Grade ≤1 at day of randomization. Exceptions to this criterion: patients with any grade of alopecia, amenorrhea, grade 2 neuropathy are allowed to enter the trial or other toxicities not considered a safety risk for the patient as per Investigator's discretion, are allowed to enter the trial.
  • Patient has a concurrent invasive malignancy or a prior invasive malignancy whose treatment was completed within 2 years before randomization. Note: Patients with adequately treated, basal or squamous cell skin carcinoma or curatively resected cervical cancer in situ are eligible.
  • Patient has known history of human immunodeficiency virus (HIV) infection (testing is not mandatory, unless required by local regulation).
  • Patient has known active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection (testing is not mandatory, unless required by local regulation).
  • Clinically significant, uncontrolled heart disease and/or cardiac repolarization abnormality, including any of the following:
  • History of documented myocardial infarction (MI), angina pectoris, symptomatic pericarditis, or coronary artery bypass graft within 6 months prior to trial entry.
  • Documented cardiomyopathy.
  • Left Ventricular Ejection Fraction (LVEF) \< 50% as determined by Multiple Gated acquisition (MUGA) scan or echocardiogram (ECHO) (testing not mandatory)
  • Long QT syndrome or family history of idiopathic sudden death or congenital long QT syndrome, or any of the following:
  • +14 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (387)

University of Alabama at Birmingham-Kirklin Clinic

Birmingham, Alabama, 35294-0006, United States

Location

Cancer Treatment Centers of America

Goodyear, Arizona, 85338, United States

Location

St Bernards Medical Center

Jonesboro, Arkansas, 72401, United States

Location

Comprehensive Blood and Cancer

Bakersfield, California, 93309, United States

Location

UCLA Beverly Hills

Beverly Hills, California, 90212, United States

Location

UCLA Burbank

Burbank, California, 91505, United States

Location

Encino Research Center

Encino, California, 91436, United States

Location

St. Jude Heritage Medical Group

Fullerton, California, 92835, United States

Location

UCLA Hematology Oncology

Laguna Hills, California, 92653, United States

Location

Southern CA Oncology Rsrch Alliance

Los Angeles, California, 90057, United States

Location

Stanford University Medical Center

Palo Alto, California, 94304-1509, United States

Location

UCLA Pasadena HC Hemato Onco

Pasadena, California, 941105, United States

Location

UCLA Porter Ranch Hemato and Onco

Porter Ranch, California, 91326, United States

Location

Cancer Care Associates Medical Grp

Redondo Beach, California, 90277, United States

Location

Sharp Memorial Hospital

San Diego, California, 92123, United States

Location

UCSF

San Francisco, California, 94115, United States

Location

Central Coast Medical Oncology Corporation

Santa Maria, California, 93454, United States

Location

UCLA Santa Monica Hematology Oncology

Santa Monica, California, 90404, United States

Location

Lundquist Inst BioMed at Harbor

Torrance, California, 90509-2910, United States

Location

UCLA Valencia

Valencia, California, 91355, United States

Location

Valley Breast Care

Van Nuys, California, 91405, United States

Location

UCLA Cancer Center Westlake Village

Westlake Village, California, 91361, United States

Location

University Of Colorado Hospital

Aurora, Colorado, 80045, United States

Location

Rocky Mountain Cancer Centers

Denver, Colorado, 80218, United States

Location

Hospital of Central Connecticut

New Britain, Connecticut, 06052, United States

Location

Yale University School Of Medicine

New Haven, Connecticut, 06520, United States

Location

Norwalk Hospital

Norwalk, Connecticut, 06856, United States

Location

Eastern Connecticut Hematology and Oncology Associates

Norwich, Connecticut, 06360, United States

Location

Holy Cross Hospital-Ft. Lauderdale

Fort Lauderdale, Florida, 33308, United States

Location

Florida Cancer Specialists

Fort Myers, Florida, 33901, United States

Location

Memorial Cancer Institute

Hollywood, Florida, 33021, United States

Location

Baptist MD Anderson Cancer Center

Jacksonville, Florida, 32207, United States

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University of Miami

Miami, Florida, 33136, United States

Location

Orlando Health Clinical Trials

Orlando, Florida, 32806, United States

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Florida Cancer Specialists-North

St. Petersburg, Florida, 33705, United States

Location

Florida Cancer Specialists Pan

Tallahassee, Florida, 32308, United States

Location

Florida Cancer Specialists

West Palm Beach, Florida, 33401, United States

Location

Winship Cancer Institute of Emory University

Atlanta, Georgia, 30322, United States

Location

Southeastern Regional Medical Center

Newnan, Georgia, 30265, United States

Location

Cancer Treatment Centers of America

Zion, Illinois, 60099, United States

Location

Cancer Care Center

New Albany, Indiana, 47150, United States

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University of Kansas Cancer Center

Westwood, Kansas, 66205, United States

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Cancer Center of Kansas

Wichita, Kansas, 67214-3728, United States

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Norton Cancer Institute

Louisville, Kentucky, 40202, United States

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Mercy Medical Center

Baltimore, Maryland, 21202, United States

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Massachusetts General Hospital

Boston, Massachusetts, 02114, United States

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University of Michigan Cancer Center

Ann Arbor, Michigan, 48109, United States

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Fairview Health Services

Maple Grove, Minnesota, 55369, United States

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Metro Minnesota CCOP

Saint Louis Park, Minnesota, 55416, United States

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Park Nicollet Institute

Saint Louis Park, Minnesota, 55416, United States

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Saint Lukes Hospital of Kansas City

Kansas City, Missouri, 64111, United States

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HCA Midwest Division

Kansas City, Missouri, 64132, United States

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David C Pratt Cancer Center

St Louis, Missouri, 63141, United States

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St Vincent Frontier Cancer Center

Billings, Montana, 59102, United States

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Saint Francis Medical Center

Grand Island, Nebraska, 68803, United States

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Comprehensive Cancer Cntr Of Nevada

Henderson, Nevada, 89052, United States

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Saint Barnabas Medical Center

Livingston, New Jersey, 07039, United States

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Perlmutter Cancer Centre

New York, New York, 10016, United States

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Randolph Medical Associates

Asheboro, North Carolina, 27204, United States

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Cone Health Cancer Center

Greensboro, North Carolina, 27403, United States

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Kaiser Permanente NW Region

Clackamas, Oregon, 97015, United States

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Penn State Hershey Cancer Institute

Hershey, Pennsylvania, 17033, United States

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Cancer Treatment Centers of America Eastern Regional Medical Center

Philadelphia, Pennsylvania, 19124, United States

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The West Clinic

Germantown, Tennessee, 38138, United States

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Sarah Cannon Research Institute

Nashville, Tennessee, 37203, United States

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Baylor Charles A Sammons Cancer Cnt

Dallas, Texas, 75246, United States

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Ctr For Cancer And Blood Disorders

Fort Worth, Texas, 76104, United States

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MD Anderson Cancer Center University of Texas

Houston, Texas, 77030, United States

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Utah Cancer Specialists

Salt Lake City, Utah, 84106, United States

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Virginia Cancer Specialists

Fairfax, Virginia, 22031, United States

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Virginia Cancer Institute

Richmond, Virginia, 23230, United States

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Fred Hutchinson Cancer Center

Seattle, Washington, 98109, United States

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University of Wisconsin Paul P Carbone Comp Cancer Center

Madison, Wisconsin, 53792 6164, United States

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Novartis Investigative Site

San Salvador de Jujuy, Jujuy Province, 4600, Argentina

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Novartis Investigative Site

Rosario, Santa Fe Province, S2000, Argentina

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Novartis Investigative Site

Rosario, Sante Fe, S200KZE, Argentina

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Novartis Investigative Site

San Miguel Tucuman, Tucumán Province, T4000IAK, Argentina

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Novartis Investigative Site

Rio Negro, Viedma, 8500, Argentina

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Novartis Investigative Site

CABA, C1419AHN, Argentina

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Novartis Investigative Site

Córdoba, X5004FHP, Argentina

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Novartis Investigative Site

La Rioja, 5300, Argentina

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Campbelltown, New South Wales, 2560, Australia

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Coffs Harbour, New South Wales, 2450, Australia

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Darlinghurst, New South Wales, 2010, Australia

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Kingswood, New South Wales, 2747, Australia

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Novartis Investigative Site

Kogarah, New South Wales, 2217, Australia

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North Ryde, New South Wales, 2109, Australia

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St Leonards, New South Wales, 2065, Australia

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Novartis Investigative Site

Wahroonga, New South Wales, 2076, Australia

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Westmead, New South Wales, 2145, Australia

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Auchenflower, Queensland, 4066, Australia

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Novartis Investigative Site

Birtinya, Queensland, 4575, Australia

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Wooloongabba, Queensland, 4102, Australia

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Bedford Park, South Australia, 5041, Australia

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Bendigo, Victoria, 3550, Australia

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Novartis Investigative Site

East Melbourne, Victoria, 3002, Australia

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Novartis Investigative Site

Epping, Victoria, 3076, Australia

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Novartis Investigative Site

Fitzroy, Victoria, 3065, Australia

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Novartis Investigative Site

Franston, Victoria, 3199, Australia

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Novartis Investigative Site

Heidelberg, Victoria, 3084, Australia

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Novartis Investigative Site

Melbourne, Victoria, 3000, Australia

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Novartis Investigative Site

Shepparton, Victoria, 3630, Australia

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Novartis Investigative Site

Murdoch, Western Australia, 6150, Australia

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Novartis Investigative Site

Nedlands, Western Australia, 6009, Australia

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Novartis Investigative Site

Liverpool, 2170, Australia

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Novartis Investigative Site

Innsbruck, Tyrol, 6020, Austria

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Novartis Investigative Site

Graz, 8036, Austria

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Novartis Investigative Site

Linz, 4020, Austria

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Novartis Investigative Site

Salzburg, 5020, Austria

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Novartis Investigative Site

Vienna, 1090, Austria

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Novartis Investigative Site

Hasselt, Limburg, 3500, Belgium

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Novartis Investigative Site

Leuven, Vlaams Brabant, 3000, Belgium

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Novartis Investigative Site

Brussels, 1000, Belgium

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Novartis Investigative Site

Brussels, 1200, Belgium

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Novartis Investigative Site

Charleroi, 6000, Belgium

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Novartis Investigative Site

Edegem, 2650, Belgium

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Novartis Investigative Site

Jette, 1090, Belgium

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Novartis Investigative Site

Libramont, 6800, Belgium

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Novartis Investigative Site

Liège, 4000, Belgium

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Novartis Investigative Site

Namur, 5000, Belgium

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Novartis Investigative Site

Wilrijk, 2610, Belgium

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Novartis Investigative Site

Yvoir, 5530, Belgium

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Novartis Investigative Site

Londrina, Paraná, 86015-520, Brazil

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Novartis Investigative Site

Ijuí, Rio Grande do Sul, 98700-000, Brazil

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Novartis Investigative Site

Porto Alegre, Rio Grande do Sul, 90035-903, Brazil

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Novartis Investigative Site

Porto Alegre, Rio Grande do Sul, 90050-170, Brazil

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Novartis Investigative Site

Porto Alegre, Rio Grande do Sul, 90560-030, Brazil

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Novartis Investigative Site

Porto Alegre, Rio Grande do Sul, 90610-000, Brazil

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Novartis Investigative Site

Porto Alegre, Rio Grande do Sul, 90880-480, Brazil

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Novartis Investigative Site

Barretos, São Paulo, 14784 400, Brazil

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Novartis Investigative Site

Santo André, São Paulo, 09060-650, Brazil

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Novartis Investigative Site

São Paulo, São Paulo, 01317 000, Brazil

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Novartis Investigative Site

São Paulo, São Paulo, 04014-002, Brazil

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Novartis Investigative Site

Caxias do Sul, 95070-560, Brazil

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Novartis Investigative Site

Passo Fundo, 99010-080, Brazil

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Novartis Investigative Site

Piracicaba, 13419-155, Brazil

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Novartis Investigative Site

Recife, 50040-000, Brazil

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Novartis Investigative Site

Rio de Janeiro, 20560-120, Brazil

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Novartis Investigative Site

Salvador, 41810 570, Brazil

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Novartis Investigative Site

São Paulo, 01255-000, Brazil

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Novartis Investigative Site

Calgary, Alberta, T2N4N2, Canada

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Novartis Investigative Site

Edmonton, Alberta, T6G 1Z2, Canada

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Novartis Investigative Site

Kelowna, British Columbia, V1Y 5L3, Canada

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Novartis Investigative Site

North Vancouver, British Columbia, V7L 2L7, Canada

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Novartis Investigative Site

Surrey, British Columbia, V3V 1Z2, Canada

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Novartis Investigative Site

Vancouver, British Columbia, V5Z 4E6, Canada

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Novartis Investigative Site

Halifax, Nova Scotia, B3H 2Y9, Canada

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Novartis Investigative Site

Greater Sudbury, Ontario, P3E 5J1, Canada

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Novartis Investigative Site

Kitchener, Ontario, N2G 1G3, Canada

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Novartis Investigative Site

London, Ontario, N6A 5W9, Canada

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Novartis Investigative Site

Newmarket, Ontario, J7Y 2P9, Canada

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Novartis Investigative Site

Oshawa, Ontario, L1G 2B9, Canada

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Novartis Investigative Site

Sault Ste. Marie, Ontario, P6B 0A8, Canada

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Novartis Investigative Site

Toronto, Ontario, M4N 3M5, Canada

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Novartis Investigative Site

Toronto, Ontario, M5G 2M9, Canada

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Novartis Investigative Site

Windsor, Ontario, N8W 2X3, Canada

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Novartis Investigative Site

Fleurimont, Quebec, J1H 5N4, Canada

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Novartis Investigative Site

Greenfield Park, Quebec, J4V 2H1, Canada

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Novartis Investigative Site

Montreal, Quebec, H2W 1T8, Canada

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Novartis Investigative Site

Montreal, Quebec, H3T 1E2, Canada

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Novartis Investigative Site

Montreal, Quebec, H4A 3J1, Canada

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Novartis Investigative Site

Québec, Quebec, G1S 4L8, Canada

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Novartis Investigative Site

Saint-Jérôme, Quebec, J7Z 5T3, Canada

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Novartis Investigative Site

Guangzhou, Guangdong, 510000, China

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Novartis Investigative Site

Shijiazhuang, Hebei, 050011, China

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Novartis Investigative Site

Harbin, Heilongjiang, 150081, China

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Novartis Investigative Site

Zhengzhou, Henan, 450008, China

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Novartis Investigative Site

Wuhan, Hubei, 430022, China

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Novartis Investigative Site

Nanjing, Jiangsu, 210029, China

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Novartis Investigative Site

Suzhou, Jiangsu, 215004, China

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Novartis Investigative Site

Changchun, Jilin, 130021, China

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Novartis Investigative Site

Chengdu, Sichuan, 610041, China

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Novartis Investigative Site

Hangzhou, Zhejiang, 310016, China

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Novartis Investigative Site

Beijing, 100021, China

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Novartis Investigative Site

Chongqing, 400016, China

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Novartis Investigative Site

Shanghai, 200032, China

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Novartis Investigative Site

Tianjin, 300480, China

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Novartis Investigative Site

Zhenjiang, 310009, China

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Novartis Investigative Site

Nice, Alpes Maritimes, 06189, France

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Novartis Investigative Site

Dijon, Cote D Or, 21034, France

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Novartis Investigative Site

Limoges, Haute Vienne, 87000, France

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Novartis Investigative Site

Saint-Cloud, Hauts De Seine, 92210, France

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Novartis Investigative Site

Rennes, Ille Et Vilaine, 35062, France

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Novartis Investigative Site

Grenoble, Isere, 38028, France

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Novartis Investigative Site

Lyon, Rhone, 69004, France

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Novartis Investigative Site

Amiens, 80000, France

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Novartis Investigative Site

Angers, 49055, France

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Novartis Investigative Site

Argenteuil, 95107, France

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Novartis Investigative Site

Avignon, 84082, France

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Novartis Investigative Site

Besançon, 25030, France

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Novartis Investigative Site

Bordeaux, 33076, France

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Novartis Investigative Site

Bron, 69677, France

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Novartis Investigative Site

Caen, 14021, France

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Novartis Investigative Site

Le Mans, 72000, France

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Novartis Investigative Site

Marseille, 13008, France

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Novartis Investigative Site

Montpellier, 34070, France

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Novartis Investigative Site

Montpellier, 34298, France

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Novartis Investigative Site

Nantes, 44202, France

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Novartis Investigative Site

Paris, 75013, France

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Novartis Investigative Site

Paris, 75015, France

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Novartis Investigative Site

Paris, 75231, France

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Novartis Investigative Site

Paris, 75475, France

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Novartis Investigative Site

Paris, 75970, France

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Novartis Investigative Site

Pierre-Bénite, 69495, France

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Novartis Investigative Site

Rouen, 76038, France

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Novartis Investigative Site

Saint-Herblain, 44805, France

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Novartis Investigative Site

Strasbourg, F 67085, France

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Novartis Investigative Site

Toulouse, 31059, France

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Novartis Investigative Site

Vandœuvre-lès-Nancy, 54519, France

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Novartis Investigative Site

Villejuif, 94800, France

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Novartis Investigative Site

Ravensburg, Baden-Wurttemberg, 88212, Germany

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Munich, Bavaria, 80637, Germany

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Novartis Investigative Site

Munich, Bavaria, 81377, Germany

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Munich, Bavaria, 81675, Germany

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Würzburg, Bavaria, 97080, Germany

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Novartis Investigative Site

Cottbus, Brandenburg, 03048, Germany

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Novartis Investigative Site

Frankfurt am Main, Hesse, 60431, Germany

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Georgsmarienhütte, Lower Saxony, 49124, Germany

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Novartis Investigative Site

Hanover, Lower Saxony, 30177, Germany

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Novartis Investigative Site

Essen, North Rhine-Westphalia, 45136, Germany

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Novartis Investigative Site

Mönchengladbach, North Rhine-Westphalia, 41061, Germany

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Novartis Investigative Site

Velbert, North Rhine-Westphalia, 42551, Germany

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Novartis Investigative Site

Dresden, Saxony, 01307, Germany

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Novartis Investigative Site

Augsburg, 86150, Germany

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Novartis Investigative Site

Bad Liebenwerda, 04924, Germany

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Novartis Investigative Site

Berlin, 13125, Germany

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Novartis Investigative Site

Bonn, 53111, Germany

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Novartis Investigative Site

Bottrop, 46236, Germany

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Novartis Investigative Site

Erlangen, 91054, Germany

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Novartis Investigative Site

Essen, 45147, Germany

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Novartis Investigative Site

Hamburg, 20357, Germany

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Novartis Investigative Site

Kiel, 24105, Germany

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Novartis Investigative Site

Mainz, 55131, Germany

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Novartis Investigative Site

Mannheim, 68167, Germany

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Novartis Investigative Site

Münster, 48149, Germany

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Novartis Investigative Site

Regensburg, 93053, Germany

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Novartis Investigative Site

Schweinfurt, 97422, Germany

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Novartis Investigative Site

Tübingen, 72076, Germany

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Novartis Investigative Site

Ulm, 89081, Germany

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Novartis Investigative Site

Pécs, Baranya, 7623, Hungary

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Novartis Investigative Site

Debrecen, Hajdu Bihar Megye, 4032, Hungary

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Zalaegerszeg, Zala County, 8900, Hungary

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Budapest, H-1032, Hungary

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Budapest, H-1083, Hungary

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Budapest, H-1145, Hungary

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Kecskemét, 6001, Hungary

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Szeged, 6725, Hungary

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Szekszárd, 7100, Hungary

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Szombathely, H-9700, Hungary

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Tatabánya, H 2800, Hungary

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Wilton, Cork, T12 DC4A, Ireland

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County Limerick, V94 F858, Ireland

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Dublin, 533615, Ireland

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Dublin, D03 VX82, Ireland

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Dublin, DO4, Ireland

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Dublin, DUBLIN 9, Ireland

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Waterford, 48346, Ireland

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Ancona, AN, 60126, Italy

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Bergamo, BG, 24127, Italy

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Bologna, BO, 40138, Italy

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Catania, CT, 95123, Italy

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Milan, MI, 20133, Italy

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Rozzano, MI, 20089, Italy

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Palermo, PA, 90146, Italy

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Aviano, PN, 33081, Italy

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Roma, RM, 00128, Italy

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Candiolo, TO, 10060, Italy

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Naples, 80131, Italy

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Warsaw, Ul Roentgena 5, 02 781, Poland

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Bialystok, 15-027, Poland

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Gdynia, 81 519, Poland

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Gliwice, 44 101, Poland

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Grudziądz, 86 300, Poland

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Krakow, 31501, Poland

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Lodz, 90-338, Poland

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Lublin, 20 090, Poland

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Opole, 45 054, Poland

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Ostrołęka, 07-410, Poland

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Otwock, 05 400, Poland

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Wieliszew, 05-135, Poland

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Wroclaw, 02-781, Poland

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Cluj-Napoca, Cluj, 400015, Romania

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Craiova, Dolj, 200347, Romania

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Craiova, Dolj, 200535, Romania

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Bucharest, 011171, Romania

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Timișoara, 300425, Romania

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Kazan', Russian Federation, 420029, Russia

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Saint Petersburg, Sankt-Peterburg, 195271, Russia

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Chelyabinsk, 454087, Russia

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Kostroma, 156005, Russia

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Krasnoyarsk, 660022, Russia

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Moscow, 111123, Russia

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Moscow, 115522, Russia

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Moscow, 143423, Russia

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Nizhny Novgorod, 603137, Russia

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Novosibirsk, 630000, Russia

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Obninsk, 249036, Russia

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Omsk, 644013, Russia

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Orenburg, 460021, Russia

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Rostov-on-Don, 344037, Russia

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Ryazan, 390011, Russia

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Saint Petersburg, 191104, Russia

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Saint Petersburg, 197758, Russia

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Saint Petersburg, 198255, Russia

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Tyumen, 625041, Russia

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Ufa, 450054, Russia

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Yaroslavl, 150054, Russia

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Seoul, Daegu, 41404, South Korea

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Wŏnju, Gangwon-do, 26426, South Korea

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Bundang Gu, Gyeonggi-do, 13620, South Korea

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Suwon, Gyeonggi-do, 16499, South Korea

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Gyeonggi-do, Korea, 10408, South Korea

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Incheon, Korea, 405 760, South Korea

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Seoul, Korea, 02841, South Korea

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Seoul, Korea, 03080, South Korea

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Cheongju-si, North Chungcheong, 28644, South Korea

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Seoul, Yangcheon Gu, 07985, South Korea

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Incheon, 22332, South Korea

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Seongnam Gyeonggi, 463-712, 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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Seoul, 06591, South Korea

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Ulsan, 44033, South Korea

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Elche, Alicante, 03203, Spain

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Granada, Andalusia, 18014, Spain

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Huelva, Andalusia, 21005, Spain

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Jaén, Andalusia, 23007, Spain

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Vitoria-Gasteiz, Araba, 01009, Spain

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Badalona, Barcelona, 08916, Spain

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L'Hospitalet de Llobregat, Barcelona, 08907, Spain

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Manresa, Barcelona, 08242, Spain

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Sabadell, Barcelona, 08208, Spain

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Bilbao, Bizkaia, 48013, Spain

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Badajoz, Extremadura, 06080, Spain

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Cáceres, Extremadura, 10003, Spain

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Lugo, Galicia, 27003, Spain

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Donostia / San Sebastian, Gipuzkoa, 20014, Spain

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Fuenlabrada, Madrid, 28942, Spain

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Majadahonda, Madrid, 28222, Spain

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El Palmar, Murcia, 30120, Spain

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Pamplona, Navarre, 31008, Spain

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Vigo, Pontevedra, 36212, Spain

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

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Alicante, Valencia, 03550, Spain

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Valencia, Valencia, 46009, Spain

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A Coruña, 15006, Spain

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A Coruña, 15009, Spain

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Barcelona, 08035, Spain

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Barcelona, 08036, Spain

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Burgos, 09006, Spain

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Castellon, 12002, Spain

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Córdoba, 14004, Spain

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Girona, 17007, Spain

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Granada, 18016, Spain

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Las Palmas GC, 35010, Spain

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Madrid, 28009, Spain

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Madrid, 28033, Spain

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Madrid, 28034, Spain

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Madrid, 28040, Spain

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Málaga, 29010, Spain

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Murcia, 30008, Spain

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Salamanca, 37007, Spain

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Seville, 41009, Spain

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Seville, 41013, Spain

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Valencia, 46010, Spain

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Valencia, 46014, Spain

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Zaragoza, 50009, Spain

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Changhua, 50006, Taiwan

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Taichung, 40447, Taiwan

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Taichung, 407219, Taiwan

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Tainan, 704302, Taiwan

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Taipei, 10002, Taiwan

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Taipei, 103616, Taiwan

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Taipei, 10449, Taiwan

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Taipei, 11217, Taiwan

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Taoyuan District, 33305, Taiwan

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Truro, Cornwall, TR1 3LJ, United Kingdom

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Sutton, Surrey, SM2 5PT, United Kingdom

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Cardiff, CF14 2TL, United Kingdom

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London, NW1 2BU, United Kingdom

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London, SE1 9RT, United Kingdom

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London, SW3 6JJ, United Kingdom

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Nottingham, NG5 1PB, United Kingdom

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Oxford, OX3 7LE, United Kingdom

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Preston, PR2 9HT, United Kingdom

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Stoke-on-Trent, ST4 6QG, United Kingdom

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Related Publications (3)

  • Fasching PA, Stroyakovskiy D, Yardley DA, Huang CS, Crown J, Bardia A, Chia S, Im SA, Martin M, Xu B, Loi S, Barrios C, Untch M, Moroose R, Visco F, Hortobagyi GN, Slamon DJ, Fresco R, Zarate JP, Li Z, Waters S, Hurvitz SA. Ribociclib Plus Endocrine Therapy in Hormone Receptor-Positive/ERBB2-Negative Early Breast Cancer: 4-Year Outcomes From the NATALEE Randomized Clinical Trial. JAMA Oncol. 2025 Nov 1;11(11):1364-1372. doi: 10.1001/jamaoncol.2025.3700.

  • Slamon D, Lipatov O, Nowecki Z, McAndrew N, Kukielka-Budny B, Stroyakovskiy D, Yardley DA, Huang CS, Fasching PA, Crown J, Bardia A, Chia S, Im SA, Ruiz-Borrego M, Loi S, Xu B, Hurvitz S, Barrios C, Untch M, Moroose R, Visco F, Afenjar K, Fresco R, Severin I, Ji Y, Ghaznawi F, Li Z, Zarate JP, Chakravartty A, Taran T, Hortobagyi G. Ribociclib plus Endocrine Therapy in Early Breast Cancer. N Engl J Med. 2024 Mar 21;390(12):1080-1091. doi: 10.1056/NEJMoa2305488.

  • Slamon DJ, Fasching PA, Hurvitz S, Chia S, Crown J, Martin M, Barrios CH, Bardia A, Im SA, Yardley DA, Untch M, Huang CS, Stroyakovskiy D, Xu B, Moroose RL, Loi S, Visco F, Bee-Munteanu V, Afenjar K, Fresco R, Taran T, Chakravartty A, Zarate JP, Lteif A, Hortobagyi GN. Rationale and trial design of NATALEE: a Phase III trial of adjuvant ribociclib + endocrine therapy versus endocrine therapy alone in patients with HR+/HER2- early breast cancer. Ther Adv Med Oncol. 2023 May 29;15:17588359231178125. doi: 10.1177/17588359231178125. eCollection 2023.

MeSH Terms

Conditions

Breast Neoplasms

Interventions

ribociclib

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsBreast DiseasesSkin DiseasesSkin and Connective Tissue Diseases

Study Officials

  • Novartis Pharmaceuticals

    Novartis Pharmaceuticals

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR
Expanded Access
Yes

Study Record Dates

First Submitted

September 21, 2018

First Posted

October 10, 2018

Study Start

December 7, 2018

Primary Completion (Estimated)

May 29, 2030

Study Completion (Estimated)

May 29, 2030

Last Updated

April 1, 2026

Record last verified: 2026-03

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