Last updated 26 days ago

A Study Evaluating the Efficacy and Safety of Inavolisib Plus Fulvestrant Compared With Alpelisib Plus Fulvestrant in Participants With HR-Positive, HER2-Negative, PIK3CA Mutated, Locally Advanced or Metastatic Breast Cancer Post CDK4/6i and Endocrine Combination Therapy

400 patients around the world
Available in Brazil, United States, Mexico, Argentina
Hoffmann-La Roche
18Research sites
400Patients around the world

This study is for people with

Breast Cancer

Requirements for the patient

From 18 Years
All Gender

Medical requirements

If pre/perimenopausal women and men treatment with luteinizing hormone-releasing hormone (LHRH) agonist therapy beginning at least 2 weeks prior to Day 1 of Cycle 1
Histologically or cytologically confirmed adenocarcinoma of the breast that is locally advanced or metastatic and is not amenable to surgical or radiation therapy with curative intent
Documented HR +/ HER2- tumor according to American Society of Clinical Oncology/College of American Pathologists (ASCO/CAP) guidelines
Confirmation of biomarker eligibility: detection of specified mutation(s) of PIK3CA via specified test
Disease progression after or during treatment with a combination of CDK4/6i and endocrine therapy: <= 2 prior lines of systemic therapy in mBC setting; CDK4/6i based therapy does not need to be the last one received prior study entry; one line of chemotherapy in mBC setting allowed
Measurable or evaluable disease per Response Evaluation Criteria in Solid Tumors version 1.1 (RECIST v1.1)
Participants for whom endocrine-based therapy is recommended and treatment with cytotoxic chemotherapy is not indicated at time of entry into the study, as per national or local treatment guidelines
Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1, or 2
Life expectancy of > 6 months
Adequate hematologic and organ function prior to initiation of study treatment
Metaplastic breast cancer
Prior treatment in locally advanced or metastatic setting with any PI3K, AKT, or mTOR inhibitor or any agent whose mechanism of action is to inhibit the PI3K/-AKT/-mTOR pathway
Participant who relapsed with documented evidence of progression > 12 months from completion of adjuvant CDK4/6i based therapy with no treatment for metastatic disease
Pregnant, lactating, or breastfeeding, or intending to become pregnant during the study or at least 60 days after the final dose of study treatment
Type 2 diabetes requiring ongoing systemic treatment at the time of study entry; or any history of Type 1 diabetes
Inability or unwillingness to swallow pills
Malabsorption syndrome or other condition that would interfere with enteral absorption
Any history of leptomeningeal disease or carcinomatous meningitis
Known and untreated, or active central nervous system (CNS) metastases. Participants with a history of treated CNS metastases are eligible if they meet specific certain criteria
Known active, systemic infection at study enrollment, or any major episode of infection requiring treatment with intravenous antibiotics or hospitalization within 7 days prior to Day 1 of Cycle 1
Any concurrent ocular or intraocular condition that, in the opinion of the investigator, would require medical or surgical intervention during the study period to prevent or treat vision loss that might result from that condition
Active inflammatory or infectious conditions in either eye or history of idiopathic or autoimmune-associated uveitis in either eye
Requirement for daily supplemental oxygen
Symptomatic active lung disease, including pneumonitis
History of or active inflammatory bowel disease
Any active bowel inflammation
Clinically significant and active liver disease, including severe liver impairment, viral or other hepatitis, current alcohol abuse, or cirrhosis
Participants with known human immunodeficiency virus infection that meet specific criteria
Investigational drug(s) within 4 weeks before randomization or within 5 half-lives of the investigational drug(s), whichever is longer
History of other malignancy within 5 years prior to screening, except for cancers with very low risk of recurrence
Chronic therapy of >= 10 mg of prednisone per day or an equivalent dose of other anti-inflammatory corticosteroids or immunosuppressants for a chronic disease
Allergy or hypersensitivity to components or excipients of the inavolisib, fulvestrant, or alpelisib formulations
History of severe cutaneous reactions like Stevens-Johnson Syndrome, Erythema Multiforme, Toxic Epidermal Necrolysis, or Drug Reaction with Eosinphilia and Systemic Symptoms
Active ongoing osteonecrosis of the jaw

Sites

Centro Polivalente de Asistencia e Investigación Clínica - CER San Juan
Centro Polivalente de Asistencia e Investigación Clínica - CER San Juan
Recruiting
Laprida 532 Este, San Juan
Centro de Investigaciones Clínicas - Clínica Viedma - Río Negro
Centro de Investigaciones Clínicas - Clínica Viedma - Río Negro
Recruiting
25 de mayo 174, Viedma, Río Negro
Hospital Provincial del Centenario - Rosario, Santa Fe
Recruiting
Urquiza 3101, Rosario, Santa Fe
Fundación Cori para la Investigación y Prevención del Cáncer - La Rioja
Recruiting
Dorrego 269, La Rioja
Fundación CENIT para la Investigación en Neurociencias
Recruiting
Juncal 2222, C1125 CABA, Argentina
Centro Oncológico Korben
Recruiting
Cdad. de La Paz 353, C1426 CABA, Argentina
Instituto de Oncología de Rosario - IOR
Recruiting
Córdoba 2457, Rosario, Santa Fe
Sanatorio Allende (Nueva Córdoba)
Recruiting
Hipolito Yrigoyen 384, Córdoba
Irmandade da Santa Casa de Misericórdia de Porto Alegre
Recruiting
Rua Professor Annes Dias - Centro Histórico, Porto Alegre - RS, 90020-090, Brazil
Hospital De Base de São José do Rio Preto - CIP São José
Recruiting
São José Do Rio Preto, São Paulo, 15090-000
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