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Studie av LEE011, BYL719 og Letrozol i avansert ER+ brystkreft

17. september 2026 oppdatert av: Novartis Pharmaceuticals

En fase Ib/II, multisenterstudie av kombinasjonen av LEE011 og BYL719 med Letrozol hos voksne pasienter med avansert ER+ brystkreft

The purpose of this trial is to inform the future clinical development of the two investigational agents in ER+ breast cancer, LEE011 (CDK4/6 inhibitor) and BYL719 (PI3K-alpha inhibitor).

This is a multi-center, open-label Phase Ib study. The Phase Ib dose escalation will estimate the MTD and/or RP2D for three regimens: two double combinations, LEE011 with letrozole and BYL719 with letrozole, followed by triple combinations of LEE011 + BYL719 with letrozole (Arms 3 and 4).

The Phase Ib dose escalation part will be followed by Phase Ib dose expansions to further characterize the safety, tolerability, PK and preliminary clinical anti-tumor activity of the combinations. Optional crossover for patients who have progressed while on dose escalation or dose expansion with doublet treatment on Arms 1 or 2 to be treated with the triplet combination (Arm 3) after the determination of the RP2D for Arm 3; is no longer permitted after protocol amendment 6.

Approximately 270 adult women with ER+/HER2- locally advanced or metastatic breast cancer will be enrolled.

Studieoversikt

Status

Aktiv, ikke rekrutterende

Forhold

Studietype

Intervensjonell

Registrering (Faktiske)

259

Fase

  • Fase 2
  • Fase 1

Utvidet tilgang

Tilgjengelig utenfor den kliniske utprøvingen. Se utvidet tilgangspost.

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

    • New South Wales
      • Westmead, New South Wales, Australia, 2145
        • Novartis Investigative Site
    • Victoria
      • Parkville, Victoria, Australia, 3050
        • Novartis Investigative Site
    • Western Australia
      • Nedlands, Western Australia, Australia, 6009
        • Novartis Investigative Site
    • California
      • San Diego, California, Forente stater, 92103
        • Univ of California at San Diego Moores Cancer Ctr
      • San Francisco, California, Forente stater, 94143
        • UCSF Medical Center
    • Florida
      • Tampa, Florida, Forente stater, 33612
        • H Lee Moffitt Cancer Center and Research Institute
    • Massachusetts
      • Boston, Massachusetts, Forente stater, 02114
        • Massachusetts General Hospital
      • Boston, Massachusetts, Forente stater, 02114
        • Massachusetts General Hospital SC-5
    • Tennessee
      • Nashville, Tennessee, Forente stater, 37203
        • Tennessee Oncology
      • Nashville, Tennessee, Forente stater, 37232
        • Vanderbilt University Medical Ctr
    • Texas
      • Amarillo, Texas, Forente stater, 79124
        • Texas Oncology
      • San Antonio, Texas, Forente stater, 78229
        • Mays Cancer Ctr Uthsa Mdacc
    • Washington
      • Tacoma, Washington, Forente stater, 98405
        • Northwest Medical Specialties
      • Marseille, Frankrike, 13273
        • Novartis Investigative Site
      • Paris, Frankrike, 75475
        • Novartis Investigative Site
      • Saint-Herblain, Frankrike, 44805
        • Novartis Investigative Site
    • PI
      • Pisa, PI, Italia, 56126
        • Novartis Investigative Site
      • Madrid, Spania, 28050
        • Novartis Investigative Site
      • Madrid, Spania, 28009
        • Novartis Investigative Site
      • Seville, Spania, 41013
        • Novartis Investigative Site
      • Valencia, Spania, 46010
        • Novartis Investigative Site
      • Glasgow, Storbritannia, G12 0YN
        • Novartis Investigative Site
      • Manchester, Storbritannia, M20 2BX
        • Novartis Investigative Site
      • Bellinzona, Sveits, 6500
        • Novartis Investigative Site
      • Seoul, Sør -Korea, 03080
        • Novartis Investigative Site

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

18 år til 100 år (Voksen, Eldre voksen)

Tar imot friske frivillige

Nei

Kjønn som er kvalifisert for studier

Hunn

Beskrivelse

Inclusion Criteria:

  • Postmenopausal, Estrogen-receptor positive and/or Progesterone-receptor positive breast cancer
  • Phase Ib dose escalation only: Any number of prior lines of endocrine therapy is allowed with the exception of cytotoxic therapy which is limited to one prior line administered in the advanced (metastatic or locally advanced) setting.
  • Phase Ib dose expansions Arms 1, 2 and 3
  • No prior systemic treatment in the advanced (metastatic or locally advanced) setting with the exception of treatment with letrozole for a maximum of one month prior to starting study treatment.
  • Patients who received (neo)adjuvant therapy for breast cancer are eligible. Prior therapy with letrozole or anastrozole in the (neo)adjuvant setting is permitted if the disease-free interval is greater than 12 months from the completion of treatment.

Exclusion Criteria:

  • HER2-overexpression in the patient's tumor tissue
  • Patients with active CNS or other brain metastases
  • Major surgery within 2 weeks
  • Acute or chronic pancreatitis
  • Bilateral diffuse lymphangitic carcinomatosis
  • Another malignancy within 3 years
  • Receiving hormone replacement therapy that cannot be discontinued
  • Impaired cardiac function
  • Patients with clinically manifest diabetes mellitus (treated and/or clinical signs or with fasting glucose ≥ 126 mg/dL / 7.0 mmol/L or hemoglobin A1c >6.5%), history of gestational diabetes mellitus or documented steroid-induced diabetes mellitus.
  • Other protocol-defined inclusion/exclusion criteria may apply

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: LEE011 + letrozole Arm 1

LEE011 - 28 day cycles (21 days followed by a 7 day break - dose escalating), letrozole - 2.5 mg/day

LEE011 - 28 day cycles (21 days followed by a 7 day break) for Arms 1, 3. LEE011 28 days cycles (continuous) Arm 4.

Letrozole 2.5 mg/day

Eksperimentell: BYL719 + letrozole Arm 2

BYL719 - daily (dose escalating) letrozole - 2.5 mg/day

Letrozole 2.5 mg/day

BYL719 - 28 days cycle (continuous) for Arm 2; 3 and 4

Eksperimentell: LEE011 + BYL719 + letrozole Arm 3

LEE011 - 28 day cycles (21 days followed by a 7 day break -dose escalating), BYL719 - daily (dose escalating), letrozole 2.5 mg/day

LEE011 - 28 day cycles (21 days followed by a 7 day break) for Arms 1, 3. LEE011 28 days cycles (continuous) Arm 4.

Letrozole 2.5 mg/day

BYL719 - 28 days cycle (continuous) for Arm 2; 3 and 4

Eksperimentell: LEE011+ BYL719+letrozole Arm 4

LEE011-daily (dose escalating), BYL719 -daily (dose escalating), letrozole 2.5 mg/day

LEE011 - 28 day cycles (21 days followed by a 7 day break) for Arms 1, 3. LEE011 28 days cycles (continuous) Arm 4.

Letrozole 2.5 mg/day

BYL719 - 28 days cycle (continuous) for Arm 2; 3 and 4

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Forekomst av dosebegrensende toksisiteter (DLT) - Kun fase lb
Tidsramme: 28 dager
28 dager
Safety and tolerability
Tidsramme: Average 18 months

Adverse Events (AEs), serious AEs (SAEs), changes in hematology and chemistry values, vital signs, electrocardiograms (ECGs), dose interruptions, reductions and dose intensity.

Average 18 months
PK profiles of LEE011 and letrozole
Tidsramme: 18 months

To characterize PK profiles of LEE011 and Letrozole.

18 months

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Safety and tolerability of LEE011 in combination with letrozole, BYL719 in combination with letrozole, and the triple combination of LEE011 +BYL719 with letrozole
Tidsramme: Average 24 months

Safety and tolerability will be determined by type, frequency and severity of adverse events and laboratory abnormalities per Common Terminology Criteria for Adverse Events (CTCAE) version 4.03

Average 24 months
Plasma concentration-time profiles of LEE011, BYL719 and letrozole
Tidsramme: Average 24 months

To characterize the PK profiles of LEE011, BYL719, and letrozole when used in combination as well as to evaluate any other clinically significant metabolites that may be identified.

Average 24 months
Overall Response Rate (ORR)
Tidsramme: Average 24 months

ORR is defined as the proportion of patients with a best overall response of complete response or partial response.

Average 24 months
Duration of Response (DOR)
Tidsramme: Average 24 months

DOR is calculated as the time from the date of first documented response (complete response (CR) or partial response (PR)) to the first documented date of progression or death due to underlying cancer.

Average 24 months
Progression Free Survival (PFS)
Tidsramme: Average 24 months

PFS is the time from date of randomization/start of treatment to the date of event defined as the first documented progression or death due to any cause.

Average 24 months
Pharmacokinetics (PK) parameters, including but not limited to AUCtau, Cmin, Cmax, Tmax, accumulation ratio (Racc)
Tidsramme: Average 24 months

To characterize the PK profiles of LEE011, BYL719, and letrozole when used in combination as well as to evaluate any other clinically significant metabolites that may be identified.

Average 24 months
Safety and tolerability of the triple combination of LEE011 +BYL719 with letrozole in patients previously treated with either doublet
Tidsramme: Average 24 months

Safety and tolerability will be determined by type, frequency and severity of adverse events and laboratory abnormalities per Common Terminology Criteria for Adverse Events (CTCAE) version 4.03

Average 24 months

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Etterforskere

  • Studieleder: Novartis Pharmaceuticals, Novartis Pharmaceuticals

Publikasjoner og nyttige lenker

Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

22. oktober 2013

Primær fullføring (Antatt)

26. februar 2027

Studiet fullført (Antatt)

26. februar 2027

Datoer for studieregistrering

Først innsendt

30. mai 2013

Først innsendt som oppfylte QC-kriteriene

4. juni 2013

Først lagt ut (Antatt)

7. juni 2013

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

18. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

17. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Andre studie-ID-numre

  • CLEE011X2107
  • 2023-509511-84-00 (Registeridentifikator: EU CT Number)
  • 2023 (U.S. NIH-stipend/kontrakt)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

JA

IPD-planbeskrivelse

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

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .

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