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    Summary
    EudraCT Number:2019-001164-30
    Sponsor's Protocol Code Number:TAS-120-201
    National Competent Authority:Italy - Italian Medicines Agency
    Clinical Trial Type:EEA CTA
    Trial Status:Ongoing
    Date on which this record was first entered in the EudraCT database:2021-06-17
    Trial results
    Index
    A. PROTOCOL INFORMATION
    B. SPONSOR INFORMATION
    C. APPLICANT IDENTIFICATION
    D. IMP IDENTIFICATION
    D.8 INFORMATION ON PLACEBO
    E. GENERAL INFORMATION ON THE TRIAL
    F. POPULATION OF TRIAL SUBJECTS
    G. INVESTIGATOR NETWORKS TO BE INVOLVED IN THE TRIAL
    N. REVIEW BY THE COMPETENT AUTHORITY OR ETHICS COMMITTEE IN THE COUNTRY CONCERNED
    P. END OF TRIAL
    Expand All   Collapse All
    A. Protocol Information
    A.1Member State ConcernedItaly - Italian Medicines Agency
    A.2EudraCT number2019-001164-30
    A.3Full title of the trial
    A Phase 2 Study of TAS-120 in Metastatic Breast Cancers Harboring Fibroblast Growth Factor Receptor (FGFR) Amplifications.
    Studio di Fase 2 con il TAS-120 nel carcinoma mammario metastatico con amplificazioni del recettore del fattore di crescita dei fibroblasti (FGFR).
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    A study to evaluate the effects of TAS-120 (FGFR inhibitor) in patients with Metastatic Breast Cancers Harboring Fibroblast Growth Factor Receptor (FGFR) Amplifications.
    Studio per valutare gli effetti del TAS-120 (inibitore dell'FGFR) in pazienti affetti da carcinoma mammario metastatico con amplificazioni del recettore del fattore di crescita dei fibroblasti (FGFR).
    A.3.2Name or abbreviated title of the trial where available
    FOENIX MBC2
    FOENIX MBC2
    A.4.1Sponsor's protocol code numberTAS-120-201
    A.5.2US NCT (ClinicalTrials.gov registry) numberNCT04024436
    A.7Trial is part of a Paediatric Investigation Plan No
    A.8EMA Decision number of Paediatric Investigation Plan
    B. Sponsor Information
    B.Sponsor: 1
    B.1.1Name of SponsorTAIHO ONCOLOGY INC.
    B.1.3.4CountryUnited States
    B.3.1 and B.3.2Status of the sponsorCommercial
    B.4 Source(s) of Monetary or Material Support for the clinical trial:
    B.4.1Name of organisation providing supportTAIHO ONCOLOGY INC.
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationUnited BioSource Corporation, S.L.
    B.5.2Functional name of contact pointClinical Trials Information
    B.5.3 Address:
    B.5.3.1Street AddressRegus Maria de Molina, 8th floor Maria de Molina 39
    B.5.3.2Town/ cityMadrid
    B.5.3.3Post code28006
    B.5.3.4CountrySpain
    B.5.4Telephone number0034917434960
    B.5.5Fax number0034917428962
    B.5.6E-mailUBC.EURegulatory@ubc.com
    D. IMP Identification
    D.IMP: 1
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation No
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameTAS-120
    D.3.2Product code [TAS-120]
    D.3.4Pharmaceutical form Film-coated tablet
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPOral use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNTAS-120
    D.3.9.1CAS number 1448169-71-8
    D.3.9.2Current sponsor codeTAS-120
    D.3.9.3Other descriptive nameTAS-120
    D.3.9.4EV Substance CodeSUB130443
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number4
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin Yes
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D.3.11.3.1Somatic cell therapy medicinal product Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    D.3.11.3.3Tissue Engineered Product Information not present in EudraCT
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) Information not present in EudraCT
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product Information not present in EudraCT
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product No
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product No
    D.IMP: 2
    D.1.2 and D.1.3IMP RoleTest
    D.2 Status of the IMP to be used in the clinical trial
    D.2.1IMP to be used in the trial has a marketing authorisation Yes
    D.2.1.1.1Trade name Faslodex
    D.2.1.1.2Name of the Marketing Authorisation holderAstraZeneca
    D.2.1.2Country which granted the Marketing AuthorisationItaly
    D.2.5The IMP has been designated in this indication as an orphan drug in the Community No
    D.2.5.1Orphan drug designation number
    D.3 Description of the IMP
    D.3.1Product nameFulvestrant 250 mg (Faslodex ed altri)
    D.3.2Product code [L02BA03]
    D.3.4Pharmaceutical form Solution for injection
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPIntramuscular use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNFULVESTRANT
    D.3.9.1CAS number 129453-61-8
    D.3.9.2Current sponsor codeN/A
    D.3.9.3Other descriptive name7a-[9-[(4,4,5,5,5-Pentafluoropentyl)-sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17ß-diol
    D.3.9.4EV Substance CodeSUB13933MIG
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number250
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin Yes
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) No
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D.3.11.3.1Somatic cell therapy medicinal product Information not present in EudraCT
    D.3.11.3.2Gene therapy medical product Information not present in EudraCT
    D.3.11.3.3Tissue Engineered Product Information not present in EudraCT
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) Information not present in EudraCT
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product Information not present in EudraCT
    D.3.11.4Combination product that includes a device, but does not involve an Advanced Therapy No
    D.3.11.5Radiopharmaceutical medicinal product No
    D.3.11.6Immunological medicinal product (such as vaccine, allergen, immune serum) No
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product No
    D.3.11.10Medicinal product containing genetically modified organisms No
    D.3.11.11Herbal medicinal product No
    D.3.11.12Homeopathic medicinal product No
    D.3.11.13Another type of medicinal product No
    D.8 Information on Placebo
    E. General Information on the Trial
    E.1 Medical condition or disease under investigation
    E.1.1Medical condition(s) being investigated
    Metastatic Breast Cancers Harboring Fibroblast Growth Factor Receptor (FGFR) Amplifications
    Carcinoma mammario metastatico con amplificazioni del recettore del fattore di crescita dei fibroblasti (FGFR)
    E.1.1.1Medical condition in easily understood language
    Breast Cancers harboring amplifications of a Fibroblast Growth Factor Receptor (FGFR)
    carcinoma mammario con amplificazioni del recettore del fattore di crescita dei fibroblasti (FGFR)
    E.1.1.2Therapeutic area Diseases [C] - Cancer [C04]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 20.0
    E.1.2Level LLT
    E.1.2Classification code 10027475
    E.1.2Term Metastatic breast cancer
    E.1.2System Organ Class 100000004864
    E.1.3Condition being studied is a rare disease No
    E.2 Objective of the trial
    E.2.1Main objective of the trial
    The primary objective of this study is to assess the anti-tumor activity of TAS-120 as mono-therapy or in combination with fulvestrant in the treatment of patients with metastatic breast cancer harboring Fibroblast Growth Factor Receptor (FGFR) amplifications, as measured by:

    1. Objective response rate (ORR) in patients with centrally confirmed FGFR2 amplification and measurable disease (Cohorts 1, 2);
    2. Clinical benefit rate (CBR) in patients with centrally confirmed FGFR2 amplification and non-measurable, evaluable disease (Cohort 3); and
    3. 6-month progression-free survival (PFS) rate in patients with centrally confirmed high level FGFR1 amplification and measurable disease (Cohort 4)
    L’obiettivo primario di questo studio è di valutare l’attività antitumorale di TAS-120 in monoterapia o in combinazione con fulvestrant nel trattamento di pazienti affetti da carcinoma mammario metastatico con amplificazioni di FGFR, misurata mediante:

    1. Tasso di risposta obiettiva (ORR) in pazienti con amplificazione di FGFR2 confermato a livello centrale e malattia misurabile (Coorti 1, 2);
    2. Tasso di beneficio clinico (CBR) in pazienti con amplificazione di FGFR2 confermato a livello centrale e malattia valutabile, non misurabile, (Coorte 3); e
    3. Tasso di sopravvivenza libera da progressione (PFS) a 6 mesi in pazienti con amplificazione di FGFR1 di alto livello confermato a livello centrale e malattia misurabile (Coorte 4)
    E.2.2Secondary objectives of the trial
    Secondary:

    1. To determine the complete response (CR) rate in Cohort 3, the ORR in Cohort 4, the CBR in Cohorts 1, 2, and 4, and the 6-month PFS rate in Cohorts 1-3.
    2. To evaluate the duration of response (DOR) among patients with objective response in any cohort.
    3. To evaluate the PFS and overall survival (OS) in all cohorts.
    4. To investigate the safety of TAS-120 as monotherapy and in combination with fulvestrant.

    Exploratory:

    5. To investigate the downstream pharmacodynamic effects of treatment with TAS-120.
    6. To explore markers of response and mechanisms of resistance in tumor tissue biopsies and/or blood
    7. To explore PK of TAS-120 by population pharmacokinetics (PopPK) analysis and exposure-response analyses.
    Endpoint secondario:

    1. Determinare il tasso di risposta completa (CR) nella Coorte 3, l’ORR nella Coorte 4, il CBR nelle Coorti 1, 2 e 4, e il tasso di PFS a 6 mesi nelle Coorti 1-3.
    2. Valutare la durata della risposta (DOR) tra le pazienti con risposta obiettiva in qualsiasi coorte.
    3. Valutare la PFS e la sopravvivenza complessiva (OS) in tutte le coorti.
    4. Studiare la sicurezza di TAS-120 in monoterapia e in combinazione con fulvestrant.

    Endpoint esplorativi:

    5. Studiare gli effetti farmacodinamici a valle del trattamento con TAS-120.
    6. Esplorare i marcatori della risposta e i meccanismi di resistenza nelle biopsie del tessuto tumorale e/o nel sangue.
    7. Esplorare la farmacocinetica (PK) del TAS-120 mediante l’analisi farmacocinetica della popolazione (PopPK) e l’analisi esposizione-risposta.
    E.2.3Trial contains a sub-study No
    E.3Principal inclusion criteria
    1. Patient provides written informed consent.

    2. Patient is =18 years of age (or meets the country’s regulatory definition for legal adult age, whichever is greater)

    3. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1.

    4. Histologically or cytologically confirmed recurrent locally advanced or metastatic breast cancer not amenable to treatment with curative intent, meeting all of the criteria for 1 of the following cohorts:

    A. Cohort 1

    i. HR+ HER2- breast cancer harboring an FGFR2 gene amplification. HR+ HER2- breast cancer is defined per the local pathology report as estrogen receptor (ER) >1% and/or progesterone receptor (PR) >1%, HER2-negative per American Society of Clinical Oncology (ASCO) and the College of American Pathologists (CAP) guidelines, 2018.

    ii. Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1

    iii. Has received 1-3 prior endocrine-containing therapies and up to 2 prior chemotherapy regimens for advanced/metastatic disease

    iv. Has received prior treatment with a CDK4/6 inhibitor or is ineligible for such treatment (per Investigator decision)

    v. Has experienced disease progression/recurrence within 1 month following the completion of any endocrine therapy for advanced/metastatic breast cancer

    B. Cohort 2

    i. TNBC harboring an FGFR2 gene amplification. TNBC is defined as negative for ER, PR and HER2. Negative for ER and PR includes the following: local pathology report classifies them as negative, Allred Score of 2 or below or <1% staining. HER2-negative per ASCO / CAP guidelines, 2018.

    ii. Measurable disease per RECIST 1.1

    iii. Has received at least 1 prior chemotherapy regimen for advanced/metastatic disease

    iv. Has experienced disease progression/recurrence during or after the most recent prior chemotherapy for advanced/metastatic breast cancer

    C. Cohort 3

    i. TNBC or HR+ HER2- breast cancer (defined as above) harboring an FGFR2 gene amplification

    ii. Non-measurable, evaluable disease per RECIST 1.1. Patients with bone-only disease must have lytic or mixed lytic-blastic lesions

    iii. Other criteria for either HR+ HER2- breast cancer or TNBC should be met as described for Cohort 1 and 2, respectively

    D. Cohort 4

    i. HR+ HER2- breast cancer (defined as above) harboring an FGFR1 high-level gene amplification as defined in Section 6.1.1.1

    ii. Measurable disease per RECIST 1.1

    iii. Has received 1-2 prior endocrine-containing therapies and no more than 1 prior chemotherapy regimen for advanced/metastatic disease. Prior treatment with fulvestrant is not permitted.

    iv. Has received prior treatment with a CDK4/6 inhibitor or is ineligible for such treatment (per Investigator decision)

    (Only 4000 characters are allowed in this box. For more inclusion criteria's please refer to Section 4 of the Study Protocol TAS-120-201, version 2.0)
    1. La paziente deve fornire il consenso informato scritto.

    2. La paziente deve avere età =18 anni (o rientrare nella definizione giuridica di maggiore età nel Paese, a seconda di quale sia l’età maggiore)

    3. Stato di performance 0-1 secondo la classificazione del Gruppo cooperativo orientale di oncologia (ECOG).

    4. Carcinoma mammario localmente avanzato o metastatico ricorrente confermato a livello istologico o citologico, non idoneo a trattamento con intento curativo, che soddisfa tutti i criteri per 1 delle seguenti coorti:

    A. Coorte 1

    i. Carcinoma mammario positivo al recettore ormonale (HR+) e negativo al recettore del fattore di crescita epidermico umano 2 (HER2-) con amplificazione genica di FGFR2. Il carcinoma mammario HR+ HER2-, secondo la definizione data nel referto patologico locale, deve presentare recettore degli estrogeni (ER) >1% e/o recettore del progesterone (PR) >1%, essere HER2- negativo in base alle linee guida 2018 della Società Americana di Oncologia Clinica (ASCO) e del Consiglio dei Patologi Americani (CAP)

    ii. Malattia misurabile secondo i Criteri di valutazione della risposta nei tumori solidi (RECIST), versione 1.1

    iii. Essersi sottoposta a 1-3 precedenti terapie endocrine e un massimo di 2 precedenti regimi chemioterapici per malattia avanzata/metastatica

    iv. Essersi sottoposta a trattamento precedente con un inibitore di CDK4/6 o non essere idonea a tale trattamento (secondo la decisione dello Sperimentatore)

    v. Aver manifestato progressione della malattia/recidiva entro 1 mese dopo il completamento di qualsiasi terapia endocrina per carcinoma mammario avanzato/metastatico

    B. Coorte 2

    i. Carcinoma mammario triplo negativo (TNBC) con amplificazione genica di FGFR2. Il TNBC è definito come negativo a ER, PR e HER2. La negatività a ER e PR include quanto segue: negatività secondo la classificazione del referto patologico locale e punteggio Allred pari o inferiore a 2 o <1% di colorazione. HER2-negativo in base alle linee guida 2018 ASCO/CAP.

    ii. Malattia misurabile secondo il RECIST 1.1

    iii. Aver ricevuto almeno 1 precedente regime chemioterapico o chemioterapico/immunoterapico (inibitori di PD-L1/PD-1) per malattia avanzata/metastatica

    iv. Aver manifestato progressione della malattia/recidiva durante o dopo la chemioterapia pregressa più recente per il carcinoma mammario avanzato/metastatico

    C. Coorte 3

    i. TNBC o carcinoma mammario HR+ HER2- (secondo la definizione di cui sopra) con amplificazione genica di FGFR2

    ii. Malattia valutabile, non misurabile secondo i RECIST 1.1. I pazienti con malattia esclusivamente ossea devono presentare lesioni litiche o litiche-blastiche miste

    iii. Altri criteri per il carcinoma mammario HR+ HER2- o il TNBC devono essere soddisfatti come descritto, rispettivamente, per la Coorte 1 e 2

    D. Coorte 4

    i. Carcinoma mammario HR+ HER2- (secondo la definizione di cui sopra) con amplificazione genica di FGFR1 di alto livello, come definito in sezione 6.1.1.1.

    ii. Malattia misurabile secondo i RECIST 1.1

    iii. Essersi sottoposta a 1-2 precedenti terapie endocrine e a non più di 1 precedente regime chemioterapico per malattia avanzata/metastatica. Non è consentito un precedente trattamento con fulvestrant.

    iv. Essersi sottoposta a trattamento precedente con un inibitore di CDK4/6 o non essere idonea a tale trattamento (secondo la decisione dello Sperimentatore)

    (Solo 4000 caratteri sono ammessi in questa sezione. Per ulteriori criteri di inclusione, consultare la sezione 4 del Protocollo TAS-120-201, versione 2.0)
    E.4Principal exclusion criteria
    1. History and/or current evidence of any of the following disorders:

    a. Non-tumor related alteration of the calcium-phosphorus homeostasis that is considered clinically significant in the opinion of the Investigator

    b. Ectopic mineralization/calcification, including but not limited to soft tissue, kidneys, intestine, or myocardia and lung, considered clinically significant in the opinion of the Investigator

    c. Retinal or corneal disorder confirmed by retinal/corneal examination and considered clinically significant in the opinion of the Investigator.

    2. Corrected QT interval using Fridericia’s formula (QTcF) >470 msec. Patients with an atrioventricular pacemaker or other condition (for example, right bundle branch block) that renders the QT measurement invalid are an exception and the criterion does not apply.

    3. Treatment with any of the following within the specified time frame prior to the first dose of TAS-120:

    a. Major surgery within 4 weeks (the surgical incision should be fully healed)

    b. Radiotherapy for extended field within 4 weeks or limited field radiotherapy within 2 weeks

    c. Any prior systemic therapy regardless of the stop date, but the patient must have recovered to eligibility levels from prior toxicity

    d. Any investigational agent received within 30 days or 5 half-lives (whichever is shorter)

    4. Prior treatment with an FGFR inhibitor

    5. Cohort 4 only: Prior treatment with fulvestrant, or known hypersensitivity to fulvestrant.

    6. A serious illness or medical condition(s) including but not limited to the following:

    a. Known acute systemic infection

    b. Myocardial infarction, severe/unstable angina, or symptomatic congestive heart failure within the previous 6 months

    c. History or current evidence of serious uncontrolled ventricular arrhythmia

    d. Chronic diarrhea diseases considered to be clinically significant in the opinion of the Investigator

    e. Congenital long QT syndrome, or any known history of torsade de pointes, or family history of unexplained sudden death

    f. Other severe acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or TAS-120 administration, or may interfere with the interpretation of study results, and in the judgment of the Investigator would make the patient inappropriate for entry into this study

    7. Brain metastases that are untreated or clinically or radiologically unstable (that is, have been stable for <1 month)

    8. History of another primary malignancy that is currently clinically significant or currently requires active intervention

    9. Pregnant or lactating female
    1. Anamnesi e/o attuale evidenza di una qualsiasi delle seguenti patologie:

    a. Alterazione dell’omeostasi calcio-fosforo non correlata a tumore, considerata clinicamente significativa secondo l’opinione dello Sperimentatore

    b. Mineralizzazione/calcificazione ectopica, anche, a titolo esemplificativo ma non esaustivo, a livello di tessuto molle, reni, intestino, miocardio o polmoni, considerata clinicamente significativa secondo l’opinione dello Sperimentatore

    c. Patologia retinica o corneale, confermata mediante esame della retina/cornea e considerata clinicamente significativa secondo l’opinione dello Sperimentatore.

    2. Intervallo QT corretto utilizzando la formula di Fridericia (QTcF) >470 msec. Le pazienti con pacemaker atrioventricolare, o altra condizione (per esempio, blocco di branca destra) che invalida la misurazione del tratto QT, sono un’eccezione e il criterio non si applica.

    3. Trattamento con uno qualsiasi dei seguenti agenti entro il periodo di tempo specificato prima della prima dose di TAS-120:

    a. Intervento di chirurgia maggiore entro le 4 settimane precedenti (l’incisione chirurgica deve essere completamente cicatrizzata)

    b. Radioterapia a campo esteso entro le 4 settimane precedenti o radioterapia a campo limitato entro le 2 settimane precedenti

    c. Qualsiasi precedente terapia sistemica sia stata somministrata, a prescindere dalla data di conclusione; a condizione che la paziente sia però tornata ai livelli di idoneità precedenti alla tossicità manifestata.

    d. Qualsiasi agente sperimentale assunto entro i 30 giorni oentro 5 volte il tempo di emivita (a seconda di quale periodo sia il più breve)

    4. Precedente trattamento con un inibitore di FGFR

    5. Per la sola Coorte 4: Precedente trattamento con fulvestrant o nota ipersensibilità a fulvestrant.

    6. Malattie o situazioni cliniche serie, tra cui, a titolo esemplificativo ma non esaustivo:

    a. Infezione sistemica acuta nota

    b. Infarto miocardico, angina grave/instabile o insufficienza cardiaca congestizia sintomatica nei 6 mesi precedenti

    c. Anamnesi o attuale evidenza di aritmia ventricolare grave non controllata

    d. Diarrea cronica considerata clinicamente significativa secondo l’opinione dello Sperimentatore

    e. Sindrome congenita del QT lungo o nota anamnesi di torsade de pointes (torsione di punta) o anamnesi familiare di decesso improvviso inspiegabile

    f. Altra grave condizione medica o psichiatrica acuta o cronica o anomalia di laboratorio che potrebbe aumentare il rischio associato alla partecipazione allo studio o alla somministrazione di TAS-120 o che potrebbe interferire con l’interpretazione dei risultati dello studio e, secondo l’opinione dello Sperimentatore, renderebbe il paziente inadatto all’ingresso in questo studio

    7. Metastasi cerebrali non trattate o clinicamente o radiologicamente instabili (che siano state stabili per <1 mese).

    8. Anamnesi di altra neoplasia primaria, che attualmente sia clinicamente significativa o richieda intervento attivo

    9. Donne in gravidanza o allattamento
    E.5 End points
    E.5.1Primary end point(s)
    1. Objective response rate (ORR), defined as the proportion of patients with a confirmed response of either complete response (CR) or partial response (PR) per Investigator assessment.

    2. Clinical benefit rate (CBR), defined as the proportion of patients with a confirmed response of CR, or stable disease (SD) lasting at least 24 weeks, per Investigator assessment.

    3. 6-month progression-free survival (PFS) rate, defined as the proportion of patients who are alive and progression-free 6 months after the first dose of study therapy.
    1. ORR: definito come la percentuale di pazienti con una risposta confermata di CR o PR secondo la valutazione dello Sperimentatore.

    2. CBR: definito come la percentuale di pazienti con una risposta confermata di CR o SD della durata di almeno 24 settimane, in base alla valutazione dello Sperimentatore.

    3.Tasso di sopravvivenza senza progressione di malattia a 6 mesi (PFS): definito come la percentuale di pazienti vive e senza progressione a 6 mesi dalla prima dose del farmaco in studio.
    E.5.1.1Timepoint(s) of evaluation of this end point
    1,2&3) At baseline and at the end of every 8 weeks/2 cycles (±1 week) or as clinically indicated until disease progression, death, or withdrawal of consent, and at the end of therapy.
    1,2 & 3) saranno eseguite al basale e alla fine di ogni 8 settimane/2 cicli (±1 settimana), o come clinicamente indicato fino a progressione di malattia, decesso o ritiro del consenso, ed al termine della terapia.
    E.5.2Secondary end point(s)
    Secondary:

    1) To determine the complete response (CR) rate in Cohort 3, the ORR in Cohort 4, the CBR in Cohorts 1, 2, and 4, and the 6-month PFS rate in Cohorts 1-3.

    2) To evaluate the duration of response (DOR) among patients with objective response in any cohort.

    3) To evaluate the PFS and overall survival (OS) in all cohorts.

    4) To investigate the safety of TAS-120 as monotherapy and in combination with fulvestrant.

    Exploratory:

    1) To investigate the downstream pharmacodynamic effects of treatment with TAS-120.

    2) To explore markers of response and mechanisms of resistance in tumor tissue biopsies and/or blood.

    3) To explore PK of TAS-120 by population pharmacokinetic (PopPK) analysis and exposure-response analyses.
    Endpoint secondario

    1. Determinare il tasso di risposta completa (CR) nella Coorte 3, l’ORR nella Coorte 4, il CBR nelle Coorti 1, 2 e 4, e il tasso di PFS a 6 mesi nelle Coorti 1-3.

    2. Valutare la durata della risposta (DOR) tra le pazienti con risposta obiettiva in qualsiasi coorte.

    3. Valutare la PFS e la sopravvivenza complessiva (OS) in tutte le coorti.

    4. Studiare la sicurezza di TAS-120 in monoterapia e in combinazione con fulvestrant.

    Endpoint esplorativi

    1. Studiare gli effetti farmacodinamici a valle del trattamento con TAS-120.

    2. Studiare i marcatori della risposta e i meccanismi di resistenza nelle biopsie del tessuto tumorale e/o nel sangue.

    3. Studiare la farmacocinetica (PK) del TAS-120 mediante l’analisi farmacocinetica della popolazione (PopPK) e l’analisi esposizione-risposta.
    E.5.2.1Timepoint(s) of evaluation of this end point
    Secondary:

    1,2,3& 4) At baseline and at the end of every 8 weeks/2 cycles (±1 week) or as clinically indicated until disease progression, death, or withdrawal of consent, and at the end of therapy.

    Exploratory:

    5&6) prior to the first TAS-120 administration on Day 1 of Cycle 1, on Day 1 of each alternative uneven cycle (Cycle 3, 5, 7 and ongoing), at time of disease progression, and at the end of trial (EOT) visit.

    7) Cycle 2, Day 1 (C2-D1), within 1 hour prior to dosing and at 2 hours (±1 hour) and 5 hours (at least 3 hours apart from sampling at 2 hours) post dose.
    Secondari:

    1,2,3 e 4) Al basale e alla fine di ogni 8 settimane / 2 cicli (± 1 settimana) o come clinicamente indicato fino a progressione di malattia, alla morte o alla revoca del consenso e alla fine della terapia.

    Esplorativi:

    5 e 6) prima della somministrazione iniziale di TAS-120 al giorno 1 del ciclo 1, al giorno 1 di ciascun ciclo dispari alternato (ciclo 3, 5, 7 e in corso), al momento della progressione della malattia e alla fine della visita finale (EOT).

    7) Ciclo 2, Giorno 1 (C2-D1), entro 1 ora prima della somministrazione, a 2 ore (± 1 ora), a 5 ore (almeno 3 ore dopo il prelievo a 2 ore) dopo la somministrazione.
    E.6 and E.7 Scope of the trial
    E.6Scope of the trial
    E.6.1Diagnosis No
    E.6.2Prophylaxis No
    E.6.3Therapy No
    E.6.4Safety Yes
    E.6.5Efficacy Yes
    E.6.6Pharmacokinetic Yes
    E.6.7Pharmacodynamic Yes
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others No
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) No
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other No
    E.7.1.3.1Other trial type description
    E.7.2Therapeutic exploratory (Phase II) Yes
    E.7.3Therapeutic confirmatory (Phase III) No
    E.7.4Therapeutic use (Phase IV) No
    E.8 Design of the trial
    E.8.1Controlled Yes
    E.8.1.1Randomised No
    E.8.1.2Open Yes
    E.8.1.3Single blind No
    E.8.1.4Double blind No
    E.8.1.5Parallel group No
    E.8.1.6Cross over No
    E.8.1.7Other No
    E.8.2 Comparator of controlled trial
    E.8.2.1Other medicinal product(s) Yes
    E.8.2.2Placebo No
    E.8.2.3Other No
    E.8.2.4Number of treatment arms in the trial4
    E.8.3 The trial involves single site in the Member State concerned No
    E.8.4 The trial involves multiple sites in the Member State concerned Yes
    E.8.4.1Number of sites anticipated in Member State concerned7
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA70
    E.8.6 Trial involving sites outside the EEA
    E.8.6.1Trial being conducted both within and outside the EEA Yes
    E.8.6.2Trial being conducted completely outside of the EEA Information not present in EudraCT
    E.8.6.3If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned
    Canada
    United States
    France
    Italy
    Portugal
    Spain
    United Kingdom
    E.8.7Trial has a data monitoring committee No
    E.8.8 Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial
    LVLS
    LVLS
    E.8.9 Initial estimate of the duration of the trial
    E.8.9.1In the Member State concerned years1
    E.8.9.1In the Member State concerned months6
    E.8.9.1In the Member State concerned days0
    E.8.9.2In all countries concerned by the trial years1
    E.8.9.2In all countries concerned by the trial months0
    E.8.9.2In all countries concerned by the trial days0
    F. Population of Trial Subjects
    F.1 Age Range
    F.1.1Trial has subjects under 18 No
    F.1.1.1In Utero No
    F.1.1.2Preterm newborn infants (up to gestational age < 37 weeks) No
    F.1.1.3Newborns (0-27 days) No
    F.1.1.4Infants and toddlers (28 days-23 months) No
    F.1.1.5Children (2-11years) No
    F.1.1.6Adolescents (12-17 years) No
    F.1.2Adults (18-64 years) Yes
    F.1.2.1Number of subjects for this age range: 84
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 84
    F.2 Gender
    F.2.1Female Yes
    F.2.2Male Yes
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations Yes
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception Yes
    F.3.3.3Pregnant women No
    F.3.3.4Nursing women No
    F.3.3.5Emergency situation No
    F.3.3.6Subjects incapable of giving consent personally No
    F.3.3.7Others No
    F.4 Planned number of subjects to be included
    F.4.1In the member state21
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 100
    F.4.2.2In the whole clinical trial 168
    F.5 Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)
    Following Study Completion, patients still receiving and deriving benefit from study therapy in the opinion of the Investigator and Sponsor will be permitted to continue treatment in a Study Extension phase. During the Study Extension, patients may receive treatment until withdrawal criteria are met.
    Dopo il completamento dello studio, i pazienti che continuano a ricevere e trarre beneficio dalla terapia in studio, secondo l'opinione dello sperimentatore e dello sponsor, saranno autorizzati a continuare il trattamento in una fase di estensione dello studio. Durante l'estensione dello studio, i pazienti potranno ricevere il trattamento, fino a quando non viene raggiunto un criterio di esclusione.
    G. Investigator Networks to be involved in the Trial
    N. Review by the Competent Authority or Ethics Committee in the country concerned
    N.Competent Authority Decision Authorised
    N.Date of Competent Authority Decision2020-06-18
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2020-04-22
    P. End of Trial
    P.End of Trial StatusOngoing
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