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    Summary
    EudraCT Number:2016-002312-41
    Sponsor's Protocol Code Number:MK-3475-365
    National Competent Authority:Spain - AEMPS
    Clinical Trial Type:EEA CTA
    Trial Status:Temporarily Halted
    Date on which this record was first entered in the EudraCT database:2016-08-17
    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 ConcernedSpain - AEMPS
    A.2EudraCT number2016-002312-41
    A.3Full title of the trial
    Phase Ib/II Trial of Pembrolizumab (MK-3475) Combination Therapies in Metastatic Castration-Resistant Prostate Cancer (mCRPC) (KEYNOTE-365)
    Ensayo de fase Ib/II de tratamientos combinados con pembrolizumab (MK-3475) en el cáncer de próstata resistente a la castración metastásico (CPRCm) (KEYNOTE-365)
    A.3.1Title of the trial for lay people, in easily understood, i.e. non-technical, language
    Phase Ib/II Trial of Pembrolizumab (MK-3475) Combination Therapies in
    mCRPC (KEYNOTE-365)
    Ensayo de fase Ib/II de tratamientos combinados con pembrolizumab (MK-3475) en el CPRCm (KEYNOTE-365)
    A.3.2Name or abbreviated title of the trial where available
    Phase Ib/II Trial of Pembrolizumab (MK-3475) Combination Therapies in mCRPC (KEYNOTE-365)
    Ensayo de fase Ib/II de tratamientos combinados con pembrolizumab (MK-3475) en el CPRCm (KEYNOTE-365
    A.4.1Sponsor's protocol code numberMK-3475-365
    A.5.2US NCT (ClinicalTrials.gov registry) numberNCT02335424
    A.5.4Other Identifiers
    Name:Key Note 365Number:KEY NOTE 365
    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 SponsorMerck Sharp & Dohme Corp., a subsidiary of Merck & Co., 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 supportMerck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc
    B.4.2CountryUnited States
    B.5 Contact point designated by the sponsor for further information on the trial
    B.5.1Name of organisationMerck Sharp & Dohme de España S.A.
    B.5.2Functional name of contact pointInvestigación Clínica
    B.5.3 Address:
    B.5.3.1Street AddressC/ Josefa Valcárcel, 38
    B.5.3.2Town/ cityMadrid
    B.5.3.3Post code28027
    B.5.3.4CountrySpain
    B.5.4Telephone number+34913210600
    B.5.5Fax number+34913210590
    B.5.6E-mailensayos_clinicos@merck.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 Yes
    D.2.1.1.1Trade name Keytruda
    D.2.1.1.2Name of the Marketing Authorisation holderMerck Sharp and Dohme, Ltd
    D.2.1.2Country which granted the Marketing AuthorisationEuropean Union
    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 namePembrolizumab
    D.3.2Product code MK-3475
    D.3.4Pharmaceutical form Solution for infusion
    D.3.4.1Specific paediatric formulation No
    D.3.7Routes of administration for this IMPIntravenous use
    D.3.8 to D.3.10 IMP Identification Details (Active Substances)
    D.3.8INN - Proposed INNPembrolizumab
    D.3.9.1CAS number 1374853-91-4
    D.3.9.2Current sponsor codeMK-3475
    D.3.9.3Other descriptive nameMK-3475
    D.3.9.4EV Substance CodeSUB91641
    D.3.10 Strength
    D.3.10.1Concentration unit mg/ml milligram(s)/millilitre
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number25
    D.3.11 The IMP contains an:
    D.3.11.1Active substance of chemical origin No
    D.3.11.2Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP) Yes
    The IMP is a:
    D.3.11.3Advanced Therapy IMP (ATIMP) No
    D.3.11.3.1Somatic cell therapy medicinal product No
    D.3.11.3.2Gene therapy medical product No
    D.3.11.3.3Tissue Engineered Product No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    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) Yes
    D.3.11.7Plasma derived medicinal product No
    D.3.11.8Extractive medicinal product No
    D.3.11.9Recombinant medicinal product Yes
    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 RoleComparator
    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 Olaparib (LYNPARZA)
    D.2.1.1.2Name of the Marketing Authorisation holderAstraZeneca AB
    D.2.1.2Country which granted the Marketing AuthorisationEuropean Union
    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.3.4Pharmaceutical form Capsule, hard
    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 INNolaparib
    D.3.9.1CAS number 763113-22-0
    D.3.9.3Other descriptive nameOLAPARIB
    D.3.9.4EV Substance CodeSUB32234
    D.3.10 Strength
    D.3.10.1Concentration unit mg milligram(s)
    D.3.10.2Concentration typeequal
    D.3.10.3Concentration number50
    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 No
    D.3.11.3.2Gene therapy medical product No
    D.3.11.3.3Tissue Engineered Product No
    D.3.11.3.4Combination ATIMP (i.e. one involving a medical device) No
    D.3.11.3.5Committee on Advanced therapies (CAT) has issued a classification for this product No
    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 Castration-Resistant Prostate Cancer (mCRPC)
    Cáncer de próstata resistente a la castración metastásico (CPRCm)
    E.1.1.1Medical condition in easily understood language
    Metastatic Castration-Resistant Prostate Cancer (mCRPC)
    Cáncer de próstata resistente a la castración metastásico (CPRCm)
    E.1.1.2Therapeutic area Diseases [C] - Cancer [C04]
    MedDRA Classification
    E.1.2 Medical condition or disease under investigation
    E.1.2Version 19.0
    E.1.2Level LLT
    E.1.2Classification code 10076506
    E.1.2Term Castration-resistant prostate 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
    1. To evaluate the safety and tolerability of the pembrolizumab combination therapy.
    2. To estimate PSA response rate of the pembrolizumab combination
    therapy. PSA response is defined as a reduction in the PSA level of 50% or more
    from baseline measured twice at least 3 weeks apart.
    1. Evaluar la seguridad y la tolerabilidad de los tratamientos combinados con pembrolizumab.
    2. Determinar la tasa de respuestas por PSA con los tratamientos combinados con pembrolizumab. La respuesta por PSA se define como una disminución del PSA ≥ 50% con respecto al valor basal en dos ocasiones con tres semanas de diferencia como mínimo.
    E.2.2Secondary objectives of the trial
    1. To estimate time to PSA progression. Time to PSA progression is defined the time from the first day of study treatment to the date of PSA progression.
    2. To estimate radiographic progression-free survival (rPFS) based on PCWG3-modified RECIST 1.1 assessed by the investigator.
    3. To estimate overall survival (OS).
    4. To estimate the objective response rate (ORR) based on a) RECIST 1.1
    assessed by the investigator and b) PCWG3-modified RECIST 1.1 criteria assessed by the investigator.
    5. To estimate the duration of response (DOR) based on PCWG3-modified
    RECIST 1.1 assessed by the investigator.
    6. To estimate the disease control rate (DCR) based on PCWG3-modified
    RECIST 1.1 assessed by the investigator.
    7. For Cohort A (pembrolizumab + olaparib) only, to estimate the composite
    response rate.
    -Determinar el tiempo hasta la progresión por PSA. El tiempo hasta la progresión por PSA se define como el tiempo transcurrido entre el primer día de administración del tratamiento del estudio y la fecha de la progresión por PSA
    -Determinar la supervivencia sin progresión radiológica (SSPr) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investiga
    -Determinar la supervivencia global (SG)
    -Determinar la tasa de respuestas objetivas (TRO) basada en a) criterios RECIST 1.1 evaluados por el investigador y b) criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investiga
    -Determinar la duración de la respuesta (DR) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investiga
    -Determinar la tasa de control de la enfermedad (TCE) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investiga
    -En la cohorte A (pembrolizumab + olaparib) exclusivamente, determinar la tasa de respuestas combinadas
    E.2.3Trial contains a sub-study Yes
    E.2.3.1Full title, date and version of each sub-study and their related objectives
    Merck will conduct Future Biomedical Research on DNA (Tumor Tissue collection, genetic analysis, RNA analysis, plasma biomarker analysis, serum biomarker analysis, ctDNA analysis, AR-V7) specimens collected during this clinical trial. Such research is for biomarker testing to address emergent questions not described elsewhere in the protocol (as part of the main trial) and will only be conducted on specimens from appropriately consented subjects. The objective of collecting specimens for Future Biomedical Research is to explore and identify biomarkers that inform the scientific understanding of diseases and/or their therapeutic treatments. The overarching goal is to use such information to develop safer, more effective drugs, and/or to ensure that subjects receive the correct dose of the correct drug at the correct time.
    El promotor realizará investigaciones biomédicas futuras con las muestras obtenidas para tal finalidad durante este ensayo clínico. Dichas investigaciones podrán incluir análisis genéticos (ADN), determinación de perfiles de expresión génica (ARN), proteómica, metabolómica (suero, plasma) y determinación de otros analitos.
    Estas investigaciones tendrán por objeto el análisis de biomarcadores con el fin de abordar aspectos nuevos que no se describen en otras partes del protocolo (como parte del ensayo principal) y solo se llevarán a cabo en muestras de los sujetos que hayan otorgado el consentimiento correspondiente. El objetivo de la obtención de muestras para investigaciones biomédicas futuras consiste en estudiar e identificar biomarcadores que proporcionen información a los científicos sobre las enfermedades y sus tratamientos. El objetivo último es utilizar tal información para desarrollar vacunas y fármacos más seguros y eficaces o para garantizar que los sujetos reciban la dosis correcta del fármaco o la vacuna adecuados en el momento preciso.
    E.3Principal inclusion criteria
    1. Be willing and able to provide written informed consent/assent for the trial. The subject may also provide consent/assent for Future Biomedical Research. However, the subject may participate in the main trial without participating in Future Biomedical Research.
    2. Be ≥18 years of age on day of signing informed consent.
    3. Have histologically- or cytologically-confirmed (if acceptable according to local health authority regulations) adenocarcinoma of the prostate without small cell histology. Diagnosis must be stated in a pathology report and confirmed by the investigator.
    4. For all Cohorts: Have provided tumor tissue from a site not previously irradiated (samples from tumors progressing in a prior site of radiation are allowed; other exceptions may be considered after Sponsor consultation). Adequacy of these for biomarker analysis will be evaluated by a central laboratory prior to enrollment.
    Cohort A: A core or excisional biopsy from soft tissue or a bone biopsy is required. This biopsy must be performed within 1 year of screening and after developing mCRPC. A recent prior archival specimen should also be provided for these subjects, if available.
    Cohort B: An archival tumor tissue sample or tumor tissue from a newly obtained core or excisional biopsy from soft tissue is required.
    Cohort C: Subjects with soft tissue disease must provide a core or excisional biopsy from a soft tissue lesion if clinically accessible. In addition to the biopsy an archival specimen should also be provided if one is available. The biopsy must be performed within 1 year of screening and after developing mCRPC. If soft tissue disease cannot be biopsied then an archival specimen is required. For subjects with bone metastasis only, an archival tumor tissue specimen must be provided.
    5. Have documented prostate cancer progression within 6 months prior to screening, as determined by the investigator, by means of one of the following:
    a. PSA progression as defined by a minimum of 2 rising PSA levels with an interval of ≥1 week between each assessment where the PSA value at screening should be ≥2 ng/mL.
    b. Radiographic disease progression in soft tissue based on RECIST 1.1 criteria with or without PSA progression.
    c. Radiographic disease progression in bone defined as the appearance of 2 or more new bone lesions on bone scan with or without PSA progression.
    Note: Radiographs must be collected and transmitted to the central imaging
    vendor at study entry.
    6. Have progression under the following conditions if the subject received anti-androgen therapy prior to enrollment:
    a. Evidence of progression >4 weeks since last flutamide treatment.
    b. Evidence of progression >6 weeks since last bicalutamide or nilutamide
    treatment.
    7. Have ongoing androgen deprivation with serum testosterone <50 ng/dL (< 2.0 nM).
    If the subject is currently being treated with luteinizing hormone-releasing hormone agonists or antagonists (subjects who have not undergone an orchiectomy), this therapy must have been initiated at least 4 weeks prior to first dose of trial treatment and treatment must be continued throughout the study.
    8. Subjects receiving bone resorptive therapy (including, but not limited to,
    bisphosphonate or receptor activator of nuclear factor kappa-β ligand inhibitor) must have been on stable doses for ≥4 weeks prior to first dose of trial treatment.
    9. Agree to use an adequate method of contraception, if the subject is of reproductive potential, as outlined in Section 5.7.2 – Contraception, starting with the first dose of study therapy through 120 days after the last dose of study therapy. Note: Abstinence is acceptable if this is the usual lifestyle and preferred contraception for the subject.
    10. Demonstrate adequate organ function as defined in Table 1; all screening labs should be performed within 10 days of the first dose of trial treatment

    Cohort Specific inclusion Criteria are to be found in the protocol
    1. Estar dispuestos a otorgar su consentimiento o asentimiento informado por escrito para el ensayo y ser capaces de hacerlo. También podrán otorgar su consentimiento o asentimiento para las investigaciones biomédicas futuras. No obstante, podrán participar en el ensayo principal sin necesidad de hacerlo en las investigaciones biomédicas futuras.
    2. Tener una edad mínima de 18 años el día de firma del consentimiento informado.
    3. Tener un adenocarcinoma de próstata confirmado por métodos histológicos o citológicos (siempre que sea aceptable conforme a la normativa de las autoridades sanitarias locales), sin histología microcítica. El diagnóstico debe estar consignado en un informe anatomopatológico y ser confirmado por el investigador.
    4.Todas las cohortes: Haber proporcionado tejido tumoral de un foco no irradiado previamente (se permitirán las muestras procedentes de tumores que muestren progresión en un foco previo de irradiación; podrán contemplarse otras excepciones previa consulta al promotor). Antes de la inclusión, el laboratorio central evaluará la idoneidad de estas muestras para el análisis de biomarcadores.
    Cohorte A: se exigirá una biopsia de partes blandas con aguja gruesa o por escisión o una biopsia ósea. Esta biopsia tendrá que practicarse en el año previo a la selección y tras la aparición del CPRCm. Estos sujetos también deberán facilitar una muestra de archivo reciente, siempre que esté disponible.
    Cohorte B: se exigirá una muestra de tejido tumoral de archivo o bien tejido tumoral procedente de una biopsia con aguja gruesa o por escisión de partes blandas de obtención reciente.
    Cohorte C: los sujetos con enfermedad de partes blandas tendrán que someterse a una biopsia con aguja gruesa o por escisión de una lesión de partes blandas, siempre que sea clínicamente accesible. Además de la biopsia, también deberán proporcionar una muestra de archivo, siempre que esté disponible. Esta biopsia tendrá que practicarse en el año previo a la selección y tras la aparición del CPRCm. En caso de que no pueda biopsiarse la enfermedad de partes blandas, se exigirá una muestra de archivo. En los sujetos con metástasis óseas exclusivamente, deberá proporcionarse una muestra de tejido tumoral de archivo.
    5. Haber presentado progresión documentada del cáncer de próstata en los 6 meses previos a la selección, según lo determinado por el investigador por uno de los métodos siguientes:
    a. Progresión por PSA, definida como un mínimo de dos concentraciones crecientes de PSA con un intervalo de al menos una semana entre cada determinación; el valor de PSA de selección debe ser ≥ 2 ng/ml.
    b. Progresión radiológica de la enfermedad en las partes blandas conforme a los criterios RECIST 1.1, con o sin progresión por PSA.
    c. Progresión radiológica de la enfermedad en el hueso, definida como la aparición de dos o más lesiones óseas nuevas en la gammagrafía ósea, con o sin progresión por PSA.
    Nota: Deberán obtenerse radiografías y enviarse al laboratorio central de estudios de imagen en el momento de incorporación al estudio.
    6. Mostrar progresión en las circunstancias siguientes si el sujeto ha recibido tratamiento antiandrogénico antes de su reclutamiento:
    a. Signos de progresión > 4 semanas después del último tratamiento con flutamida.
    b. Signos de progresión > 6 semanas después del último tratamiento con bicalutamida o nilutamida.
    7. Estar en situación de privación androgénica persistente con una concentración sérica de testosterona < 50 ng/dl (< 2,0 nM). Si el sujeto está recibiendo agonistas o antagonistas de la gonadoliberina (sujetos que no se hayan sometido a una orquiectomía), este tratamiento deberá haberse empezado al menos 4 semanas antes de la primera dosis del tratamiento del ensayo y mantenerse durante todo el estudio.
    8. Los sujetos que estén recibiendo tratamiento antirresortivo (con bisfosfonatos o inhibidores de RANK-L (ligando del activador del receptor del factor nuclear kappa-β, entre otros) deberán haber recibido dosis estables desde al menos 4 semanas antes de la primera dosis del tratamiento del ensayo.
    9.Los varones fértiles deberán comprometerse a utilizar un método anticonceptivo adecuado, tal como se indica en la Sección 5.7.2, Anticoncepción, desde la administración de la primera dosis y hasta 120 días después de la última dosis del tratamiento del estudio.
    Nota: La abstinencia será aceptable cuando sea el modo de vida habitual y el método anticonceptivo preferido del sujeto.
    10.Presentar una función orgánica adecuada según se define en la Tabla 1; todos los análisis de selección deberán practicarse en los 10 días previos a la primera dosis del tratamiento del ensayo.
    Criterios de inclusión específicos de cohortes se encuentran en el protocolo
    E.4Principal exclusion criteria
    1. Has had a prior anticancer mAb within 4 weeks prior to first dose of trial treatment or who has not recovered (ie, Grade ≤1 or at baseline) from AEs due to mAbs administered more than 4 weeks prior to first dose of trial treatment.
    2. Is currently participating in and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the treatment allocation.
    3. Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to treatment allocation. The use of physiologic doses of corticosteroids may be approved after consultation with the Sponsor (replacement therapy for adrenal insufficiency is permitted).
    4. If a subject has undergone major surgery, they must have recovered adequately from the toxicities and/or complications from the intervention prior to starting therapy.
    5. Has had a prior radium treatment
    6. Has a known additional malignancy that has had progression or has required active treatment in the last 3 years. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy.
    7. Has an active autoimmune disease that has required systemic treatment in past 2 years (ie, with use of disease modifying agents, corticosteroids, or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
    8. Has a history of (non-infectious) pneumonitis that required steroids or current
    pneumonitis
    9. Has an active infection requiring systemic therapy
    10. Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject’s participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator
    11. Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial
    12. Has previously participated in any other pembrolizumab trial, or received prior therapy with an anti-PD-1, anti-PD-L1, and anti-PD-L2 (including ipilimumab or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways)
    13. Has a known history of human immunodeficiency virus (HIV) (HIV 1/2 antibodies).
    14. Has known active hepatitis B virus (e.g., hepatitis B surface antigen reactive) or hepatitis C virus (HCV) (e.g., HCV RNA [qualitative] is detected)
    15. Has received a live vaccine within 30 days of the first dose of trial treatment
    16. Has used herbal products that may have hormonal anti-prostate cancer activity and/or are known to decrease PSA levels (e.g., saw palmetto) or systemic corticosteroids greater than the equivalent of 10 mg of prednisone per day within 4 weeks prior to first dose of trial treatment
    17. Has known active central nervous system metastases and/or carcinomatous
    meningitis. Subjects with previously treated brain metastases may participate in
    Cohorts A (pembrolizumab + olaparib) or B (pembrolizumab + docetaxel) provided they are stable (without evidence of progression by imaging for at least 4 weeks prior to treatment allocation and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment. This exception does not include carcinomatous meningitis, which is excluded regardless of clinical stability.
    Cohort specific exclusion criteria are to be found in the protocol
    1. Haber recibido un anticuerpo monoclonal en las 4 semanas previas a la administración de la primera dosis del tratamiento del ensayo o no haberse recuperado (es decir, hasta un grado ≤ 1 o la situación basal) de acontecimientos adversos provocados por anticuerpos monoclonales administrados más de 4 semanas antes de esa primera dosis.
    2. Estar participando o haber participado en un estudio de un fármaco en investigación y estar recibiendo o haber recibido el tratamiento del estudio o estar utilizando o haber utilizado un dispositivo en investigación en las 4 semanas previas a la asignación del tratamiento.
    3. Tener un diagnóstico de inmunodeficiencia o haber recibido tratamiento con esteroides sistémicos u otra forma de tratamiento inmunodepresor en los 7 días previos a la asignación del tratamiento. El tratamiento con corticoides en dosis fisiológicas podrá autorizarse previa consulta al promotor (se permitirá el tratamiento de reposición por insuficiencia suprarrenal).
    4. Si un sujeto se ha sometido a una intervención de cirugía mayor, tendrá que haberse recuperado debidamente de la toxicidad y/o las complicaciones de la intervención antes de empezar el tratamiento.
    5. Haber recibido tratamiento previo con radio.
    6. Presentar otra neoplasia maligna conocida que está en progresión o que ha necesitado tratamiento activo en los tres últimos años. Son excepciones el carcinoma basocelular y el carcinoma espinocelular de piel que hayan sido objeto de un tratamiento potencialmente curativo.
    7. Padecer una enfermedad autoinmunitaria activa que ha precisado tratamiento sistémico (es decir, fármacos modificadores de la enfermedad, corticoides o inmunodepresores) en los dos últimos años. El tratamiento de reposición (p. ej., tratamiento con tiroxina, insulina o corticoides en dosis fisiológicas por insuficiencia suprarrenal o hipofisaria, etc.) no se considera una forma de tratamiento sistémico.
    8. Tener antecedentes de neumonitis (no infecciosa) que precisó esteroides o una neumonitis activa.
    9. Presentar una infección activa con necesidad de tratamiento sistémico.
    10. Tener antecedentes o datos actuales de cualquier trastorno, tratamiento o anomalía analítica que, en opinión del investigador responsable del tratamiento, pueda confundir los resultados del ensayo, afectar a la participación del sujeto durante todo el ensayo o hacer que la participación no sea lo más conveniente para el sujeto.
    11. Presentar un trastorno psiquiátrico o por abuso de sustancias que podría dificultar el cumplimiento de los requisitos del ensayo.
    12. Haber participado anteriormente en otro ensayo de pembrolizumab (MK-3475) o haber recibido tratamiento previo con anticuerpos anti-PD-1, anti-PD-L1 o anti-PD-L2 (como ipilimumab o cualquier otro anticuerpo o fármaco dirigido específicamente a las vías de coestimulación o control de linfocitos T).
    13. Tener antecedentes de infección por el virus de la inmunodeficiencia humana (VIH) (anticuerpos contra el VIH 1 o 2).
    14. Presentar una hepatitis B activa conocida (por ejemplo, reactividad del antígeno de superficie de la hepatitis B [HBsAg]) o hepatitis C (por ejemplo, detección de ARN del VHC [cualitativo]).
    15. Haber recibido una vacuna de microorganismos vivos en los 30 días previos a la primera dosis del tratamiento del ensayo.
    16. Haber utilizado productos de herbolario que puedan tener actividad hormonal contra el cáncer de próstata y/o que se sepa que disminuyen las concentraciones de PSA (por ejemplo, palma enana) o corticoides sistémicos en una dosis superior a un equivalente de 10 mg al día de prednisona durante 4 semanas antes de la primera dosis del tratamiento del ensayo.
    17. Tener metástasis activas conocidas en el sistema nervioso central (SNC) y/o meningitis carcinomatosa. Los sujetos con metástasis cerebrales tratadas con anterioridad podrán participar en las cohortes A (pembrolizumab + olaparib) o B (pembrolizumab + docetaxel) siempre que se encuentren estables (sin signos de progresión en los estudios de imagen durante al menos cuatro semanas antes de la asignación del tratamiento y con regreso de todos los síntomas neurológicos a la situación basal), no presenten indicios de metástasis cerebrales nuevas o que estén aumentando de tamaño y no utilicen esteroides durante al menos 7 días antes de recibir el tratamiento del ensayo. Esta excepción no se aplica a la meningitis carcinomatosa, que será motivo de exclusión con independencia de la estabilidad clínica.
    Criterios de inclusión específicos de cohortes se encuentran en el protocolo
    E.5 End points
    E.5.1Primary end point(s)
    PSA Response Rate
    Tasa de respuestas por PSA
    E.5.1.1Timepoint(s) of evaluation of this end point
    The PSA response rate is the proportion of subjects in the analysis population who have a PSA decline of ≥50% from baseline measured twice at least 3 weeks apart (ie, this PSA decline must be confirmed to be sustained by a second PSA value obtained 3 or more weeks later).
    Tasa de respuestas por PSA, es la proporción de sujetos en la población analizada una disminución del PSA ≥ 50% con respecto al valor basal en dos ocasiones con tres semanas de diferencia como mínimo (esta disminución del PSA debe ser confirmada por un segundo valor de PSA obtenido 3 o más semanas después).
    E.5.2Secondary end point(s)
    1. Time to PSA Progression
    Time to PSA progression is defined as the time from the first day of study treatment
    2. Radiographic Progression-free Survival as per PCWG3-modified RECIST 1.1 Assessed by the Investigator.
    Radiographic progression-free survival is defined as the time from the first day of study treatment to the first documented disease progression per PCWG3-modified RECIST 1.1, assessed by the investigator, or death due to any cause, whichever occurs first.assessed by the investigator, or death due to any cause, whichever occurs first.
    3. Overall Survival
    OS is defined as the time from the first day of study treatment to the time of death.
    4. Objective Response Rate as per RECIST 1.1 Assessed by the Investigator and
    PCWG3-modified RECIST 1.1 Assessed by the Investigator
    The ORR is the proportion of subjects in the analysis population who have CR or PR. Two ORRs will be computed. For the first, responses are determined according to RECIST 1.1.
    For the second, responses are determined according to PCWG3-modified RECIST 1.1 at any time during the study
    5. Duration of Response as per PCWG3-modified RECIST 1.1 Assessed by the
    Investigator
    For subjects who demonstrated CR or PR, DOR is defined as the time from the first documented evidence of CR or PR until radiographic disease progression per PCWG3-modified RECIST 1.1, assessed by the investigator, or death due to any cause, whichever occurs first.
    6. Disease Control Rate as per PCWG3-modified RECIST 1.1 Assessed by the
    Investigator
    The DCR is the proportion of subjects in the analysis population who have CR, PR, or SD for at least 6 months as assessed per PCWG3-modified RECIST 1.1 by the investigator.

    For Cohort A [pembrolizumab + olaparib] only, response rate defined as any one of the following for comparison with historical control [38]:

    -Response according to RECIST 1.1 assessed by the investigator;
    -PSA response rate, defined as a reduction in the PSA level of 50% or more from baseline measured twice at least 3 weeks apart;
    -Conversion in the CTC count, defined as a reduction in the number of CTCs from 5 cells or more per 7.5 mL of blood at baseline to less than 5 cells per 7.5 mL during treatment, with a confirmatory assessment at least 6 weeks later.
    1. Tiempo hasta la progresión por PSA.
    El tiempo hasta la progresión por PSA se define como el tiempo transcurrido entre el primer día de administración del tratamiento
    2. Determinar la supervivencia sin progresión radiológica (SSPr) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investigador.
    La supervivencia sin progresión radiológica se define como el tiempo transcurrido entre el primer día de tratamiento del estudio y la primera progresión de la enfermedad documentada conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluada por el investigador, o la muerte por cualquier causa, lo que ocurra antes.
    3. supervivencia global
    La SG se define como el tiempo transcurrido entre el primer día de tratamiento del estudio y el momento de la muerte.
    4. Determinar la tasa de respuestas objetivas (TRO) basada en a) criterios RECIST 1.1 evaluados por el investigador y b) criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investigador.
    La TRO es la proporción de pacientes de la población de análisis que presentan RC o RP. Se contarán dos TRO. Para la primera, las respuestas se determinan conforme a los criterios RECIST 1.1.
    Para la segunda, las respuestas se determinan conforme a los criterios RECIST 1.1 modificados por el PCWG3 en cualquier momento del estudio.
    5. Determinar la duración de la respuesta (DR) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investigador.
    Para los pacientes que mostraron RC o RP, la DR se define como el tiempo transcurrido entre el primer indicio documentado de RC o RP y la progresión radiológica de la enfermedad conforme a los criterios RECIST 1.1 modificados por el PCWG3, evaluada por el investigador, o la muerte por cualquier causa, lo que ocurra antes.
    6.Determinar la tasa de control de la enfermedad (TCE) conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investigador.
    La TCE es la proporción de pacientes de la población de análisis que tiene RC, RP o EE durante al menos 6 meses, según la evaluación del investigador conforme a los criterios RECIST 1.1 modificados por el PCWG3.

    En la cohorte A [pembrolizumab + olaparib] exclusivamente, la tasa de respuestas definida como cualquiera de las circunstancias siguiente para su comparación con el control histórico [38]:

    Respuesta conforme a los criterios RECIST 1.1 evaluada por el investigador;
    Tasa de respuestas por PSA, definida como una disminución del PSA del 50 % o más con respecto al valor basal determinada en dos ocasiones con tres semanas de diferencia como mínimo;

    Conversión del recuento CTC, definida como una disminución del número de CTC de 5 células o más por 7,5 ml de sangre en el momento basal a menos de 5 células por 7,5 ml durante el tratamiento, con una evaluación confirmatoria efectuada al menos 6 semanas después.
    E.5.2.1Timepoint(s) of evaluation of this end point
    1. Time to PSA Progression: Subjects without PSA progression will be censored at the last PSA assessment date. For subjects who had an initial PSA decline during treatment, this must be confirmed by a second value 3 or more weeks later increased with respect to the nadir PSA.
    2. Radiographic Progression-free Survival as per PCWG3-modified RECIST 1.1 Assessed by the Investigator: first day of study treatment to the first documented disease progression per PCWG3-modified RECIST 1.1
    3. Overall Survival: time from the first day of study treatment to the time of death
    4. Objective Response Rate: two times at any time during the study
    1. Tiempo hasta la progresión por PSA: los sujetos sin progresión por PSA serán controlados en la última evaluación. Para los sujetos que tuvieran una disminución del PSA inicial durante el tratamiento, este deberá confirmarse con un segundo valor de PSA obtenido 3 o más semanas después
    2. Supervivencia sin progresión radiológica conforme a los criterios RECIST 1.1 modificados por el PCWG3 evaluados por el investigador: desde primer dia de tratamiento del estudio hasta la primera progresión documentada conforme a los criterios RECIST 1.1 modificados por el PCWG3
    3. Supervivencia global: tiempo desde el primer dia de tratamiento del estudio hasta fallecimiento
    4. tasa de respuestas objetivas : dos veces en cualquier momento durante el estudio.
    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 No
    E.6.8Bioequivalence No
    E.6.9Dose response No
    E.6.10Pharmacogenetic No
    E.6.11Pharmacogenomic No
    E.6.12Pharmacoeconomic No
    E.6.13Others Yes
    E.6.13.1Other scope of the trial description
    Tolerability
    Tolerabilidad
    E.7Trial type and phase
    E.7.1Human pharmacology (Phase I) Yes
    E.7.1.1First administration to humans No
    E.7.1.2Bioequivalence study No
    E.7.1.3Other Yes
    E.7.1.3.1Other trial type description
    Ib
    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 No
    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) No
    E.8.2.2Placebo No
    E.8.2.3Other No
    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 concerned3
    E.8.5The trial involves multiple Member States Yes
    E.8.5.1Number of sites anticipated in the EEA18
    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 No
    E.8.6.3If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned
    France
    Germany
    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 years3
    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 years3
    E.8.9.2In all countries concerned by the trial months6
    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: 42
    F.1.3Elderly (>=65 years) Yes
    F.1.3.1Number of subjects for this age range: 168
    F.2 Gender
    F.2.1Female No
    F.2.2Male Yes
    F.3 Group of trial subjects
    F.3.1Healthy volunteers No
    F.3.2Patients Yes
    F.3.3Specific vulnerable populations No
    F.3.3.1Women of childbearing potential not using contraception No
    F.3.3.2Women of child-bearing potential using contraception No
    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 state18
    F.4.2 For a multinational trial
    F.4.2.1In the EEA 87
    F.4.2.2In the whole clinical trial 210
    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)
    There are no plans for treatment or care after a subject has ended his participation in the trial.
    No hay planes para continuar con el tratamiento una vez que el sujeto haya puesto fin a su participación en el ensayo
    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 Decision2016-10-22
    N.Ethics Committee Opinion of the trial applicationFavourable
    N.Ethics Committee Opinion: Reason(s) for unfavourable opinion
    N.Date of Ethics Committee Opinion2016-09-15
    P. End of Trial
    P.End of Trial StatusTemporarily Halted
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