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A Study of Prasugrel in Pediatric Participants With Sickle Cell Disease (SCD)

10 settembre 2019 aggiornato da: Eli Lilly and Company

A Phase 3, Double-Blind, Randomized, Efficacy and Safety Comparison of Prasugrel and Placebo in Pediatric Patients With Sickle Cell Disease.

The main purpose of the study is to evaluate the efficacy and safety of the study drug known as prasugrel for the reduction of Vaso-Occlusive Crisis events in pediatric participants with sickle cell disease. The study will also investigate reduction in daily pain in children who have sickle cell disease.

Panoramica dello studio

Stato

Terminato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

The submission database was validated for data reported through the data cutoff date for the submission database lock (SDBL). The SDBL data cutoff was 17 July 2015 for all participants except for 2 in the youngest age group, for whom the SDBL data cutoff occurred on 08 August 2015. The data cutoff date for SDBL corresponds to the primary completion date for the study. The SDBL occurred on 31 August 2015.

The study was stopped following SDBL and review of the topline information indicated that the primary and secondary efficacy endpoints were not met. Subsequently, the Sponsor requested that participants discontinue study drug immediately and that discontinuation visits for all active study participants be conducted as soon as feasible.

After the data cutoff date for SDBL, the Sponsor continued to collect safety data through the final participants contact; some additional efficacy data were collected through the final visit. The last patient visit (LPV) occurred on 17 December 2015, which corresponds to the study completion date and led to the planned supplemental database lock (PSDBL) on 22 January 2016. This supplemental data base was originally designed to capture additional blinded and randomized information to enhance safety data for labeling should the study have been positive.

The safety information contained in this record reflects the entire safety information and reflects the information from the supplemental data base lock in January of 2016. The efficacy information contained in this record reflects the information collected through primary completion date in the submission database. Primary analyses of the major efficacy objectives were repeated using the entire double-blind period data from the PSDBL and did not change the original conclusions and were consistent with the results from the original efficacy analyses included in the SDBL.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

341

Fase

  • Fase 3

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

  • Arabia Saudita
      • Jeddah, Arabia Saudita, 21859
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Belgio
      • Brussel, Belgio, 1200
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Montegnee, Belgio, 4420
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Brasile
      • Rio De Janeiro, Brasile, 20211-030
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Canada
    • Quebec
      • Montreal, Quebec, Canada, H3T 1C5
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Egitto
      • Alexandria, Egitto, 21131
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Cairo, Egitto, 11566
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Fayoum, Egitto, 63514
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Ismailia, Egitto
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Mansoura, Egitto, 35516
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Zagazig, Egitto, 44519
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Emirati Arabi Uniti
      • Abu Dhabi, Emirati Arabi Uniti
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Ghana
      • Agogo, Ghana
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Korle Bu, Ghana
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Italia
      • Genova, Italia, 16128
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Modena, Italia, 40124
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Monza, Italia, 20900
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Padova, Italia, 35138
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Verona, Italia, 37126
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Kenya
      • Busia, Kenya, 40100
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Kisumu, Kenya
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Kombewa, Kenya
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Nairobi, Kenya
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Libano
      • Beirut, Libano, 5244
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Oman
      • Muscat, Oman, 123
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Regno Unito
      • London, Regno Unito, SE1 7EH
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Manchester, Regno Unito, M13 9WL
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
    • London
      • Tooting, London, Regno Unito, SW17 0QT
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
  • Stati Uniti
    • California
      • Oakland, California, Stati Uniti, 94609
        • Children's Hospital of Oakland
      • Palo Alto, California, Stati Uniti, 94304
        • Stanford Univ Medical Center
    • Connecticut
      • Hartford, Connecticut, Stati Uniti, 06106
        • Connecticut Children's Medical Center
    • District of Columbia
      • Washington, District of Columbia, Stati Uniti, 20060
        • Howard University Hospital
    • Georgia
      • Atlanta, Georgia, Stati Uniti, 30322
        • Emory University
      • Savannah, Georgia, Stati Uniti, 31404
        • Memorial Health University Medical Center
    • Illinois
      • Chicago, Illinois, Stati Uniti, 60611
        • Ann & Robert H Lurie Children's Hospital of Chicago
    • Massachusetts
      • Boston, Massachusetts, Stati Uniti, 02115
        • Boston Children's Hospital
    • Michigan
      • Detroit, Michigan, Stati Uniti, 48201
        • Childrens Hospital of Michigan
    • Missouri
      • Kansas City, Missouri, Stati Uniti, 64108
        • Children's Mercy Hospital
    • New York
      • Bronx, New York, Stati Uniti, 10467
        • Albert Einstein College Of Medicine
    • North Carolina
      • Chapel Hill, North Carolina, Stati Uniti, 27599
        • University of NC at Chapel Hill School of Medicine
    • Ohio
      • Cincinnati, Ohio, Stati Uniti, 45229
        • Childrens Hospital Medical Center
      • Cleveland, Ohio, Stati Uniti, 44106
        • Rainbow Babies and Children's Hospital
    • Pennsylvania
      • Philadelphia, Pennsylvania, Stati Uniti, 19134
        • Children's Hospital of Philadelphia
      • Philadelphia, Pennsylvania, Stati Uniti, 19134
        • St Christophers Hospital For Children
      • Pittsburgh, Pennsylvania, Stati Uniti, 15224
        • Childrens Hospital of Pittsburgh
    • South Carolina
      • Charleston, South Carolina, Stati Uniti, 29425
        • Medical University of South Carolina
    • Tennessee
      • Memphis, Tennessee, Stati Uniti, 38105
        • St Jude Childrens Research Hospital
    • Washington
      • Tacoma, Washington, Stati Uniti, 98405
        • Mary Bridge Children's Hospital and Health Center
  • Tacchino
      • Balcali Adana, Tacchino, 01330
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.
      • Mersin, Tacchino, 33079
        • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 2 anni a 17 anni (Bambino)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Have SCD [homozygous sickle cell (HbSS) or hemoglobin (HbS) Beta^0 thalassemia]
  • Are participants with SCD who have had ≥2 episodes of vaso-occlusive crisis (VOC) in the past year
  • Have a body weight ≥19 kilograms (kg) and are ≥2 and <18 years of age, inclusive at the time of screening
  • If participants are ≥2 and ≤16 years of age, must have had a transcranial Doppler within the last year

Exclusion Criteria:

  • History of: transient ischemic attack (TIA)/ ischemic or hemorrhagic stroke, severe head trauma, intracranial hemorrhage, intracranial neoplasm, arteriovenous malformation, or aneurysm
  • History of abnormal or conditional [velocity in middle or anterior cerebral, or internal carotid artery ≥170 centimeter per second (cm/sec)] transcranial Doppler within the last year
  • History of, or are undergoing treatment with, chronic red blood cell (RBC) transfusion therapy
  • Are at an increased risk for bleeding complications
  • Are receiving chronic treatment with nonsteroidal anti-inflammatory drug (NSAID)s and cannot be switched to another analgesic

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Triplicare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Prasugrel
Participants will be titrated from initial daily dose of 0.08 milligram per kilogram (mg/kg) of orally administered prasugrel monotherapy at randomization to a dose that will achieve a P2Y12 reaction units (PRU) level of 231 to 136, as measured by VerifyNow instrument. This corresponds to a range of platelet inhibition of approximately 30% to 60%. The maximum possible dose allowed is 0.12 mg/kg daily, not to exceed 10 mg daily.
Droga: Prasugrel
Somministrato per via orale
Altri nomi:
  • Efficiente
  • LY640315
  • Efficace
Comparatore placebo: Placebo
Participants in this treatment group will receive daily orally administered placebo and will follow visit schedule identical to that in the active treatment group.
Droga: Placebo
Somministrato per via orale

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of Vaso-Occlusive Crisis (VOC) Events Per Participant Per Year (Rate of VOC)
Lasso di tempo: Randomization through 24 Months
The VOC is a composite endpoint of painful crisis or acute chest syndrome. Events that occurred within 7 days from the prior event onset date were not counted as a new episode. Data collected through the primary completion date reported below.
Randomization through 24 Months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Monthly Rate of Days With Pain
Lasso di tempo: Randomization through 9 Months
Monthly rate of days with pain was measured through participant diaries using a modified version of the Faces Pain Scale-Revised (FPS-R). Each day participants selected the face on the scale that reflected their worst pain related to sickle cell disease (SCD) on that day. This pain scale contains six faces corresponding to the pain intensity of 0, 2, 4, 6, 8 or 10, in which 0 denotes no pain and 10 denotes the worst pain possible. Any day the participant selected a face other than face 0 was considered a day with pain. Monthly rate of days with pain was calculated for each participant by summing the number of days reported with any pain divided by the number of non-missing diary entries completed in the month. A month was defined as 4 weeks (28 days).The monthly rate was set to missing if there were more than 14 missing entries for the FPS-R in a specific month. Data collected through the primary completion date are present below.
Randomization through 9 Months
Monthly Mean in Faces Pain Scale-Revised Score
Lasso di tempo: Randomization through 9 Months
Each day participants selected the face on the FPS-R scale that reflected their worst pain related to sickle cell disease (SCD) on that day. Monthly mean in FPS-R score was calculated for each participant by summing the FPS-R score divided by the number of non-missing diary entries completed in the month. This pain scale contains six faces corresponding to the pain intensity of 0, 2, 4, 6, 8 or 10, in which 0 denotes no pain and 10 denotes the worst pain possible. A month was defined as 4 weeks (28 days). The monthly mean in FPS-R score was set to missing if there were more than 14 missing entries for the FPS-R in a specific month. Data collected through the primary completion date are presented below.
Randomization through 9 Months
Number of Painful Crisis Events Per Participant Per Year (Rate of Painful Crisis)
Lasso di tempo: Randomization through 24 Months
A painful crisis is defined as an onset of moderate to severe pain that lasts at least 2 hours for which there is no explanation other than vaso-occlusion and which requires therapy with oral or parenteral opioids, ketorolac, or other analgesics prescribed by a health care provider (HCP) in a medical setting such as a hospital, clinic, emergency room visit, or telephone management. The painful crisis that occurred within 7 days from the prior event onset date was not counted as a new episode. Data collected through the primary completion date are presented below.
Randomization through 24 Months
Number of Hospitalizations for VOC Per Participant Per Year (Rate of Hospitalizations)
Lasso di tempo: Randomization through 24 Months
Hospitalization that occurred within 7 days of the prior event onset date were not counted as a new episode. Data collected through the primary completion date are presented below.
Randomization through 24 Months
Number of Acute Chest Syndrome Per Participant Per Year (Rate of Acute Chest Syndrome)
Lasso di tempo: Randomization through 24 Months
Acute chest syndrome was defined as an acute illness characterized by fever and/or respiratory symptoms, accompanied by a new pulmonary infiltrate on a chest X-ray. Acute chest syndrome that occurred within 7 days of the prior event onset date was not counted as a new episode. Data collected through the primary completion date are presented below.
Randomization through 24 Months
Number of Red Blood Cell (RBC) Transfusions Due to Sickle Cell Disease (SCD) Per Participant Per Year (Rate of RBC Transfusions)
Lasso di tempo: Randomization through 24 Months
RBC transfusions that occurred within 7 days of the prior event onset date were not counted as a new episode. Data collected through the primary completion date are presented below.
Randomization through 24 Months
Monthly Rate of Days of Analgesic Use
Lasso di tempo: Randomization through 9 Months
Monthly rate of days of analgesic use was measured through participant diaries and was calculated for each participant by summing the number of days they reported analgesic use divided by the number of diary entries completed in the month. A month was defined as 4 weeks (28 days). The monthly rate was set to missing if there were more than 14 missing entries for analgesic use in a specific month. Data collected through the primary completion date are presented below.
Randomization through 9 Months
Quarterly Rate of School Absence Due to Sickle Cell Pain
Lasso di tempo: Randomization through 9 Months
Quarterly rate of school absence due to sickle cell pain was measured through participant diaries and was calculated for each participant by summing the number of days with school absence due to sickle cell pain divided by the number of school dates in the quarter. A quarter was defined as 12 weeks. The quarterly rate was set to missing if there were more than 6 weeks of missing diary entries during a specific quarter. Data collected through the primary completion date are presented below.
Randomization through 9 Months
Time to First Transient Ischemic Attack (TIA)/Ischemic Stroke
Lasso di tempo: Randomization through 24 Months
Randomization through 24 Months
Number of Days Hospitalized for VOC
Lasso di tempo: Randomization through 24 Months
The total length of hospitalization in days for VOC was calculated for each participant. Data collected through the primary completion date are presented below.
Randomization through 24 Months
Time From Randomization to First and Second VOC
Lasso di tempo: Randomization to First VOC and Second VOC respectively (up to 24 Months)
Data collected through the primary completion date are presented below.
Randomization to First VOC and Second VOC respectively (up to 24 Months)
Percentage of Participants With Hemorrhagic Events Requiring Medical Intervention
Lasso di tempo: First Dose through 24 Months
Medical intervention was defined as any medical evaluation resulting in therapy or further investigation, as determined by a trained medical professional. Data collected from the first dose of study medication through 10 days after last dose of study medication during the double blind study period are presented below.
First Dose through 24 Months

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Eli Lilly and Company

Collaboratori

Daiichi Sankyo, Inc.

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio

1 aprile 2013

Completamento primario (Effettivo)

1 luglio 2015

Completamento dello studio (Effettivo)

1 dicembre 2015

Date di iscrizione allo studio

Primo inviato

14 febbraio 2013

Primo inviato che soddisfa i criteri di controllo qualità

14 febbraio 2013

Primo Inserito (Stima)

18 febbraio 2013

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

25 settembre 2019

Ultimo aggiornamento inviato che soddisfa i criteri QC

10 settembre 2019

Ultimo verificato

1 settembre 2019

Maggiori informazioni

Termini relativi a questo studio

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 13038
  • H7T-MC-TADO (Altro identificatore: Eli Lilly and Company)
  • 2012-003837-41 (Numero EudraCT)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

SÌ

Descrizione del piano IPD

Anonymized individual patient level data will be provided in a secure access environment upon approval of a research proposal and a signed data sharing agreement.

Periodo di condivisione IPD

Data are available 6 months after the primary publication and approval of the indication studied in the US and EU, whichever is later. Data will be indefinitely available for requesting.

Criteri di accesso alla condivisione IPD

A research proposal must be approved by an independent review panel and researchers must sign a data sharing agreement.

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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