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Uno studio sull'apalutamide (ARN-509) negli uomini con carcinoma prostatico non metastatico resistente alla castrazione (SPARTAN)

24 settembre 2026 aggiornato da: Aragon Pharmaceuticals, Inc.

Uno studio di fase III multicentrico, randomizzato, in doppio cieco, controllato con placebo, sull'ARN-509 negli uomini con carcinoma prostatico non metastatico (M0) resistente alla castrazione

The purpose of this study is to evaluate the efficacy and safety of apalutamide in adult men with high-risk non-metastatic castration-resistant prostate cancer.

Panoramica dello studio

Stato

Attivo, non reclutante

Condizioni

Intervento / Trattamento

Descrizione dettagliata

This Phase 3 clinical trial is an essential step in the evaluation of an investigational medication to see if it may be useful in treating prostate cancer. The purpose of the SPARTAN study is to compare the safety and effectiveness of the investigational medication to placebo in delaying prostate cancer from spreading to other parts of the body. A placebo is a pill that looks like the investigational medication but does not contain any active medication, a dummy pill.

Phase 3 studies are performed after preliminary evidence suggesting effectiveness of the drug has been obtained in previous Phase 2 studies. These studies are intended to gather the additional information about effectiveness and safety that is needed to evaluate the overall benefit-risk relationship of the drug.

Study participants will take the oral investigational medication daily. One cycle of study treatment lasts 4 weeks or 28 days. The number of cycles will depend on how you and your cancer respond to the study medication.

In order for the researchers to evaluate and compare the study results, there are two different study groups. Study participants will be randomly (like flipping a coin) assigned to one of these groups:

  • One group will receive their current treatment along with the investigational medication
  • One group will receive their current medications along with a placebo

The investigational medication will be given to 2 out of every 3 study participants. Neither you nor the study staff will know which group you are in. However, in case of a medical emergency, your study doctor can quickly find out which treatment group you are in.

All participants will continue to receive their current treatment along with either the investigational medication or a placebo. The selections will be random, and you may remain on investigational treatment until your disease worsens, or until significant side effects occur or you can no longer tolerate treatment.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

1207

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

      • Adelaide, Australia
      • Box Hill, Australia
      • Camperdown, Australia
      • Darlinghurst, Australia
      • Geelong, Australia
      • Gosford, Australia
      • Hobart, Australia
      • Kogarah, Australia
      • Liverpool, Australia
      • Melbourne, Australia
      • Nedlands, Australia
      • Parkville, Australia
      • South Woodville, Australia
      • Southport, Australia
      • Sydney, Australia
      • Tweed Heads, Australia
      • Wollongong, Australia
      • Graz, Austria
      • Innsbruck, Austria
      • Linz, Austria
      • Vienna, Austria
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      • Washington D.C., District of Columbia, Stati Uniti
    • Florida
      • Aventura, Florida, Stati Uniti
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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

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Maschio

Descrizione

Inclusion Criteria:

  • Histologically or cytologically confirmed adenocarcinoma of the prostate without neuroendocrine differentiation or small cell features with high risk for development of metastases, defined as prostate-specific antigen doubling time (PSADT) less than or equal to (<=) 10 months. PSADT is calculated using at least 3 prostate-specific antigen (PSA) values obtained during continuous ADT (androgen deprivation therapy)
  • Castration-resistant prostate cancer demonstrated during continuous ADT, defined as 3 PSA rises, at least 1 week apart, with the last PSA greater than (>) 2 nanogram per milliliter (ng/mL)
  • Maintain castrate levels of testosterone within 4 weeks prior to randomization and throughout the study
  • Patients currently receiving bone loss prevention treatment with bone-sparing agents must be on stable doses for at least 4 weeks prior to randomization
  • Patients who received a first generation anti-androgen (for example, bicalutamide, flutamide, nilutamide) must have at least a 4-week washout prior to randomization AND must show continuing disease (PSA) progression (an increase in PSA) after washout
  • At least 4 weeks must have elapsed from the use of 5-alpha reductase inhibitors, estrogens, and any other anti-cancer therapy prior to randomization
  • At least 4 weeks must have elapsed from major surgery or radiation therapy prior to randomization
  • Eastern Cooperative Oncology Group Performance Status 0 or 1
  • Resolution of all acute toxic effects of prior therapy or surgical procedure to Grade <= 1 or baseline prior to randomization
  • Adequate organ function according to protocol-defined criteria
  • Administration of growth factors or blood transfusions will not be allowed within 4 weeks of the hematology labs required to confirm eligibility

Exclusion Criteria:

  • Presence of confirmed distant metastases, including central nervous system and vertebral or meningeal involvement
  • Symptomatic local or regional disease requiring medical intervention
  • Prior treatment with second generation anti-androgens
  • Prior treatment with CYP17 inhibitors
  • Prior treatment with radiopharmaceutical agents, or any other investigational agent for non-metastatic castration-resistant prostate cancer
  • Prior chemotherapy for prostate cancer except if administered in the adjuvant/neoadjuvant setting
  • History of seizure or condition that may pre-dispose to seizure
  • Concurrent therapy with protocol-defined excluded medications
  • History or evidence of any of the following conditions: any prior malignancy (other than adequately treated basal cell or squamous cell skin cancer, superficial bladder cancer, or any other cancer in situ currently in complete remission) within 5 years prior to randomization; severe/unstable angina, myocardial infarction, symptomatic congestive heart failure, arterial or venous thromboembolic events, or clinically significant ventricular arrhythmias within 6 months prior to randomization; uncontrolled hypertension; gastrointestinal disorder affecting absorption; active infection; and, any other condition that, in the opinion of the investigator, would impair the patient's ability to comply with study procedures

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: Braccio di trattamento A: Apalutamide

240 mg tablets administered by mouth on a continuous once daily dosing regimen

Comparatore placebo: Braccio di trattamento B: placebo

Matched placebo tablets administered by mouth on a continuous once daily dosing regimen

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Metastasis-Free Survival (MFS) by Blinded Independent Central Review (BICR)
Lasso di tempo: Up to approximately 43 Months

MFS was defined as the time from randomization to the time of first evidence of BICR-confirmed bone or soft tissue distant metastasis or death due to any cause, whichever occurred first. The MFS data for participants without metastasis or death were performed for US or ex-US regulatory purposes. Radiographic scans (bone scans and computerized tomography [CT] or magnetic resonance imaging [MRI] of the chest, abdomen, and pelvis) were performed for detection of metastasis throughout the study.

Up to approximately 43 Months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Time to Metastasis (TTM)
Lasso di tempo: Up to approximately 43 Months

Time to metastasis (TTM) was defined as the time from randomization to the time of the scan that showed first evidence of BICR-confirmed radiographically detected bone or soft tissue distant metastasis. The TTM data for participants without metastasis were performed for US or ex-US regulatory purposes. Radiographic scans (bone scans and CT or MRI of the chest, abdomen, and pelvis) were performed for detection of metastasis throughout the study.

Up to approximately 43 Months
Progression-free Survival (PFS)
Lasso di tempo: Up to approximately 43 Months

PFS defined as time from randomization to first documentation of BICR-confirmed radiographic progressive disease (PD) (development of distant/local/regional metastasis)/death due to any cause whichever occurred first. PFS data for participants without loco-regional disease were performed for US/ex-US regulatory purposes. Radiographic scans (bone scans and CT/MRI of chest,abdomen,pelvis) performed for detection of metastasis throughout study. PD based on RECIST v1.1; Subjects with one measurable lesion, At least 20% increase in sum of diameters of target lesions taking as reference smallest sum on study. In addition, sum must demonstrate an absolute increase of at least 5 millimeter(mm). Also, appearance of one/more new lesions was also considered PD. Subjects with non-measurable disease as per CT/MRI scans, unequivocal progression/appearance of one or more new lesions was considered PD. For new bone lesions detected on bone scans, second imaging (CT/MRI) was required to confirm PD.

Up to approximately 43 Months
Time to Symptomatic Progression
Lasso di tempo: Up to approximately 43 Months

Time to symptomatic progression was defined as the time from randomization to documentation in the CRF of any of the following (whichever occurred earlier): a) development of a skeletal-related event (pathologic fracture, spinal cord compression, or need for surgical intervention or radiation therapy to the bone); b) pain progression or worsening of disease-related symptoms requiring initiation of a new systemic anti-cancer therapy; or c) development of clinically significant symptoms due to loco-regional tumor progression requiring surgical intervention or radiation therapy.

Up to approximately 43 Months
Overall Survival
Lasso di tempo: Up to approximately 43 months

Overall survival was defined as the time from randomization to the date of death due to any cause.

Up to approximately 43 months
Time to Initiation of Cytotoxic Chemotherapy
Lasso di tempo: Up to approximately 43 months

Time to initiation of cytotoxic chemotherapy was defined as the time from randomization to the date of initiation of cytotoxic chemotherapy for prostate cancer.

Up to approximately 43 months

Collaboratori e investigatori

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

Sponsor

Investigatori

  • Direttore dello studio: Aragon Pharmaceuticals, Inc. Clinical Trial, Aragon Pharmaceuticals, 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 (Effettivo)

14 ottobre 2013

Completamento primario (Effettivo)

19 maggio 2017

Completamento dello studio (Stimato)

31 dicembre 2027

Date di iscrizione allo studio

Primo inviato

17 settembre 2013

Primo inviato che soddisfa i criteri di controllo qualità

17 settembre 2013

Primo Inserito (Stimato)

19 settembre 2013

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

28 settembre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

24 settembre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • CR102931
  • 2012-004322-24 (Numero EudraCT)
  • ARN-509-003; 56021927PCR1007 (Altro identificatore: Janssen Research & Development, LLC)

Informazioni su farmaci e dispositivi, documenti di studio

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

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 .