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A Study to Learn About the Investigational Drug Rinzimetostat (ORIC-944) in Patients With mCRPC Who Were Previously Treated With Abiraterone Acetate (Himalayas-1) (Himalayas-1)

2. september 2026 oppdatert av: ORIC Pharmaceuticals

A Phase 3, Randomized, Open-Label Study of Rinzimetostat (ORIC-944) in Combination With Darolutamide Compared With ARPI or Docetaxel in Patients With Metastatic Castration Resistant Prostate Cancer Previously Treated With Abiraterone Acetate (Himalayas-1)

Himalayas-1 is a randomized, open-label, global, multicenter phase 3 study evaluating whether the combination of rinzimetostat with darolutamide is more effective compared to physician's choice of control; ARPI (darolutamide or enzalutamide) or docetaxel for treating patients with metastatic castration resistant prostate cancer (mCRPC) who were previously treated with abiraterone acetate.

The primary objective of this study is to demonstrate superiority in radiographic progression free survival (rPFS) of the investigational arm of rinzimetostat + darolutamide combination versus physician's choice of control: ARPI (darolutamide or enzalutamide) or docetaxel.

Studieoversikt

Status

Rekruttering

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

600

Fase

  • Fase 3

Kontakter og plasseringer

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

Studiekontakt

Studiesteder

  • Forente stater
    • Indiana
      • Jeffersonville, Indiana, Forente stater, 40207
        • Rekruttering
        • First Urology PSC
    • North Carolina
      • Charlotte, North Carolina, Forente stater, 29464
        • Rekruttering
        • Urology Specialists of the Carolinas - University Place
        • Hovedetterforsker:
          • Jeremy Hubbard, MD
    • Ohio
      • Canton, Ohio, Forente stater, 44718
        • Rekruttering
        • Gabrail Cancer Center Research
    • Texas
      • Dallas, Texas, Forente stater, 75231
        • Rekruttering
        • Urology Clinics of North Texas
      • Fort Worth, Texas, Forente stater, 76132
        • Rekruttering
        • Urology Partners of North Texas (UPNT)
      • Houston, Texas, Forente stater, 77027
        • Rekruttering
        • Houston Metro Urology (HMU)
    • Utah
      • Murray, Utah, Forente stater, 84107
        • Rekruttering
        • Summit Urology
        • Hovedetterforsker:
          • Stewart Landau, MD

Deltakelseskriterier

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

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Histologically or cytologically confirmed adenocarcinoma of the prostate without small cell features
  • Progressive disease in the setting of surgical or medical castration with evidence of disease progression on treatment with abiraterone acetate in the mCSPC setting or first line mCRPC setting is required
  • Metastatic disease in bone documented on bone scan, or in soft tissue documented on CT/MRI scan
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1
  • Adequate organ function

Exclusion Criteria:

  • Prior treatment for prostate cancer at any stage with cytotoxic chemotherapy, radioligand therapy (ie, 177Lu -PSMA-617, radium-223), ARPIs including apalutamide, darolutamide, and enzalutamide, PARP monotherapy or other systemic anticancer treatment (approved drugs or experimental compounds such as, antibody therapy, immunotherapy, gene or cell therapy, angiogenesis inhibitors, CDK4/6 inhibitors, PRC2 inhibitors) with the following exceptions:

    1. Treatment with first-generation antiandrogen agents (eg, bicalutamide, flutamide, nilutamide), but must be discontinued prior to the first dose of study medication
    2. Docetaxel treatment is allowed for mCSPC, as long as no signs of failure or disease progression occurred during treatment or within 3 months of treatment completion
  • Any other anticancer therapy (drug or vaccine which does not meet exclusion criterion 1 above) within 28 days or 5 half-lives (whichever is longer) prior to randomization
  • Known or suspected brain metastasis or active leptomeningeal disease
  • Clinically significant cardiovascular disease defined as:
  • Any medical (including active or clinically significant bacterial, fungal, or viral infection) or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator's judgment, make the patient inappropriate for the study
  • Active inflammatory gastrointestinal disease, chronic diarrhea, or previous gastric resection or lap-band surgery are excluded

Studieplan

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

Hvordan er studiet utformet?

Designdetaljer

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

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Aktiv komparator: Investigational Arm
Rinzimetostat + darolutamide
Legemiddel: Rinzimetostat
400 mg once daily (QD)
Andre navn:
  • ORIC-944
Legemiddel: Darolutamide
600 mg twice daily (BID)
Andre navn:
  • Nubeqa
Aktiv komparator: Physician's Choice
Control Arm
Legemiddel: Darolutamide
600 mg twice daily (BID)
Andre navn:
  • Nubeqa
Legemiddel: Enzalutamide
160 mg once daily (QD)
Andre navn:
  • Xtandi
Legemiddel: Docetaxel
75 mg/m2 intravenously (IV) every 21 days for up to 10 cycles
Andre navn:
  • Taxotere

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Radiographic Progression Free Survival assessed by blinded independent central review (BICR) per RECIST v1.1 and Prostate Cancer Clinical Trials Working Group 3 (PCWG3)
Tidsramme: Randomization up to ~2 years
Radiographic Progression Free Survival is defined as the time from the date of randomization to first evidence of radiographic progression as assessed in soft tissue by RECIST 1.1 or in bone per PCWG3 guideline by BICR, or death, whichever occurs first
Randomization up to ~2 years

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Overall Survival (OS)
Tidsramme: 5 years
OS is defined as time from date of randomization to date of death due to any cause
5 years
Objective response rate (ORR)
Tidsramme: Randomization up to ~2 years
ORR is defined as proportion of patients with measurable soft tissue disease at baseline who have a confirmed objective response of complete response (CR) or partial response (PR)
Randomization up to ~2 years
Duration of Response (DoR)
Tidsramme: Randomization up to ~2 years
DOR is defined as time of first response to first documentation of radiographic progression or death, whichever occurs first
Randomization up to ~2 years
Prostate Specific Antigen (PSA) response
Tidsramme: Randomization up to ~2 years
Defined as the proportion of patients with a confirmed ≥50% and ≥90% decline in PSA from baseline as per the PCWG3 criteria, along with the maximum decline in PSA occurring at any point on study
Randomization up to ~2 years
Time to PSA progression
Tidsramme: Randomization up to ~2 years
Measured from the start of treatment until criteria for PSA progression are met as per PCWG3
Randomization up to ~2 years
Time to initiation of antineoplastic therapy
Tidsramme: Randomization up to ~4 years
Time from randomization to first symptomatic skeletal event (symptomatic bone fractures, spinal cord compression, surgery or radiation to the bone whichever is first)
Randomization up to ~4 years
Time to first symptomatic skeletal event
Tidsramme: Randomization up to ~4 years
Time from randomization to first symptomatic skeletal event (symptomatic bone fractures, spinal cord compression, surgery or radiation to the bone whichever is first) Compare patient reported outcomes (PROs) between the investigational treatment and control arms
Randomization up to ~4 years
Change from baseline in patient reported pain symptoms per Brief Pain Inventory-Short Form (BPI-SF)
Tidsramme: Randomization up to ~4 years
Analysis of Brief Pain Inventory-Short Form (BPI-SF) will be based on the pain severity score (mean of individual BPI-SF items 3, 4, 5 and 6), the pain interference score (the mean of items 9A-9G), and the single BPI-SF Item 3 which asks the patient to rate pain at its worst in the last 24 hours
Randomization up to ~4 years
Change from baseline in health-related quality of life (HRQoL) per Functional Assessment of Cancer Therapy - Prostate (FACT-P)
Tidsramme: Randomization up to ~4 years
Change from baseline in HRQoL (FACT-P total score) will be presented. The FACT-P total score will be calculated based on the participant responses to the 39 items in the FACT-P questionnaire. Each item is rated on a 0 to 4 Likert-type scale and then combined to produce the FACT-P total score (0-156), with higher scores representing better health-related quality of life
Randomization up to ~4 years
Change from baseline in social/family well-being per Functional Assessment of Cancer Therapy - Prostate (FACT-P)
Tidsramme: Randomization up to ~4 years
Change from baseline in social/family well-being score will be presented. The social/family well-being score will be calculated based on 7 items in the FACT-P questionnaire; score range 0-28. Each item is rated on a 0 to 4 Likert-type scale
Randomization up to ~4 years
Change from baseline in functioning well-being per Functional Assessment of Cancer Therapy - Prostate (FACT-P)
Tidsramme: Randomization up to ~4 years
Change from baseline in functioning well-being score will be presented. The functioning well-being score will be calculated based on 7 items in the FACT-P questionnaire; score range 0-28. Each item is rated on a 0 to 4 Likert-type scale
Randomization up to ~4 years
Change from baseline in physical well-being per Functional Assessment of Cancer Therapy - Prostate (FACT-P)
Tidsramme: Randomization up to ~4 years
Change from baseline in physical well-being score will be presented. The physical well-being score will be calculated based on 7 items in the FACT-P questionnaire; score range 0-28. Each item is rated on a 0 to 4 Likert-type scale
Randomization up to ~4 years
Change from baseline in symptoms per Functional Assessment of Cancer Therapy - Prostate (FACT-P)
Tidsramme: Randomization up to ~4 years
Change from baseline prostate cancer symptoms (PCS) score will be presented. The PCS score will be calculated based on 12 items in the FACT-P questionnaire; score range 0-48. Each item is rated on a 0 to 4 Likert-type scale
Randomization up to ~4 years
Change from baseline in patient reported health status per European Quality of Life 5-Dimension 5 Level (EQ-5D-5L)
Tidsramme: Randomization up to ~4 years
Participants will self-rate their current state of mobility, self-care, usual activities, pain/discomfort, and anxiety/depression by choosing 1 of 5 possible responses that record the level of severity (no problems, slight problems, moderate problems, severe problems, or extreme problems) within each dimension. The questionnaire also includes a visual analog scale to self-rate general health state on a scale from "the worst health you can imagine" to "the best health you can imagine."
Randomization up to ~4 years
Symptomatic toxicity as measured by items from the Patient-Reported Outcome CTCAE (PRO-CTCAE)
Tidsramme: Randomization up to ~2 years
Each selected PRO-CTCAE items will be assessed related to one or more attributes that include counts for the frequency, severity, and/or interference with usual or daily activities
Randomization up to ~2 years
Overall side effect burden as measured by the FACT- GP5
Tidsramme: Randomization up to ~2 years
The FACT-GP5 question assesses overall side effect burden with the following response options "I am bothered by side effects of treatment," is rated on a 5-point scale ranging from "not at all" (0) to "very much" (4) and counts will be presented
Randomization up to ~2 years
Time to confirmatory deterioration in patient-reported pain symptoms per BPI-SF Item 3 "worst pain in 24 hours"
Tidsramme: Randomization up to ~4 years
Defined as the time from randomization to onset of pain progression, which is defined as > 2-point increase from baseline in the score from the BPI-SF Question 3 that is confirmed at the next consecutive assessment > 4 weeks apart or an initial deterioration followed by death before the next assessment
Randomization up to ~4 years
Time to definitive deterioration in patient-reported health related quality of life (HRQoL) per FACT-P
Tidsramme: Randomization up to ~4 years
Defined as the time from randomization to onset of definitive deterioration in FACT-P total score, which is defined as >10 point decrease from baseline and no subsequent observations with a <10 point decrease from baseline FACT-P total score
Randomization up to ~4 years
Time to definitive deterioration in patient-reported physical well-being per FACT-P
Tidsramme: Randomization up to ~4 years
Time to definitive deterioration in physical well-being (PWB) per FACT-P is defined as the time from randomization to onset of definitive deterioration in physical well-being, which is defined as ≥3-point
Randomization up to ~4 years
Incidence of Adverse Events (AEs)
Tidsramme: Randomization up to ~2 years
Type, incidence, relationship to study treatments, severity, and seriousness of AEs [as graded by National Cancer Institute (NCI) common terminology criteria for adverse events (CTCAE) v6.0] and other clinical assessments
Randomization up to ~2 years
Evaluate the pharmacokinetics (PK) of rinzimetostat in combination with darolutamide
Tidsramme: Randomization up to ~1 year
Rinzimetostat characterized by predose and postdose plasma concentrations at selected time points
Randomization up to ~1 year

Samarbeidspartnere og etterforskere

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

Sponsor

ORIC Pharmaceuticals

Samarbeidspartnere

Bayer

Studierekorddatoer

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

Studer hoveddatoer

Studiestart (Faktiske)

3. august 2026

Primær fullføring (Antatt)

1. mars 2028

Studiet fullført (Antatt)

1. september 2030

Datoer for studieregistrering

Først innsendt

18. juni 2026

Først innsendt som oppfylte QC-kriteriene

20. juli 2026

Først lagt ut (Faktiske)

23. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

3. september 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

2. september 2026

Sist bekreftet

1. september 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • ORIC-944-05
  • 2026-525340-15-00 (Ctis)

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Ja

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

produkt produsert i og eksportert fra USA

Nei

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