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CompletedLast updated: 15 August 2025

ARANOTE: This Phase III trial is trying to understand the safety and effectiveness of a hormone therapy drug (darolutamide) in combination with standard hormone therapy (adrogen deprivation therapy) in people with metastatic hormone sensitive prostate cancer.A Randomized, Double-blind, Placebo-controlled Phase 3 Study of Darolutamide in Addition to Androgen Deprivation Therapy (ADT) Versus Placebo Plus ADT in Men With Metastatic Hormone-sensitive Prostate Cancer (mHSPC)

Trial purpose

Medical clipboardCancer treatment

Tumor type

Urinary System Cancers Genitourinary

Age

People18+

Trial acronym

ARANOTE

Clinical summary

Summary

This is a randomised study with experimental and placebo comparator arms. Participants in the Experimental Arm will receive darolutamide 600mg (2 tablets of 300mg) orally, twice daily with food and androgen deprivation therapy (ADT) of investigator's choice as standard therapy. Participants in the Placebo Comparator Arm will receive a placebo (orally) twice daily, and ADT of investigator's choice as standard therapy.

Conditions

This trial is treating people with metastatic hormone sensitive prostate cancer

Eligibility

Inclusion

  • Histologically or cytologically confirmed adenocarcinoma of prostate
  • Metastatic disease
  • Started ADT (LHRH agonist/antagonist or orchiectomy) with or without first generation anti-androgen, but not earlier than 12 weeks before randomization
  • Eastern Cooperative Oncology Group (ECOG) Performance Status (PS) of 0, 1 or 2
  • Adequate bone marrow, liver and renal function

Exclusion

  • Prior treatment with: LHRH agonist/antagonists except neoadjuvant and /or adjuvant therapy; Second-generation androgen receptor (AR) inhibitors such as enzalutamide, darolutamide, apalutamide or other investigational AR inhibitors; Cytochrome P17 enzyme inhibitor such as abiraterone acetate or oral ketoconazole as anti-cancer treatment for prostate cancer; Chemotherapy including docetaxel or immunotherapy for prostate cancer; Use of systemic corticosteroid with dose greater than the equivalent 10 mg of prednisone/day within 28 days prior to randomization; Radiopharmaceuticals; Any other anti-cancer treatment for prostate cancer, excluding local therapies and ADT.
  • Treatment with radiotherapy within 2 weeks before randomization
  • Contraindication to iodinated CT and gadolinium chelate MRI intravenous contrast agent(s)
  • Had any of the following within 6 months before randomization: stroke, myocardial infarction, severe/unstable angina pectoris, coronary/peripheral artery bypass graft, congestive heart failure (New York Heart Association Class III or IV)
  • Uncontrolled hypertension as indicated by a resting systolic BP ≥ 160 mmHg or diastolic BP ≥ 100 mmHg despite medical management
  • A gastrointestinal (GI) disorder or procedure which is expected to interfere significantly with absorption of study drug
  • 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
  • Inability to swallow oral medications

Inclusion

  • Your cancer has spread to other parts of the body (metastatic) or has grown into nearby parts of the body (locally advanced).
  • You have had treatment but your cancer has gotten worse or has not responded to the treatment you have been given.
  • You are able to swallow medication by mouth.

Exclusion

  • You have been diagnosed with a prior or secondary type of cancer.
  • You have certain types of non-cancer medical conditions.
  • You have had certain treatments, surgical procedures or drugs.
Message

Clinical trials have complex eligibility criteria, and other criteria may apply for this trial. Ask your doctor about whether this trial could be right for you.

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More information

Trial Identifiers

Information on this page is partially produced from ClinicalTrials.gov *. View further details about this trial on the registry via the links below:

Trial sponsor

Bayer Inc

Scientific Title

A Randomized, Double-blind, Placebo-controlled Phase 3 Study of Darolutamide in Addition to Androgen Deprivation Therapy (ADT) Versus Placebo Plus ADT in Men With Metastatic Hormone-sensitive Prostate Cancer (mHSPC)

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