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Two Studies for Patients With Unfavorable Intermediate Risk Prostate Cancer Testing Less Intense Treatment for Patients With a Low Gene Risk Score and Testing a More Intense Treatment for Patients With a Higher Gene Risk Score

Clinicaltrials.gov ID: NCT05050084
db-list-check Status RECRUITING
b-loader Phase PHASE3
b-people Age ≥ 18 Years
b-bullseye-arrow Enrollments 2050

Conditions

Prostate Adenocarcinoma

Drugs

Bicalutamide, Buserelin, Darolutamide, Degarelix, Flutamide, Goserelin, Histrelin, Leuprolide, Relugolix, Triptorelin

Summary

This phase III trial uses the Decipher risk score to guide intensification (for higher Decipher gene risk) or de-intensification (for low Decipher gene risk) of treatment to better match therapies to an individual patient's cancer aggressiveness. The Decipher risk score evaluates a prostate cancer tumor for its potential for spreading. In patients with low risk scores, this trial compares radiation therapy alone to the usual treatment of radiation therapy and hormone therapy (androgen deprivation therapy). Radiation therapy uses high energy x-rays or particles to kill tumor cells and shrink tumors. Androgen deprivation therapy blocks the production or interferes with the action of male sex hormones such as testosterone, which plays a role in prostate cancer development. Giving radiation treatment alone may be the same as the usual approach in controlling the cancer and preventing it from spreading, while avoiding the side effects associated with hormonal therapy. In patients with higher Decipher gene risk, this trial compares the addition of darolutamide to usual treatment radiation therapy and hormone therapy, to usual treatment. Darolutamide blocks the actions of the androgens (e.g. testosterone) in the tumor cells and in the body. The addition of darolutamide to the usual treatment may better control the cancer and prevent it from spreading.

Detailed Description

PRIMARY OBJECTIVES:

I. To determine whether men with National Comprehensive Cancer Network (NCCN) unfavorable intermediate risk (UIR) prostate cancer and lower Decipher genomic risk (Decipher score < 0.40) treated with radiation therapy (RT) alone instead of 6 months androgen deprivation therapy (ADT) + RT experience non-inferior rate of distant metastasis. (De-intensification study) II. To determine whether men with NCCN UIR prostate cancer who are in the higher genomic risk (Decipher score >= 0.40) will have a superior metastasis-free survival through treatment intensification with darolutamide added to the standard of RT plus 6 months ADT. (Intensification study)

SECONDARY OBJECTIVES:

I. To compare overall survival (OS) between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

II. To compare time to prostate specific antigen (PSA) failure between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

III. To compare metastasis free survival (MFS) based on conventional imaging between the standard of care (RT plus 6 months of ADT) and de-intensification intervention (RT alone).

IV. To compare MFS based on either conventional and/or molecular imaging between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

V. To compare cumulative incidence of locoregional failure based upon conventional imaging and/ or biopsy between standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months ADT plus darolutamide) interventions.

VI. To compare cumulative incidence of distant metastasis based upon conventional imaging between standard of care (RT plus 6 months of ADT) and intensification intervention (RT plus 6 months ADT plus darolutamide).

VII. To compare cumulative incidence of distant metastasis based upon either conventional and/or molecular imaging between standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

VIII. To compare prostate cancer-specific mortality between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

IX. To compare sexual and hormonal related quality of life, as measured by the Expanded Prostate Cancer Index Composite-26 (EPIC), between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

X. To compare fatigue, as measured by the Patient Reported Outcomes Measurement Information System (PROMIS)-Fatigue instrument, between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

XI. To compare cognition, as measured by the Functional Assessment of Chronic Illness Therapy-Cognitive (FACT-Cog) perceived cognitive abilities subscale, between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

EXPLORATORY OBJECTIVES:

I. To compare changes in cardio-metabolic markers, including body mass index, lipids, blood glucose, complete blood count (CBC), comprehensive metabolic panel (CMP), and hemoglobin (Hgb) A1c, between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

II. To compare PSA failure-free survival with non-castrate testosterone and no additional therapies between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

III. To compare cumulative incidence of locoregional failure based upon either conventional and/or molecular imaging between standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

IV. To compare castrate-resistant prostate cancer (CRPC) between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

V. To compare bowel and urinary function related quality of life, as measured by the Expanded Prostate Cancer Index Composite-26 (EPIC), between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

VI. To compare time to testosterone recovery (defined as a T > 200ng/dL) between the standard of care (RT plus 6 months of ADT) and intensification (RT plus 6 months of ADT plus darolutamide) interventions.

VII. To compare health utilities, as measured by the European Quality of Life Five Dimension Five Level Scale (EQ-5D-5L), between the standard of care (RT plus 6 months of ADT) and either the de-intensification (RT alone) or intensification (RT plus 6 months of ADT plus darolutamide) interventions.

VIII. To develop and assess a machine learning/artificial intelligence algorithm for radiotherapy planning and/or quality assurance.

IX. To perform future translational correlative studies using biological data, Decipher results, and clinical outcomes.

OUTLINE:

DE-INTENSIFICATION STUDY: Patients with Decipher score < 0.40 are randomized to 1 of 2 arms.ARM I: Patients undergo RT using a recognized regimen (2-3 days a week or 5 days a week for 2-11 weeks) in the absence of disease progression or unacceptable toxicity.ARM II: Patients undergo RT as Arm I. Patients also receive ADT consisting of leuprolide, goserelin, buserelin, histrelin, triptorelin, degarelix, or relugolix at the discretion of the treating physician, for 6 months in the absence of disease progression or unacceptable toxicity. Patients may also receive bicalutamide or flutamide for 0, 30 or 180 days.INTENSIFICATION STUDY: Patients with Decipher score >= 0.40 are randomized to 1 of 2 arms.

ARM III: Patients receive treatment as in Arm II.

ARM IV: Patients receive RT and ADT as in Arm II. Patients also receive darolutamide orally (PO) twice daily (BID). Treatment repeats every 90 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up at 3, 6, 12, 24, 36, 48 and 60 months.

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  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

  • Site Public Contact
  • 414-805-0505

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

  • Site Public Contact
  • 262-928-7878

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

  • Site Public Contact
  • 877-405-6866

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

  • Site Public Contact
  • 414-805-0505

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

Principal Investigator

  • Neil B Desai, MD

Status

  • RECRUITING

Contact Person

  • Site Public Contact
  • 715-422-7718

Principal Investigator

  • Neil B Desai, MD

Eligibility Criteria

Inclusion Criteria:

* Pathologically (histologically or cytologically) proven diagnosis of adenocarcinoma of the prostate within 270 days prior to registration
* Unfavorable intermediate risk prostate cancer, defined as having ALL the following bulleted criteria:

* Has at least one intermediate risk factor (IRF):

* PSA 10-20 ng/mL
* Clinical stage T2b-c (digital rectal examination [DRE] and/or imaging) by American Joint Committee on Cancer (AJCC) 8th edition
* Gleason score 7 (Gleason 3+4 or 4+3 [ International Society of Urological Pathology (ISUP) Grade Group 2-3])
* Has ONE or more of the following 'unfavorable' intermediate-risk designators:

* > 1 immature reticulocyte fraction (IRF)
* Gleason 4+3=7 (ISUP Grade Group 3)
* >= 50% of biopsy cores positive

* Biopsies may include 'sextant' sampling of right/left regions of the prostate, often labeled base, mid-gland and apex. All such 'sextant' biopsy cores should be counted. Men may also undergo 'targeted' sampling of prostate lesions (guided by MRI, ultrasound or other approaches). A targeted lesion that is biopsied more than once and demonstrates cancer (regardless of number of targeted cores involved) should count as a single additional positive core sampled and positive. In cases of uncertainty, count the biopsy sampling as sextant core(s)
* Absence of high-risk features
* Appropriate stage for study entry based on the following diagnostic workup:

* History/physical examination within 120 days prior to registration;
* Negative bone imaging (M0) within 120 days prior to registration; Note: Tc-99m bone scan or sodium fluoride (NaF) positron emission tomography (PET) are allowed. Equivocal bone scan findings are allowed if plain films X-ray, computed tomography (CT) or magnetic resonance imaging (MRI) are negative for metastasis at the concerned site(s). While a negative fluciclovine, choline, or prostate specific membrane antigen (PSMA) PET may be counted as acceptable substitute for bone imaging, any suspicious findings must be confirmed and correlated with conventional imaging (Tc-99m bone scan, NaF PET, CT, X-ray, or MRI) to determine eligibility based on the latter modalities (e.g. M0 based on conventional imaging modalities)
* Clinically negative lymph nodes (N0) as established by conventional imaging (pelvic +/- abdominal CT or MR), within 120 days prior to registration. Patients with lymph nodes equivocal or questionable by imaging are eligible if the nodes are =< 1.0 cm in short axis and/or if biopsy is negative.

Note: While a negative fluciclovine, choline, or prostate specific membrane antigen (PSMA) PET may be counted as acceptable substitute for pelvic imaging, any suspicious findings must be confirmed by conventional imaging (CT, MRI or biopsy). If the findings do not meet pathological criteria based on the latter modalities (e.g. node =< 10 mm in short axis, negative biopsy), the patient will still be eligible

* Age >= 18
* Eastern Cooperative Oncology Group (ECOG) performance status of 0-2 within 120 days prior to registration
* Non-castrate testosterone level (> 50 ng/dL) within 120 days prior to registration
* Absolute neutrophil >= 1,000 cells/mm^3 (within 120 days prior to registration)
* Hemoglobin >= 8.0 g/dL, independent of transfusion and/or growth factors (within 120 days prior to registration)
* Platelet count >= 100,000 cells/mm^3 independent of transfusion and/or growth factors (within 120 days prior to registration)
* Creatinine clearance (CrCl) >= 30 mL/min estimated by Cockcroft-Gault equation (within 120 days prior to registration)

* For African American patients specifically whose renal function is not considered adequate by the formula above, an alternative formula that takes race into account (Chronic Kidney Disease Epidemiology Collaboration CKD-EPI formula) should be used for calculating the related estimated glomerular filtration rate (GFR) with a correction factor for African American race creatinine clearance for trial eligibility, where GFR >= 30 mL/min/1.73m^2 will be considered adequate
* Total bilirubin: 1.5 =< institutional upper limit of normal (ULN) (within 120 days prior to registration) (Note: In subjects with Gilbert's syndrome, if total bilirubin is > 1.5 x ULN, measure direct and indirect bilirubin. If direct bilirubin is less than or equal to 1.5 x ULN, subject is eligible)
* Aspartate aminotransferase (AST)(serum glutamic-oxaloacetic transaminase [SGOT]) and alanine aminotransferase (ALT)(serum glutamate pyruvate transaminase [SGPT]): =< 2.5 x institutional ULN (within 120 days prior to registration)
* Human immunodeficiency virus (HIV)-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial; Note: HIV testing is not required for eligibility for this protocol
* For patients with evidence of chronic hepatitis B virus (HBV) infection, the HBV viral load must be undetectable on suppressive therapy, if indicated.

* Note: Known positive test for hepatitis B virus surface antigen (HBV sAg) indicating acute or chronic infection would make the patient ineligible unless the viral load becomes undetectable on suppressive therapy. Patients who are immune to hepatitis B (anti-Hepatitis B surface antibody positive) are eligible (e.g. patients immunized against hepatitis B)
* For patients with a history of hepatitis C virus (HCV) infection must have been treated and cured. For patients with HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load

* Note: Known positive test for hepatitis C virus ribonucleic acid (HCV RNA) indicating acute or chronic infection would make the patient ineligible unless the viral load becomes undetectable on suppressive therapy
* The patient or a legally authorized representative must provide study-specific informed consent prior to study entry and, for patients treated in the United States (U.S.), authorization permitting release of personal health information

Exclusion Criteria:

* Previous radical surgery (prostatectomy) or any form of curative-intent ablation whether focal or whole-gland (e.g., cryosurgery, high intensity focused ultrasound [HIFU], laser thermal ablation, etc.) for prostate cancer
* Definitive clinical or radiologic evidence of metastatic disease (M1)
* Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free for a minimum of 3 years. History of or current diagnosis of hematologic malignancy is not allowed
* Prior radiotherapy to the prostate/pelvis region that would result in overlap of radiation therapy fields
* Previous bilateral orchiectomy
* Previous hormonal therapy, such as luteinizing hormone-releasing hormone (LHRH) agonists (e.g., leuprolide, goserelin, buserelin, triptorelin) or LHRH antagonist (e.g. degarelix), anti-androgens (e.g., flutamide, bicalutamide, cyproterone acetate). ADT started prior to study registration is not allowed
* Prior use of 5-alpha-reductase inhibitors is allowed, however, it must be stopped prior to enrollment on the study with at least a 30 day washout period before baseline study PSA measure and registration
* Active testosterone replacement therapy; any replacement therapy must be stopped at least 30 days prior to registration
* Severe, active co-morbidity defined as follows:

* Current severe or unstable angina;
* New York Heart Association Functional Classification III/IV (Note: Patients with known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using the New York Heart Association Functional Classification)
* History of any condition that in the opinion of the investigator, would preclude participation in this study
* Inability to swallow oral pills
* High risk features, which includes any of the following:

* Gleason 8-10 [ISUP Grade Group 4-5]
* PSA > 20
* cT3-4 by digital exam OR gross extra-prostatic extension on imaging [indeterminate MRI evidence will not count and the patient will be eligible]

Study Plan

Arm I (RT)

EXPERIMENTAL

Patients undergo RT using a recognized regimen (2-3 days a week or 5 days a week for 2-11 weeks) in the absence of disease progression or unacceptable toxicity.

  • RADIATION:

    Radiation Therapy

    Description:

    Undergo RT

Arm II (RT, ADT)

EXPERIMENTAL

Patients undergo RT as Arm I. Patients also receive ADT consisting of leuprolide, goserelin, buserelin, histrelin, triptorelin, degarelix, or relugolix at the discretion of the treating physician, for 6 months in the absence of disease progression or unacceptable toxicity. Patients may also receive bicalutamide or flutamide for 0, 30 or 180 days.

  • DRUG:

    Bicalutamide

    Description:

    Anti-androgen

  • DRUG:

    Buserelin

    Description:

    GnRH agonist

  • DRUG:

    Degarelix

    Description:

    GnRH antagonist

  • DRUG:

    Flutamide

    Description:

    Anti-androgen

  • DRUG:

    Goserelin

    Description:

    GnRH agonist

  • DRUG:

    Histrelin

    Description:

    GnRH agonist

  • DRUG:

    Leuprolide

    Description:

    GnRH agonist

  • RADIATION:

    Radiation Therapy

    Description:

    Undergo RT

  • DRUG:

    Relugolix

    Description:

    GnRH antagonist

  • DRUG:

    Triptorelin

    Description:

    GnRH agonist

Arm III (RT, ADT)

EXPERIMENTAL

Patients receive treatment as in Arm II.

  • DRUG:

    Bicalutamide

    Description:

    Anti-androgen

  • DRUG:

    Buserelin

    Description:

    GnRH agonist

  • DRUG:

    Degarelix

    Description:

    GnRH antagonist

  • DRUG:

    Flutamide

    Description:

    Anti-androgen

  • DRUG:

    Goserelin

    Description:

    GnRH agonist

  • DRUG:

    Histrelin

    Description:

    GnRH agonist

  • DRUG:

    Leuprolide

    Description:

    GnRH agonist

  • RADIATION:

    Radiation Therapy

    Description:

    Undergo RT

  • DRUG:

    Relugolix

    Description:

    GnRH antagonist

  • DRUG:

    Triptorelin

    Description:

    GnRH agonist

Arm IV (RT, ADT, darolutamide)

EXPERIMENTAL

Patients receive RT and ADT as in Arm II. Patients also receive darolutamide PO BID on days 1-90. Treatment repeats every 90 days for up to 2 cycles in the absence of disease progression or unacceptable toxicity.

  • DRUG:

    Buserelin

    Description:

    GnRH agonist

  • DRUG:

    Darolutamide

    Description:

    Anti-androgen

  • DRUG:

    Degarelix

    Description:

    GnRH antagonist

  • DRUG:

    Goserelin

    Description:

    GnRH agonist

  • DRUG:

    Histrelin

    Description:

    GnRH agonist

  • DRUG:

    Leuprolide

    Description:

    GnRH agonist

  • RADIATION:

    Radiation Therapy

    Description:

    Undergo RT

  • DRUG:

    Relugolix

    Description:

    GnRH antagonist

  • DRUG:

    Triptorelin

    Description:

    GnRH agonist

Outcome Measures

Primary Outcome Measures

Distant Metastasis (DM) (De-intensification study)

Time Frame: From randomization to the detection of distant metastasis by conventional imaging, assessed up to 11 years

Metastasis-Free Survival (MFS) (Intensification study)

Time Frame: From randomization until the occurrence of distant metastasis by conventional imaging or death from any cause, assessed up to 8 years

Secondary Outcome Measures

Overall Survival

Time Frame: From randomization to death from any cause, assessed up to 11 years

Time to Prostate Specific Antigen (PSA) failure

Time Frame: Up to 11 years

MFS (De-intensification study)

Time Frame: From randomization until the occurrence of distant metastasis by conventional imaging or death from any cause, assessed up to 11 years

MFS including positron emission tomography (PET) imaging

Time Frame: From randomization until the occurrence of distant metastasis by conventional and/or molecular imaging or death from any cause, assessed up to 11 years

Locoregional failure (LRF)

Time Frame: From randomization until local or regional recurrence based upon conventional imaging or biopsy, assessed up to 11 years

Distant Metastasis (DM) including PET imaging

Time Frame: From randomization to the detection of distant metastasis by conventional and/or molecular imaging, assessed up to 11 years

Prostate cancer-specific mortality

Time Frame: From randomization until death from prostate cancer, assessed up to 11 years

Sexual and hormonal function related quality of life

Time Frame: Up to 5 years

Fatigue

Time Frame: Up to 5 years

Cognition

Time Frame: Up to 5 years

Distant Metastasis (Intensification study)

Time Frame: From randomization to the detection of distant metastasis by conventional imaging, assessed up to 11 years

Locoregional progression

Time Frame: Up to 11 years

Timeline

  • Last Updated
    February 7, 2024
  • Start Date
    September 20, 2021
  • Today
    April 21, 2025
  • Completion Date ( Estimated )
    April 30, 2037

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