- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04267887
Advanced ChemoHormonal Therapy for Treatment Naive Metastatic Prostate Cancer
Advanced ChemoHormonal Therapy for Treatment Naïve Metastatic Prostate Cancer: Apalutamide and Abiraterone Acetate With Prednisone and Androgen Deprivation Therapy After Treatment With Docetaxel and Androgen Deprivation Therapy
Study Overview
Status
Conditions
Detailed Description
PRIMARY OBJECTIVE:
I. Efficacy of apalutamide in combination with abiraterone acetate + prednisone following docetaxel with ongoing androgen deprivation therapy in men with high risk metastatic castration sensitive disease.
SECONDARY OBJECTIVES:
I. Safety and tolerability of apalutamide in combination with abiraterone acetate + prednisone following docetaxel with ongoing androgen deprivation therapy.
II. Time to event.
III. Depth of prostate specific antigen (PSA) response.
EXPLORATORY OBJECTIVES:
I. Quality of life.
II. Falls.
III. Molecular changes from prostate cancer over time.
OUTLINE:
Patients receive apalutamide orally (PO) once daily (QD), abiraterone acetate PO QD, and prednisone PO QD. Cycles repeat every 4 weeks in the absence of disease progression or unacceptable toxicity. Patients also receive androgen deprivation therapy per standard of care. Patients undergo computed tomography (CT) scan, bone scan and blood sample collection throughout the study.
After completion of study treatment, patients are followed up every 6 months for up to 10 years.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Oregon
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Portland, Oregon, United States, 97239
- OHSU Knight Cancer Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients must have histologically or cytologically confirmed prostate cancer OR a strong suspicion of prostate cancer as evidenced by metastatic disease in a pattern consistent with prostate cancer (such as blastic lesions on a nuclear medicine bone scan or lymphadenopathy on the computed tomography [CT] scan) AND a PSA > 50 ng/mL
Patients must meet either of the definitions for high risk disease as follows:
Definition 1: Must have at least 2 of the following 3 at the time diagnosed metastatic:
- visceral metastatic disease
- >=3 bone lesions
- Gleason 8-10 OR
- Definition 2: >=4 bone lesions, including >=1 outside of the vertebral column or pelvis and/or visceral metastatic disease
- If a patient has received androgen deprivation therapy (ADT) for neoadjuvant or adjuvant therapy at least 24 months MUST have elapsed since its use to day 1 of restarting ADT for metastatic castration sensitive disease
- ADT sensitive disease- no evidence of PSA progression or new metastatic deposits since starting ADT; PSA progression is defined as an increase in PSA greater than 25% above nadir, and >2 ng/ml increase confirmed by a second value obtained at least 2 weeks apart
- Have completed up to 6 cycles of docetaxel since developing metastatic castration sensitive disease with no more than 16 weeks elapsed since day 21 of the final cycle
- All races and ethnic groups will be included
- Life expectancy of greater than 18 months
- Eastern Cooperative Oncology Group (ECOG) performance status =< 2
- Hemoglobin > 9.0 g/dL, independent of transfusion and/or growth factors
- Leukocytes > 3,000/uL
- Absolute neutrophil count > 1,500/uL
- Platelets >= 100,000 x 10^9/uL, independent of transfusion and/or growth factors
- Total bilirubin =< 1.5 x upper limit of normal (ULN) (Note: In subjects with Gilbert's syndrome, if total bilirubin is > 1.5 x ULN, measure direct and indirect bilirubin and if direct bilirubin is =< 1.5 x ULN, subject may be eligible)
- Aspartate aminotransferase (AST)(serum glutamic oxaloacetic transaminase [SGOT])/alanine aminotransferase (ALT)(serum glutamic pyruvic transaminase [SGPT]) < 2.5 x institutional upper limit of normal
- Albumin > 3 g/dL
- Estimated glomerular filtration rate (eGFR) > 30 mL/min/1.73 m^2; per Modification of Diet in Renal Disease (MDRD) calculation or institutional standard
- Potassium >= 3.5 mmol/L
- Medications known to lower the seizure threshold must be discontinued or substituted at least 4 weeks prior to day 1 of study
- Agrees to use a condom (even men with vasectomies) and another effective method of birth control if he is having sex with a woman of childbearing potential or agrees to use a condom if he is having sex with a woman who is pregnant while on study drug and for 3 months following the last dose of study drug. Must also agree not to donate sperm during the study and for 3 months after receiving the last dose of study drug
- Ability to understand, and the willingness to sign, a written informed consent document, as well as comply with study requirements
Exclusion Criteria:
- Subjects who are unwilling to stop taking saw palmetto, PC-SPECs or other herbal agents known to affect the PSA
- Patients may not have received any other investigational agents within 30 days prior to day 1 of study
Prior exposure to apalutamide, enzalutamide, abiraterone acetate, darolutamide, or any other second-generation antiandrogen therapy
- Note: prior exposure to bicalutamide, flutamide, nilutamide, or any other first-generation androgen receptor antagonist is permitted. No washout is required. Subjects may be on one of these at the time of consent, but it must be stopped prior to day 1 of study treatment. These drugs are frequently used in the newly diagnosed metastatic setting to blunt the effect of the testosterone spike
- History of allergic reactions attributed to compounds of similar chemical or biologic composition to apalutamide or other agents used in the study
- Subject has another active malignancy other than non-melanomatous skin cancer (unless it is metastatic) or superficial bladder cancer
Either of the following:
- Seizure or known condition that may pre-dispose to seizure (e.g. prior stroke within 1 year, brain arteriovenous malformation, Schwannoma, meningioma, or other benign central nervous system [CNS] or meningeal disease which may require treatment with surgery or radiation therapy)
- Severe or unstable angina, myocardial infarction, symptomatic congestive heart failure or left ventricular ejection fraction < 50%, arterial or venous thromboembolic events (e.g. pulmonary embolism, cerebrovascular accident including transient ischemic attacks), or clinically significant ventricular arrhythmias within 6 months prior to day 1 of study
Current evidence of any of the following:
- Uncontrolled hypertension
- Gastrointestinal disorder affecting absorption
- Active infection (e.g. human immunodeficiency virus [HIV] or viral hepatitis)
- Any chronic medical condition requiring a higher dose of corticosteroid than a total of 10 mg prednisone/prednisolone daily
- Any condition that in the opinion of the investigator, would preclude participation in this study.
- Avoid concomitant strong CYP3A4 inducers during abiraterone acetate treatment. If a strong CYP3A4 inducer must be co-administered, increase the abiraterone acetate dosing frequency to twice a day only during the co-administration period (e.g., from 1,000 mg once daily to 1,000 mg twice a day).
- Avoid co-administration of abiraterone acetate with CYP2D6 substrates that have a narrow therapeutic index. If an alternative treatment cannot be used, exercise caution and consider a dose reduction of the concomitant CYP2D6 substrate
- Baseline moderate and severe hepatic impairment (Child Pugh Class B & C)
Inability to stop a prohibited medication:
- Atypical antipsychotics (e.g. clozapine, olanzapine, risperidone, ziprasidone)
- Bupropion
- Lithium
- Meperidine and pethidine
- Phenothiazine antipsychotics (e.g. chlorpromazine, mesoridazine, thioridazine)
- Tricyclic antidepressants (e.g. amitriptyline, desipramine, doxepin, imipramine, maprotiline, mirtazapine
- Tramadol
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (apalutamide, abiraterone acetate, prednisone, ADT)
Patients receive apalutamide PO QD, abiraterone acetate PO QD, and prednisone PO QD.
Cycles repeat every 4 weeks in the absence of disease progression or unacceptable toxicity.
Patients also receive androgen deprivation therapy per standard of care.
Patients undergo CT scan, bone scan and blood sample collection throughout the study.
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Ancillary studies
Undergo blood sample collection
Other Names:
Given PO
Other Names:
Given PO
Other Names:
Undergo CT scan
Other Names:
Given PO
Other Names:
Undergo bone scan
Other Names:
Given ADT per standard of care
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Complete prostate specific antigen (PSA) response
Time Frame: At 12 months from the start of treatment
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The complete PSA response is defined as a PSA =< 0.2 ng/ml, confirmed with a 2nd measurement at least 3 weeks later.
The estimated PSA response rate will be computed with 95% exact confidence interval.
Binomial exact test will be used to determine whether the complete PSA response rate is significantly greater than 43%.
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At 12 months from the start of treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival
Time Frame: From day 1 of treatment, assessed up to 10 years
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Overall survival will be assessed with each patient visit.
After the subject is off active follow up, survival will be assessed by phone.
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From day 1 of treatment, assessed up to 10 years
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Incidence of adverse events >= grade 2
Time Frame: Up to 10 years
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Determined by Common Terminology Criteria for Adverse Events (CTCAE) version 5.
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Up to 10 years
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Proportion of patients with PSA response >= 50% decrease
Time Frame: From baseline, assessed up to 12 months
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The proportion will be reported with 95% confidence interval.
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From baseline, assessed up to 12 months
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Proportion of patients with PSA response >= 90% decrease
Time Frame: From baseline, assessed up to 12 months
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The proportion will be reported with 95% confidence interval.
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From baseline, assessed up to 12 months
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Time to treatment failure
Time Frame: From start of treatment, assessed up to 10 years
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Kaplan-Meier plot will be used to describe the survival distributions.
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From start of treatment, assessed up to 10 years
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Time to biochemical (PSA) progression
Time Frame: From start of treatment, assessed up to 10 years
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Kaplan-Meier plot will be used to describe the survival distributions.
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From start of treatment, assessed up to 10 years
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Time to radiographic progression
Time Frame: From start of treatment, assessed up to 10 years
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Kaplan-Meier plot will be used to describe the survival distributions.
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From start of treatment, assessed up to 10 years
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Time to symptomatic progressive disease
Time Frame: From start of treatment, assessed up to 10 years
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Kaplan-Meier plot will be used to describe the survival distributions.
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From start of treatment, assessed up to 10 years
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Time to next therapy for metastatic castration resistant prostate cancer
Time Frame: From start of treatment, assessed up to 10 years
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Kaplan-Meier plot will be used to describe the survival distributions.
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From start of treatment, assessed up to 10 years
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Julie Graff, MD, OHSU Knight Cancer Institute
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Neoplasms by Histologic Type
- Neoplasms
- Urogenital Neoplasms
- Neoplasms by Site
- Neoplasms, Glandular and Epithelial
- Genital Neoplasms, Male
- Prostatic Diseases
- Urogenital Diseases
- Male Urogenital Diseases
- Genital Diseases, Male
- Genital Diseases
- Prostatic Neoplasms
- Carcinoma
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antineoplastic Agents
- Glucocorticoids
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Antineoplastic Agents, Hormonal
- Protective Agents
- Estrogens
- Micronutrients
- Cytochrome P-450 Enzyme Inhibitors
- Hormone Antagonists
- Vitamins
- Steroid Synthesis Inhibitors
- Antioxidants
- Anabolic Agents
- Prednisone
- Hormones
- Abiraterone Acetate
- Cortisone
- Ascorbic Acid
- Androgens
- Methyltestosterone
- Estrogens, Conjugated (USP)
- Androgen Antagonists
Other Study ID Numbers
- STUDY00016728 (Other Identifier: OHSU Knight Cancer Institute)
- NCI-2020-00598 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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