Neoadjuvant Therapy of Abiraterone Plus ADT for High Risk Prostate Cancer

Nanjing University

Status and phase: Unknown; Phase 2

Conditions: Prostate Cancer

Treatments: Drug: Goserelin 10.8 mg; Drug: Abiraterone Acetate; Drug: Prednisone

Study type: Interventional

Funder types: Other

Identifiers

NCT04356430

IUNU-PC-101

Details and patient eligibility

About

High risk prostate cancer (PCa) had worse outcomes on radical treatment results, short-time oncological results, even cancer-specific survival, than those low or mediate risk PCa. Neoadjuvant treatment before radical prostatectomy had been proven to get some benefits on peri-operation results, especially on reduction of tumor volume and minimization of biochemical recurrence. This study will evaluate the efficacy and safety of androgen deprivation therapy (ADT) with abiraterone in neoadjuvant therapy for surgically resectable high-risk or very high-risk PCa.

Enrollment: 75 estimated patients

Sex: Male

Ages: 18 to 75 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients must be ≥ 18 and ≤75 years of age.
• All patients must have a histologically or cytologically diagnosis of prostate cancer and must be eligible for radical prostatectomy.
• All patients must undergo thorough tumor staging and meet one of the following criteria: 1. multi-parameter MRI or PSMA PET / CT shows clinical staging of primary tumor ≥ T3, 2. Gleason score of primary tumor ≥ 8, 3. prostate specific antigen (PSA) ≥20 ng/ml.
• Eastern Cooperative Oncology Group (ECOG) physical condition score ≤ 1
• Patients must have adequate hematologic function, within 28 days prior to registration as evidenced by: white blood cell (WBC) ≥ 4.0 × 109 / L, platelets≥ 100 × 109 / L, hemoglobin ≥ 9 g / dL, and international normalized ratio (INR) < 1.5.
• Patients must have adequate hepatic function, within 28 days prior to registration, as evidenced by: total bilirubin (TBIL)≤1.5 x upper limit of normal (ULN),and SGOT (AST) and SGPT (ALT) ≤ 2.5 x ULN.
• Patients must have adequate renal function, within 28 days prior to registration, as evidenced by serum creatinine ≤2×ULN
• Patients must participate voluntarily and sign an informed consent form (ICF), indicating that they understand the purpose and required procedures of the study, and are willing to participate in. Patients must be willing to obey the prohibitions and restrictions specified in the research protocol.

Exclusion criteria

• Patients with prostate having neuroendocrine, small cell, or sarcoma-like features are not eligible.
• Patients with low-risk and medium-risk, localized prostate cancer (the following conditions are met at the same time) are not eligible: multi-parameter MRI or PSMA PET / CT shows clinical staging of primary tumor < T3, Gleason score of primary tumor < 8, and prostate specific antigen (PSA) <20 ng/ml.
• Patients with clinical or radiological evidence of regional or extra-regional lymph node metastases or bone metastases or visceral metastases are not eligible.
• Patients with clinical or radiological evidence of regional or extra-regional lymph node metastases or bone metastases or visceral metastases are not eligible.
• Patients who have previously received androgen deprivation therapy (medical or surgical) or focal treatment of prostate cancer or prostate cancer radiotherapy or prostate cancer chemotherapy are not eligible.
• Patients with severe or uncontrolled concurrent infections are not eligible.
• Patients must not have New York Heart Association Class III or IV congestive heart failure at the time of screening. Patients must not have any thromboembolic event, unstable angina pectoris, myocardial infarction within 6 months prior to registration.
• Patients must not have uncontrolled severe hypertension, persistent uncontrolled diabetes, oxygen-dependent lung disease, chronic liver disease, or HIV infection.
• Patients must not have had other malignancies other than prostate cancer in the past 5 years, but cured basal cell or squamous cell skin cancers can be enrolled.

Patients with mental illness, mental disability or inability to give informed consent are not eligible.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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75 participants in 2 patient groups

ADT with Abiraterone and prednisone

Experimental group

Description:

All subjects in this arm will receive luteinizing hormone releasing hormone analogue (LHRHa) plus abiraterone acetate and prednisone, as per standard of care. Goserelin 10.8 mg will be used once per 12 weeks. Abiraterone acetate will be administered orally as 1000 mg once daily along with 5 mg of oral prednisone once per day. Subjects will continue to take abiraterone acetate and prednisone for 24 weeks before robotic assisted radical prostatectomy

Treatment:

Drug: Goserelin 10.8 mg

Drug: Prednisone

Drug: Abiraterone Acetate

ADT alone

Experimental group

Description:

All subjects in this arm will receive LHRHa alone for 24 weeks before receiving robotic assisted radical prostatectomy. Goserelin 10.8 mg will be administered once per 12 weeks.

Treatment:

Drug: Goserelin 10.8 mg