Last updated on July 2019

Study of 177Lu-PSMA-617 In Metastatic Castrate-Resistant Prostate Cancer

Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Malignant neoplasm of prostate
  • Age: Between 18 - 100 Years
  • Gender: Male

Inclusion Criteria:

  • To qualify for enrollment, patients must meet the following criteria:
    1. Patients must have the ability to understand and sign an approved ICF.
    2. Patients must have the ability to understand and comply with all protocol requirements.
    3. Patients must be 18 years of age.
    4. Patients must have an ECOG performance status of 0 to 2.
    5. Patients must have a life expectancy >6 months.
    6. Patients must have histological, pathological, and/or cytological confirmation of prostate cancer.
    7. Patients must have a positive 68Ga-PSMA-11 PET/CT scan, as determined by the sponsor's central reader.
    8. Patients must have prior orchiectomy and/or ongoing androgen-deprivation therapy and a castrate level of serum testosterone (<50 ng/dL or <1.7 nmol/L).
    9. Patients must have received at least one NAAD (such as enzalutamide and/or abiraterone).
    10. Patients must have been previously treated with at least 1, but no more than 2 previous taxane regimens. A taxane regimen is defined as a minimum exposure of 2 cycles of a taxane. If a patient has received only 1 taxane regimen, the patient is eligible if:
    11. The patient is not willing to receive a second taxane regimen, or
    12. The patient's physician deems him unsuitable to receive a second taxane regimen (e.g. frailty assessed by geriatric or health status evaluation or intolerance).
    13. Patients must have progressive mCRPC. Documented progressive mCRPC will be based on at least 1 of the following criteria:
    14. Serum PSA progression defined as 2 consecutive increases in PSA over a previous reference value measured at least 1 week prior. The minimal start value is 2.0 ng/mL.
    15. Soft-tissue progression defined as an increase 20% in the sum of the diameter (SOD) (short axis for nodal lesions and long axis for non-nodal lesions) of all target lesions based on the smallest SOD since treatment started or the appearance of one or more new lesions.
    16. Progression of bone disease: evaluable disease or new bone lesions(s) by bone scan (2+2 PCWG3 criteria, Scher et al 2016).
    17. Patients must have 1 metastatic lesion that is present on baseline CT, MRI, or bone scan imaging obtained 28 days prior to beginning study therapy.
    18. Patients must have recovered to Grade 2 from all clinically significant toxicities related to prior therapies (i.e. prior chemotherapy, radiation, immunotherapy, etc.).
    19. Patients must have adequate organ function:
    20. Bone marrow reserve:
  • White blood cell (WBC) count 2.5 x 109/L (2.5 x 10^9/L is equivalent to 2.5 x 10^3/L and 2.5 x K/L and 2.5 x 10^3/cumm and 2500/L) OR absolute neutrophil count (ANC) 1.5 x 10^9/L (1.5 x 10^9/L is equivalent to 1.5 x 10^3/L and 1.5 x K/L and 1.5 x 10^3/cumm and 1500/L)
  • Platelets 100 x 10^9/L (100 x 10^9/L is equivalent to 100 x 10^3/L and 100 x K/L and 100 x 10^3/cumm and 100,000/L)
  • Hemoglobin 9 g/dL (9 g/dL is equivalent to 90 g/L and 5.59 mmol/L) 2. Hepatic:
  • Total bilirubin 1.5 x the institutional upper limit of normal (ULN). For patients with known Gilbert's Syndrome 3 x ULN is permitted
  • Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) 3.0 x ULN OR 5.0 x ULN for patients with liver metastases 3. Renal:
  • Serum creatinine 1.5 x ULN or creatinine clearance 50 mL/min 15. Albumin >3.0 g/dL (3.0 g/dL is equivalent to 30 g/L) 16. Patients on a stable bisphosphonate or denosumab regimen for 30 days prior to randomization are eligible. 17. HIV-infected patients who are healthy and have a low risk of AIDS-related outcomes are included in this trial.

For patients who have partners of childbearing potential:

18. Partner and/or patient must use a method of birth control with adequate barrier protection, deemed acceptable by the principle investigator during the study and for 3 months after last study drug administration.

Exclusion Criteria:

  • Patients who meet any of the following criteria will be excluded from the study:
    1. Previous treatment with Strontium-89, Samarium-153, Rhenium-186, Rhenium-188, Radium-223 or hemi-body irradiation within 6 months prior to randomization. Previous PSMA-targeted radioligand therapy is not allowed.
    2. Any systemic anti-cancer therapy (e.g. chemotherapy, immunotherapy or biological therapy [including monoclonal antibodies]) within 28 days prior to day of randomization.
    3. Any investigational agents within 28 days prior to day of randomization.
    4. Known hypersensitivity to the components of the study therapy or its analogs.
    5. Other concurrent cytotoxic chemotherapy, immunotherapy, radioligand therapy, or investigational therapy.
    6. Transfusion within 30 days of randomization.
    7. Patients with a history of CNS metastases must have received therapy (surgery, radiotherapy, gamma knife) and be neurologically stable, asymptomatic, and not receiving corticosteroids for the purposes of maintaining neurologic integrity. Patients with epidural disease, canal disease and prior cord involvement are eligible if those areas have been treated, are stable, and not neurologically impaired. For patients with parenchymal CNS metastasis (or a history of CNS metastasis), baseline and subsequent radiological imaging must include evaluation of the brain (MRI preferred or CT with contrast).
    8. A superscan as seen in the baseline bone scan.
    9. Symptomatic cord compression, or clinical or radiologic findings indicative of impending cord compression.
    10. Concurrent serious (as determined by the Principal Investigator) medical conditions, including, but not limited to, New York Heart Association class III or IV congestive heart failure, history of congenital prolonged QT syndrome, uncontrolled infection, active hepatitis B or C, or other significant co-morbid conditions that in the opinion of the investigator would impair study participation or cooperation.
    11. Diagnosed with other malignancies that are expected to alter life expectancy or may interfere with disease assessment. Patients with adequately treated non-melanoma skin cancer, superficial bladder cancer and patients with prior history of malignancy who have been disease free for more than 3 years are eligible.

Recruitment Status: Open

Brief Description Eligibility Contact Research Team

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