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Expanded Access Treatment With [Lu-177]-PNT2002 for Adult Patients With Prostate-Specific Membrane Antigen (PSMA)-Positive Metastatic Castration-Resistant Prostate Cancer (mCRPC)

Primary Purpose

Castration-Resistant Prostatic Cancer

Status
Available
Phase
Locations
Study Type
Expanded Access
Intervention
[Lu-177]-PNT2002
Sponsored by
Lantheus Medical Imaging
About
Eligibility
Locations
Outcomes
Full info

About this trial

This is an expanded access trial for Castration-Resistant Prostatic Cancer focused on measuring progressive mCRPC

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)Male

Inclusion Criteria: Patient is male aged 18 years or older; Histological, pathological, and/or cytological confirmation of adenocarcinoma of the prostate; Patients must have at least 1 metastatic lesion present on CT, MRI, or bone scan imaging; Patients must have progressive mCRPC based on at least 1 of the following criteria: Serum/plasma PSA progression defined as increase in PSA greater than 25% and >2 ng/mL above nadir, confirmed by progression at 2 time points at least 3 weeks apart Soft-tissue progression defined as an increase ≥20% in the sum of the diameters (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 a new lesion Progression of bone disease defined as the appearance of 2 or more lesions by bone scan Progression on prior treatment with ≥1 ARPI (abiraterone, apalutamide, darolutamide, enzalutamide ) in nmCRPC, mHSPC or mCRPC; PSMA-PET scan ([Ga-68]-PSMA-11 or [F-18]-DCFPyL) positive as determined by local investigator; At least 1 PSMA-PET positive lesion for prostate cancer Uptake greater than the liver will be used as the reference for determining PSMA-PET positivity and uptake less than or equal to the liver will be used as the reference for determining PSMA-PET negativity All lymph nodes that measure ≥25 mm in short axis on anatomic imaging must be PSMA-PET positive All bone metastases with soft tissue component(s) ≥10 mm in short axis must be PSMA-PET positive (PSMA-negative osseous metastases without a soft tissue component do not exclude patients) All solid organ metastases (i.e., lung, liver, adrenal glands, etc.) ≥10 mm in short axis must be PSMA-PET positive Castrate levels of circulating testosterone (<1.7 nmol/L or <50 ng/dL); Patients must have recovered to Grade ≤2 from all clinically significant toxicities related to; prior therapies (i.e., prior ARPI, chemotherapy, PARPi, radioisotope or immunotherapy, etc.) Adequate organ function, independent of transfusion; a. Bone marrow reserve i. White blood cell (WBC) count ≥2.5 x 109/L OR absolute neutrophil count (ANC) ≥1.5 x 109/L ii. Platelets ≥100 x 109/L iii. Hemoglobin ≥80 g/L or ≥8 g/dL b. Liver function i. Total bilirubin ≤1.5 x institutional upper limit of normal (ULN). For patients with known Gilbert's syndrome, ≤3.0 x ULN ii. ALT and AST ≤3.0 x ULN c. Renal function i. Creatinine clearance ≥50 mL/min based on Cockroft-Gault formula d. Albumin ≥30 g/L Human immunodeficiency virus-infected patients who are healthy and have a low risk of acquired immunodeficiency syndrome-related outcomes are eligible; ECOG performance status 0 or 1; For patients who have partners who are pregnant or of childbearing potential: a condom is required along with a highly effective contraceptive method during the study and for 6 months after last study drug administration. Such methods deemed highly effective include a) combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation, b) progestogen-only hormonal contraception associated with inhibition of ovulation, c) intrauterine device (IUD), d) intrauterine hormone-releasing system (IUS), e) bilateral tubal occlusion, f) vasectomy, g) true sexual abstinence: when this is in line with the preferred and usual lifestyle of the subject [periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence for the duration of exposure to IMP, and withdrawal are not acceptable methods of abstinence]. Signed Informed Consent Form Exclusion Criteria: Prior PSMA-targeted radioligand therapy (i.e., [Lu-177]-PSMA-617); A superscan defined as a bone scan that demonstrates markedly increased skeletal radioisotope uptake relative to soft tissues in association with absent or faint genitourinary tract activity; Patients with a history of central nervous system (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 or CNS metastasis), baseline and subsequent radiological imaging must include evaluation of the brain (MRI preferred or CT with contrast); Symptomatic cord compression, or clinical radiologic findings indicative of impending cord compression; Any pre-existing symptoms, or concurrent severe and/or uncontrolled medical conditions such as ureteral obstruction, which in the opinion of the investigator would compromise safe participation in the [Lu-177]-PNT2002 EAP; Not able to understand and comply with treatment instructions and requirements;

Sites / Locations

    Outcomes

    Primary Outcome Measures

    Secondary Outcome Measures

    Full Information

    First Posted
    August 10, 2023
    Last Updated
    September 21, 2023
    Sponsor
    Lantheus Medical Imaging
    Collaborators
    POINT Biopharma
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    1. Study Identification

    Unique Protocol Identification Number
    NCT06033001
    Brief Title
    Expanded Access Treatment With [Lu-177]-PNT2002 for Adult Patients With Prostate-Specific Membrane Antigen (PSMA)-Positive Metastatic Castration-Resistant Prostate Cancer (mCRPC)
    Official Title
    Expanded Access Treatment With [Lu-177]-PNT2002 for Adult Patients With Prostate-Specific Membrane Antigen (PSMA)-Positive Metastatic Castration-Resistant Prostate Cancer (mCRPC)
    Study Type
    Expanded Access

    2. Study Status

    Record Verification Date
    August 2023
    Overall Recruitment Status
    Available
    Study Start Date
    undefined (undefined)
    Primary Completion Date
    undefined (undefined)
    Study Completion Date
    undefined (undefined)

    3. Sponsor/Collaborators

    Responsible Party, by Official Title
    Sponsor
    Name of the Sponsor
    Lantheus Medical Imaging
    Collaborators
    POINT Biopharma

    4. Oversight

    5. Study Description

    Brief Summary
    The purpose of this program is to provide access to [Lu-177]-PNT2002 to patients who have been diagnosed with prostate-specific membrane antigen (PMSA)-positive castration-resistant prostate cancer (mCRPC). Patients must have received at least 1 prior androgen pathway inhibitor (ARPI) and cannot be treated by currently available drugs or clinical trials. In this program participants will be administered [Lu-177]-PNT2002 intravenously every 8 weeks (about every 2 months) for 4 cycles, or 8 months of total treatment. During treatment, participants will be monitored with routine laboratory tests such as: Hematology blood tests Clinical Chemistry blood tests Testosterone/Prostate Antigen levels blood test Vital signs Imaging ECG

    6. Conditions and Keywords

    Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
    Castration-Resistant Prostatic Cancer
    Keywords
    progressive mCRPC

    7. Study Design

    8. Arms, Groups, and Interventions

    Intervention Type
    Drug
    Intervention Name(s)
    [Lu-177]-PNT2002
    Intervention Description
    [Lu-177]-PNT2002, is a radiopharmaceutical investigational drug. [Lu-177]-PNT2002 targets a specific protein that is located on the surface of prostate cancer cells called PSMA. [Lu-177]-PNT2002 delivers radiation to your cancer by binding to the PSMA which helps destroy the cancer cells. [Lu-177]-PNT2002 is administered intravenously every 8 weeks (about every 2 months) for 4 cycles, or 8 months of total treatment.

    10. Eligibility

    Sex
    Male
    Gender Based
    Yes
    Minimum Age & Unit of Time
    18 Years
    Eligibility Criteria
    Inclusion Criteria: Patient is male aged 18 years or older; Histological, pathological, and/or cytological confirmation of adenocarcinoma of the prostate; Patients must have at least 1 metastatic lesion present on CT, MRI, or bone scan imaging; Patients must have progressive mCRPC based on at least 1 of the following criteria: Serum/plasma PSA progression defined as increase in PSA greater than 25% and >2 ng/mL above nadir, confirmed by progression at 2 time points at least 3 weeks apart Soft-tissue progression defined as an increase ≥20% in the sum of the diameters (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 a new lesion Progression of bone disease defined as the appearance of 2 or more lesions by bone scan Progression on prior treatment with ≥1 ARPI (abiraterone, apalutamide, darolutamide, enzalutamide ) in nmCRPC, mHSPC or mCRPC; PSMA-PET scan ([Ga-68]-PSMA-11 or [F-18]-DCFPyL) positive as determined by local investigator; At least 1 PSMA-PET positive lesion for prostate cancer Uptake greater than the liver will be used as the reference for determining PSMA-PET positivity and uptake less than or equal to the liver will be used as the reference for determining PSMA-PET negativity All lymph nodes that measure ≥25 mm in short axis on anatomic imaging must be PSMA-PET positive All bone metastases with soft tissue component(s) ≥10 mm in short axis must be PSMA-PET positive (PSMA-negative osseous metastases without a soft tissue component do not exclude patients) All solid organ metastases (i.e., lung, liver, adrenal glands, etc.) ≥10 mm in short axis must be PSMA-PET positive Castrate levels of circulating testosterone (<1.7 nmol/L or <50 ng/dL); Patients must have recovered to Grade ≤2 from all clinically significant toxicities related to; prior therapies (i.e., prior ARPI, chemotherapy, PARPi, radioisotope or immunotherapy, etc.) Adequate organ function, independent of transfusion; a. Bone marrow reserve i. White blood cell (WBC) count ≥2.5 x 109/L OR absolute neutrophil count (ANC) ≥1.5 x 109/L ii. Platelets ≥100 x 109/L iii. Hemoglobin ≥80 g/L or ≥8 g/dL b. Liver function i. Total bilirubin ≤1.5 x institutional upper limit of normal (ULN). For patients with known Gilbert's syndrome, ≤3.0 x ULN ii. ALT and AST ≤3.0 x ULN c. Renal function i. Creatinine clearance ≥50 mL/min based on Cockroft-Gault formula d. Albumin ≥30 g/L Human immunodeficiency virus-infected patients who are healthy and have a low risk of acquired immunodeficiency syndrome-related outcomes are eligible; ECOG performance status 0 or 1; For patients who have partners who are pregnant or of childbearing potential: a condom is required along with a highly effective contraceptive method during the study and for 6 months after last study drug administration. Such methods deemed highly effective include a) combined (estrogen and progestogen containing) hormonal contraception associated with inhibition of ovulation, b) progestogen-only hormonal contraception associated with inhibition of ovulation, c) intrauterine device (IUD), d) intrauterine hormone-releasing system (IUS), e) bilateral tubal occlusion, f) vasectomy, g) true sexual abstinence: when this is in line with the preferred and usual lifestyle of the subject [periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence for the duration of exposure to IMP, and withdrawal are not acceptable methods of abstinence]. Signed Informed Consent Form Exclusion Criteria: Prior PSMA-targeted radioligand therapy (i.e., [Lu-177]-PSMA-617); A superscan defined as a bone scan that demonstrates markedly increased skeletal radioisotope uptake relative to soft tissues in association with absent or faint genitourinary tract activity; Patients with a history of central nervous system (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 or CNS metastasis), baseline and subsequent radiological imaging must include evaluation of the brain (MRI preferred or CT with contrast); Symptomatic cord compression, or clinical radiologic findings indicative of impending cord compression; Any pre-existing symptoms, or concurrent severe and/or uncontrolled medical conditions such as ureteral obstruction, which in the opinion of the investigator would compromise safe participation in the [Lu-177]-PNT2002 EAP; Not able to understand and comply with treatment instructions and requirements;
    Central Contact Person:
    First Name & Middle Initial & Last Name or Official Title & Degree
    Associate Director Radioligand Clinical Applications
    Phone
    901-283-5950
    Email
    LNTH-PNT2002-EAP-INFO@lantheus.com

    12. IPD Sharing Statement

    Learn more about this trial

    Expanded Access Treatment With [Lu-177]-PNT2002 for Adult Patients With Prostate-Specific Membrane Antigen (PSMA)-Positive Metastatic Castration-Resistant Prostate Cancer (mCRPC)

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