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Trial Title: 177Lu-PSMA-EB-01 in Patients With Metastatic Castration-resistant Prostate Cancer

NCT ID: NCT05613738

Condition: Metastatic Castration-resistant Prostate Cancer

Conditions: Official terms:
Prostatic Neoplasms

Study type: Interventional

Study phase: N/A

Overall status: Recruiting

Study design:

Allocation: Randomized

Intervention model: Parallel Assignment

Primary purpose: Treatment

Masking: None (Open Label)

Intervention:

Intervention type: Drug
Intervention name: 1.11 GBq (30 mCi) of 177Lu-PSMA-EB-01
Description: All patients were intravenous injected with single dose 1.11 GBq (30 mCi) of 177Lu-PSMA-EB-01 then monitored at 3 hours, 24 hours, 48 hours, 72 hours, and 168 hours post-injection.
Arm group label: 1.11 GBq (30 mCi) of 177Lu-PSMA-EB-01

Intervention type: Drug
Intervention name: 1.85 GBq (50 mCi) of 177Lu-PSMA-EB-01
Description: All patients were intravenous injected with single dose 1.85 GBq (50 mCi) of 177Lu-PSMA-EB-01 then monitored at 3 hours, 24 hours, 48 hours, 72 hours, and 168 hours post-injection.
Arm group label: 1.85 GBq (50 mCi) of 177Lu-PSMA-EB-01

Intervention type: Drug
Intervention name: 2.59 GBq (70 mCi) of 177Lu-PSMA-EB-01
Description: All patients were intravenous injected with single dose 2.59 GBq (70 mCi) of 177Lu-PSMA-EB-01 then monitored at 3 hours, 24 hours, 48 hours, 72 hours, and 168 hours post-injection.
Arm group label: 2.59 GBq (70 mCi) of 177Lu-PSMA-EB-01

Summary: This is a pilot study to assess the safety and measure image-based absorbed dose of 177Lu-PSMA-EB-01, a new PSMA-specific radiopharmaceutical, in patients with metastatic castration resistant prostate cancer (mCRPC) who will undergo radioligand therapy (RLT). All patients underwent 68Ga-PSMA and 18F-FDG PET/CT for selection and were randomly divided into three groups of 3 people each.The three groups received an approximately 1.11 GBq (30mCi), 1.85 GBq (50 mCi) and 2.59 GBq (70mCi) of 177Lu-PSMA-EB-01 up to 2 cycles, respectively.

Detailed description: Prostate cancer is the most frequent malignant tumor in men worldwide. Prostate-specific membrane antigen (PSMA), is a surface molecule specifically expressed by prostate tumors which was shown to be a valid target for radiotherapy. 177Lu-PSMA-617, a urea-based compound, provide an effective target for the treatment of metastatic castration-resistant prostate cancer. However, a major problem in the therapeutic use of 177Lu-PSMA-617 has been its short half-life and fast rate of clearance. The investigators designed and synthesized a new radiopharmaceutical, named 177Lu-PSMA-EB-01. EB(Evans Blue)can bind to albumin to slow down its plasma clearance rate, thereby increasing tumor accumulation and reducing the total dosage of Lu-177. Hence, EB-PSMA-01 may be an option for consideration due to limited supply of Lu-177, by which more patients may be benefited by this version of 177Lu-EB-PSMA-01. This study was designed to investigate the safety, dosimetry and preliminary effects of 177Lu-EB-PSMA-01 in patients with metastatic castration resistant prostate cancer.

Criteria for eligibility:
Criteria:
Inclusion Criteria: - progressive metastatic castration-resistant prostate cancer - tumors with high PSMA expression confirmed on 68Ga-PSMA PET/CT Exclusion Criteria: - a serum creatinine level of more than 150 μmol per liter - a hemoglobin level of less than 10.0 g/dl - a white-cell count of less than 4.0× 109/L - a platelet count of less than 100 × 109/L - a total bilirubin level of more than 3 times the upper limit of the normal range - a serum albumin level of more than 3.0 g per deciliter - cardiac insufficiency

Gender: Male

Minimum age: 18 Years

Maximum age: 80 Years

Healthy volunteers: No

Locations:

Facility:
Name: Peking Union Medical College Hospital

Address:
City: Beijing
Zip: 100730
Country: China

Status: Recruiting

Contact:
Last name: Zhaohui Zhu, MD

Phone: 86-13611093752
Email: 13611093752@163.com

Contact backup:
Last name: Guochang Wang, MD

Phone: 86-18516822732
Email: guochang1007@163.com

Start date: November 23, 2022

Completion date: November 15, 2025

Lead sponsor:
Agency: Peking Union Medical College Hospital
Agency class: Other

Source: Peking Union Medical College Hospital

Record processing date: ClinicalTrials.gov processed this data on November 12, 2024

Source: ClinicalTrials.gov page: https://clinicaltrials.gov/ct2/show/NCT05613738

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