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Safety, Tolerability and Preliminary Efficacy of 161Tb-LNC1011 (PSMA Radioligand) in Patients With Metastatic Castration-Resistant Prostate Cancer (mCRPC)
Sponsor: Peking Union Medical College Hospital
Summary
This is a prospective, open-label, single-center, dose-escalation study using a standard 3+3 design to assess the safety, tolerability, biodistribution/dosimetry and preliminary efficacy of the albumin-binding PSMA radioligand 161Tb-LNC1011 in patients with metastatic castration-resistant prostate cancer (mCRPC). Patients will receive intravenous 161Tb-LNC1011 starting at 50 mCi with planned dose-level escalations to 80, 130 and 200 mCi (±10%). Early dose levels (50 mCi) receive 1 cycle; later levels receive up to 4 cycles every 6 weeks based on safety and disease status. Primary endpoints include dose-limiting toxicities (DLTs), adverse events (AEs) graded by CTCAE v5.0, and determination of maximum tolerated dose (MTD). Secondary endpoints include organ/tumor absorbed doses, PSA responses (PSA50/PSA90), disease control, time to PSA progression and radiographic progression-free survival per PCWG3.
Official title: A Prospective, Open-label, Dose-Escalation, Single-Center Study to Evaluate the Safety, Biodistribution/Dosimetry and Preliminary Efficacy of 161Tb-LNC1011 in Patients With Metastatic Castration-Resistant Prostate Cancer
Key Details
Gender
MALE
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
15
Start Date
2026-01-01
Completion Date
2027-12-31
Last Updated
2026-02-02
Healthy Volunteers
No
Conditions
Interventions
161Tb-LNC1011
Intravenous administration; planned dose levels: 50, 80, 130, 200 mCi (±10%); cycle interval q6 weeks; up to 1 cycle at 50 mCi and up to 4 cycles at later dose levels as permitted by safety and disease status.
Locations (2)
Peking Union Medical College Hospital
Beijing, Beijing Municipality, China
Mianyang Central Hospital
Mianyang, Sichuan, China