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Clinical Trial Summary

To determine the Maximum Tolerated Dose (MTD) of CycloSam®, Samarium-153-DOTMP (Sm-153-DOTMP), a radiopharmaceutical that delivers radiation to the bone when injected, given as a tandemly administered pair of doses to subjects with one or more solid tumor(s) in the bone or metastatic solid tumors to the bone that are visible on bone scan.


Clinical Trial Description

This is an open-label, unblinded, multi-center, dose-finding study of 153-Sm-DOTMP (CycloSam®), a radiopharmaceutical that delivers radiation to the bone when injected, to identify the MTD of 153-Sm- DOTMP, given as a tandemly administered pair of doses to subjects with solid tumors visible on bone scan. The MTD will be defined as the dose level that produces a dose limiting toxicity (DLT) rate no greater than 25%. DLTs will be defined as any grade 3 or greater hematologic or nonhematologic toxicity, as defined by the National Cancer Institute (NCI) - Common Terminology Criteria for Adverse Events (CTCAE), experienced during a 42 day observation window. Clinical response will be defined as either stable disease (SD) or a decrease in the size of the tumor by radiographic imaging (which may include computed tomography [CT] or magnetic resonance imaging [MRI]) using Response Evaluation Criteria in Solid Tumors (RECIST) v1.1.The Day 1 dose will remain constant at 0.5 mCi/kg, with the Day 8 dose escalated from 0.5 mCi/kg (dose level 1) to 1.0 mCi/kg (dose level 2) to 2.0 mCi/kg (dose level 3) and then to 3.0 mCi/kg (dose level 4). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06008483
Study type Interventional
Source QSAM Therapeutics, Inc.
Contact Clinical Trials Team
Phone 512-343-4558
Email clinicaltrials@qsambio.com
Status Recruiting
Phase Phase 1
Start date April 5, 2022
Completion date November 1, 2024

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