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Clinical Trial Summary

Osteosarcoma is the most common primary malignant bone tumor that mainly occurs in children and adolescents. Combined surgical resection and intensive chemotherapy has improved the 5-year overall survival rate (from 51 to 75%). However, drug-induced side effects and tumor recurrence after surgery reduce patient quality of life and cut down the patient survival rate. Superparamagnetic Iron Oxide Nanoparticles (SPIONs)/Spinning Magnetic Field (SMF) and neoadjuvant chemotherapy may increase the cancer cell killing and complete tumor shrinkage preserving local structures and functions of patients who cannot receive limb retention treatment.


Clinical Trial Description

This study aims to evaluate the safety, efficacy, and tolerability of SPIONs/SMF in combination with neoadjuvant chemotherapy in osteosarcoma patients. They will receive intratumoral injection of SPIONs every other day for 3 times, followed by SMF for 2 hours every two days, and up to completion of 30 days, and conventional neoadjuvant chemotherapy from day 1. The sponsor hypothesizes that SPIONs/SMF will act synergistically with neoadjuvant chemotherapy to increase the cancer cell killing, to increase the local efficacy of neoadjuvant chemotherapy, and to improve the ratio of limb retention. Then, all patients will be followed every 8 weeks, for the safety evaluation and cancer disease status until the end of the study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04316091
Study type Interventional
Source Second Affiliated Hospital, School of Medicine, Zhejiang University
Contact
Status Not yet recruiting
Phase Phase 1
Start date September 1, 2020
Completion date August 31, 2023

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