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Clinical Trial Summary

In this first-in human, phase I/IIa study, the safety and efficacy of [212Pb]VMT01, an alpha-particle emitting therapeutic agent targeted to melanocortin sub-type 1 receptor (MC1R) is being evaluated in patients with unresectable and metastatic melanoma.


Clinical Trial Description

This is a prospective, multi-center open-label dose escalation, dose expansion study of [212Pb]VMT01 in up to 52 subjects with histologically confirmed melanoma and a positive MC1R imaging scan ([203Pb]VMT01 or [68Ga]VMT02). MC1R is a receptor that is expressed on the surface of melanoma cells. As such MC1R represents a potentially useful means of targeting therapeutics to melanoma. Lead-212 ([212Pb]-) based peptide-radiopharmaceuticals are an emerging class of targeted alpha-particle cancer therapies which have the potential to improve delivery of a highly effective form of radiation. Patients may be eligible to receive up to 3 administrations of [212Pb]VMT01 approximately 8 weeks apart. The first part of the study is an dose-escalation study to determine the Maximum Tolerated radioactivity Dose (MTD) or Maximum Feasible radioactivity Dose (MFD) following a single administration of [212Pb]VMT01. The second part of the study is a dose expansion based on the identified MTD/MFD for the selection of [212Pb]VMT01 dose(s) for further clinical development. A dosimetry sub-study utilizing the SPECT imaging surrogate, [203Pb]VMT01, has been incorporated into the study in order to assess normal organ biodistribution, tumor uptake of the investigational products, to estimate radiation dosimetry, and to correlate uptake of the investigation products with observed toxicities and efficacy. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05655312
Study type Interventional
Source Perspective Therapeutics
Contact Markus Puhlmann, MD
Phone 319-665-2151
Email mpuhlmann@perspectivetherapeutics.com
Status Recruiting
Phase Phase 1/Phase 2
Start date June 1, 2023
Completion date June 30, 2027

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