Molecular Imaging and Pharmacokinetic Analysis of Carbon-11 Labeled Antisense Oligonucleotide LY2181308 in Cancer Patients.

Azeem Saleem, Julian C Matthews, Malcolm Ranson, Sophie Callies, Valérie André, Michael Lahn, Claire Dickinson, Christian Prenant, Gavin Brown, Adam McMahon, Denis C Talbot, Terry Jones, Patricia M Price

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Antisense oligonucleotides (ASOs) have potential as anti-cancer agents by specifically modulating genes involved in tumorigenesis. However, little is known about ASO biodistribution and tissue pharmacokinetics (PKs) in humans, including whether sufficient delivery to target tumor tissue may be achieved. In this preliminary study in human subjects, we used combined positron emission and computed tomography (PET-CT) imaging and subsequent modeling analysis of acquired dynamic data, to examine the in vivo biodistribution and PK properties of LY2181308 - a second generation ASO which targets the apoptosis inhibitor protein survivin. Following radiolabeling of LY2181308 with methylated carbon-11 ([(11)C]methylated-LY2181308), micro-doses (
    Original languageEnglish
    Pages (from-to)290-301
    Number of pages12
    JournalTheranostics
    Volume1
    DOIs
    Publication statusPublished - 2011

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