99mTc-NC100668, an agent for imaging venous thromboembolism: The effect of anticoagulant or thrombolytic therapy on the uptake and retention of radioactivity in blood clots in vivo

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Edwards, DavidUppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi (författare)

99mTc-NC100668, an agent for imaging venous thromboembolism : The effect of anticoagulant or thrombolytic therapy on the uptake and retention of radioactivity in blood clots in vivo

BACKGROUND: The purpose of this study was to evaluate the uptake of Tc-NC100668 into blood clots and elucidate the potential for medications commonly used to treat thromboembolism to interfere with the uptake and retention of Tc-NC100668. METHODS: Tc-NC100668 in vivo uptake and retention in a range of blood clot of various ages (up to 4 h old) and in the presence of anticoagulants or thrombolytic therapies was measured in a rat model of deep vein thrombosis. RESULTS: Tc-NC100668 was rapidly absorbed into and retained by blood clots and was not significantly affected by the presence of unfractionated or low molecular weight heparin or thrombin inhibitor. Tissue plasminogen activator reduced the uptake of Tc-NC100668 into blood clot by a factor of 3 when adjusted to allow for changes in the weight of the blood clot. CONCLUSIONS: This study has demonstrated that the uptake and retention of Tc-NC100668 into blood clots in the rat model of deep vein thrombosis is rapid and maintained over at least a 4 h post-injection period. It has been shown that Tc-NC100668 is retained in blood clots even in the presence of therapeutic doses of those anticoagulant and thrombolytic therapies typically used to treat pulmonary embolism and venous thrombosis.

Lewis, Joanne (författare)
Battle, Mark (författare)
Lear, Rochelle (författare)
Farrar, Gill (författare)
Barnett, D. Jon (författare)
Godden, Vanessa (författare)
Oliveira, Alexandra (författare)
Coombes, Catherine (författare)
Ahlström, HåkanUppsala universitet,Institutionen för onkologi, radiologi och klinisk immunologi(Swepub:uu)hakanahl (författare)
Uppsala universitetInstitutionen för onkologi, radiologi och klinisk immunologi (creator_code:org_t)

Ingår i:Nuclear medicine communications: Ovid Technologies (Wolters Kluwer Health)28:1, s. 55-620143-36361473-5628

Av författaren/redakt...: Edwards, David; Lewis, Joanne; Battle, Mark; Lear, Rochelle; Farrar, Gill; Barnett, D. Jon; visa fler...; Godden, Vanessa; Oliveira, Alexan ...; Coombes, Catheri ...; Ahlström, Håkan; visa färre...

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