Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities

Thermosensitive liposomal doxorubicin (TSL-Dox) combined with localized hyperthermia enables targeted drug delivery. Tumor drug uptake occurs only during hyperthermia. We developed a novel method for removal of systemic TSL-Dox remaining after hyperthermia-triggered delivery to reduce toxicities. Th...

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Main Authors: Anjan Motamarry, A. Marissa Wolfe, Krishna K. Ramajayam, Sanket Pattanaik, Thomas Benton, Yuri Peterson, Pegah Faridi, Punit Prakash, Katherine Twombley, Dieter Haemmerich
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/14/5/1322
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author Anjan Motamarry
A. Marissa Wolfe
Krishna K. Ramajayam
Sanket Pattanaik
Thomas Benton
Yuri Peterson
Pegah Faridi
Punit Prakash
Katherine Twombley
Dieter Haemmerich
author_facet Anjan Motamarry
A. Marissa Wolfe
Krishna K. Ramajayam
Sanket Pattanaik
Thomas Benton
Yuri Peterson
Pegah Faridi
Punit Prakash
Katherine Twombley
Dieter Haemmerich
author_sort Anjan Motamarry
collection DOAJ
description Thermosensitive liposomal doxorubicin (TSL-Dox) combined with localized hyperthermia enables targeted drug delivery. Tumor drug uptake occurs only during hyperthermia. We developed a novel method for removal of systemic TSL-Dox remaining after hyperthermia-triggered delivery to reduce toxicities. The carotid artery and jugular vein of Norway brown rats carrying two subcutaneous BN-175 tumors were catheterized. After allowing the animals to recover, TSL-Dox was infused at 7 mg/kg dose. Drug delivery to one of the tumors was performed by inducing 15 min microwave hyperthermia (43 °C). At the end of hyperthermia, an extracorporeal circuit (ECC) comprising a heating module to release drug from TSL-Dox followed by an activated carbon filter to remove free drug was established for 1 h (<i>n</i> = 3). A computational model simulated TSL-Dox pharmacokinetics, including ECC filtration, and predicted cardiac Dox uptake. In animals receiving ECC, we were able to remove 576 ± 65 mg of Dox (29.7 ± 3.7% of the infused dose) within 1 h, with a 2.9-fold reduction of plasma AUC. Fluorescent monitoring enabled real-time quantification of blood concentration and removed drug. Computational modeling predicted that up to 59% of drug could be removed with an ideal filter, and that cardiac uptake can be reduced up to 7×. We demonstrated removal of drug remaining after tumor delivery, reduced plasma AUC, and reduced cardiac uptake, suggesting reduced toxicity.
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spelling doaj.art-16a65b81655240588f957d94d8c83a652023-11-23T22:49:14ZengMDPI AGCancers2072-66942022-03-01145132210.3390/cancers14051322Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce ToxicitiesAnjan Motamarry0A. Marissa Wolfe1Krishna K. Ramajayam2Sanket Pattanaik3Thomas Benton4Yuri Peterson5Pegah Faridi6Punit Prakash7Katherine Twombley8Dieter Haemmerich9Department of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USARalph H. Johnson VA Medical Center, Charleston, SC 29425, USADepartment of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USADepartment of Surgery, Medical University of South Carolina, Charleston, SC 29425, USADepartment of Drug Discovery & Biomedical Sciences, Medical University of South Carolina, Charleston, SC 29425, USADepartment of Drug Discovery & Biomedical Sciences, Medical University of South Carolina, Charleston, SC 29425, USADepartment of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USADepartment of Electrical and Computer Engineering, Kansas State University, Manhattan, KS 66506, USADepartment of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USADepartment of Pediatrics, Medical University of South Carolina, Charleston, SC 29425, USAThermosensitive liposomal doxorubicin (TSL-Dox) combined with localized hyperthermia enables targeted drug delivery. Tumor drug uptake occurs only during hyperthermia. We developed a novel method for removal of systemic TSL-Dox remaining after hyperthermia-triggered delivery to reduce toxicities. The carotid artery and jugular vein of Norway brown rats carrying two subcutaneous BN-175 tumors were catheterized. After allowing the animals to recover, TSL-Dox was infused at 7 mg/kg dose. Drug delivery to one of the tumors was performed by inducing 15 min microwave hyperthermia (43 °C). At the end of hyperthermia, an extracorporeal circuit (ECC) comprising a heating module to release drug from TSL-Dox followed by an activated carbon filter to remove free drug was established for 1 h (<i>n</i> = 3). A computational model simulated TSL-Dox pharmacokinetics, including ECC filtration, and predicted cardiac Dox uptake. In animals receiving ECC, we were able to remove 576 ± 65 mg of Dox (29.7 ± 3.7% of the infused dose) within 1 h, with a 2.9-fold reduction of plasma AUC. Fluorescent monitoring enabled real-time quantification of blood concentration and removed drug. Computational modeling predicted that up to 59% of drug could be removed with an ideal filter, and that cardiac uptake can be reduced up to 7×. We demonstrated removal of drug remaining after tumor delivery, reduced plasma AUC, and reduced cardiac uptake, suggesting reduced toxicity.https://www.mdpi.com/2072-6694/14/5/1322thermosensitive liposomeshyperthermiaextracorporeal circulation
spellingShingle Anjan Motamarry
A. Marissa Wolfe
Krishna K. Ramajayam
Sanket Pattanaik
Thomas Benton
Yuri Peterson
Pegah Faridi
Punit Prakash
Katherine Twombley
Dieter Haemmerich
Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
Cancers
thermosensitive liposomes
hyperthermia
extracorporeal circulation
title Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
title_full Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
title_fullStr Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
title_full_unstemmed Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
title_short Extracorporeal Removal of Thermosensitive Liposomal Doxorubicin from Systemic Circulation after Tumor Delivery to Reduce Toxicities
title_sort extracorporeal removal of thermosensitive liposomal doxorubicin from systemic circulation after tumor delivery to reduce toxicities
topic thermosensitive liposomes
hyperthermia
extracorporeal circulation
url https://www.mdpi.com/2072-6694/14/5/1322
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