Clinical Cancer Research, volume 25, issue 1, pages 177-187

Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer

Kularatne Sumith A 1
Thomas Mini 1
Myers Carrie H 1
Gagare Pravin 1
Kanduluru Ananda Kumar 1
Crian Christa J 2
Cichocki Brandy N 2
1
 
1On Target Laboratories, West Lafayette, Indiana.
2
 
2Department of Veterinary Clinical Sciences, Purdue University, West Lafayette, Indiana.
Publication typeJournal Article
Publication date2018-09-10
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor11.5
ISSN10780432, 15573265
Cancer Research
Oncology
Abstract
Purpose:

The ability to locate and remove all malignant lesions during radical prostatectomy leads not only to prevent biochemical recurrence (BCR) and possible side effects but also to improve the life expectancy of patients with prostate cancer. Fluorescence-guided surgery (FGS) has emerged as a technique that uses fluorescence to highlight cancerous cells and guide surgeons to resect tumors in real time. Thus, development of tumor-specific near-infrared (NIR) agents that target biomarkers solely expressed on prostate cancer cells will enable to assess negative tumor margins and affected lymph nodes.

Experimental Design:

Because PSMA is overexpressed in prostate cancer cells in >90% of the prostate cancer patient population, a prostate-specific membrane antigen (PSMA)-targeted NIR agent (OTL78) was designed and synthesized. Optical properties, in vitro and in vivo specificity, tumor-to-background ratio (TBR), accomplishment of negative surgical tumor margins using FGS, pharmacokinetics (PKs) properties, and preclinical toxicology of OTL78 were then evaluated in requisite models.

Results:

OTL78 binds to PSMA-expressing cells with high affinity, concentrates selectively to PSMA-positive cancer tissues, and clears rapidly from healthy tissues with a half-time of 17 minutes. It also exhibits an excellent TBR (5:1) as well as safety profile in animals.

Conclusions:

OTL78 is an excellent tumor-specific NIR agent for use in fluorescence-guided radical prostatectomy and FGS of other cancers.

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GOST Copy
Kularatne S. A. et al. Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer // Clinical Cancer Research. 2018. Vol. 25. No. 1. pp. 177-187.
GOST all authors (up to 50) Copy
Kularatne S. A., Thomas M., Myers C. H., Gagare P., Kanduluru A. K., Crian C. J., Cichocki B. N. Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer // Clinical Cancer Research. 2018. Vol. 25. No. 1. pp. 177-187.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1158/1078-0432.CCR-18-0803
UR - https://doi.org/10.1158%2F1078-0432.CCR-18-0803
TI - Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer
T2 - Clinical Cancer Research
AU - Kularatne, Sumith A
AU - Thomas, Mini
AU - Myers, Carrie H
AU - Gagare, Pravin
AU - Kanduluru, Ananda Kumar
AU - Crian, Christa J
AU - Cichocki, Brandy N
PY - 2018
DA - 2018/09/10 00:00:00
PB - American Association for Cancer Research (AACR)
SP - 177-187
IS - 1
VL - 25
SN - 1078-0432
SN - 1557-3265
ER -
BibTex |
Cite this
BibTex Copy
@article{2018_Kularatne,
author = {Sumith A Kularatne and Mini Thomas and Carrie H Myers and Pravin Gagare and Ananda Kumar Kanduluru and Christa J Crian and Brandy N Cichocki},
title = {Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer},
journal = {Clinical Cancer Research},
year = {2018},
volume = {25},
publisher = {American Association for Cancer Research (AACR)},
month = {sep},
url = {https://doi.org/10.1158%2F1078-0432.CCR-18-0803},
number = {1},
pages = {177--187},
doi = {10.1158/1078-0432.CCR-18-0803}
}
MLA
Cite this
MLA Copy
Kularatne, Sumith A., et al. “Evaluation of Novel Prostate-Specific Membrane Antigen-Targeted Near-Infrared Imaging Agent for Fluorescence-Guided Surgery of Prostate Cancer.” Clinical Cancer Research, vol. 25, no. 1, Sep. 2018, pp. 177-187. https://doi.org/10.1158%2F1078-0432.CCR-18-0803.
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