Intraoperative Molecular Imaging With Pafolacianine: Histologic Characteristics of Identified Nodules.

IF 3.3 3区 医学 Q2 ONCOLOGY
Inderpal S Sarkaria, Timothy G Biro, Sunil Singhal, Rishindra M Reddy, Linda W Martin, David C Rice, Alex S Lopez, Gary Stevens, Tina Barret, Sudish C Murthy
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引用次数: 0

Abstract

Background: With increased early detection efforts, surgery for early-stage lung cancer is expected to rise. Pafolacianine is the first FDA approved targeted optical imaging agent indicated as an adjunct for intraoperative identification of malignant and nonmalignant pulmonary lesions in adult patients with known or suspected cancer in the lung.

Methods: This is a retrospective review of the malignant and nonmalignant lesions identified by pafolacianine with intraoperative molecular imaging (IMI) in the multi-center Phase 2 and Phase 3 ELUCIDATE clinical trials. All lesions meeting the intent to treat criteria from the combined studies were included. Histopathology for malignant and nonmalignant lesions and immunohistochemistry (ICH) for folate receptor alpha (FRα) and folate receptor beta (FRβ), which pafolacianine binds to, were assessed.

Results: A total of 273 lesions resected from 191 patients were analyzed. The identification of primary and occult malignant lesions with pafolacianine in combination with standard practice was improved (P < .001) when compared to standard practice alone. A range of histologies were demonstrated including adenocarcinoma (primary and metastatic), squamous cell carcinoma, adenoid cystic carcinoma, chordoma, lymphoma, and papillary thyroid cancer. Ninety-two percent (205 of 223) of lesions tested for folate expression were positive for FRα or FRβ expression.

Conclusions: While initially intended to identify adenocarcinoma, IMI with pafolacianine targets a broad histological cross-section of malignant and nonmalignant primary and metastatic lesions in the lung. As real-world use expands, additional insight will continue to inform utility of pafolacianine in clinical practice and may broaden clinical applicability.

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来源期刊
Clinical lung cancer
Clinical lung cancer 医学-肿瘤学
CiteScore
7.00
自引率
2.80%
发文量
159
审稿时长
24 days
期刊介绍: Clinical Lung Cancer is a peer-reviewed bimonthly journal that publishes original articles describing various aspects of clinical and translational research of lung cancer. Clinical Lung Cancer is devoted to articles on detection, diagnosis, prevention, and treatment of lung cancer. The main emphasis is on recent scientific developments in all areas related to lung cancer. Specific areas of interest include clinical research and mechanistic approaches; drug sensitivity and resistance; gene and antisense therapy; pathology, markers, and prognostic indicators; chemoprevention strategies; multimodality therapy; and integration of various approaches.
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