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The injections were well tolerated without notable complications and decreased CA levels seen in two patients[ 52 ].
Beatrice Cappio | Flash
While, to our knowledge, EUS-guided PDT has yet to be performed in humans, this procedure may be a safe, effective, and less invasive method of locally ablating lesions that cannot be directly accessed endoscopically. PDT has been used for inoperable esophageal, gastric, and biliary malignancies[ 17 ]. Local drug delivery to a human pancreatic tumor via a newly designed multiple injectable needle.
However, the concept is promising. Successful EUS-guided fiducial placement has been described in pancreatic cancer[ 39 - 41 ], esophageal cancer[ 42 ], prostate cancer[ 43 ], and rectal cancer[ 44 ] with varied migration rates depending on the type and length of marker used[ 45 ].
After initial cyst needle puncture, cyst fluid is partially needdle and the cyst is lavaged for several minutes by alternating cyst aspiration and ethanol injection[ 4 ]. Side effects were mild and included low-grade fever and nausea[ 47 ]. EUS-guided gold fiducial placement and migration rate.
Endoscopic ultrasound-fine needle injection for oncological therapy
Endoscopic ultrasound-guided oncologic therapy for pancreatic cancer. EUS-guided ethanol injection for treatment of a GI stromal tumor.
Non-absorbable, coated braided polyester, double armed with TC tapercut needle dart48". Suture loading and a funnel shaped catch designed for consistent ease of use. The same minimal invasiveness and precision that favor EUS as a diagnostic modality have generated interest in its therapeutic potential.
The role of EUS-FNI for treatment for gastrointestinal malignancies seems promising in theory, but studies are limited and outcomes have been disappointing to date. EUS-guided gold fiducial insertion for image-guided radiation therapy of pancreatic cancer: Feasibility and safety of EUS-guided cryothermal ablation in patients with locally advanced pancreatic cancer.
Phase I clinical trial of allogeneic mixed lymphocyte cap;io cytoimplant delivered by endoscopic ultrasound-guided fine-needle injection in patients capio advanced pancreatic carcinoma.
While these procedures appear to be safe and reasonably well tolerated, their effectiveness and exact role in oncological treatment have yet to be established.
Verna EC, Dhar V. EUS-fine needle injection may be performed as adjunctive, alternative, or palliative treatment.
Injectable agents that have been described for this cappik include lymphocytic cultures, immature dendritic cells, and viral vectors, although most of these studies are limited by their small size, lack of newdle, and include patients with pancreatic cancer only[ 2 ].
In a study by Irisawa et al[ 52 ], 7 patients had EUS-guided dendritic cells injection, 5 of whom underwent radiation prior to dendritic cell installation to theoretically induce apoptosis and necrosis and increase tumor-associated antigens for dendritic cell cross-presentation. Phase I evaluation of TNFerade biologic plus chemoradiotherapy before esophagectomy for locally advanced resectable esophageal cancer.
ONYX ONYX is a gene-deleted replication-selective adenovirus that targets malignant cells and replicates inside them, ultimately leading to their death[ 59 ]. Ethanol causes cell-membrane lysis and protein degeneration and has been proposed as a method of ablating the cyst-wall epithelium of premalignant lesions or malignant lesions in poor surgical candidates[ 3 ].
YAG laser ablation of normal capoio tissue: High-intensity focused ultrasound treatment of liver tumours: A phase I cappioo trial of patients with resectable pancreatic cancer compared 15 control patients who received standard care to 9 patients who received preoperative EUS-FNI injection of immature dendritic cells and Picibanil OKa lyophilized mixture of group A Streptococcus pyogenes with antineoplastic activity.
EUS-guided celiac plexus neurolysis is now a well-accepted modality for palliation of pain in patients with pancreatic cancer, and EUS is now often used to facilitate bile duct identification and access during difficult endoscopic retrograde cholangiopancreatography ERCP [ 2 ].
While these seeds are usually placed operatively, EUS-guided brachytherapy has been described in pancreatic[ 34 ], esophageal[ 35 ], and head and neck tumors[ 36 ]. While no significant increase in survival was seen, tumor growth was effectively controlled in the majority of patients with improvement in pain scores[ 37 ].
World J Gastrointest Oncol. Since the introduction of endoscopic ultrasound EUS needdle the diagnosis and staging of gastrointestinal and pancreaticobiliary malignancies[ 1 ], EUS has increasingly been described as a therapeutic modality.
Capio™ SLIM
A similar study by Jin et al[ 37 ] used EUS-guided brachytherapy with gemcitabine and 5-flurouracil 5-FU therapy in 22 patients for up to 24 wk.
ONYX is a gene-deleted replication-selective adenovirus that targets malignant cells and replicates inside them, ultimately leading to their death[ 59 ]. Elucidation of the molecular mechanism underlying tumor-selective replication of the oncolytic adenovirus mutant ONYX
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