{"id":40811,"date":"2026-05-12T00:00:00","date_gmt":"2026-05-12T04:00:00","guid":{"rendered":"https:\/\/www.fusfoundation.org\/?p=40811"},"modified":"2026-05-12T09:35:42","modified_gmt":"2026-05-12T13:35:42","slug":"focused-ultrasound-for-canine-cancer-two-clinical-trials-launched-at-purdue-university","status":"publish","type":"post","link":"https:\/\/www.fusfoundation.org\/posts\/focused-ultrasound-for-canine-cancer-two-clinical-trials-launched-at-purdue-university\/","title":{"rendered":"Focused Ultrasound for Canine Cancer: Two Clinical Trials Launched at Purdue University"},"content":{"rendered":"\n<p><strong>Key Points<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dogs with lymphoma and osteosarcoma are now being enrolled in&nbsp;clinicals&nbsp;trials at Purdue University in West Lafayette, Indiana.&nbsp;<\/li>\n\n\n\n<li>The research studies are part of the Werling Comparative Oncology Research Center\u2019s innovative tumor ablation program.<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"333\" src=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/11170028\/golden-retriever_500.jpg\" alt=\"\" class=\"wp-image-40875\" style=\"width:400px\" srcset=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/11170028\/golden-retriever_500.jpg 500w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170028\/golden-retriever_500-300x200.jpg 300w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170028\/golden-retriever_500-188x125.jpg 188w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n<p>The first patients have been treated in two clinical trials&nbsp;that are using focused ultrasound to treat common malignant tumors in dogs. The&nbsp;research studies, for osteosarcoma and lymphoma,&nbsp;are taking place at&nbsp;Purdue University College of Veterinary Medicine\u2019s <a href=\"https:\/\/vet.purdue.edu\/wcorc\/\" target=\"_blank\" rel=\"noreferrer noopener\">Werling Comparative Oncology Research Center<\/a>&nbsp;as part of a new&nbsp;tumor ablation program.&nbsp;<\/p>\n\n\n\n<p>Both of these prospective clinical trials are using the Theraclion EchoPulse system. The focused ultrasound for veterinary applications initiative at Purdue is being led by Nick Dervisis, DVM, PhD, DACVIM (Oncology), Michael Childress, DVM, MS, DACVIM, and Shawna Klahn, DVM, DACVIM (Oncology). Dr. Dervisis also serves as the Foundation\u2019s senior advisor for veterinary initiatives.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-768x1024.jpg\" alt=\"\" class=\"wp-image-40813\" style=\"width:300px\" srcset=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-768x1024.jpg 768w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-225x300.jpg 225w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-1152x1536.jpg 1152w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-1536x2048.jpg 1536w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-94x125.jpg 94w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-500x667.jpg 500w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-800x1066.jpg 800w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-1280x1706.jpg 1280w, https:\/\/cdn.fusfoundation.org\/2026\/05\/07102357\/Nick-Dervisis-Headshot-1-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><figcaption class=\"wp-element-caption\"><em>Nick Dervisis, DVM, PhD, DACVIM (Oncology)<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p><strong>Osteosarcoma Clinical Trial<\/strong>&nbsp;<br>The&nbsp;<a href=\"https:\/\/vet.purdue.edu\/wcorc\/clinical-trials\/tumor-ablation.php#hifu-osteosarcoma\" target=\"_blank\" rel=\"noreferrer noopener\">osteosarcoma trial<\/a>&nbsp;is evaluating the safety, feasibility, and biological&nbsp;effects&nbsp;of&nbsp;using&nbsp;focused ultrasound&nbsp;to treat&nbsp;dogs with newly diagnosed appendicular osteosarcoma. This aggressive cancer often&nbsp;affects&nbsp;the longer leg bones in large dogs.&nbsp;After applying focused ultrasound to the tumor site, researchers will assess&nbsp;changes in&nbsp;the tumor microenvironment and immune response to inform future combination approaches with immune-based therapies.&nbsp;<\/p>\n\n\n\n<p>Participants first undergo pre-treatment functional imaging to plan the procedure. Researchers will then partially ablate the tumor using focused ultrasound under anesthesia. Follow-up scans will be completed after approximately a week, immediately before standard-of-care amputation of the limb. After recovery, the dogs will begin adjuvant chemotherapy.<\/p>\n\n\n\n<p>Eligible dogs must be at least one year old&nbsp;and weigh more than 18 pounds. The University is covering the cost of the focused ultrasound treatment, up to&nbsp;$2,600 toward surgical amputation, and&nbsp;follow-up visits.&nbsp;<\/p>\n\n\n\n<p><strong>Lymphoma Clinical Trial<\/strong>&nbsp;<br>The second&nbsp;clinical&nbsp;trial is&nbsp;for the treatment of&nbsp;<a href=\"https:\/\/vet.purdue.edu\/wcorc\/clinical-trials\/tumor-ablation.php#hifu-lymphoma\" target=\"_blank\" rel=\"noreferrer noopener\">lymphoma, one&nbsp;of the most common cancers in dogs<\/a>.&nbsp;The goal of this research&nbsp;is&nbsp;to&nbsp;safely destroy part of a cancerous lymph node and stimulate the immune system to help fight&nbsp;the cancer&nbsp;throughout the body.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"703\" src=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-1024x703.jpg\" alt=\"\" class=\"wp-image-40876\" style=\"width:400px\" srcset=\"https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-1024x703.jpg 1024w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-300x206.jpg 300w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-768x527.jpg 768w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-1536x1054.jpg 1536w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-2048x1405.jpg 2048w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-182x125.jpg 182w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-500x343.jpg 500w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-800x549.jpg 800w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-1280x878.jpg 1280w, https:\/\/cdn.fusfoundation.org\/2026\/05\/11170220\/Purdue-ablation-suite-1920x1318.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Purdue University Ablation Suite<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Before&nbsp;treatment, the team will take a needle biopsy of an unaffected lymph node to&nbsp;set&nbsp;a baseline.&nbsp;Participants&nbsp;will then&nbsp;undergo a single focused ultrasound&nbsp;lymph node treatment. Approximately one week&nbsp;later,&nbsp;the team will compare the treated lymph node&nbsp;with&nbsp;an untreated node&nbsp;and&nbsp;also&nbsp;assess blood samples for immune changes.&nbsp;All dogs will then receive a full&nbsp;25-week&nbsp;course of standard&nbsp;chemotherapy using the&nbsp;\u201cCHOP protocol\u201d&nbsp;\u2013 a regimen of chemotherapeutics including&nbsp;cyclophosphamide, doxorubicin, vincristine&nbsp;(Oncovin), and prednisolone&nbsp;\u2013&nbsp;for patients with aggressive non-Hodgkin&#8217;s lymphoma.&nbsp;<\/p>\n\n\n\n<p>Eligible dogs must be&nbsp;at least&nbsp;one&nbsp;year old,&nbsp;weigh&nbsp;more than 18 pounds, and have a&nbsp;confirmed diagnosis of intermediate or large-cell, multicentric lymphoma (B-&nbsp;or T-cell).&nbsp;<\/p>\n\n\n\n<p>Purdue will cover the cost of the focused ultrasound procedure&nbsp;plus&nbsp;all biopsies and blood tests as outlined in the trial protocol. Additionally, owners will receive&nbsp;a $2,000 credit&nbsp;toward the cost of the CHOP chemotherapy protocol and up to $2,000 in&nbsp;additional&nbsp;support for managing any side effects linked to focused ultrasound or&nbsp;to be applied&nbsp;toward CHOP therapy.&nbsp;<\/p>\n\n\n\n<p>\u201cTreating&nbsp;these&nbsp;first patients represents a defining milestone for our program,\u201d said Dr.&nbsp;Dervisis. \u201cIt reflects years of collaboration and preparation to bring advanced ablation technologies into a clinically embedded, translational research environment. I am proud of the close cross-disciplinary collaboration among oncologists, anesthesiologists, radiologists, immunologists, medical physicists, and engineers,&nbsp;with a central goal of improving our understanding of how tumor ablation&nbsp;initiates&nbsp;anti-tumor immune responses and modulates the tumor&nbsp;microenvironment.\u201d&nbsp;<\/p>\n\n\n\n<p>Both studies are&nbsp;being funded&nbsp;by the Focused Ultrasound Foundation.&nbsp;<\/p>\n\n\n\n<p>\u201cThis trial represents an important step forward as we explore focused ultrasound as a&nbsp;safer treatment for companion animals&nbsp;with this deadly cancer,\u201d&nbsp;said&nbsp;Tonya Cherukuri, PhD, director of the Foundation\u2019s Veterinary Program. \u201cThe Foundation is committed to promoting the One Medicine&nbsp;Initiative, where improving the lives of animals through focused ultrasound can also inform better treatments for humans.\u201d&nbsp;<\/p>\n\n\n\n<p><strong>About&nbsp;Purdue\u2019s&nbsp;Tumor Ablation Program<\/strong>&nbsp;<br>The tumor ablation program at the Werling Center brings advanced noninvasive&nbsp;and minimally invasive tumor destruction technologies to pets with cancer&nbsp;by&nbsp;integrating real-time imaging,&nbsp;such as ultrasound and CT,&nbsp;and functional imaging&nbsp;to precisely plan, guide, and&nbsp;monitor&nbsp;treatments while protecting surrounding healthy tissue.&nbsp;<\/p>\n\n\n\n<p>The program encompasses&nbsp;several&nbsp;directed&nbsp;energy\u2013based&nbsp;ablation strategies&nbsp;designed to irreversibly disrupt tumor viability, structure, and function. Technologies such as&nbsp;thermal&nbsp;focused ultrasound, pulsed field ablation, and histotripsy enable precise tumor targeting while minimizing collateral&nbsp;damage and&nbsp;are delivered within clinical trials that both expand treatment options for patients and accelerate discovery across species.&nbsp;<\/p>\n\n\n\n<p>The tumor ablation team leading these efforts includes Dr.&nbsp;Dervisis, Dr. Childress,&nbsp;Dr.&nbsp;Klahn,&nbsp;and Keith&nbsp;Stanz (Medical Physics),&nbsp;along with research technicians Deb Stevenson and Kelly Martin. Their work reflects a highly coordinated, multidisciplinary approach&nbsp;to&nbsp;safely and effectively deliver advanced therapies&nbsp;in a clinical setting.&nbsp;<\/p>\n\n\n\n<p><strong>For Patients<\/strong>&nbsp;<br><a href=\"https:\/\/vet.purdue.edu\/wcorc\/clinical-trials\/tumor-ablation.php#hifu-osteosarcoma\" target=\"_blank\" rel=\"noreferrer noopener\">Learn more about the&nbsp;osteosarcoma clinical trial<\/a>.&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/vet.purdue.edu\/wcorc\/clinical-trials\/tumor-ablation.php#hifu-lymphoma\" target=\"_blank\" rel=\"noreferrer noopener\">Learn more about the lymphoma clinical trial.<\/a>&nbsp;<\/p>\n\n\n\n<p>For either trial, you may also&nbsp;contact the Oncology&nbsp;Tumor Ablation Service&nbsp;at&nbsp;<a href=\"mailto:TumorAblation@purdue.edu\" target=\"_blank\" rel=\"noreferrer noopener\">TumorAblation@purdue.edu<\/a>&nbsp;or&nbsp;<a href=\"tel:765-494-1130\" target=\"_blank\" rel=\"noreferrer noopener\">765-494-1130<\/a>.&nbsp;<\/p>\n\n\n\n<p><strong>Related Stories<\/strong>&nbsp;<br><a href=\"https:\/\/www.fusfoundation.org\/posts\/foundation-research-awards-update-six-preclinical-projects-launched-in-fourth-quarter-2025\/\" target=\"_blank\" rel=\"noreferrer noopener\">Foundation Research Awards Update: Six Preclinical Projects Launched in Fourth Quarter 2025<\/a>&nbsp;January 2026&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/www.fusfoundation.org\/posts\/foundation-adds-senior-advisor-for-veterinary-initiatives\/\" target=\"_blank\" rel=\"noreferrer noopener\">Foundation Welcomes Senior Advisor for Veterinary Initiatives<\/a>&nbsp;April 2023&nbsp;<\/p>\n\n\n\n<p><a href=\"https:\/\/www.fusfoundation.org\/posts\/veterinary-program-milestone-focused-ultrasound-safely-treats-canine-tumors\/\" target=\"_blank\" rel=\"noreferrer noopener\">Veterinary Program Milestone: Focused Ultrasound Safely Treats Canine Tumors<\/a>&nbsp;August 2022<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dogs with lymphoma and osteosarcoma are now being enrolled in\u00a0clinicals\u00a0trials at Purdue University in West Lafayette, Indiana.\u00a0<\/p>\n","protected":false},"author":7,"featured_media":40875,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_searchwp_excluded":"","_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[40],"tags":[50],"class_list":["post-40811","post","type-post","status-publish","has-post-thumbnail","hentry","category-news","tag-researchers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO 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