{"id":1008436,"date":"2026-10-08T06:19:53","date_gmt":"2026-10-08T10:19:53","guid":{"rendered":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/"},"modified":"2026-10-08T06:19:53","modified_gmt":"2026-10-08T10:19:53","slug":"perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors","status":"publish","type":"post","link":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/","title":{"rendered":"Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors"},"content":{"rendered":"
\n

SEATTLE, Oct. 08, 2026 (GLOBE NEWSWIRE) — Perspective Therapeutics, Inc. (\u201cPerspective,\u201d the \u201cCompany,\u201d \u201cwe,\u201d \u201cus,\u201d and \u201cour\u201d) (NYSE AMERICAN: CATX), a radiopharmaceutical development company pioneering advanced treatments for cancers throughout the body, today announced that the U.S. Food and Drug Administration (the \u201cFDA\u201d) granted Fast Track Designation for the development of PSV359 for adult patients with locally advanced unresectable and\/or metastatic fibroblast activation protein (FAP)-positive solitary fibrous tumors (SFTs).<\/p>\n

SFT is a rare cancer for which patients with locally advanced unresectable or metastatic disease have limited treatment options. [\u00b2\u00b9\u00b2Pb]PSV359 is an investigational FAP-targeted alpha-particle therapy being evaluated in an ongoing Phase 1\/2a study in patients with advanced FAP-positive solid tumors. Published clinical imaging research has demonstrated FAP-targeted tracer uptake in SFTs, supporting the biological rationale for evaluating a FAP-directed therapy in this disease.1<\/sup> Early human imaging data for PSV359 support<\/a> strong tumor uptake and fast renal clearance.<\/p>\n

The FDA\u2019s Fast Track program is intended to facilitate development and expedite the review of therapies for serious conditions with unmet medical needs.2<\/sup>\u00a0Programs that receive Fast Track Designation may benefit from more frequent interactions with the FDA regarding the development program. A Fast Track-designated product may also qualify for rolling review, Accelerated Approval, or Priority Review if the applicable requirements for those programs are met.2<\/sup> FDA treats these as distinct expedited programs with separate qualifying criteria.<\/p>\n

\u201cFAP-\u03b1 is a particularly compelling target because of its broad expression across solid tumors and within the tumor microenvironment, creating the potential for PSV359 to address a substantial patient population across multiple cancer types,\u201d said Markus Puhlmann, Perspective\u2019s Chief Medical Officer. \u201cThere are currently no approved therapies specifically targeting FAP-\u03b1, despite its association with aggressive cancers and tumor environments that can limit drug penetration and suppress immune activity. Imaging FAP-\u03b1 expression before treatment allows us to pair patient selection with targeted alpha radiopharmaceutical therapy and pursue that broad opportunity with precision.\u201d<\/p>\n

\u201cFast Track designation for FAP-positive solitary fibrous tumors is an important step in advancing the broader PSV359 program and our strategy of engineering targeted radiopharmaceutical therapy based on the alpha-generating isotope 212<\/sup>Pb to optimize the therapeutic window in oncology,\u201d said Thijs Spoor, Perspective\u2019s Chief Executive Officer. \u201cWe look forward to working with the FDA and the medical community to define an efficient development path for PSV359 in this rare and serious disease.\u201d<\/p>\n

\n About FAP<\/b>\n <\/p>\n

FAP is a cell-surface protein expressed predominantly by cancer-associated fibroblasts (CAFs) in the stroma, an important component of the tumor microenvironment (TME) in many epithelial cancers. FAP may also be expressed directly by certain cancer cells, including sarcomas and mesotheliomas.3<\/sup>,<\/sup>4<\/sup>,<\/sup>5<\/sup>,<\/sup>6<\/sup> Higher FAP-\u03b1 expression has been found to be associated with poor prognosis in a number of solid tumors such as non-small cell lung cancer, colorectal cancer, pancreatic cancer, stomach cancer, mesothelioma, head and neck cancer, esophageal cancer, and ovarian cancer.7<\/sup>,<\/sup>8<\/sup>,<\/sup>9<\/sup>,<\/sup>10<\/sup>,<\/sup>11<\/sup>,<\/sup>12<\/sup> FAP-\u03b1 expression is generally limited in healthy tissues.5<\/sup>,<\/sup>6<\/sup><\/p>\n

\n About PSV359<\/b>\n <\/p>\n

PSV359 was designed to target and deliver\u00a0212<\/sup>Pb to tumor sites expressing FAP-\u03b1, associated with multiple highly prevalent solid tumors, with patients in need of additional treatment options. The targeting moiety may also be radiolabeled with\u00a0203<\/sup>Pb or\u00a068<\/sup>Ga (known as PSV377) to detect FAP-\u03b1 expression in individual patients. Preclinical imaging and therapy, as well as early human imaging results, have demonstrated that Perspective’s proprietary targeting ligand improves target engagement and uptake in tumors and reduces retention in healthy tissues, which may result in a desirable therapeutic index.<\/p>\n

Perspective is conducting a multi-center, open-label, dose-finding and dose-expansion study (clinicaltrials.gov identifier\u00a0NCT06710756<\/u><\/a>) of [212<\/sup>Pb]PSV359 in patients with advanced solid tumors that express FAP-\u03b1 as determined by imaging with [203<\/sup>Pb]PSV359. The primary objective of the dose-finding phase of the study is to assess the safety and tolerability of various doses of [212<\/sup>Pb]PSV359 in order to inform selection of the recommended Phase 2 dose for use in the expansion phase. Antitumor activity may be evaluated as an additional primary outcome in the expansion portion of the study.<\/p>\n

\n About Perspective Therapeutics, Inc. <\/b>
\n
Perspective Therapeutics, Inc. is a radiopharmaceutical development company pioneering advanced treatments for cancers throughout the body. The Company has proprietary technology that utilizes the alpha-generating isotope\u00a0212<\/sup>Pb to deliver powerful radiation specifically to cancer cells via specialized targeting moieties. The Company is also developing complementary imaging techniques that incorporate the same targeting moieties, creating an opportunity to personalize treatment and optimize patient outcomes. This “theranostic” approach enables visualization of the specific tumor and subsequent treatment, potentially improving efficacy and minimizing toxicity.<\/p>\n

The Company is advancing a portfolio of clinical-stage programs in the U.S., including bamzireotide navoxetan (VMT-\u03b1-NET, neuroendocrine tumors), lapemelanotide zapixetar (VMT01, melanoma), and PSV359 (solid tumors).<\/p>\n

The Company is expanding its regional finished drug product candidate supply network, enabled by its proprietary\u00a0224<\/sup>Ra\/212<\/sup>Pb generator platform used to manufacture clinical drug product candidates, to support the delivery of patient-ready drug product candidates for clinical trials and, if approved, commercial operations.<\/p>\n

For more information, please visit the Company’s website at\u00a0www.perspectivetherapeutics.com<\/a>.<\/p>\n

\n Safe Harbor Statement<\/b>\n <\/p>\n

This press release contains forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995. Statements in this press release that are not statements of historical fact are forward-looking statements. Words such as “may,” “will,” “should,” “expect,” “plan,” “anticipate,” “could,” “intend,” “target,” “project,” “estimate,” “believe,” “predict,” “potential,” or “continue,” or the negative of these terms or other similar expressions are intended to identify forward-looking statements, though not all forward-looking statements contain these identifying words.\u00a0Forward-looking statements in this press release include statements concerning, among other things, the Company\u2019s proprietary technology, imaging techniques and product candidates, including PSV359, and related treatment opportunities; the Company\u2019s preclinical and clinical development plans and the expected timing for the release of additional data from its clinical programs; the Company\u2019s beliefs that its product candidates address certain unmet medical needs, including the potential for PSV359 to address a substantial patient populations across multiple cancer types; the anticipated clinical benefits of the Company\u2019s product candidates relative to existing therapies; the Company\u2019s expectations regarding regulatory pathways for its product candidates; the expected benefits regarding the U.S. Food and Drug Administration\u2019s (\u201cFDA\u201d) Fast Track Designation for PSV359, and PSV359\u2019s potential eligibility for accelerated approval, priority review and rolling review; the Company\u2019s expectations regarding its interactions with regulatory agencies, including the FDA, and the expected timing thereof; the Company\u2019s regional distribution and manufacturing capabilities; and other statements that are not historical fact.<\/p>\n

The Company may not actually achieve the plans, intentions, or expectations disclosed in the forward-looking statements, and you should not place undue reliance on the forward-looking statements. These forward-looking statements involve risks and uncertainties that could cause the Company’s actual results to differ materially from the results described in or implied by the forward-looking statements. Known risk factors include (without limitation) that the Company\u2019s clinical trials may be more costly or take longer to complete than anticipated, or may never be completed, or may not generate results that warrant future development of the tested product candidate; regulatory authorities may not grant or may delay approval for our product candidates; the Company may elect to change its strategy regarding its product candidates and clinical development activities; economic and market conditions may worsen; FDA\u2019s designation for PSV359 may not provide the anticipated benefits and could be subject to withdrawal; and risks related to the sufficiency of the Company\u2019s cash resources for its future operating expenses and capital expenditures. A more complete discussion of the risks and uncertainties facing the Company appears under the heading \u201cRisk Factors\u201d in the Company\u2019s most recent Annual Report on Form 10-K filed with the Securities and Exchange Commission (the \u201cSEC\u201d), in the Company\u2019s other filings with the SEC, and in the Company\u2019s future reports to be filed with the SEC and available at www.sec.gov. Forward-looking statements contained in this news release are made as of this date. Unless required to do so by law, we undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.<\/p>\n

\n Media and Investor Relations Contacts:<\/b>\n <\/p>\n

\n Perspective Therapeutics IR:<\/b>
\n
Annie J. Cheng, CFA
ir@perspectivetherapeutics.com<\/a><\/p>\n

\n ENTENTE Network of Companies<\/b>
\n
Katie Morris, PhD
katiemorris@ententeinc.com<\/a><\/p>\n

\n

\n 1<\/sup> Hamacher R, Pabst KM, Cheung PF, et al. Fibroblast Activation Protein \u03b1-Directed Imaging and Therapy of Solitary Fibrous Tumor. J Nucl Med. 2024;65(2):252-257. Published 2024 Feb 1. doi:10.2967\/jnumed.123.266411
2<\/sup> Guidance for Industry Expedited Programs for Serious Conditions \u2013 Drugs and Biologics.\u00a0https:\/\/www.fda.gov\/media\/86377\/download?attachment<\/a>. Accessed September 9, 2026.
3<\/sup> Garin-Chesa P, Old LJ, Rettig WJ. Cell surface glycoprotein of reactive stromal fibroblasts as a potential antibody target in human epithelial cancers. Proc Natl Acad Sci U S A<\/i>. 1990;87(18):7235-7239. doi:10.1073\/pnas.87.18.7235
4<\/sup> Dziadek S, Kraxner A, Cheng WY, et al. Comprehensive analysis of fibroblast activation protein expression across 23 tumor indications: insights for biomarker development in cancer immunotherapies. Front Immunol.<\/i> 2024;15:1352615. Published 2024 Mar 15. doi:10.3389\/fimmu.2024.1352615
5<\/sup> Kratochwil C, Flechsig P, Lindner T, et al. 68Ga-FAPI PET\/CT: Tracer Uptake in 28 Different Kinds of Cancer. J Nucl Med<\/i>. 2019;60(6):801-805. doi:10.2967\/jnumed.119.227967
6<\/sup> Fitzgerald AA, Weiner LM. The role of fibroblast activation protein in health and malignancy. Cancer Metastasis Rev<\/i>. 2020;39(3):783-803. doi:10.1007\/s10555-020-09909-3
7<\/sup> Cords L, Engler S, Haberecker M, et al. Cancer-associated fibroblast phenotypes are associated with patient outcome in non-small cell lung cancer. Cancer Cell<\/i>. 2024;42(3):396-412.e5. doi:10.1016\/j.ccell.2023.12.021
8<\/sup> Coto-Llerena M, Ercan C, Kancherla V, et al. High Expression of FAP in Colorectal Cancer Is Associated With Angiogenesis and Immunoregulation Processes. Front Oncol.<\/i> 2020;10:979. Published 2020 Jul 8. doi:10.3389\/fonc.2020.00979
9<\/sup> Henry LR, Lee HO, Lee JS, et al. Clinical implications of fibroblast activation protein in patients with colon cancer. Clin Cancer Res<\/i>. 2007;13(6):1736-1741. doi:10.1158\/1078-0432.CCR-06-1746
10<\/sup> Wang S, Zheng Y, Yang F, et al. The molecular biology of pancreatic adenocarcinoma: translational challenges and clinical perspectives. Signal Transduct Target Ther<\/i>. 2021;6(1):249. Published 2021 Jul 5. doi:10.1038\/s41392-021-00659-4
11<\/sup> Cohen SJ, Alpaugh RK, Palazzo I, et al. Fibroblast activation protein and its relationship to clinical outcome in pancreatic adenocarcinoma. Pancreas<\/i>. 2008;37(2):154-158. doi:10.1097\/MPA.0b013e31816618ce
12<\/sup> Ma C, Xi S, Sun, H, et al. Identifying the oncogenic roles of FAP in human cancers based on systematic analysis. Aging 2023<\/i>;15(14):7056-7083. doi: 10.18632\/aging.204892<\/p>\n

\"\"
\n
\n \"\"\n <\/div>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

SEATTLE, Oct. 08, 2026 (GLOBE NEWSWIRE) — Perspective Therapeutics, Inc. (\u201cPerspective,\u201d the \u201cCompany,\u201d \u201cwe,\u201d \u201cus,\u201d and \u201cour\u201d) (NYSE AMERICAN: CATX), a radiopharmaceutical development company pioneering advanced treatments for cancers throughout the body, today announced that the U.S. Food and Drug Administration (the \u201cFDA\u201d) granted Fast Track Designation for the development of PSV359 for adult patients with locally advanced unresectable and\/or metastatic fibroblast activation protein (FAP)-positive solitary fibrous tumors (SFTs). SFT is a rare cancer for which patients with locally advanced unresectable or metastatic disease have limited treatment options. [\u00b2\u00b9\u00b2Pb]PSV359 is an investigational FAP-targeted alpha-particle therapy being evaluated in an ongoing Phase 1\/2a study in patients with advanced FAP-positive solid tumors. Published clinical imaging research has demonstrated FAP-targeted tracer uptake in … <\/p>\n

Continue reading “Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-1008436","post","type-post","status-publish","format-standard","hentry"],"yoast_head":"\nPerspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors - Market Newsdesk<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors - Market Newsdesk\" \/>\n<meta property=\"og:description\" content=\"SEATTLE, Oct. 08, 2026 (GLOBE NEWSWIRE) — Perspective Therapeutics, Inc. 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(\u201cPerspective,\u201d the \u201cCompany,\u201d \u201cwe,\u201d \u201cus,\u201d and \u201cour\u201d) (NYSE AMERICAN: CATX), a radiopharmaceutical development company pioneering advanced treatments for cancers throughout the body, today announced that the U.S. Food and Drug Administration (the \u201cFDA\u201d) granted Fast Track Designation for the development of PSV359 for adult patients with locally advanced unresectable and\/or metastatic fibroblast activation protein (FAP)-positive solitary fibrous tumors (SFTs). SFT is a rare cancer for which patients with locally advanced unresectable or metastatic disease have limited treatment options. [\u00b2\u00b9\u00b2Pb]PSV359 is an investigational FAP-targeted alpha-particle therapy being evaluated in an ongoing Phase 1\/2a study in patients with advanced FAP-positive solid tumors. Published clinical imaging research has demonstrated FAP-targeted tracer uptake in … Continue reading \"Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors\"","og_url":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/","og_site_name":"Market Newsdesk","article_published_time":"2026-10-08T10:19:53+00:00","og_image":[{"url":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTg0MjAxOSM3ODg1NjI3IzUwMDAyODY4Mw==","type":"","width":"","height":""}],"author":"Newsdesk","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Newsdesk","Est. reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/#article","isPartOf":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/"},"author":{"name":"Newsdesk","@id":"https:\/\/www.marketnewsdesk.com\/#\/schema\/person\/482f27a394d4fda80ecb5499e519d979"},"headline":"Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors","datePublished":"2026-10-08T10:19:53+00:00","mainEntityOfPage":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/"},"wordCount":1733,"image":{"@id":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/#primaryimage"},"thumbnailUrl":"https:\/\/www.globenewswire.com\/newsroom\/ti?nf=OTg0MjAxOSM3ODg1NjI3IzUwMDAyODY4Mw==","inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/","url":"https:\/\/www.marketnewsdesk.com\/index.php\/perspective-therapeutics-granted-fast-track-designation-for-212pbpsv359-for-the-treatment-of-adult-patients-with-locally-advanced-unresectable-and-or-metastatic-fap-positive-solitary-fibrous-tumors\/","name":"Perspective Therapeutics Granted Fast Track Designation for [212Pb]PSV359 for the Treatment of Adult Patients with Locally Advanced Unresectable and\/or Metastatic FAP-Positive Solitary Fibrous Tumors - 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