[68Ga]Ga-ABY-025 PET for Quantification of HER2-status in Solid Tumors
Phase II Study of [68Ga]Ga-ABY-025 PET for Non-invasive Quantification of HER2-status in Solid Tumors
Phase II Study of [68Ga]Ga-ABY-025 PET for Non-invasive Quantification of HER2-status in Solid Tumors
Sponsor study identifier
Secondary identifiers
OTHER · EU CT Number
interventional
72
1 country
1
Study Start
November 23, 2022
Actual (reported)Primary Completion
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
The goal of this phase II clinical trial is to improve the selection of patients with solid tumors who would benefit from effective treatment with HER2 targeted drugs. This will be achieved by examining patients with HER2 positive tumors in the esophagus or stomach or patients with advanced breast cancer with low HER2 expression (HER2low) with the HER2 specific positron emission tomography (PET) tracer ABY-025 (HER2-PET) and compare the imaging results with HER2 expression in tumor tissue derived from biopsies (reference standard).
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
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Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
November 7, 2022
Actual (reported)November 16, 2022
Actual (reported)November 23, 2022
Actual (reported)December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Percentage of HER2-positive lesions
Percentage of HER2-positive lesions (primary tumors and/or metastases) measured by tracer uptake on PET/CT which are also positive regarding HER2-status defined by reference biopsy-based standard used in clinical routine in patients with GEAC
up to 24 months
SUV
up to 24 months
TBR
up to 24 months
The participants of the study will undergo two sessions of HER2 PET and one 18F-FDG PET/CT for study purposes. The first HER2 PET is performed within 21 days before initiation of the systemic oncological treatment including HER2-targeted drugs, and is followed by tumor biopsies. A second HER2 PET and a second 18F-FDG PET will be performed adjacent to response evaluation after 3 courses of oncological therapy. Data from the PET investigations will be compared to HER2 expression analyses of the biopsy specimen and correlated to disease and survival data at follow up one year after inclusion. Within the pilot study, participants with HER2 low mBC will undergo one HER2 PET followed by biopsies.
\[68Ga\]Ga-ABY-025 PET: Each patient in Cohort 1 will be imaged with a PET/CT twice using the radiolabeled investigational product ABY-025 as a tracer. At the time of injection, a 45-minutes long dynamic scan will take place over a pre specified region of interest. Three hours after injection a full body PET scan followed by a CT scan will be performed.
Department of Radiation Physics and Nuclear Medicine, Karolinska University Hospital
Stockholm, 14186, Sweden
Velikyan I, Schweighofer P, Feldwisch J, Seemann J, Frejd FY, Lindman H, Sorensen J. Diagnostic HER2-binding radiopharmaceutical, [68Ga]Ga-ABY-025, for routine clinical use in breast cancer patients. Am J Nucl Med Mol Imaging. 2019 Feb 15;9(1):12-23. eCollection 2019.
Alhuseinalkhudhur A, Lubberink M, Lindman H, Tolmachev V, Frejd FY, Feldwisch J, Velikyan I, Sorensen J. Kinetic analysis of HER2-binding ABY-025 Affibody molecule using dynamic PET in patients with metastatic breast cancer. EJNMMI Res. 2020 Mar 23;10(1):21. doi: 10.1186/s13550-020-0603-9.
Rimma Axelsson, Prof., MD
Karolinska University Hospital
First Submitted
November 7, 2022
First Posted
November 16, 2022
Study Start
Intra-individual heterogeneity of HER2-positivity
up to 24 months
Feasibility in HER2low
up to 24 months
HER2 positive cancer burden
up to 24 months
Treatment response 1
up to 36 months
Treatment response 2
up to 36 months
Comparison between HER2 PET and FDG PET
up to 24 months
Biopsy: Within 3 days after the first ABY-025-PET a tissue sample from at least one metastasis \>10 mm available for biopsy, preferably shallow lymph nodes, will be analyzed for HER2 expression through immunohistochemistry- (IHC) and in situ hybridization- (ISH) analysis in patients with GEAC and HER2low mBC.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
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Ahlgren S, Orlova A, Wallberg H, Hansson M, Sandstrom M, Lewsley R, Wennborg A, Abrahmsen L, Tolmachev V, Feldwisch J. Targeting of HER2-expressing tumors using 111In-ABY-025, a second-generation affibody molecule with a fundamentally reengineered scaffold. J Nucl Med. 2010 Jul;51(7):1131-8. doi: 10.2967/jnumed.109.073346. Epub 2010 Jun 16.
Sandstrom M, Lindskog K, Velikyan I, Wennborg A, Feldwisch J, Sandberg D, Tolmachev V, Orlova A, Sorensen J, Carlsson J, Lindman H, Lubberink M. Biodistribution and Radiation Dosimetry of the Anti-HER2 Affibody Molecule 68Ga-ABY-025 in Breast Cancer Patients. J Nucl Med. 2016 Jun;57(6):867-71. doi: 10.2967/jnumed.115.169342. Epub 2016 Feb 9.
Sorensen J, Sandberg D, Sandstrom M, Wennborg A, Feldwisch J, Tolmachev V, Astrom G, Lubberink M, Garske-Roman U, Carlsson J, Lindman H. First-in-human molecular imaging of HER2 expression in breast cancer metastases using the 111In-ABY-025 affibody molecule. J Nucl Med. 2014 May;55(5):730-5. doi: 10.2967/jnumed.113.131243. Epub 2014 Mar 24.
Sorensen J, Velikyan I, Sandberg D, Wennborg A, Feldwisch J, Tolmachev V, Orlova A, Sandstrom M, Lubberink M, Olofsson H, Carlsson J, Lindman H. Measuring HER2-Receptor Expression In Metastatic Breast Cancer Using [68Ga]ABY-025 Affibody PET/CT. Theranostics. 2016 Jan 1;6(2):262-71. doi: 10.7150/thno.13502. eCollection 2016.
Tolmachev V, Velikyan I, Sandstrom M, Orlova A. A HER2-binding Affibody molecule labelled with 68Ga for PET imaging: direct in vivo comparison with the 111In-labelled analogue. Eur J Nucl Med Mol Imaging. 2010 Jul;37(7):1356-67. doi: 10.1007/s00259-009-1367-7. Epub 2010 Feb 4.
Sandberg D, Tolmachev V, Velikyan I, Olofsson H, Wennborg A, Feldwisch J, Carlsson J, Lindman H, Sorensen J. Intra-image referencing for simplified assessment of HER2-expression in breast cancer metastases using the Affibody molecule ABY-025 with PET and SPECT. Eur J Nucl Med Mol Imaging. 2017 Aug;44(8):1337-1346. doi: 10.1007/s00259-017-3650-3. Epub 2017 Mar 6.
Altena R, Buren SA, Blomgren A, Karlsson E, Tzortzakakis A, Brun N, Moein MM, Jussing E, Frejd FY, Bergh J, Tran TA, Hartman J, Axelsson R. Human Epidermal Growth Factor Receptor 2 (HER2) PET Imaging of HER2-Low Breast Cancer with [68Ga]Ga-ABY-025: Results from a Pilot Study. J Nucl Med. 2024 May 1;65(5):700-707. doi: 10.2967/jnumed.123.266847.
Jussing E, Ferrat M, Moein MM, Alfredeen H, Tegnebratt T, Bratteby K, Samen E, Feldwisch J, Altena R, Axelsson R, Tran TA. Optimized, automated and cGMP-compliant synthesis of the HER2 targeting [68Ga]Ga-ABY-025 tracer. EJNMMI Radiopharm Chem. 2023 Nov 22;8(1):41. doi: 10.1186/s41181-023-00226-y.
November 23, 2022
Actual (reported)Primary Completion
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Study Completion
December 31, 2025
Estimated (date passed)This estimate has passed. The registry has not confirmed an actual date for this milestone.
Last Updated
November 30, 2022
Record last verified: 2022-11
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