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Feasibility, Biodistribution, and Preliminary Dosimetry in Peptide-Targeted Radionuclide Therapy of Diverse Adenocarcinomas Using 177Lu-FAP-2286: First-in-Humans Results

Open access
Baum, Richard P., Schuchardt, Christiane, Singh, Aviral, Chantadisai, Maythinee, Robiller, Franz C., Zhang, Jingjing, Mueller, Dirk, Eismant, Alexander, Almaguel, Frankis, Zboralski, Dirk, Osterkamp, Frank, Hoehne, Aileen, Reineke, Ulrich, Smerling, Christiane, Kulkarni, Harshad R.·2022·Journal of Nuclear Medicine

Abstract

Fibroblast activation protein (FAP) is a promising target for diagnosis and therapy of numerous malignant tumors. FAP-2286 is the conjugate of a FAP-binding peptide, which can be labeled with radionuclides for theranostic applications. We present the first-in-human results using 177Lu-FAP-2286 for peptide-targeted radionuclide therapy (PTRT). Methods: PTRT using 177Lu-FAP-2286 was performed in 11 patients with advanced adenocarcinomas of pancreas, breast, rectum and ovary after prior confirmation of uptake on 68Ga-FAP-2286/-FAPI-04- PET/CT. Results: Administration of 177Lu-FAP-2286 (5.8 ± 2.0 GBq; range, 2.4–9.9 GBq) was well tolerated, with no adverse symptoms or clinically detectable pharmacologic effects being noticed or reported in any of the patients. The whole-body effective doses were 0.07 ± 0.02 Gy/GBq (range 0.04 – 0.1). The mean absorbed doses for kidneys and red marrow were 1.0 ± 0.6 Gy/GBq (range 0.4 – 2.0) and 0.05 ± 0.02 Gy/GBq (range 0.03 – 0.09), respectively. Significant uptake and long tumor retention of 177Lu-FAP-2286 resulted in high absorbed tumor doses, e.g., 3.0 ± 2.7 Gy/GBq (range 0.5 – 10.6) in bone metastases. No grade (G) 4 adverse events were observed. G3 events occurred in 3 patients – 1 pancytopenia, 1 leukocytopenia and 1 pain flare-up; 3 patients reported pain-response. Conclusion:177Lu-FAP-2286 PTRT, applied in a broad spectrum of cancers, was relatively well-tolerated with acceptable side effects and demonstrated long retention of the radiopeptide. Prospective clinical studies are warranted.

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Metadata

Authors
Baum, R. P., Schuchardt, C., Singh, A., Chantadisai, M., Robiller, F. C., Zhang, J., Mueller, D., Eismant, A., Almaguel, F., Zboralski, D., Osterkamp, F., Hoehne, A., Reineke, U., Smerling, C., & Kulkarni, H. R.
Venue
Journal of Nuclear Medicine
Published
2021-06-24
Volume
63
Issue
3
Pages
415-423
ISSN
  • 0161-5505 (ISSN-L)
  • 2159-662X
OpenAlex
W3173923097
Cited by
359
References
27
FWCI
22.96
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Feasibility, Biodistribution, and Preliminary Dosimetry in Peptide-Targeted Radionuclide Therapy of Diverse Adenocarcinomas Using 177Lu-FAP-2286: First-in-Humans Results. https://app.cochat.ai/papers/10.2967/jnumed.120.259192
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Baum, R. P., Schuchardt, C., Singh, A., Chantadisai, M., Robiller, F. C., Zhang, J., Mueller, D., Eismant, A., Almaguel, F., Zboralski, D., Osterkamp, F., Hoehne, A., Reineke, U., Smerling, C., & Kulkarni, H. R. (2022). Feasibility, Biodistribution, and Preliminary Dosimetry in Peptide-Targeted Radionuclide Therapy of Diverse Adenocarcinomas Using 177Lu-FAP-2286: First-in-Humans Results. Journal of Nuclear Medicine. https://doi.org/10.2967/jnumed.120.259192

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