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For: Guglielmo P, Alongi P, Baratto L, Abenavoli E, Buschiazzo A, Celesti G, Conte M, Filice R, Gorica J, Jonghi-Lavarini L, Lanzafame H, Laudicella R, Librando M, Linguanti F, Mattana F, Miceli A, Olivari L, Piscopo L, Romagnolo C, Santo G, Vento A, Volpe F, Evangelista L. Head-to-Head Comparison of FDG and Radiolabeled FAPI PET: A Systematic Review of the Literature. Life (Basel) 2023;13:1821. [PMID: 37763225 PMCID: PMC10533171 DOI: 10.3390/life13091821] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open

For:	Guglielmo P, Alongi P, Baratto L, Abenavoli E, Buschiazzo A, Celesti G, Conte M, Filice R, Gorica J, Jonghi-Lavarini L, Lanzafame H, Laudicella R, Librando M, Linguanti F, Mattana F, Miceli A, Olivari L, Piscopo L, Romagnolo C, Santo G, Vento A, Volpe F, Evangelista L. Head-to-Head Comparison of FDG and Radiolabeled FAPI PET: A Systematic Review of the Literature. Life (Basel) 2023;13:1821. [PMID: 37763225 PMCID: PMC10533171 DOI: 10.3390/life13091821] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open

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Cited by Other Article(s)

Volpe F, Nappi C, Klain M. Long-axial-field of view in prostate cancer next generation imaging: the launch pad of theragnostic. Eur J Nucl Med Mol Imaging 2024;51:2134-2136. [PMID: 38351388 DOI: 10.1007/s00259-024-06647-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]

Ji M, Ma G, Liu C, Gu B, Du X, Ou X, Xu X, Song S, Yang Z. Head-to-head comparison of [⁶⁸Ga]Ga-DOTA-FAPI-04 and [¹⁸F]FDG PET/CT for the evaluation of tonsil cancer and lymph node metastases: a single-centre retrospective study. Cancer Imaging 2024;24:56. [PMID: 38702821 PMCID: PMC11069139 DOI: 10.1186/s40644-024-00699-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 04/25/2024] [Indexed: 05/06/2024] Open

Abstract

BACKGROUND

This study aimed to compare the diagnostic value of [68 Ga]Ga-DOTA-FAPI-04 and [18F]FDG PET/CT imaging for primary lesions and metastatic lymph nodes in patients with tonsil cancer.

METHOD

Twenty-one tonsil cancer patients who underwent [68 Ga]Ga-DOTA-FAPI-04 and [18F]FDG PET/CT scans within two weeks in our centre were retrospectively enrolled. The maximum standardized uptake value (SUVmax) and tumor-to-background ratio (TBR) of the two tracers were compared by using the Mann‒Whitney U test. In addition, the sensitivity, specificity, and accuracy of the two methods for diagnosing metastatic lymph nodes were analysed.

RESULTS

In detecting primary lesions, the efficiency was higher for [68 Ga]Ga-DOTA-FAPI-04 PET/CT (20/22) than for [18F]FDG PET/CT (9/22). Although [68 Ga]Ga-DOTA-FAPI-04 uptake (SUVmax, 5.03 ± 4.06) was lower than [18F]FDG uptake (SUVmax, 7.90 ± 4.84, P = 0.006), [68 Ga]Ga-DOTA-FAPI-04 improved the distinction between the primary tumor and contralateral normal tonsillar tissue. The TBR was significantly higher for [68 Ga]Ga-DOTA-FAPI-04 PET/CT (3.19 ± 2.06) than for [18F]FDG PET/CT (1.89 ± 1.80) (p < 0.001). In lymph node analysis, SUVmax and TBR were not significantly different between [68 Ga]Ga-DOTA-FAPI-04 and [18F]FDG PET/CT (7.67 ± 5.88 vs. 8.36 ± 6.15, P = 0.498 and 5.56 ± 4.02 vs. 4.26 ± 3.16, P = 0.123, respectively). The specificity and accuracy of [68 Ga]Ga-DOTA-FAPI-04 PET/CT were higher than those of [18F]FDG PET/CT in diagnosing metastatic cervical lymph nodes (all P < 0.05).

CONCLUSION

The availability of [68 Ga]Ga-DOTA-FAPI-04 complements the diagnostic results of [18F]FDG by improving the detection rate of primary lesions and the diagnostic accuracy of cervical metastatic lymph nodes in tonsil cancer compared to [18F]FDG.

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Affiliation(s)

Mengjing Ji Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Guang Ma Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Cheng Liu Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Bingxin Gu Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Xinyue Du Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Xiaomin Ou Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, 200032, China
Xiaoping Xu Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China
Shaoli Song Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China. Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China. Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China.
Zhongyi Yang Department of Nuclear Medicine, Fudan University Shanghai Cancer Center, Shanghai, 200032, China. Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China. Center for Biomedical Imaging, Fudan University, Shanghai, 200032, China. Shanghai Engineering Research Center of Molecular Imaging Probes, Shanghai, 200032, China.

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Arak H, Elboga U, Cayirli YB, Aytekin A. Prognostic significance of ⁶⁸ Ga-FAPI PET/CT in patients with bone metastases in various cancers. Ann Nucl Med 2024:10.1007/s12149-024-01935-3. [PMID: 38684594 DOI: 10.1007/s12149-024-01935-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Accepted: 04/18/2024] [Indexed: 05/02/2024]

Abstract

OBJECTIVE

This study aimed to compare 18FDGPET/CT in patients who develop bone metastases due to various cancers and to investigate the prognostic significance of the 68FAPI-PET/CT SUVmax value for survival.

METHODS

Patients with bone metastases who underwent both 68 Ga-FAPI PET/CT and 18FDGPET/CT within a 1 week period were included in this retrospective study. The effect of the SUVmax value of bone lesions on overall survival was analyzed.

RESULTS

A total of 75 eligible patients with 139 bone lesions were included in this study. The median age of the patients was 55 (30-83) and 48(64%) patients were newly diagnosed. The primary lesion median 68 Ga-FAPI PET/CT SUVmax value was higher than the median 18FDGPET/CT SUVmax (10.75 versus 6.7). Bone lesions 68 Ga-FAPI PET/CT SUVmax median (IQR) were 7.8 (4.6-13.2), and 18FDGPET/CT SUVmax of bone lesions were 5.9 (3.8-8.2). More bone lesions were detected on 68 Ga-FAPI PET/CT than on 18FDGPET/CT(median IQR 4 [1-9] versus 2 [1-6] (p = 0.014). The extra lesions observed on 68 Ga-FAPI PET/CT were mostly sclerotic bone lesions (p = 0.001).68 Ga-FAPI PET/CT SUVmax was significantly higher in vertebra and thorax lesions (p = 0.011 and p = 0.018, respectively). While the bone lesion 68 Ga-FAPI PET/CT SUVmax affected the OS, the 18FDGPET/CT SUVmax value did not affect the OS (p < 0.001 and p = 0.079, respectively). In ROC analysis, a cut-off-off value of 68 Ga-FAPI PET/CT SUVmax > 7.7 was found for OS (AUC: 0.619). The median OS in the group above the cut-off value was worse than that in the group below the cut-off value (32 versus 45) months (p = 0.002). In the multivariate analysis for OS, the 68 Ga-FAPI PET/CT SUVmax of bone lesions was an important parameter, as well as cancer subtype, ALP level, and disease occurrence.

CONCLUSIONS

68 Ga-FAPI PET/CT detected more bone lesions and higher SUVmax values than 18FDGPET/CT in various cancers. The prognostic value of the SUVmax value of 68 Ga-FAPI PET/CT bone lesions was observed regardless of disease subtype.

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Piscopo L, Volpe F. PET/CT imaging with radiolabeled FAPI: new opportunities for diagnosis and treatment of thyroid cancer. Eur J Nucl Med Mol Imaging 2024;51:800-802. [PMID: 37752269 DOI: 10.1007/s00259-023-06452-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]