ArticleMolecular imaging and biology2025
Peptide Receptor Radionuclide Therapy with Lu-177-DOTATATE and Monitoring with Somatostatin Receptor PET/CT in Patients with Advanced Differentiated Thyroid Carcinoma.
Article in Molecular imaging and biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Molecular pathways and emerging therapeutic strategies in advanced thyroid cancer: from targeted therapy to precision oncology.Clinical & translational oncology : official publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico · 2026Review
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Authors and funding
12 authors.
Funding
Abstract
purposePeptide receptor radionuclide therapy (PRRT) with Lu-177-DOTATATE is an established treatment option for neuroendocrine tumors (NETs) and has been extended to other somatostatin receptor (SSTR)-expressing tumors. We aimed to determine its efficacy and safety profile in patients with advanced radioiodine-refractory differentiated thyroid carcinoma (DTC).
methodsSeven radioiodine-refractory DTC patients undergoing at least two cycles of PRRT were included. Patients were subdivided into continuous treatment (defined as sequential application of PRRT; 5/7 (71.4%)) vs. discontinuous treatment (with at least one-year PRRT-free interval; 2/7 (28.6%)). Baseline SSTR PET was analyzed to determine patients' eligibility for PRRT. Response was assessed by tumor control as defined by stable (± 30.0%) or decreasing (≥ 30.0%) total tumor volume (PET-derived TTV), thyroglobulin (Tg) and RECIST 1.1 criteria.
resultsSSTR PET showed discernible high uptake (maximum standardized uptake values, 10.4 ± 8.6) in metastases, in particular in the skeleton. Continuous PRRT showed variable tumor control (stable disease / response; TTV: 3/5 (60.0%); Tg: 2/5 (40.0%); RECIST 1.1: 3/5 (60.0%)). All patients undergoing discontinuous PRRT exhibited concordant stable disease upon first follow-up and renewed tumor control upon reinitiating PRRT (RECIST 1.1; decreasing TTV and Tg levels). No Common Terminology Criteria for Adverse Events (CTCAE) Grade 3-5 events occured in both groups.
conclusionIn advanced radioiodine-refractory DTC, PRRT may be beneficial even after treatment interruptions, without major side effects. Given the small cohort and retrospective design, further prospective studies are needed to optimize PRRT strategies in DTC, in particular in a rechallenge scenario.
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