First-in-Human Experience With 177Lu-DOTAGA.(SA.FAPi)2 Therapy in an Uncommon Case of Aggressive Medullary Thyroid Carcinoma Clinically Mimicking as Anaplastic Thyroid Cancer.
case_report · Level V
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- Record sourced from PubMed, PMID 35507435.
- Also identified by DOI 10.1097/RLU.0000000000004164.
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Abstract
A 56-year-old man was diagnosed with calcitonin negative, plasma chromogranin A-positive, immunohistochemistry-negative, high-grade MTC (medullary thyroid cancer) behaving clinically like anaplastic thyroid cancer and presented with progressive disease after conventional therapies. A theranostic approach of 68Ga-DOTA.SA.FAPi-guided 177Lu-DOTAGA.(SA.FAPi)2 radionuclide therapy was administered on compassionate grounds as per the Declaration of Helsinki because known standard lines of treatment were ineffective. Treatment with a single cycle of 1.65 GBq 177Lu-DOTAGA.(SA.FAPi)2 demonstrated a sustainable reduction in the neck mass with significant improvement in the quality of life of the patient. 177Lu-DOTAGA.(SA.FAPi)2 is a potential theranostic option for high-grade MTC refractory to standard therapeutic options.
Medical subject headings
- Thyroid Carcinoma, Anaplastic
- Thyroid Neoplasms