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Low-glucose/High-fat Intake Dietary Regimen as a Tool for Empowering Diagnostic Accuracy of 2-[18F]FDG PET/CT in Lepidic-predominant Growth Lung Adenocarcinoma
Sponsor: Fondazione del Piemonte per l'Oncologia
Summary
This study evaluates whether a 7-day ketogenic dietary regimen before 2-\[18F\]FDG PET/CT can improve the diagnostic accuracy of imaging in adults with suspected or histologically confirmed lepidic-predominant lung adenocarcinoma (LPA). LPA frequently shows low glucose metabolism and may yield false-negative FDG PET/CT results. Approximately 30 participants will undergo a tailored ketogenic diet for 7 days before PET/CT. Imaging results will be compared with histopathology and additionally assessed against literature-reported diagnostic performance and a matched retrospective institutional cohort.
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
30
Start Date
2025-07-03
Completion Date
2027-03-30
Last Updated
2026-03-20
Healthy Volunteers
No
Interventions
Ketogenic diet
Tailored low-glucose/high-fat ketogenic dietary regimen administered for 7 consecutive days before 2-\[18F\]FDG PET/CT. Compliance will be assessed by clinical review, laboratory testing, and urinalysis on the day of PET/CT.
2-[18F]FDG PET/CT
FDG PET/CT performed after completion of the 7-day ketogenic diet. Images will undergo visual and semiquantitative assessment, including comparison of target nodule uptake with mediastinal blood pool background and measurement of SUVmax.
Locations (1)
Fondazione del Piemonte per l'Oncologia- IRCCS Istituto di Candiolo, Candiolo, Turin 10060
Candiolo, Torino (TO), Italy