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68Ga-PSMA-11 is a radiotracer that binds with high affinity to PSMA and in doing so can reveal prostate cancer cells in the body. Gallium 68 (Ga 68) gozetotide binds to PSMA.1 It binds to cells that express PSMA, including malignant prostate cancer cells, which usually overexpress PSMA. Ga 68 is a β+ emitting radionuclide that allows PET.2
References: 1. Dorff TB, Fanti S, Farolfi A, Reiter RE, Sadun TY, Sartor O. The evolving role of prostate-specific membrane antigen-based diagnostics and therapeutics in prostate cancer. Am Soc Clin Oncol Educ Book. 2019;39:321-330. 2. Gozellix (kit for the preparation of gallium Ga 68 gozetotide injection) prescribing information.