abstract |
A method of selecting a treatment regimen for a subject diagnosed with a cancer is provided. The method comprising, determining in cancer cells of said subject, CXCR4 occupancy in a presence and an absence of a peptide having an amino acid sequence as set forth in SEQ ID NO: 1 or an analog or derivative thereof, wherein an increase above a predetermined threshold in said CXCR4 occupancy in said presence of said peptide as compared to said absence of said peptide is indicative of suitability of said subject to treatment with said peptide, or analog or derivative. |