Antibody to insulin-like growth factor 1 receptor (IGF1R) and related compositions and uses

An anti-insulin-like growth factor 1 receptor (IGF1R) antibody or antigen binding fragment thereof, comprising a heavy chain variable region (VH) and a light chain variable region (VL), wherein

• (1) the VH comprises an H-CDR1 comprising SEQ ID NO:
• 1, an H-CDR2 comprising SEQ ID NO:
• 12, and an H-CDR3 comprising SEQ ID NO:
• 52,
• and the VL comprises an L-CDR1 comprising SEQ ID NO:
• 98, an L-CDR2 comprising SEQ ID NO:
• 116, and an L-CDR3 comprising SEQ ID NO:
• 151;
• or
• (2) the VH comprises an H-CDR1 comprising SEQ ID NO:
• 1, an H-CDR2 comprising SEQ ID NO:
• 13, and an H-CDR3 comprising SEQ ID NO:
• 52,
• and the VL comprises an L-CDR1 comprising SEQ ID NO:
• 98, an L-CDR2 comprising SEQ ID NO:
• 117, and an L-CDR3 comprising SEQ ID NO:
• 152.