The present disclosure provides a cyclic peptide, or a variant or analog thereof, or a cyclic peptidomimetic, with between 10 and 35 amino acids, having a growth factor receptor-binding capability and comprising a peptide with four amino acids PEP1; wherein PEP1 is selected from the group consisting of SAIS, SSLS, NAIS, SATS, SPIS, EPIS, SPIN, KPLS, EPLP, EPLT, SNIT, RSVK and RPVQ.