The present disclosure provides a cyclic peptide, or a variant or analog thereof, or a cyclic peptidomimetic, with between 15 and 35 amino acids, having a growth factor receptor-binding capability and comprising a peptide with four amino acids PEP1, and a peptide with five amino acids PEP2; wherein PEP1 is selected from the group consisting of SAIS, SSLS, NAIS, SATS, SPIS, EPIS, SPIN, KPLS, EPLP, EPLT, SNIT, RSVK and RPVQ; and wherein PEP2 is selected from the group consisting of LKNYQ, LKVYP, LKKYR, LRKHR, LKYHY, KFKYE, YGKIP, YKQYE, DHHKD, EQLSN, IGEMS, LGEMS, KEVQV and KKATV.