Abstract: Disclosed is a bone repair system, in particular for treatment of fractures or defects of the pars interarticularis. In an embodiment, the bone repair system comprises a support member and a fastening member. The support member is configured to be fixed to a first bone or bone fragment. The fastening member includes a first and a second end portion and an elongate portion extending between the first and the second end portions. The first end portion is coupled to the support member, and the elongate portion is configured to loop around at least one second bone or bone fragment. The support member includes fixation means for adjustably securing the second end portion of the fastening member so as to stabilize and/or fix the first and the second bone or bone fragment with respect to each other.