An effective and safe formulation of sustained-release rhGH for two months using poly(monomethoxypolyethylene glycol-co-d,l-lactide) (mPEG-PLA, PELA) microspheres was developed to reduce the frequency of medication

Yi Wei et al., Mol. Pharmaceutics, 2012, 9 (7), pp 2039–2048; DOI: 10.1021/mp300126t