1.1
Current evidence on the efficacy of deep dermal injection of non-absorbable gel polymer (NAGP) for HIV-related facial lipoatrophy is adequate. With regard to safety, infections that may need surgical removal of the implant are a risk in the longer term and other complications, including granuloma formation and migration, are common. Therefore, this procedure should be performed only with special arrangements for clinical governance, consent and audit or research.