PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28280480-12 2017 CONCLUSION: (1) When patients were pretreated with a D2-dopamine receptor antagonist that was ineffective or not tolerated well, switching to a clonidine transdermal patch treatment was effective and safe. Clonidine 144-153 dopamine receptor D2 Homo sapiens 53-73