1915
The second patient was a 32-year-old woman with HIV, anxiety disorder, and a history of intravenous drug abuse who developed increased sedation and mental confusion when an atazanavir-ritonavir-based antiretroviral regimen was added to her stable antianxiety drug regimen, which included quetiapine.
 adverse event: developed 
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: adverse event, potential therapeutic event 
Text: {0} 
Answer:
 adverse event: developed 