1438
The first patient was a 57-year-old man with HIV and bipolar disease who developed rapid and severe weight gain when quetiapine was added to a stable atazanavir-ritonavir-based antiretroviral regimen.
 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 