CC Madhya 7.150

‘vāsudevoddhāra’ ei kahila ākhyāna
‘vāsudevāmṛta-prada’ haila prabhura nāma
Word for word: 
vāsudeva-uddhāra — giving liberation to Vāsudeva; ei — this; kahila — is described; ākhyāna — narration; vāsudeva-amṛta-prada — the giver of nectar to Vāsudeva; haila — became; prabhura nāma — Lord Śrī Caitanya Mahāprabhu’s holy name.
Translation: 
Thus I have described how Śrī Caitanya Mahāprabhu reclaimed the leper Vāsudeva and so received the name Vāsudevāmṛta-prada.
Purport: 

The name Vāsudevāmṛta-prada is mentioned in the verses composed by Sārvabhauma Bhaṭṭācārya.