Insulet Corp.

(NASDAQ:PODD) on Wednesday posted upbeat second-quarter results but lowered its full-year revenue guidance.

Adjusted earnings rose to $1.66 per share from $1.17 a year earlier, beating the analyst consensus estimate of $1.45.

Revenue increased 23.5% year over year to $801.7 million, topping the Street estimate of $787.2 million.

"We delivered another quarter of broad-based growth, robust margin expansion, and positive free cash flow," CEO Ashley McEvoy said.