U.S. medical device company Impel NeuroPharma has completed a $67.5 million Series D financing round.

Impel NeuroPharma intends to use the proceeds to accelerate the clinical development of its existing portfolio for central nervous system disorders.

The round was co-led by KKR and Northwest Venture Partners with participation from existing backers Vivo Capital, 5AM Ventures and venBio Partners.

Impel NeuroPharma has raised a total of $108.1 million in over 8 funding rounds.