By David Carnevali NEW YORK (Reuters) – AbbVie Inc is nearing an approximately $8 billion deal to acquire Cerevel Therapeutics Holdings Inc, a developer of drugs for neurological conditions such as Parkinson’s, people familiar with the matter said on Wednesday. The acquisition would come just days after AbbVie agreed to buy cancer drug developer ImmunoGen Inc for $10.1 billion in cash, highlighting its appetite to place big bets on promising new medicines. AbbVie is in talks to pay around $45 per share for Cerevel, which is backed by private equity firm Bain Capital, the sources said. If the n…