Akcea Therapeutics Inc., of Boston, appointed Kia Motesharei senior vice president of business development and corporate strategy.

Altasciences Co. Inc., of Laval, Quebec, appointed Gaetano Morelli chief medical officer.

Amolyt Pharma, of Lyon, France, appointed Pierre Legault director and chair of its board.

Amplyx Pharmaceuticals Inc., of San Diego, appointed Chris LeMasters chief operating officer and Carlos Sattler senior vice president, clinical development.

Ardelyx Inc., of Fremont, Calif., appointed Justin Renz chief financial officer.

Dendreon Pharmaceuticals LLC, of Seal Beach, Calif., appointed Jason O’Neill CEO.

Iteos Therapeutics SA, of Gosselies, Belgium, appointed Matthew Gall chief financial officer, Yvonne McGrath vice president of R&D and Philippe Brantegem vice president of human resources.

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