Additional Relevant Details  Vertex will pay Concert $160 million in cash for all worldwide development and commercialization rights to CTP-656. If CTP-656 is approved as part of a combination regimen to treat CF, Concert could receive up to an additional $90 million in milestones based on regulatory approval in the U.S. and reimbursement in the UK, Germany or France. The agreement is subject to approval by Concert's shareholders and the expiration of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act. Concert's Board of Directors unanimously support the transaction and recommend that Concert's shareholders vote in favor of it.