Drug Profile


Alternative Names: Ivacaftor/VX 661; Tezacaftor/ivacaftor; VX-661/ivacaftor; VX-661/VX-770; VX-770/VX-661

Latest Information Update: 25 Mar 2017

Price : $50

At a glance

  • Originator Cystic Fibrosis Foundation Therapeutics; Vertex Pharmaceuticals
  • Class Amides; Aminophenols; Cyclopropanes; Fluorobenzenes; Quinolones; Small molecules
  • Mechanism of Action Cystic fibrosis transmembrane conductance regulator stimulants; Ion channel agonists
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    Yes - Cystic fibrosis
  • On Fast track

    Fast track status is assigned by the US FDA so therapies with the potential to address unmet needs can move faster through development.

  • New Molecular Entity No

Highest Development Phases

  • Phase III Cystic fibrosis

Most Recent Events

  • 20 Jan 2017 Vertex Pharmaceuticals completes a phase III trial in Cystic fibrosis (In adolescents, In adults) in USA, Canada, Denmark, France, Germany, Ireland, Italy, Netherlands, Spain, Sweden, Switzerland and United Kingdom (NCT02347657)
  • 18 Oct 2016 Phase-III clinical trials in Cystic fibrosis (In children) in USA (PO) in October 2016 (NCT02953314)
  • 15 Aug 2016 Vertex Pharmaceuticals completes enrolment in its phase III trial for Cystic Fibrosis (In adolescents, In adults) in USA, Canada, Denmark, France, Ireland, Italy, Netherlands, Spain, Sweden, Germany, Switzerland and UK
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