Drug Profile


Alternative Names: Nestorone; ST 1435

Latest Information Update: 20 May 2016

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At a glance

  • Originator Population Council (USA)
  • Class Hormonal contraceptives; Norpregnenes; Pregnenediones; Small molecules
  • Mechanism of Action Progesterone receptor agonists
  • Orphan Drug Status

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

  • New Molecular Entity Yes

Highest Development Phases

  • Phase I Pregnancy
  • Discontinued Endometriosis; Menopausal syndrome

Most Recent Events

  • 20 May 2016 Phase-I development for Contraception/Pregnancy (Prevention) is ongoing in USA (IV)
  • 01 Sep 2014 Phase-I clinical trials in Contraception/Pregnancy (Prevention) (In volunteers) in USA (IV)
  • 31 Mar 2007 Discontinued - Clinical-Phase-Unknown for Contraception/Pregnancy (Prevention) in Brazil (Transdermal)
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