Ethinylestradiol/norethindrone acetate vaginal - Pfizer

Drug Profile

Ethinylestradiol/norethindrone acetate vaginal - Pfizer

Alternative Names: CI 1001

Latest Information Update: 12 Feb 2015

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At a glance

  • Originator Pfizer
  • Class Alkylated estrogenic steroids; Hormonal contraceptives; Norpregnatrienes; Norpregnenes; Small molecules
  • Mechanism of Action Estrogen receptor agonists; 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 No

Highest Development Phases

  • Discontinued Pregnancy

Most Recent Events

  • 12 Feb 2015 Discontinued - Phase-III for Pregnancy (Prevention) in USA (Vaginal) prior to February 2015
  • 21 Jun 2000 Warner-Lambert has merged with Pfizer
  • 31 Mar 2000 Phase-III clinical trials for Contraception/Pregnancy (Prevention) in USA (Vaginal)
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