Drug Profile


Alternative Names: E4/DRSP; Estelle; Estetrol/Drospirenone

Latest Information Update: 04 May 2017

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At a glance

  • Originator Estetra S.A.
  • Class Androstenes; Antiandrogens; Gonadal steroid hormones; Oral contraceptives; Small molecules
  • Mechanism of Action Estrogen receptor beta modulators; Mineralocorticoid receptor antagonists; Progesterone receptor agonists; Testosterone congener inhibitors
  • 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

  • Phase III Pregnancy

Most Recent Events

  • 04 May 2017 Estetra completes a phase I pharmacokinetics and safety trial in Pregnancy (Prevention) in Netherlands (PO) (NCT02874248)
  • 14 Dec 2016 Estetra initiates a phase II trial for Contraception in Netherlands (PO) (EudraCT2016-004267-40)
  • 01 Sep 2016 Phase-II clinical trials in Pregnancy (Prevention) in Netherlands (PO) (NCT02957630)
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