TheraRadar
Data updated: May 26, 2026

PHILITH (ethinyl estradiol)

Women's Health Approved 2011-12-22

Oral contraceptives are indicated for the prevention of pregnancy in women who elect to use this product as a method of contraception. Oral contraceptives are highly effective. Table 1 lists the typical accidental pregnancy rates for users of combination oral contraceptives and other methods of contraception. The efficacy of these contraceptive methods, except sterilization, depends upon the reliability with which they are used.

Source: FDA Label • NOVAST LABS LTD
1
Indication
--
Phase 3 Trials
14
Years on Market

Details

Status
Prescription
First Approved
2011-12-22
Routes
ORAL-28
Dosage Forms
TABLET

Companies

Active Ingredient: ETHINYL ESTRADIOL , NORETHINDRONE

PHILITH Approval History

2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
3 FDA actions from 2011 to 2022
Apr 2022 SUPPL
Label · Labeling
Aug 2017 SUPPL
Label · Labeling
Dec 2011 ORIGINAL
Update

What PHILITH Treats

1 FDA approvals

Originally approved for its first indication in 2011 .

  • Other (1)
📋

Clinical Trial Registry

2 trials
Trial Sponsor ID Phase Status Title
NCT07340190 CDAK539A12102 2025-521000-22-00 Ph 1 not yet recruiting A Drug-drug Interaction Study to Evaluate the Effects of Pelabresib on the Pharmacokinetics of Repaglinide, Midazolam, and Combined Oral Contraceptive in Patients With Advanced Malignancies
NCT06039826 18533 J1I-MC-GZBV Ph 1 completed A Study of LY3437943 in Postmenopausal Female Participants Who Are Overweight or Obese
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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📊

Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

PHILITH FDA Label Details

Indications & Usage

Oral contraceptives are indicated for the prevention of pregnancy in women who elect to use this product as a method of contraception. Oral contraceptives are highly effective. Table 1 lists the typical accidental pregnancy rates for users of combination oral contraceptives and other methods of contraception. The efficacy of these contraceptive methods, except sterilization, depends upon the reliability with which they are used. Correct and consistent use of methods can result in lower failure rates. TABLE 1 LOWEST EXPECTED AND TYPICAL FAILURE RATES DURING THE FIRST YEAR OF CONTINUOUS USE OF A...

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.