TheraRadar
Data updated: May 26, 2026

ENILLORING (ethinyl estradiol)

Estrogen Receptor Agonists
Women's Health Approved 2023-06-29

ENILLORING is indicated for the treatment of Pregnancy.

Source: FDA Label • XIROMED
1
Indication
--
Phase 3 Trials
2
Years on Market

Details

Status
Prescription
First Approved
2023-06-29
Routes
VAGINAL
Dosage Forms
RING

Companies

Active Ingredient: ETHINYL ESTRADIOL , ETONOGESTREL

ENILLORING Approval History

2024
2025
2026
Original
New Indication
New Form
Label Update
1 FDA actions from 2023 to 2023
Jun 2023 ORIGINAL
Update

What ENILLORING Treats

1 indications

ENILLORING is approved for 1 conditions since its original approval in 2023. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Pregnancy
Source: FDA Label

ENILLORING Boxed Warning

CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use. This risk increases with age, particularly in women over 35 years of age, and with the number of cigarettes smoked. For this reason, CHCs, including EnilloRing , should not be used by women who are over 35 years of age and smoke. [ see Contraindications ( 4 )] WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS See f...

ENILLORING Competitive Set

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Three rings of competition based on shared molecular targets and treated indications.

Indication competitors

3

Same indication, different mechanism — what else might this patient receive?

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

Drugs Similar to ENILLORING

3 of 6

FDA-approved drugs for similar conditions. Compare mechanisms and indications to understand treatment alternatives.

BALCOLTRA
ETHINYL ESTRADIOL
1 shared
AVION PHARMS
Shared indications:
Pregnancy
DOLISHALE
ETHINYL ESTRADIOL
1 shared
NOVAST LABS
Shared indications:
Pregnancy
FINZALA
ETHINYL ESTRADIOL
1 shared
Teva
Shared indications:
Pregnancy
📋

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
🔬

Active Pipeline

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Key Completed Trials

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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.

ENILLORING FDA Label Details

Indications & Usage

ENILLORING is indicated for the treatment of Pregnancy.

⚠️ BOXED WARNING

WARNING: CIGARETTE SMOKING AND SERIOUS CARDIOVASCULAR EVENTS Cigarette smoking increases the risk of serious cardiovascular events from combination hormonal contraceptive (CHC) use. This risk increases with age, particularly in women over 35 years of age, and with the number of cigarettes smoked. Fo...

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Data Sources

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