TheraRadar
Data updated: May 26, 2026

LUNESTA (eszopiclone)

Trial Activity: Declining 2 active trials
Sleep Approved 2004-12-15

LUNESTA is indicated for the treatment of Insomnia.

Source: FDA Label • WAYLIS THERAP

How LUNESTA Works

The exact mechanism of action for eszopiclone as a hypnotic is unclear; however, its effect is believed to be related to its interaction with GABA-receptor complexes. It targets binding domains located close to or allosterically coupled to benzodiazepine receptors, which is thought to mediate its sedative effects.

Development Insights

Sumitomo Pharma America, Inc. conducting 6 trials (33%)
18 indications explored (Broad Platform)
insomnia (7 trials)
obstructive sleep apnea (4 trials)
attention deficit hyperactivity disorder (4 trials)
2
Indications
--
Phase 3 Trials
1
Priority Reviews
21
Years on Market

Details

Status
Prescription
First Approved
2004-12-15
Routes
ORAL
Dosage Forms
TABLET

Companies

Active Ingredient: ESZOPICLONE

LUNESTA Approval History

2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
60 FDA actions from 2004 to 2019 · 1 indication expansions
Aug 2019 SUPPL
Label · Labeling
Feb 2019 SUPPL
Label · Labeling
Nov 2018 SUPPL
Label · Labeling

What LUNESTA Treats

1 indications

LUNESTA is approved for 1 conditions since its original approval in 2004. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Insomnia
Source: FDA Label

LUNESTA Boxed Warning

COMPLEX SLEEP BEHAVIORS Complex sleep behaviors including sleep-walking, sleep-driving, and engaging in other activities while not fully awake may occur following use of LUNESTA. Some of these events may result in serious injuries, including death. Discontinue LUNESTA immediately if a patient experiences a complex sleep behavior [see Contraindications ( 4 ) and Warnings and Precautions ( 5.1 )]. WARNING: COMPLEX SLEEP BEHAVIORS See full prescribing information for complete boxed warning . Comple...

LUNESTA Competitive Set

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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.

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Clinical Trial Registry

15 trials
Trial Sponsor ID Phase Status Title
NCT07332442 CALM-OSA 2000040345 1R01HL179077-01 Ph 3 recruiting Continuous Positive Airway Pressure, Arousability and Links to Mechanisms in Obstructive Sleep Apnea
NCT03668041 NAP 2016 Ph 3 completed National Adaptive Trial for PTSD Related Insomnia
NCT03937713 PRECEPT-D results posted NURB-008-18F Ph 4 completed Effectiveness of Combining Behavioral and Pharmacologic Therapy for Complex Insomnia in Veterans With PTSD
NCT04875364 ExPRESSION 201432 Ph 2 recruiting Do Endotypes Predict Response and Sequelae in OSA Patients
NCT04639193 RESCUE-Combo results posted 191990 Ph 2 completed Combination Drug-Therapy for Patients With Untreated Obstructive Sleep Apnea
NCT02456532 CIS2 results posted #9384 Ph 4 completed Safety and Efficacy of Chronic Hypnotic Use 2
NCT01605253 results posted 1R34MH091338-01A1 1R34MH091338-01A1 Ph 4 completed Eszopiclone for the Treatment of Posttraumatic Stress Disorder
NCT01887691 2012P000187 Ph 1 terminated Sleep Effectiveness and Insulin and Glucose Homeostasis
NCT00857220 results posted 190-247 Ph 3 completed Long Term Safety Study of Study Drug (Eszopiclone) in Children and Adolescents With ADHD -Associated Insomnia
NCT00616655 results posted 194-027 Ph 2 completed Generalized Anxiety Disorder Proof of Concept Efficacy and Safety Study of SEP-225441 (Eszopiclone) In GAD Subjects
NCT00724282 results posted 15632 ESRC-124 Ph 4 completed Treatment of Insomnia and Glucose Metabolism
NCT01100164 Eszo EF097 Ph 3 completed A Non-inferiority Study With Two Treatment Arms Eszopiclone 3 mg Versus Zopiclone 7.5 mg - for the Treatment of Insomnia
NCT00893269 NA_00017909 R21DA025794 Ph 1 completed The Effect of Marijuana and Prescription Medications in Mood, Performance and Sleep
NCT00856973 results posted 190-246 Ph 3 completed Safety & Efficacy Study of Study Drug (Eszopiclone) in Children and Adolescents With Attention-deficit/Hyperactivity Disorder - Associated Insomnia
NCT00612157 CPAPASAP WRAMC07-17022 Ph 4 completed Continuous Positive Airway Pressure (CPAP) Promotion And Prognosis - the Army Sleep Apnea Program (ASAP)
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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.

LUNESTA FDA Label Details

Indications & Usage

FDA Label (PDF)

LUNESTA is indicated for the treatment of Insomnia.

⚠️ BOXED WARNING

WARNING: COMPLEX SLEEP BEHAVIORS Complex sleep behaviors including sleep-walking, sleep-driving, and engaging in other activities while not fully awake may occur following use of LUNESTA. Some of these events may result in serious injuries, including death. Discontinue LUNESTA immediately if a patie...

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Data Sources

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

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment