Insomnia Disorder

5
Pipeline Programs
3
Companies
4
Clinical Trials
1 recruiting
1
Approved Products

Pipeline by Development Stage

Preclinical
Phase 1
Phase 1/2
Phase 2
Phase 2/3
Phase 3
On Market
0
1
0
0
0
3
1
Early DiscoveryClinical DevelopmentMarket

On Market (1)

Approved therapies currently available

E
DAYVIGOApproved
lemborexant
Eisai
Orexin Receptor Antagonist [EPC]oral2019

Competitive Landscape

3 companies ranked by most advanced pipeline stage

E
EisaiChina - Liaoning
2 programs
1
1
1
lemborexantPhase 31 trial
Lemborexant 5 mgPhase 11 trial
Active Trials
NCT02350309Completed69Est. Apr 2015
NCT02952820Completed971Est. Jan 2019
Nxera Pharma
Nxera PharmaJapan - Tokyo
1 program
1
DaridorexantPhase 31 trial
Active Trials
NCT07028697CompletedEst. Oct 2025
VP
Vanda PharmaceuticalsWASHINGTON, DC
1 program
1
Tasimelteon Oral SuspensionPhase 31 trial
Active Trials
NCT06953869Recruiting420Est. Jan 2028

Trial Timeline

Clinical trial activity over time

2021
2022
2023
2024
2025
2026
2027
2028
Vanda PharmaceuticalsTasimelteon Oral Suspension
Nxera PharmaDaridorexant
Eisailemborexant
EisaiLemborexant 5 mg

Clinical Trials (4)

Total enrollment: 1,460 patients across 4 trials

NCT06953869Vanda PharmaceuticalsTasimelteon Oral Suspension

Evaluating the Effects of Tasimelteon vs. Placebo in Treating Pediatric Insomnia

Start: Apr 2025Est. completion: Jan 2028420 patients
Phase 3Recruiting

A Study to Evaluate the Efficacy and Safety of Daridorexant in Participants With Insomnia Disorder

Start: Dec 2024Est. completion: Oct 2025
Phase 3Completed
NCT02952820Eisailemborexant

Long-term Study of Lemborexant in Insomnia Disorder (SUNRISE 2)

Start: Nov 2016Est. completion: Jan 2019971 patients
Phase 3Completed
NCT02350309EisaiLemborexant 5 mg

Study to Evaluate the Effect of 2 Dosage Strengths of Lemborexant (E2006) on a Multiple Sleep Latency Test in Participants With Insomnia Disorder

Start: Dec 2014Est. completion: Apr 201569 patients
Phase 1Completed

Phase Legend

PreclinicalLab & animal studies
Phase 1Safety & dosing
Phase 2Efficacy testing
Phase 3Large-scale trials
On MarketApproved & available

Key Insights

3 late-stage (Phase 3) programs — potential near-term approvals
1 actively recruiting trials targeting 1,460 patients
3 companies competing in this space