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ClinicalTrials.gov 4 recruiting now early-phase tilt small index

Narcolepsy Type 1: early-phase trial registry

4 of 7 indexed Narcolepsy Type 1 trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #2,497 of 28,707 conditions by registered trial count.

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7 US clinical trials · 4 currently recruiting · #2,497 of 28,707 conditions by registered trial count

Narcolepsy Type 1: 7 US clinical trials tracked, 4 recruiting.

Narcolepsy Type 1 is the subject of 7 registered US clinical trials on ClinicalTrials.gov, 4 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 6 in Phase 1-2 (earlier-stage). The most active sponsor is Alkermes, running 2 of these trials.

Enrollment posture brief

Registry condition narcolepsy-type-1

OPEN 4 | RECR 57% | LATE 0 | EARLY 6 | RANK #2497 | SPON 2

Volume-matched condition peers

Nearest open-share peer: Adverse Childhood Experiences (57% recruiting · 14 trials)

ACL Tear71.4%ACL57.1%Narcolepsy Type 1 (this)57%Acute Myelogenous Leukemia42.9%Acne Scars28.6%
Open-enrollment share among volume-matched conditions near Narcolepsy Type 1

Narcolepsy Type 1 lists 4 open slots (57% of 7 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Narcolepsy Type 1 on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Narcolepsy Type 1 is recruiting above its size-band peers.

    4 of 7 indexed trials (57.1%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Narcolepsy Type 1 research.

    Alkermes accounts for 2 of 7 trials (28.6%). 4 distinct sponsors appear on at least one study for this condition label.

  3. Typical Narcolepsy Type 1 enrolment sits around 96 participants.

    Median target enrolment is 96 among the 7 trials that report a genuine target (sentinel values excluded). 4 of those (57.1%) plan for fewer than 100 participants.

  4. Narcolepsy Type 1 research is mostly interventional.

    7 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 26

Phase Distribution

PhaseTrial count
Phase 2 6

Top Sponsors

Alkermes 2 trials
Centessa Pharmaceuticals (UK) Limited 2 trials
Takeda 2 trials
Northwestern University 1 trials

Named interventions

Most-linked intervention names on Narcolepsy Type 1 records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
3 trials
ORX750 Drug
2 trials
TAK-861 Drug
2 trials
Targeted dream control Behavioral
1 trials
Imagery rehearsal therapy Behavioral
1 trials
ALKS 2680, 14mg Drug
1 trials
ALKS 2680, 10mg Drug
1 trials
ALKS 2680, 8mg Drug
1 trials

US sites by state

Facility locations filed on Narcolepsy Type 1 trials. A trial with sites in several states counts in each.

North Carolina 6 trials
Michigan 6 trials
Georgia 6 trials
Florida 6 trials
California 6 trials
Ohio 4 trials
Colorado 4 trials
Alabama 4 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

Related

Read our methodology - how this data is sourced, computed, and verified.

What to do with this Narcolepsy Type 1 page

7 registered trials, 4 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 4 Narcolepsy Type 1 trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Alkermes sponsors the most Narcolepsy Type 1 trials on record, review their full trial history before evaluating a specific study. See Alkermes's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Narcolepsy Type 1 condition card totals 7 registered trials; most-linked intervention Placebo; top US site state North Carolina. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.