Cephalon

Closed portfolio with a later-stage archive tilt

According to ClinicalTrials.gov-derived indexes, Cephalon sits in the top decile of US sponsors by registered trial count (#323 of 15,742 sponsors by registered trial count).

64 total trials none currently recruiting 52 completed later-stage tilt top decile by trial count

Cephalon: 64 sponsored US clinical trials, none currently recruiting.

Cephalon sponsors 64 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 52 completed. 38 of these trials are in Phase 3-4 (later-stage) and 25 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Narcolepsy, with 2 trials.

Top-decile sponsor footprint

Cephalon ranks in the top decile of sponsors by registered trial count (#323 of 15,742 sponsors by registered trial count). Volume at this scale usually reflects a long institutional pipeline, read phase tilt and therapeutic areas below before treating it as current-year activity.

Trial completion reliability score

F 43/100

52 of 64 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (81.3%), vs. national p10 68.4% / p90 100% among 1,234 sponsors with at least 10 decided trials. Still-open trials (Recruiting, Active-not-recruiting, Not-yet-recruiting) are excluded since they have not reached an outcome yet.

Indexed trials (enrollment closed)

64 total, page 2 of 2

COMPLETED Phase 3

Study of PROVIGIL ® (Modafinil) Treatment in Children and Adolescents With Excessive Sleepiness Associated With Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00107809

COMPLETED Phase 3

A 10-Week Efficacy and Safety Study for of Gabitril in the Treatment of Adults With Generalized Anxiety Disorder

NCT00236054

COMPLETED Phase 3

Extension Study of the Safety and Efficacy of Armodafinil in the Treatment of Patients With Excessive Sleepiness

NCT00228553

COMPLETED Phase 2

Efficacy/Safety Study of ACTIQ® for Opioid-Tolerant Children and Adolescents With Breakthrough Pain (BTP)

NCT00236041

COMPLETED Phase 2

SDX-105 in Combination With Rituxan for Patients With Relapsed Indolent or Mantle Cell Non-Hodgkin's Lymphoma (NHL)

NCT00076349

COMPLETED Phase 3

OraVescent Fentanyl (OVF) for the Treatment of Breakthrough Pain in Opioid Tolerant Cancer Patients

NCT00105937

COMPLETED Phase 2

Study of CEP-701 in Treatment of Prostate Cancer

NCT00081601

COMPLETED Phase 3

Armodafinil (CEP-10953) for Treatment of Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, or Chronic Shift Work Sleep Disorder

NCT00078312

COMPLETED Phase 2

Study of CEP-701 (Lestaurtinib) in Patients With Acute Myeloid Leukemia (AML)

NCT00079482

COMPLETED Phase 2

Safety and Activity of SDX-105 (Bendamustine) in Patients With Rituximab Refractory Non-Hodgkin's Lymphoma

NCT00069758

COMPLETED Phase 3

Evaluate the Safety and Efficacy of Modafinil in Children and Adolescents With ADHD

NCT00214981

COMPLETED Phase 3

Evaluate the Safety of GABITRIL in Adults With Generalized Anxiety Disorder

NCT00233675

TERMINATED Phase 2

Safety and Efficacy Study of CEP-1347 in the Treatment of Parkinson's Disease

NCT00040404

TERMINATED Phase 2

Safety and Efficacy of SDX-101 (R-Etodolac) in Patients With Relapsed or Refractory Multiple Myeloma (MM)

NCT00293111

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How the Cephalon archive is shaped

64 indexed studies, none listed as recruiting (0% open); 52 completed (81%).

Phase mix: 38 late (III/IV) vs 25 early (I/II) (later-stage heavy).

Top condition: Narcolepsy (2 trials), 9 others listed.

How to read a closed sponsor archive

When recruiting_count is zero, the indexed set is completed or otherwise not open. Phase tilt still describes where archived studies sat on the investigational pathway. Re-check ClinicalTrials.gov before acting.

Cephalon: archived-pipeline peers nationwide

Peers matched on 64 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Cephalon sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot). 2×2 strategic matrix plotting 9 entities by Total trials (X) and Recruiting share (Y), with a crosshair dividing the plot into four quadrants. Higher volume & more openFocused & more openHigher volume, mostly closedSmaller & mostly closed 020406080 0%10%20%30%40%50% Total trials Recruiting share CephalonCooperVisionNRG OncologyUniversity of HoustonWashington State University10xBio22nd Century Group23andMe3-C Institute for Social Development
Cephalon sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together. Source: ClinicalTrials.gov (2026-08-08 snapshot).

Cephalon sits at or above the median trial volume and at or above the median recruiting share among these 9 nationwide peers -- the two do not always move together.

Sponsors near 64 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Cephalon page

64 registered trials is a research-attention snapshot, not an endorsement of Cephalon or any single study.

  • None of Cephalon's trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Narcolepsy is the condition Cephalon studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Narcolepsy 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.

Cephalon pipeline card: 64 registered trials from official public datasets.Report a data error.