Antonios Likourezos

Open enrollment with a later-stage pipeline tilt

According to ClinicalTrials.gov-derived indexes, Antonios Likourezos sits in the top decile of US sponsors by registered trial count (#500 of 15,742 sponsors by registered trial count).

33 total trials 4 currently recruiting 22 completed later-stage tilt top decile by trial count

Antonios Likourezos: 33 sponsored US clinical trials, 4 recruiting.

Antonios Likourezos sponsors 33 registered US clinical trials on ClinicalTrials.gov, 4 of them currently recruiting, and 22 completed. 18 of these trials are in Phase 3-4 (later-stage) and 2 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Pain, with 3 trials.

Top-decile sponsor footprint

Antonios Likourezos ranks in the top decile of sponsors by registered trial count (#500 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 36/100

22 of 28 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (78.6%), 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.

Open and recent trials

33 total, page 1 of 1

RECRUITING NA

Virtual Reality and Standard Care vs. Standard Care Alone for Acute MSK Pain in Geriatric ED Patients

NCT06685107

RECRUITING Phase 4

A Comparison of Nurtec ODT to Maxalt MLT-ODT in Adult ED Patients With Migraine Headache

NCT06473597

RECRUITING Phase 4

Nebulized Ketamine to Nebulized Fentanyl for Treating Acute Painful Conditions in the ED

NCT06364540

RECRUITING

Single Dose Amikacin for Uncomplicated Cystitis in the ED: A Feasibility Study

NCT05227937

ACTIVE NOT RECRUITING NA

PENG vs. FIC Block for Hip Fracture ED Patients

NCT05102760

TERMINATED Phase 4

The Effect of Pretreatment With Intravenous Lidocaine for Intravenous Contrast:

NCT05143489

TERMINATED Phase 4

Vital Capacity in Ultrasound Guided Serratus Plane Block in ED Patients With Multiple Rib Fractures

NCT04530149

COMPLETED Phase 4

Comparison of Nebulized Ketamine to Intravenous Sub-Dissociative Dose Ketamine for Pain

NCT04947085

COMPLETED Phase 4

A Comparison of Proprietary Formulations of Oral Ketamine + Aspirin and Oral Ketamine Alone for Musculoskeletal Pain

NCT04860804

COMPLETED Phase 4

An Efficacy and Safety of Proprietary Formulations of Oral Ketamine + Aspirin in Treatment of Acute Headache

NCT04860713

COMPLETED

Analgesic Efficacy of Orally Administered VTS-K for Pain Management

NCT04702555

COMPLETED

Measuring Intraabdominal Pressure, Lactic Acid, and Urine Output

NCT05070572

COMPLETED Phase 4

Nebulized Sub-dissociative Dose Ketamine at Three Different Dosing Regimens for Treating Acute Pain in the Pediatric ED

NCT03950817

COMPLETED Phase 4

Nebulized Sub-dissociative Dose Ketamine for Treating Pain

NCT03909607

COMPLETED

Efficacy of Mindfulness as an Intervention in the Pediatric Emergency Department

NCT03690531

COMPLETED Phase 4

Adult Oral Ibuprofen Study for ED Pain Patients

NCT03441269

COMPLETED Phase 2

IBUPAP Study for Pain Management in Children

NCT03088800

COMPLETED Phase 2

Analgesic Efficacy of (MSIR)/Acetaminophen vs. Oxycodone/Acetaminophen (Percocet)

NCT03088826

COMPLETED Phase 4

Combined Vaginal Misoprostol and Perivascular Vasopressin

NCT03815344

COMPLETED Phase 4

Geriatric Ketamine for Pain Management Study

NCT02673372

TERMINATED Phase 4

Pediatric Ketamine Study for Pain Management

NCT02388321

COMPLETED NA

Ketamine: Comparison of IV Push vs. IV Drip

NCT02363270

TERMINATED NA

A Trial of a New Magnetic Breast Marking Clip

NCT02378558

COMPLETED

Thoracic Ultrasonography for Pulmonary Edema in Patients With Pre-Eclampsia

NCT02357264

COMPLETED Phase 4

A Prospective Randomized Double-Blind Trial Comparing 3 Doses of Intravenous Ketorolac for Pain Management

NCT02078492

COMPLETED Phase 4

Low Dose Ketamine Versus Morphine for Moderate to Severe Pain in the Emergency Department

NCT01835262

TERMINATED NA

Landmark vs. Ultrasound Guided SCVC in the ED

NCT01914705

TERMINATED Phase 4

Omega-3 Fatty Acids as an Adjunctive Therapy for Stimulants in Children With ADHD

NCT01778647

COMPLETED Phase 4

Comparison of Diltiazem and Metoprolol in the Management of Acute Atrial Fibrillation or Atrial Flutter

NCT01914926

COMPLETED Phase 4

Ultrasound Guided Pain Control Versus Standard Treatment in Emergency Department HIP Fracture Patients

NCT01904071

COMPLETED

Accuracy of Whole-Blood Testing for Rapid Detection of Pregnancy

NCT00373139

COMPLETED

Ultrasound of the Inferior Vena Cava (IVC) and Dehydration Status in Pediatric Emergency Patients

NCT00267644

COMPLETED

Impact of Body Weight on the Immediate Health of the Pediatric Population

NCT00267631

Phase Distribution

PhaseTrial count
Phase 2 2
Phase 4 18

Where Antonios Likourezos enrollment is open (later-stage tilt)

4 recruiting of 33 indexed (12% open); 22 completed (67%).

Phase mix: 18 late (III/IV) vs 2 early (I/II) (later-stage heavy).

Top condition: Pain (3 trials), 6 others listed.

How open-pipeline share is computed

Recruiting share is recruiting_count divided by trial_count for this sponsor in the public registry export. Status can change between pulls; treat the figure as a research-attention snapshot, not product availability.

Antonios Likourezos: open-pipeline peers nationwide

Peers matched on 33 registered trials and 12% open enrollment, not the therapeutic-area sidebar.

Antonios Likourezos 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 20406080100 0%5%10%15%20% Total trials Recruiting share Antonios LikourezosAclaris TherapeuticsBaylor UniversityBecton, Dickinson and CompanyCentocorOregon State UniversityUniversity of Massachusetts, AmherstUniversity of Missouri, Kansas CityNational Institute of Dental and Craniofacial Research (NIDCR)
Antonios Likourezos 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).

Antonios Likourezos 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 33 trials (± recruiting share)

Sponsors near 12% open enrollment (± trial volume)

What to do with this Antonios Likourezos page

33 registered trials is a research-attention snapshot, not an endorsement of Antonios Likourezos or any single study.

  • 4 of Antonios Likourezos's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Pain is the condition Antonios Likourezos studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Pain 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.

Antonios Likourezos pipeline card: 33 registered trials from official public datasets.Report a data error.