Ultragenyx Pharmaceutical

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, Ultragenyx Pharmaceutical sits in the top decile of US sponsors by registered trial count (#363 of 15,742 sponsors by registered trial count).

52 total trials 4 currently recruiting 25 completed early-phase tilt top decile by trial count

Ultragenyx Pharmaceutical: 52 sponsored US clinical trials, 4 recruiting.

Ultragenyx Pharmaceutical sponsors 52 registered US clinical trials on ClinicalTrials.gov, 4 of them currently recruiting, and 25 completed. 9 of these trials are in Phase 3-4 (later-stage) and 24 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Long-chain Fatty Acid Oxidation Disorders (LC-FAOD), with 3 trials.

Top-decile sponsor footprint

Ultragenyx Pharmaceutical ranks in the top decile of sponsors by registered trial count (#363 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 3/100

25 of 38 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (65.8%), 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.

What is open in the Ultragenyx Pharmaceutical pipeline

4 recruiting of 52 indexed (8% open); 25 completed (48%).

Phase mix: 9 late (III/IV) vs 24 early (I/II) (early-phase heavy).

Top condition: Long-chain Fatty Acid Oxidation Disorders (LC-FAOD) (3 trials), 9 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.

Ultragenyx Pharmaceutical: open-pipeline peers nationwide

Peers matched on 52 registered trials and 8% open enrollment, not the therapeutic-area sidebar.

Ultragenyx Pharmaceutical 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 102030405060 0%5%10%15% Total trials Recruiting share Ultragenyx PharmaceuticalAlbany Medical CollegeBurzynski Research InstituteDr. Reddy's Laboratories LimitedPTC TherapeuticsAlumisAndrei IagaruBioXcel TherapeuticsCorporal Michael J. Crescenz VA Medical Center
Ultragenyx Pharmaceutical 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).

Ultragenyx Pharmaceutical 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 52 trials (± recruiting share)

Sponsors near 8% open enrollment (± trial volume)

What to do with this Ultragenyx Pharmaceutical page

52 registered trials is a research-attention snapshot, not an endorsement of Ultragenyx Pharmaceutical or any single study.

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. Ultragenyx Pharmaceutical pipeline card: 52 registered trials from official public datasets. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.