BioMarin Pharmaceutical

Open enrollment across a mixed-phase pipeline

According to ClinicalTrials.gov-derived indexes, BioMarin Pharmaceutical sits in the top decile of US sponsors by registered trial count (#280 of 15,742 sponsors by registered trial count).

80 total trials 13 currently recruiting 49 completed top decile by trial count

BioMarin Pharmaceutical: 80 sponsored US clinical trials, 13 recruiting.

BioMarin Pharmaceutical sponsors 80 registered US clinical trials on ClinicalTrials.gov, 13 of them currently recruiting, and 49 completed. 25 of these trials are in Phase 3-4 (later-stage) and 36 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Phenylketonuria (PKU), with 6 trials.

Top-decile sponsor footprint

BioMarin Pharmaceutical ranks in the top decile of sponsors by registered trial count (#280 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

D 51/100

49 of 58 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (84.5%), 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

80 total, page 2 of 2

TERMINATED Phase 2

Extension Study for Patients Who Have Participated in a BMN 701 Study

NCT01435772

COMPLETED Phase 3

Long-Term Efficacy and Safety Extension Study of BMN 110 in Patients With Mucopolysaccharidosis IVA (Morquio A Syndrome)

NCT01415427

COMPLETED

Observational Study of Patients With Mucopolysaccharidosis (MPS) VI Who Previously Participated in ASB-00-02

NCT01387854

COMPLETED Phase 2

Safety, Tolerability, and Efficacy Study of rAvPAL-PEG Administered Daily in Subjects With Phenylketonuria (PKU)

NCT01212744

COMPLETED Phase 3

A Double-Blind Study to Evaluate the Efficacy and Safety of BMN 110 in Patients With Mucopolysaccharidosis IVA (Morquio A Syndrome)

NCT01275066

COMPLETED Phase 1

Safety/Tolerability/Pharmacokinetic (PK)/Pharmacodynamics (PD) Study of BMN701 in Patients With Late-Onset Pompe Disease

NCT01230801

COMPLETED Phase 3

Safety and Therapeutic Effects of Sapropterin Dihydrochloride on Neuropsychiatric Symptoms in Phenylketonuria (PKU) Patients

NCT01114737

COMPLETED Phase 2

Long-Term Extension of Previous rAvPAL-PEG Protocols in Subjects With PKU (PAL-003)

NCT00924703

COMPLETED Phase 2

Dose-Finding Study to Evaluate the Safety, Efficacy, & Tolerability of Multiple Doses of rAvPAL-PEG in Subjects With PKU

NCT00925054

COMPLETED Phase 3

Effect of Kuvan on Neurocognitive Function, Blood Phenylalanine Level, Safety, and Pharmacokinetics in Children With PKU

NCT00838435

COMPLETED Phase 1

A Phase 1 Study to Evaluate Effects of Sapropterin Dihydrochloride on QTc Intervals in Healthy Adult Subjects

NCT00789568

TERMINATED

A Clinical Assessment Study of Subjects With Mucopolysaccharidosis IVA (Morquio Syndrome)

NCT00787995

COMPLETED

PKUDOS: Phenylketonuria (PKU) Demographic, Outcomes, and Safety Registry

NCT00778206

COMPLETED Phase 1

Safety and Tolerability Study of rAvPAL-PEG to Treat Phenylketonuria

NCT00634660

COMPLETED Phase 2

A Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial Dysfunction

NCT00532844

COMPLETED Phase 2

A Phase 2 Study of the Effects of 6R-BH4 in Subjects With Sickle Cell Disease

NCT00445978

COMPLETED Phase 2

A Phase 2 Study of the Effects of Sapropterin Dihydrochloride on Symptomatic Peripheral Arterial Disease

NCT00403494

COMPLETED Phase 2

Safety and Efficacy Study of Phenoptin in Subjects With Hyperphenylalaninemia Due to BH4 Deficiency

NCT00355264

COMPLETED Phase 3

Study of Phenoptin in Subjects With Phenylketonuria Who Participated in Protocols PKU-004 or PKU-006

NCT00332189

COMPLETED Phase 4

A Phase 4 Two Dose Level Study of Naglazyme(TM) (Galsulfase) in Infants With MPS VI

NCT00299000

COMPLETED Phase 2

A Study of the Effects of 6R-BH4 on Blood Pressure in Subjects With Poorly Controlled Systemic Hypertension

NCT00325962

COMPLETED Phase 3

Study of Phenoptin to Increase Phenylalanine Tolerance in Phenylketonuric Children on a Phenylalanine-restricted Diet

NCT00272792

COMPLETED Phase 3

A Phase 3, Multicenter, Open-Label Extension Study of Phenoptin in Subjects With PKU Who Have Elevated Phenylalanine Levels

NCT00225615

COMPLETED

Mucopolysaccharidosis (MPS) VI Clinical Surveillance Program (CSP)

NCT00214773

COMPLETED Phase 3

Study to Evaluate the Safety and Efficacy of Phenoptin™ in Subjects With Phenylketonuria Who Have Elevated Phenylalanine Levels

NCT00104247

COMPLETED Phase 2

Study to Evaluate the Response to and Safety of an 8-Day Course of Phenoptin™ Treatment in Subjects With Phenylketonuria

NCT00104260

COMPLETED Phase 3

Study of rhASB in Patients With Mucopolysaccharidosis VI

NCT00104234

COMPLETED Phase 3

Study of Recombinant Human N-acetylgalactosamine 4-sulfatase (rhASB) in Patients With MPS VI

NCT00067470

COMPLETED Phase 2

Open-Label Study of Efficacy and Safety of Recombinant Human N-acetylgalactosamine 4-sulfatase in Patients With MPS VI

NCT00048711

COMPLETED Phase 1

Study of Recombinant Human N-Acetylgalactosamine 4-Sulfatase in Patients With MPS VI

NCT00048620

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What is open in the BioMarin Pharmaceutical pipeline

13 recruiting of 80 indexed (16% open); 49 completed (61%).

Phase mix: 25 late (III/IV) vs 36 early (I/II) (balanced across stages).

Top condition: Phenylketonuria (PKU) (6 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.

BioMarin Pharmaceutical: open-pipeline peers nationwide

Peers matched on 80 registered trials and 16% open enrollment, not the therapeutic-area sidebar.

BioMarin Pharmaceutical sits below 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 050100150200 0%5%10%15%20% Total trials Recruiting share BioMarin PharmaceuticalChildren's Healthcare of AtlantaEMD Serono Research & Development InstituteThe University of Tennessee, KnoxvilleTriHealthAtlantic Health SystemNational Human Genome Research Institute (NHGRI)Drexel UniversityCase Western Reserve University
BioMarin Pharmaceutical sits below 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).

BioMarin Pharmaceutical sits below 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 80 trials (± recruiting share)

Sponsors near 16% open enrollment (± trial volume)

What to do with this BioMarin Pharmaceutical page

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

  • 13 of BioMarin Pharmaceutical's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Phenylketonuria (PKU) is the condition BioMarin Pharmaceutical studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Phenylketonuria (PKU) 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.

BioMarin Pharmaceutical pipeline card: 80 registered trials from official public datasets.Report a data error.