Pfizer's Upjohn has merged with Mylan to form Viatris

Closed portfolio with a later-stage archive tilt

According to ClinicalTrials.gov-derived indexes, Pfizer's Upjohn has merged with Mylan to form Viatris sits in the top decile of US sponsors by registered trial count (#186 of 15,742 sponsors by registered trial count).

158 total trials none currently recruiting 138 completed later-stage tilt top decile by trial count

Pfizer's Upjohn has merged with Mylan to form Viatris: 158 sponsored US clinical trials, none currently recruiting.

Pfizer's Upjohn has merged with Mylan to form Viatris sponsors 158 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 138 completed. 128 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 Healthy, with 3 trials.

Top-decile sponsor footprint

Pfizer's Upjohn has merged with Mylan to form Viatris ranks in the top decile of sponsors by registered trial count (#186 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 58/100

138 of 158 decided trials (Completed vs. Terminated on ClinicalTrials.gov) reached their planned completion (87.3%), 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)

158 total, page 2 of 4

COMPLETED Phase 3

A Phase 3 Prospective, Randomized, Double-Masked, 12-Week, Parallel Group Study In Pediatric Subjects With Glaucoma.

NCT00716859

COMPLETED Phase 4

Bioequivalence Study Comparing A New 80 Mg Atorvastatin Tablet To A 80 Mg Atorvastatin Commercial Tablet

NCT00917644

COMPLETED Phase 1

A Phase 1, Open-Label Study of Latanoprost Acid Plasma Concentrations in Pediatric and Adult Glaucoma Patients Treated With Latanoprost.

NCT00638742

TERMINATED Phase 4

To Assess The Efficacy and Safety Of Oral Sildenafil in the Treatment of Pulmonary Arterial Hypertension.

NCT00430716

COMPLETED Phase 3

Extension Study Of Long-Term Safety And Efficacy Of Pregabalin As Monotherapy (Lyrica) In Patients With Partial Seizures

NCT00596466

COMPLETED Phase 2

Lyrica Dose Response Study With Restless Legs Syndrome (RLS) Patients

NCT00676403

COMPLETED Phase 4

Evaluation Of Sperm Production With Healthy Male Volunteers Receiving Lyrica Or Placebo

NCT00631696

COMPLETED Phase 4

Bioavailability Study for New Atorvastatin Formulation

NCT00844376

COMPLETED Phase 3

Celebrex In Acute Gouty Arthritis Study

NCT00549549

COMPLETED

Taste Test of a New Formulation of Sildenafil (Revatio)

NCT00768573

COMPLETED Phase 3

Surgical Pain After Inguinal Hernia Repair (SPAIHR)

NCT00551135

COMPLETED Phase 3

A Six Week Study Of The Pain Relieving Effects Of Celecoxib 200 Mg Twice Daily Compared To Tramadol 50 Mg Four Times Daily In Patients With Chronic Low Back Pain

NCT00662558

COMPLETED Phase 3

Adjunctive Ziprasidone in the Treatment of Bipolar I Depression

NCT00483548

TERMINATED Phase 3

Efficacy And Safety Study Of Pregabalin (Lyrica) As Monotherapy In Patients With Partial Seizures

NCT00524030

COMPLETED Phase 3

Study Of The Efficacy And Safety Of Pregabalin Compared To Placebo For Treatment Of Post-Surgical Pain From Hysterectomy

NCT00468845

COMPLETED Phase 3

Open-Label Extension Study Of Safety And Tolerability Of Pregabalin In Pediatric Patients With Partial-Onset Seizures

NCT00448916

COMPLETED Phase 3

Efficacy And Safety Of Pregabalin For Pain Following Total Knee Replacement

NCT00442546

COMPLETED Phase 1

Safety, Tolerability, and Pharmacokinetic Study of Pregabalin in Pediatric Patients With Partial Onset Seizures

NCT00437281

COMPLETED Phase 3

A 17-Week Trial To Assess Pregabalin For The Treatment Of Nerve Pain Due To Spinal Cord Injury

NCT00407745

COMPLETED Phase 4

A Multi-Risk Factor Strategy vs a Guideline-Based Approach in Achieving Blood Pressure and Lipid Goals in Hypertensives at Extra Risk

NCT00412113

TERMINATED Phase 3

Evaluation of Atorvastatin Treatment on Carotid Plaque.

NCT00343655

COMPLETED Phase 3

Testing The Effectiveness Of Celecoxib In Patients With Painful Sore Throat

NCT00402987

COMPLETED Phase 3

Pregabalin in the Treatment of Patients With Generalized Anxiety Disorder (GAD).

NCT00413010

COMPLETED Phase 4

Effects Of Detrol LA On Memory And Cognition In Elderly Population

NCT00411437

TERMINATED Phase 4

A Study To Evaluate Pregabalin In The Treatment Of Moderate To Severe Chronic Bone Pain Related To Metastatic Cancer

NCT00381095

COMPLETED Phase 4

Study Evaluating The Safety, Tolerability, And Efficacy Of Switching From Quetiapine To Ziprasidone

NCT00406315

TERMINATED Phase 4

Celebrex Total Knee Arthroplasty Study

NCT00359151

COMPLETED Phase 4

Prospective Randomized Evaluation Of Celecoxib Integrated Safety Vs Ibuprofen Or Naproxen

NCT00346216

COMPLETED Phase 4

GI-Reasons- A Trial Of GI Safety Of Celecoxib Compared With Non-Selective Nonsteroidal Antiinflammatory Drugs (NSAIDS)

NCT00373685

COMPLETED Phase 4

Assess the Efficacy and Safety of Sildenafil When Added to Bosentan in the Treatment of Pulmonary Arterial Hypertension

NCT00323297

TERMINATED Phase 3

Trial In Pediatric Patients With Familial Adenomatous Polyposis (FAP)

NCT00585312

COMPLETED Phase 3

A Trial to Assess Consumer Self-Selection and Use of Gabapentin for Occasional Sleeplessness in an Over-the-Counter Environment

NCT00659100

COMPLETED Phase 4

Vision Testing in Patients With Partial Seizures Receiving Either Lyrica or Placebo

NCT00351611

COMPLETED Phase 4

A Study Of The Safety and Efficacy Of Viagra In Men With Erectile Dysfunction Who Do Not Self Identify.

NCT00343200

COMPLETED Phase 4

Caduet in an Untreated Subject Population

NCT00332761

TERMINATED Phase 3

Safety And Tolerability Of Ziprasidone In Adolescents With Schizophrenia

NCT00265382

COMPLETED Phase 3

3-week Study to Evaluate Efficacy and Safety of Ziprasidone With Either Lithium or Divalproex in Acutely Manic Subjects

NCT00312494

TERMINATED Phase 3

Safety And Efficacy Of Ziprasidone In Adolescents With Schizophrenia

NCT00257192

COMPLETED Phase 3

A Polysomnographic Study Of Single-Dose Gabapentin In Transient Insomnia

NCT00674752

COMPLETED Phase 3

A Comparison Of Outcomes In Patients In New York Heart Association (NYHA) Class II Heart Failure When Treated With Eplerenone Or Placebo In Addition To Standard Heart Failure Medicines

NCT00232180

COMPLETED Phase 3

Safety and Tolerability of Ziprasidone in Children and Adolescents With Bipolar I Disorder (Manic or Mixed)

NCT00265330

COMPLETED Phase 4

Celebrex vs Tramadol in the Treatment of Chronic Lower Back Pain.

NCT00290901

COMPLETED Phase 3

Open Label Safety And Efficacy Study Of Pregabalin In Subjects With Nerve Pain Asociated With Human Immunodeficiency Virus (HIV) Neuropathy

NCT00264875

COMPLETED Phase 3

A Safety Study Of Pregabalin In Fibromyalgia

NCT00282997

COMPLETED Phase 3

A Six-week Flexible Dose Study Evaluating the Efficacy and Safety of Geodon in Patients With Bipolar I Depression.

NCT00282464

COMPLETED Phase 1

Study of Celecoxib Bioavailability in Healthy Subjects

NCT00296127

COMPLETED Phase 3

Safety and Efficacy of Ziprasidone in Children and Adolescents With Bipolar I Disorder (Manic or Mixed)

NCT00257166

COMPLETED Phase 4

Detrol LA In Men With Overactive Bladder.

NCT00282932

COMPLETED Phase 3

A 12-week, Randomized, Double-masked, Parallel Group Comparison of Evening Dosing With Xalacom in Subjects With Glaucoma

NCT00277498

COMPLETED Phase 3

Safety and Maintenance of Effect of Ziprasidone Plus a Mood Stabilizer in Bipolar I Disorder (Manic or Mixed)

NCT00280566

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How the Pfizer's Upjohn has merged with Mylan to form Viatris archive is shaped

158 indexed studies, none listed as recruiting (0% open); 138 completed (87%).

Phase mix: 128 late (III/IV) vs 24 early (I/II) (later-stage heavy).

Top condition: Healthy (3 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.

Pfizer's Upjohn has merged with Mylan to form Viatris: archived-pipeline peers nationwide

Peers matched on 158 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Pfizer's Upjohn has merged with Mylan to form Viatris 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 050100150200 0%5%10%15%20%25% Total trials Recruiting share Pfizer's Upjohn has merged with Mylan to form ViatrisGalderma R&DAnn & Robert H Lurie Children's Hospital of ChicagoUniversity of South CarolinaAlexion Pharmaceuticals10xBio22nd Century Group23andMe3-C Institute for Social Development
Pfizer's Upjohn has merged with Mylan to form Viatris 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).

Pfizer's Upjohn has merged with Mylan to form Viatris 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 158 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Pfizer's Upjohn has merged with Mylan to form Viatris page

158 registered trials is a research-attention snapshot, not an endorsement of Pfizer's Upjohn has merged with Mylan to form Viatris or any single study.

  • None of Pfizer's Upjohn has merged with Mylan to form Viatris's trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Healthy is the condition Pfizer's Upjohn has merged with Mylan to form Viatris studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Healthy 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.

Pfizer's Upjohn has merged with Mylan to form Viatris pipeline card: 158 registered trials from official public datasets.Report a data error.