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.

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.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. Pfizer's Upjohn has merged with Mylan to form Viatris pipeline card: 158 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.