Prologue Research International

Closed portfolio with an early-phase archive tilt

According to ClinicalTrials.gov-derived indexes, Prologue Research International sits in the upper quartile of US sponsors by registered trial count (#3,661 of 15,742 sponsors by registered trial count).

3 total trials none currently recruiting 3 completed early-phase tilt upper quartile by trial count

Prologue Research International: 3 sponsored US clinical trials, none currently recruiting.

Prologue Research International sponsors 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 3 completed. 1 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 Colorectal Cancer, with 1 trials.

Upper-quartile sponsor footprint

Prologue Research International sits in the upper quartile of the sponsor corpus (#3,661 of 15,742 sponsors by registered trial count) - denser than most sponsors, still short of the top-decile hubs.

How the Prologue Research International early-phase archive is shaped

3 indexed studies, none listed as recruiting (0% open); 3 completed (100%).

Phase mix: 1 late (III/IV) vs 2 early (I/II) (early-phase heavy).

Top condition: Colorectal Cancer (1 trial), 0 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.

Prologue Research International: archived-pipeline peers nationwide

Peers matched on 3 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Prologue Research International 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 051015 0%0.0%0.0%0.1% Total trials Recruiting share Prologue Research International10xBio22nd Century GroupAA SecordAAADRS Clinical Research Center23andMe3-C Institute for Social Development3 Waves Wellness3EO Health
Prologue Research International 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).

Prologue Research International 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 3 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Prologue Research International page

3 registered trials is a research-attention snapshot, not an endorsement of Prologue Research International or any single study.

  • None of Prologue Research International's trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
  • Colorectal Cancer is the condition Prologue Research International studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Colorectal Cancer 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. Prologue Research International pipeline card: 3 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.