IO Biotech

Open enrollment with an early-phase pipeline tilt

According to ClinicalTrials.gov-derived indexes, IO Biotech 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 1 currently recruiting early-phase tilt upper quartile by trial count

IO Biotech: 3 sponsored US clinical trials, 1 recruiting.

IO Biotech sponsors 3 registered US clinical trials on ClinicalTrials.gov, 1 of them currently recruiting. 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 Lung Cancer, Non-Small Cell, with 1 trials.

Upper-quartile sponsor footprint

IO Biotech 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.

What is open in the IO Biotech pipeline

1 recruiting of 3 indexed (33% open).

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

Top condition: Lung Cancer, Non-Small Cell (1 trial), 6 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.

IO Biotech: open-pipeline peers nationwide

Peers matched on 3 registered trials and 33% open enrollment, not the therapeutic-area sidebar.

IO Biotech 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 246810 0%10%20%30%40% Total trials Recruiting share IO Biotech10xBio22nd Century GroupAA SecordAAADRS Clinical Research CenterAadi BioscienceAaron CookAbivax S.A.Actuated Medical
IO Biotech 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).

IO Biotech 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 trials (± recruiting share)

Sponsors near 33% open enrollment (± trial volume)

What to do with this IO Biotech page

3 registered trials is a research-attention snapshot, not an endorsement of IO Biotech or any single study.

  • 1 of IO Biotech's trials are currently recruiting, check each one's own eligibility criteria before contacting a site. Browse recruiting trials
  • Lung Cancer, Non-Small Cell is the condition IO Biotech studies most, compare against other sponsors active in the same condition before evaluating a specific study. See Lung Cancer, Non-Small Cell 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.

IO Biotech pipeline card: 3 registered trials from official public datasets.Report a data error.