Leonard Appleman

Closed portfolio with an early-phase archive tilt

According to ClinicalTrials.gov-derived indexes, Leonard Appleman sits in the upper quartile of US sponsors by registered trial count (#2,913 of 15,742 sponsors by registered trial count).

4 total trials none currently recruiting 4 completed early-phase tilt upper quartile by trial count

Leonard Appleman: 4 sponsored US clinical trials, none currently recruiting.

Leonard Appleman sponsors 4 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 4 completed. 0 of these trials are in Phase 3-4 (later-stage) and 4 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Metastatic Transitional Cell Cancer of the Urothelial Tract, with 1 trials.

Upper-quartile sponsor footprint

Leonard Appleman sits in the upper quartile of the sponsor corpus (#2,913 of 15,742 sponsors by registered trial count) - denser than most sponsors, still short of the top-decile hubs.

How the Leonard Appleman early-phase archive is shaped

4 indexed studies, none listed as recruiting (0% open); 4 completed (100%).

Phase mix: 0 late (III/IV) vs 4 early (I/II) (early-phase heavy).

Top condition: Metastatic Transitional Cell Cancer of the Urothelial Tract (1 trial), 2 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.

Leonard Appleman: archived-pipeline peers nationwide

Peers matched on 4 indexed studies with no current recruiting: volume and archive shape, not condition overlap.

Leonard Appleman 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%20%40%60%80% Total trials Recruiting share Leonard Appleman4D pharma60 Degrees PharmaceuticalsA2 BiotherapeuticsAbdul Latif Jameel Poverty Action Lab10xBio22nd Century Group23andMe3-C Institute for Social Development
Leonard Appleman 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).

Leonard Appleman 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 4 archived trials

Sponsors with similar archive density (± trial count)

What to do with this Leonard Appleman page

4 registered trials is a research-attention snapshot, not an endorsement of Leonard Appleman or any single study.

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. Leonard Appleman pipeline card: 4 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.