Drug

Pegylated TOP1 Inhibitor PEEL-224 clinical trials

Also written PEEL-224.

studies test it: 3
open now: 3
in phase 3: 0
first study started: 2022

How each study uses Pegylated TOP1 Inhibitor PEEL-224 is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study

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Approvals

The first approval found in each region, with its record

United States: Not in FDA's approval records
European Union: Not in EMA's list of EU-wide authorisations

From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out

How studies write it

Studies that test it under each name

Development codes

PEEL-224: 3

Studies by the year they started

3 studies that test it; most in 2025 (2)

Studies that test Pegylated TOP1 Inhibitor PEEL-224, by start year
Year	Studies
2022	1
2025	2

By phase

A phase 1/2 study counts in both.

Phase 1: 3
Phase 2: 2

What it is tested for

Each study’s main condition, where its own words name it, so a study counts once.

Neuroblastoma: 1
Sarcoma: 1

Who runs them

Industry 1 · Other 2

Theodore Laetsch (1) · Peel Therapeutics Inc (1) · David S Shulman, MD (1)

Studies

Open first, then newest update. How each study uses Pegylated TOP1 Inhibitor PEEL-224 is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.