P1101 is named as a drug or biological intervention in 2 clinical trials in our USA trial register, none of which are currently recruiting. The lead sponsor is PharmaEssentia. Registered phases: Phase 3 and Phase 2. Conditions studied include Polycythemia Vera; Essential Thrombocythemia.
| NCT ID | Study | Phase | Status |
|---|---|---|---|
| NCT05481151 | A Study to Assess Efficacy, Safety, and Tolerability of P1101 in Adult Patients With PV Polycythemia Vera |
Phase 3 | Active, closed |
| NCT05482971 | A Single-arm, Multicenter Study to Assess the Efficacy, Safety, and Tolerability of P1101 in Adults With ET (ClinicalTrials.gov ↗) Essential Thrombocythemia |
Phase 2 | Active, closed |
Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
| Condition (as registered) | Trials |
|---|---|
| Polycythemia Vera | 1 |
| Essential Thrombocythemia | 1 |
| Lead sponsor | Trials |
|---|---|
| PharmaEssentia | 2 |
| Register | P1101 trials |
|---|---|
| Clinical trials in USA | 2 |
A trial with sites in more than one country appears in each of those registers.
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how P1101 works or whether it is effective. Each trial links to its own record so you can check it yourself.
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists P1101 (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 24 Sep 2026.