deltatrials
Recruiting PHASE3 INTERVENTIONAL 2-arm NCT06479135

Study of Navtemadlin add-on to Ruxolitinib in JAK Inhibitor-Naïve Patients With Myelofibrosis Who Have a Suboptimal Response to Ruxolitinib (POIESIS)

A Phase 3, Randomized, Double-blind, Add-on Study Evaluating the Safety and Efficacy of Navtemadlin Plus Ruxolitinib vs Placebo Plus Ruxolitinib in JAK Inhibitor-Naïve Patients With Myelofibrosis Who Have a Suboptimal Response to Ruxolitinib

Sponsor: Kartos Therapeutics, Inc.

Updated 6 times since 2024 Last updated: Sep 22, 2025 Started: Jun 3, 2024 Primary completion: Dec 31, 2026 Completion: Dec 31, 2028
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT06479135, this PHASE3 trial focuses on MF and Myelofibrosis and remains actively recruiting participants. Sponsored by Kartos Therapeutics, Inc., it has been updated 6 times since 2024, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Nov 2024 · 2 months · monthly snapshotRecruiting~Nov 2024 – ~Jan 2025 · 2 months · monthly snapshotRecruiting~Jan 2025 – ~Sep 2025 · 8 months · monthly snapshotRecruiting~Sep 2025 – ~Oct 2025 · 30 days · monthly snapshot~Oct 2025 – present · 9 months · monthly snapshotRecruiting

Change History

6 versions recorded
  1. Oct 2025 — Present [monthly]

    Recruiting PHASE3

  2. Sep 2025 — Oct 2025 [monthly]

    Recruiting PHASE3

  3. Jan 2025 — Sep 2025 [monthly]

    Recruiting PHASE3

  4. Nov 2024 — Jan 2025 [monthly]

    Recruiting PHASE3

  5. Sep 2024 — Nov 2024 [monthly]

    Recruiting PHASE3

Show 1 earlier version
  1. Jul 2024 — Sep 2024 [monthly]

    Recruiting PHASE3

    First recorded

Jun 2024

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Kartos Therapeutics, Inc.
Data source: Kartos Therapeutics, Inc.

For direct contact, visit the study record on ClinicalTrials.gov .