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NCT04266301 · ClinicalTrials.gov registry record · Phase 3

Study of Efficacy and Safety of MBG453 in Combination With Azacitidine in Subjects With Intermediate, High or Very High Risk Myelodysplastic Syndrome (MDS) as Per IPSS-R, or Chronic Myelomonocytic Leukemia-2 (CMML-2)

A Phase 3 study, sponsored by Novartis Pharmaceuticals.

Terminated
Registry status
Phase 3
Development phase
530
Enrollment target

NCT04266301: Clinical Trial Phase 3 study, sponsored by Novartis Pharmaceuticals.

NCT04266301 is a Phase 3 study that was terminated before completion, run by Novartis Pharmaceuticals. The registered enrollment target is 530 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (31% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT04266301, a Phase 3 study, was terminated before completion, sponsored by Novartis Pharmaceuticals.

TERMINATED
Registry status
Phase 3
Development phase
530 participants
Enrollment target

Study Summary

This was a Phase III multi-center, randomized, two-arm parallel-group, double-blind, placebo-controlled study of MBG453 or placebo added to azacitidine in adult participants with intermediate, high or very high-risk myelodysplastic syndrome (MDS) as per IPSS-R, or Chronic Myelomonocytic Leukemia-2 (CMML-2) who are not eligible for intensive chemotherapy or hematopoietic stem cell transplantation (HSCT) according to medical judgment by the investigator. The purpose of the current study was to assess clinical effects of MBG453 in combination with azacytidine in adult participants with IPSS-R intermediate, high, very high risk MDS and CMML-2.

Primary Outcome

OS is the time from randomization until death due to any cause.

Interventions

  • DRUG Placebo
  • DRUG Azacitidine
  • DRUG Sabatolimab

Trial Details

FieldValue
Enrollment Target 530 participants
Start Date 2020-06-08
Est. Completion 2024-10-02
Phase Phase 3
Novartis Pharmaceuticals

1,375 total trials

Why NCT04266301 stopped before completion

NCT04266301 is an interventional study that assigns participants to a tested intervention. The registered 530 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (31% lower).

The record links to 0 conditions, and to 3 interventions - of which Placebo is the first listed.

NCT04266301 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT04266301 about?

NCT04266301 is a clinical study titled "Study of Efficacy and Safety of MBG453 in Combination With Azacitidine in Subjects With Intermediate, High or Very High Risk Myelodysplastic Syndrome (MDS) as Per IPSS-R, or Chronic Myelomonocytic Leukemia-2 (CMML-2)". This was a Phase III multi-center, randomized, two-arm parallel-group, double-blind, placebo-controlled study of MBG453 or placebo added to azacitidine in adult participants with intermediate, high or very high-risk myelodysplastic syndrome (MDS) as per IPSS-R, or Chronic Myelomonocytic Leukemia-2 (...

What is the current status of trial NCT04266301?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 530 participants. The study started on 2020-06-08. Estimated completion is 2024-10-02.

What interventions are being tested in trial NCT04266301?

The interventions under investigation include: Placebo (DRUG), Azacitidine (DRUG), Sabatolimab (DRUG).

Who is sponsoring clinical trial NCT04266301?

This trial is sponsored by Novartis Pharmaceuticals, which has 1,375 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT04266301's enrollment target sits among peer trials

530 706th of 2000 higher than 1,292 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

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Source: ClinicalTrials.gov NCT04266301, the US trial registry maintained by the National Library of Medicine. NCT04266301 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.