A Phase 3, multicenter, open label, randomized, non-comparative two-arm study of ivosidenib (IVO) monotherapy and azacitidine (AZA) monotherapy in adult patients with hypomethylating agent (HMA) naive myelodysplastic syndromes (MDS) with an isocitrate dehydrogenase-1 (IDH1) mutation (PyramIDH study)
Recipient organisationNIHR University College London Hospitals Biomedical Research Centre
NIHR supportRecorded as supported by this research centre
PeriodJan 2025 — Jun 2028
In plain English
AI plain-English summary
A new clinical trial is testing whether a daily pill can replace standard injections for a specific group of patients with a bone marrow disorder. The trial focuses on people with myelodysplastic syndromes (MDS) whose cancer cells carry a mutation in the IDH1 gene. These patients have not yet received any treatment. The standard drug, azacitidine, must be given as an injection or infusion in cycles lasting 28 days. The experimental drug, ivosidenib, is taken orally every day. The study directly compares how well each drug shrinks or eliminates abnormal cells in the bone marrow. If ivosidenib works as well as the injected drug, patients could avoid frequent hospital visits for infusions. That would simplify treatment and reduce the burden on both patients and the healthcare system. The trial also tracks side effects and quality of life, so the results will show not just whether the pill works, but whether it is easier to live with. This is a late-stage trial designed to generate evidence that could change standard care for this specific genetic subtype of MDS. If successful, it would offer a more convenient treatment option for a group of patients who currently have limited choices.
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A Phase 3, multicenter, open label, randomized, non-comparative two-arm study of ivosidenib monotherapy (IVO) and azacitidine monotherapy (AZA) in adult patients with hypomethylating agent (HMA) naive myelodysplastic syndromes (MDS) with an IDH1 mutation (PyramIDH study). Once they have consented to take part, treatment-naive patients will undergo a 28 day screening period before being randomised to receive either oral ivosidenib daily, or azacitidine, given as either an injection or infusion for up to 19 treatment cycles for up to 3-4 years, each cycle lasting 28 days. Patients will visit the research site weekly for as long as they are in receipt of study treatment and during that time will undergo a variety of assessments including safety observations as well as bone marrow analyses, study specific blood tests and Quality of Life questionnaires. The objective of the study is to compare complete and partial response rates between the two treatment arms.
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