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Taking people in ItalyPhase 3

Tests olverembatinib against bosutinib in chronic myeloid leukemia

Compares olverembatinib with bosutinib in adults with chronic phase chronic myeloid leukemia.

Plain-language title generated from the registry record
Registry title: Study of Olverembatinib (HQP1351) in Patients With CML-CP

Key facts

Where
Bologna, Candiolo, Catania, Lecce, Meldola, Messina, Milan, Naples, Novara, Padova, Pisa, Rome, Turin, and Varese, ItalySee the 17 sites
Phase
Phase 3

Where in Italy

  • Azienda Ospedaliero-Universitaria Di Bologna IRCCS Istituto Di Ricerca E Di Cura A Carattere ScientificoBologna, ItalyTaking people
  • INOC Istituto Nazionale Oncologico CandioloCandiolo, ItalyTaking people
  • Azienda Ospedaliero-Universitaria Policlinico G. Rodolico-San Marco Di CataniaCatania, ItalyTaking people
  • Ospedale Vito Fazzi LecceLecce, ItalyTaking people
  • Istituto Romagnolo per lo Studio dei Tumori "Dino Amadori" - IRST S.r.lMeldola, ItalyTaking people
  • Azienda Ospedaliera Universitaria Gaetano Martino MessinaMessina, ItalyTaking people
  • Fondazione IRCCS Cà Granda Ospedale Maggiore PoliclinicoMilan, ItalyTaking people
  • Azienda Ospedaliera Universitaria Federico II Di NapoliNaples, ItalyTaking people
  • Azienda Ospedaliero Universitaria Maggiore della CaritàNovara, ItalyTaking people
  • Azienda Ospedaliera di PadovaPadova, ItalyTaking people
  • Azienda Ospedaliero Universitaria PisanaPisa, ItalyTaking people
  • Azienda Ospedaliero-Universitaria Policlinico Umberto IRome, ItalyTaking people
  • Azienda Sanitaria Locale Roma 2Rome, ItalyTaking people
  • Fondazione Policlinico Universitario Agostino Gemelli IRCCSRome, ItalyTaking people
  • Azienda Ospedaliera Ordine Mauriziano di TorinoTurin, ItalyTaking people
  • Azienda Ospedaliera Universitaria Citta Della Salute E Della Scienza Di TorinoTurin, ItalyTaking people
  • Azienda Socio Sanitaria Territoriale Dei Sette LaghiVarese, ItalyTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
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Trial details

Who runs it
Ascentage Pharma Group Inc.
Trial code
NCT06423911EU 2024-511495-32-00
Record updated
15 September 2026
Original description
Study comparing efficacy and safety of olverembatinib (investigational arm) vs. bosutinib (control arm) in patients with CML-CP (Part A). Study will also evaluate efficacy and safety of olverembatinib (single-arm) in CML-CP patients with T315I mutation (Part B).Read full original descriptionShow less

A Global, Multicenter, Open Label, Randomized, Phase 3 Registrational Study of Olverembatinib (HQP1351) in Patients With Chronic Phase Chronic Myeloid Leukemia (CML-CP)

Study comparing efficacy and safety of olverembatinib (investigational arm) vs. bosutinib (control arm) in patients with CML-CP (Part A). Study will also evaluate efficacy and safety of olverembatinib (single-arm) in CML-CP patients with T315I mutation (Part B).

Patients who meet ELN 2025 failure criteria while receiving bosutinib in Part A may be able to receive olverembatinib in crossover follow-on study.

Inclusion: Patients eligible for inclusion in this study must meet all of the following criteria:; Age ≥ 18 years old; Diagnosis of CML-CP; Part A: Previously treated with at least two approved TKIs; Part B: T315I mutation at screening and previously treated with at least one approved TKI, with no other effective and/or tolerable therapies available; Eastern Cooperative Oncology Group (ECOG) performance status (PS) ≤ 2; Patient has adequate organ function.

Exclusion: For Part A only: T315I or V299L mutation at any time prior to starting study treatment; Previous treatment with or known / suspected hypersensitivity to olverembatinib or any of its excipients; Previous treatment with or known / suspected hypersensitivity to bosutinib or any of its excipients; Active infection that requires systemic drug therapy; Impairment of gastrointestinal (GI) function or GI disease that may significantly alter absorption of study drugs; Patients eligible for this study must not meet any of the following criteria:; Pregnant or nursing (lactating) women.

ClinicalTrials.gov NCT06423911 · EU CTIS 2024-511495-32-00