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A proof-of-concept clinical trial to evaluate the efficacy and safety of combined use of cefadroxil and tyrosine kinase inhibitors in minimal residual disease-positive patients with chronic phase chronic myelogenous leukemia

A proof-of-concept clinical trial to evaluate the efficacy and safety of combined use of cefadroxil and tyrosine kinase inhibitors in minimal residual disease-positive patients with chronic phase chronic myelogenous leukemia - The efficacy and safety of TKI combined CDX for CML-CP

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000027904
Enrollment
20
Registered
2017-07-15
Start date
2017-08-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Chronic myelogenous leukemia

Interventions

Patients received CDX (at an oral dose of 1500 mg per day) with TKI which they have already taken (1 course). This regimen is repeated three times.

Sponsors

Department of Hematology and Oncology, Research Institute for Radiation Biology and Medicine, Hiroshima University.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) CML-CP achieves MR 3.0, but not MR 4.0 (eligible fisrt and later second chronic phase (2) ECOG performance status 0-1 (3) more than 20 years old (4) outpatient (5) Patients from whom informed consent has been obtained using documents.

Exclusion criteria

Exclusion criteria: (1) History of shock against CDX (2) Infectious mononucleosis (3) Hypersensitivity against cephalosporin and penicillin antimicrobial agents (4) Renal insufficiency (CCr;less than 50ml/min.) (5) Difficulty of oral intake and receiving the parental nutrition (6) History of receiving stem cell transplantation (7) Cardiac dysfunction (necessary of medication for arrhythmia, ischemic cardiac disease, heart failure and cardiomyopathy) (8) Pregnancy, nursing or possibly pregnant women (9) Attempt to get the child and no will of contraception (10) Patients received cephalosporin within twelve weeks ago before this trial (11) Patients participated other trail study and took trial drugs. (12) No indication for this study as judged by physicians in charge

Design outcomes

Primary

MeasureTime frame
Proportion of patients who achieved deep molecular response during the treatment period

Secondary

MeasureTime frame
1) Adverse events 2) The temporal changes of BCR-ABL mRNA levels in bone marrow CD34+CD38- cells 3) PK/PD of CDX and TKI

Countries

Japan

Contacts

Public ContactNoriyasu Fukushima

Research Institute for Radiation Biology and Medicine, Hiroshima University. Department of Hematology and Oncology

fukushin@hiroshima-u.ac.jp082-257-5861

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026