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RECRUITING
NCT06199557
PHASE1/PHASE2

A Study to Investigate Treatment of HU and VPA, or 6-MP and VPA in Unfit AML/HR-MDS Patients

Sponsor: Haukeland University Hospital

View on ClinicalTrials.gov

Summary

The purpose of this study is to investigate the safety, tolerability, and preliminary efficacy of the combination treatment of hydroxyurea capsules and valproic acid capsules, or the combination treatment of 6-mercaptopurine tablets and valproic acid capsules in male and female patients aged 18 years or older with acute myeloid leukemia or high- risk myelodysplastic syndrome. The population to be studied is newly diagnosed AML patients who are considered unfit for standard induction chemotherapy, HR-MDS unfit/ineligible for standard treatment, and relapsed/refractory AML/HR-MDS patients who are considered unfit for standard therapy ,or are, for some reason, ineligible for another type of therapy. Clinically, hydroxyurea, valproic acid and 6-mercaptopurine are historically very well-known therapeutic agents with low toxicity profiles. The rationale for this study is that the combination of these drugs with low toxicity will be well tolerated in elderly AML patients with comorbidities, or lower performance status. This combination could have a beneficial therapeutic effect on overall survival and contribute to a better quality of life.

Official title: A Phase 1/2 Multicenter Open-label Study to Investigate Treatment of Hydroxyurea in Combination With Valproic Acid (VPA), or 6- Mercaptopurine in Combination With VPA in Patients With AML or HR-MDS Unfit for Standard Therapy

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

48

Start Date

2024-05-23

Completion Date

2029-09-30

Last Updated

2025-06-29

Healthy Volunteers

No

Interventions

DRUG

Hydroxyurea, Hydroxycarbamide

Hydroxyurea (HU/hydroxycarbamide) is a hydroxylated analogue of urea which prevents DNA synthesis by inhibiting the activity of ribonucleotide reductase (RNR). HU has been used to treat a variety of diseases. As an antineoplastic drug, HU has some advantages. It may be used by ambulatory patients and has relatively few side effects, which are relieved almost immediately after withdrawal of the drug. The drug is readily absorbed from the gastrointestinal tract following oral administration. At present, HU has an important role as standard of care for treating hyperleukocytosis in chronic and acute myeloid leukemia.

DRUG

Valproic acid

Valproic acid (VPA) has been used clinically as an anticonvulsant and mood-stabilizing drug. During the last two decades, VPA has been described as a histone deacetylase (HDAC) inhibitor and gained increased interest for use in cancer therapy. VPA is administered orally with available routine measurements of serum levels and has a low toxicity profile.

DRUG

6-Mercaptopurine (6-MP)

In 1953, 6-MP was an approved antileukemic agent resulting in remissions in children with acute lymphocytic leukemia (ALL). After adding 6-MP to methotrexate and prednisolone in the treatment regimen, the one-year mean survival of children with ALL was increased from 29% to 50%. 6-MP, even about 70 years after its discovery, remains the standard maintenance therapy once the children are in complete remission.

Locations (1)

Haukeland University Hospital

Bergen, Bergen, Norway