Safety and Effectiveness of Quizartinib in Children and Young Adults With Acute Myeloid Leukemia (AML), a Cancer of the Blood
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- STATUS
- Recruiting
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- End date
- May 1, 2027
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- participants needed
- 65
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- sponsor
- Daiichi Sankyo, Inc.
Summary
Quizartinib is an experimental drug. It is not approved for regular use. It can only be used in medical research.
Children or young adults with a certain kind of blood cancer (FLT3-ITD AML) might be able to join this study if it has come back after remission or is not responding to treatment.
Description
The medical condition being investigated is relapsed or refractory AML in participants aged ≥1 month to ≤21 years with Feline McDonough Sarcoma (FMS)-like tyrosine kinase 3 (FLT3)-internal tandem duplication (ITD) mutations (FLT3-ITD AML), following failure of front-line intensive chemotherapy.
The trial will be conducted in multiple phases. An independent data monitoring committee (DMC) will protect the rights, safety, and well-being of participants by monitoring the progress and results. The DMC will comprise qualified physicians and scientists who are not Investigators in the study and not otherwise directly associated with the Sponsor and will be convened at the end of Phase 1.
- Dose Escalation/De-escalation Phase:
Number of participants is determined by age group. Participants will be enrolled by dose-level to determine the recommended Phase 2 dose (RP2D) of quizartinib for pediatric participants that provides similar exposure to adult patients treated at the target adult dose of 60 mg orally once daily.
B. Dose-Expansion Phase:
Participants will receive the RP2D of quizartinib for their respective age group.
During both dose escalation and dose expansion phases, participants will receive:
Re-Induction Therapy
- Intrathecal (IT) triple chemotherapy prophylaxis prior to and between cycles
- In re-induction Cycles 1 and 2, fludarabine/cytarabine (FLA) followed by quizartinib as a single agent
Allogeneic Hematopoietic Stem Cell Transplantation (HSCT) Period:
After re-induction therapy, participants will be evaluated for eligibility to undergo allogeneic hematopoietic stem cell transplant (HSCT). Eligible participants may receive a single 28-day cycle of consolidation therapy (standard of care chemotherapy with or without quizartinib) if an allogeneic HSCT is not available immediately. The options for consolidation therapy are as follows:
- High intensity chemotherapy with quizartinib, or
- Low intensity chemotherapy alone, or
- Low intensity therapy with quizartinib as a single agent
Continuation Therapy:
Participants in remission after HSCT, or who are not eligible for HSCT but achieve at least a partial remission (PR) after re-induction, will receive up to 12 continuous 28-day cycles of quizartinib continuation therapy at the same dose received during re-induction in the dose expansion phase.
Long-term Follow-up:
The long-term follow-up phase begins upon completion of 12 cycles of quizartinib Continuation Therapy or permanent discontinuation of quizartinib at any time. After completion of the 30-day safety follow-up visit, subsequent visits will occur at the following frequencies to assess survival and anti-leukemic treatments:
- every 3 months for the first 2 years, and then
- once a year thereafter until the last participant enrolled has been followed for three years from the date of enrollment
Details
| Condition | Acute Myeloid Leukemia |
|---|---|
| Treatment | cytarabine, etoposide, Fludarabine, Daunorubicin, Quizartinib, Intrathecal (IT) triple chemotherapy prophylaxis |
| Clinical Study Identifier | NCT03793478 |
| Sponsor | Daiichi Sankyo, Inc. |
| Last Modified on | 7 October 2022 |
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.
Learn moreIf you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.
Learn moreComplete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.
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