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A Phase II study of DS-1001b in Patients with IDH1 mutated WHO grade II glioma

Phase 2
Completed
Conditions
glioma
Registration Number
JPRN-jRCT2080225243
Lead Sponsor
DAIICHI SANKYO Co.,Ltd.
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
completed
Sex
All
Target Recruitment
25
Inclusion Criteria

1.Has a histopathologically documented IDH1 mutated WHO grade II glioma according to the 2016 WHO classification
2.Has confirmed IDH1 mutation at the R132 locus by central laboratory testing.
3.Has no prior anticancer (including chemotherapy and radiotherapy) for glioma except craniotomy or biopsy.
4.Has at least 1 measurable and non-enhancing lesion.
5.Has an interval of at least 90 days from the latest surgery.
6.Has no sign of malignant transformation including the appearance of enhancing lesion and/or rapid growth of non-enhancing lesion.
7.Has an Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 to 1.

Exclusion Criteria

1.Has had a histopathological diagnosis of WHO grade III or IV glioma.
2.Has had a contrast enhancing lesion on brain MRI.
3.Has received a prior treatment with any mutant IDH1 inhibitor.
4.Has received other investigational products within 28 days before the start of the study drug treatment.
5.Has multiple primary malignancies.
6.Has an active infection requiring systemic treatment.
7.Has a history of clinically significant cardiac disease.
8.Is a pregnant or lactating woman

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
efficacy<br>safety<br>Overall response rate (ORR) assessed by Independent Efficacy Review Committee<br>Number of participants with treatment-emergent adverse events (TEAEs) during the study
Secondary Outcome Measures
NameTimeMethod
pharmacokinetics<br>pharmacodynamics<br>efficacy<br>1)Clinical benefit rate<br>2)Percentage change in tumor volume<br>3)Time to response<br>4)Duration of response<br>5)Time to treatment failure<br>6)Progression-free survival<br>7)Overall survival<br>8)Pharmacokinetic (PK) profile including AUC, Cmax, Tmax of DS-1001a<br>9)2-hydroxyglutarate concentration<br><br>Tumor response will be determined using the response assessment criteria published by Response Assessment in Neuro-Oncology (RANO) working group.
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