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Study of DS-1001b in Patients With Gene IDH1-Mutated Gliomas

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT03030066
Recruitment Status : Active, not recruiting
First Posted : January 24, 2017
Last Update Posted : April 10, 2019
Daiichi Sankyo, Inc.
Information provided by (Responsible Party):
Daiichi Sankyo, Inc. ( Daiichi Sankyo Co., Ltd. )

Brief Summary:
This is a study to assess the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PD) and anti-tumor activity of DS-1001b in patients with gliomas that harbor IDH1-R132 mutations.

Condition or disease Intervention/treatment Phase
Glioma Drug: DS-1001b Not Applicable

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 60 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Basic Science
Official Title: A Phase 1 Study of DS-1001b in Patients With IDH1 Mutated Gliomas
Actual Study Start Date : January 19, 2017
Estimated Primary Completion Date : January 2020
Estimated Study Completion Date : March 2020

Resource links provided by the National Library of Medicine

Arm Intervention/treatment
Experimental: Experimental Drug DS-1001b
Oral administration
Drug: DS-1001b
Generic not assigned
Other Name: Investigational

Primary Outcome Measures :
  1. Percentage of participants with dose limiting toxicities [ Time Frame: 21 days ]

Secondary Outcome Measures :
  1. Percentage of participants experiencing an adverse event (AE) [ Time Frame: up to 36 months ]
    AEs temporally associated with DS-1001b treatment

  2. Area under the concentration curve (AUC) for DS-1001b [ Time Frame: up to 36 months ]
  3. Maximum plasma concentration (Cmax) for DS-1001b [ Time Frame: up to 36 months ]
  4. Time to maximum plasma concentration (Tmax) for DS-1001b [ Time Frame: up to 36 months ]
  5. Change from baseline in 2-hydroxyglutarate (2-HG) concentration in patient specimens after treatment with DS-1001b [ Time Frame: Baseline, up to 36 months ]
  6. Tumor response to DS-1001b based on Response Assessment in Neuro-Oncology Criteria (RANO) [ Time Frame: up to 36 months ]

Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.

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Ages Eligible for Study:   20 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Has histologically confirmed glioma with an IDH1-R132 mutation
  2. Has disease that has recurred or progressed following standard treatment including radiotherapy
  3. Has measurable lesion(s) as per RANO criteria
  4. Has Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2

Exclusion Criteria:

  1. Has significant symptoms of increased intracranial pressure
  2. Has another active neoplasm
  3. Has active infection requiring systemic treatment
  4. Has a history of severe cardiac disease
  5. Has had prior treatment with any inhibitor targeting mutant IDH1
  6. Has had investigational drug treatment within 4 weeks prior to the first dose of study treatment
  7. Is a pregnant or lactating female

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT03030066

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National Cancer Center Hospital
Tokyo, Japan
Sponsors and Collaborators
Daiichi Sankyo Co., Ltd.
Daiichi Sankyo, Inc.
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Study Director: Global Clinical Leader Daiichi Sankyo, Inc.

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Responsible Party: Daiichi Sankyo Co., Ltd. Identifier: NCT03030066     History of Changes
Other Study ID Numbers: DS1001-A-J101
163479 ( Registry Identifier: JAPIC CTI )
First Posted: January 24, 2017    Key Record Dates
Last Update Posted: April 10, 2019
Last Verified: April 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: Yes
Plan Description: De-identified individual participant data (IPD) and applicable supporting clinical trial documents may be available upon request at In cases where clinical trial data and supporting documents are provided pursuant to our company policies and procedures, Daiichi Sankyo will continue to protect the privacy of our clinical trial participants. Details on data sharing criteria and the procedure for requesting access can be found at this web address:
Supporting Materials: Study Protocol
Statistical Analysis Plan (SAP)
Informed Consent Form (ICF)
Clinical Study Report (CSR)
Analytic Code
Time Frame: Studies for which the medicine and indication have received European Union (EU) and United States (US), and/or Japan (JP) marketing approval on or after 01 January 2014 or by the US or EU or JP Health Authorities when regulatory submissions in all regions are not planned and after the primary study results have been accepted for publication.
Access Criteria: Formal request from qualified scientific and medical researchers on IPD and clinical study documents from clinical trials supporting products submitted and licensed in the United States, the European Union and/or Japan from 01 January 2014 and beyond for the purpose of conducting legitimate research. This must be consistent with the principle of safeguarding study participants' privacy and consistent with provision of informed consent.

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Daiichi Sankyo, Inc. ( Daiichi Sankyo Co., Ltd. ):
IDH1 mutation
Developmental Phase I
Additional relevant MeSH terms:
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Neoplasms, Neuroepithelial
Neuroectodermal Tumors
Neoplasms, Germ Cell and Embryonal
Neoplasms by Histologic Type
Neoplasms, Glandular and Epithelial
Neoplasms, Nerve Tissue