Study Stopped
Company decision of termination of the clinical program.
Phase I Study of DS-2741a in Healthy Volunteers and Participants With Atopic Dermatitis
DS-2741a Phase I Study- A Three-part First-in-human Study: Single Ascending Dose and Multiple Dose Study to Assess the Safety, Pharmacokinetics and Pharmacodynamics of DS-2741a After Subcutaneous Injection in Healthy Japanese Male Subjects, and Single Dose Study to Assess the Pharmacokinetics, Safety, Pharmacodynamics and Efficacy of DS-2741a After Subcutaneous Injection in Japanese Subjects With Moderate to Severe Atopic Dermatitis.
2 other identifiers
interventional
8
1 country
1
Brief Summary
This is a phase 1, single-center, first-in-human study to assess the safety, pharmacokinetics and pharmacodynamics of DS-2741a after subcutaneous injection in healthy Japanese male volunteers and Japanese participants with moderate to severe atopic dermatitis.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_1
Started Jan 2020
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 23, 2019
CompletedFirst Posted
Study publicly available on registry
December 26, 2019
CompletedStudy Start
First participant enrolled
January 13, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 14, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
December 18, 2020
CompletedJune 22, 2021
June 1, 2021
2 months
December 23, 2019
June 16, 2021
Conditions
Keywords
Outcome Measures
Primary Outcomes (9)
Incidence of adverse events among participants receiving DS-2741a (Part 1 and Part 3)
Day 1 through end of study, up to 4 weeks
Characterize pharmacokinetic parameter maximum plasma concentration (Cmax) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter time to reach maximum plasma concentration (Tmax) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter area under the curve from time 0 to last measurable time point (AUClast) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter area under the curve from time 0 to 168 h (AUC168h) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter total clearance (CL/F) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter area under the curve from time 0 to infinity (AUCinf) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter terminal elimination half-life (t1/2) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter volume of distribution (Vz/F) of plasma DS-2741a (Part 2)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Secondary Outcomes (17)
Characterize pharmacokinetic parameter maximum plasma concentration (Cmax) of plasma DS-2741a (Part 1)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter time to reach maximum plasma concentration (Tmax) of plasma DS-2741a (Part 1)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter area under the curve from time 0 to last measurable time point (AUClast) of plasma DS-2741a (Part 1)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter area under the curve from time 0 to 168 h (AUC168h) of plasma DS-2741a (Part 1)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
Characterize pharmacokinetic parameter total clearance (CL/F) of plasma DS-2741a (Part 1)
Day 1 (pre-dose, 2, 8, 24, 36 hours after the start of administration), Day 2, Day 3, Day 4, Day 5, Day 6, Day 7, Day 8, Day 9, Day 11, Day 14, Day 17, Day 21, Day 28, Day 35, Day 42, Day 49
- +12 more secondary outcomes
Study Arms (11)
Part 1: DS-2741a Cohort 1, 5 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 5 mg.
Part 1: DS-2741a Cohort 2, 15 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 15 mg.
Part 1: DS-2741a Cohort 3, 50 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 50 mg.
Part 1: DS-2741a Cohort 4, 150 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 150 mg.
Part 1: DS-2741a Cohort 5, 500 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 500 mg.
Part 1: DS-2741a Cohort 6, 1000 mg
EXPERIMENTALParticipants will be randomized to receive a single, subcutaneous injection of DS-2741a 1000 mg.
Part 1: Placebo
PLACEBO COMPARATORParticipants will be randomized to receive a single, subcutaneous injection of placebo.
Part 2: DS-2741a Cohort 1, X mg (based on results of Part 1)
EXPERIMENTALParticipants will receive a single, subcutaneous injection of DS-2741a X mg, where X mg will be based on the maximum tolerated dose identified in Part 1.
Part 2: DS-2741a Cohort 1, Y mg (based on results of Part 1)
EXPERIMENTALParticipants will receive a single, subcutaneous injection of DS-2741a Y mg, where Y mg will be based on the maximum tolerated dose identified in Part 1.
Part 3: DS-2741a Cohort 1, Z mg (based on results of Part 1)
EXPERIMENTALParticipants will be randomized to receive a receive a single, subcutaneous injection of DS-2741a Z mg, where Z mg will be based on the maximum tolerated dose identified in Part 1.
Part 3: Placebo
PLACEBO COMPARATORParticipants will be randomized to receive a single, subcutaneous injection of placebo.
Interventions
Single, subcutaneous injection (upper arm, upper part of the thigh, or abdominal wall in principle) administered weekly for 4 weeks
Single, subcutaneous injection administered weekly for 4 weeks
Eligibility Criteria
You may qualify if:
- For Part 1 and Part 3:
- Japanese healthy male subjects.
- Age ≥20 and ≤45 years upon providing informed consent.
- Body mass index (BMI) ≥18.5 and \<25.0 kg/m\^2 at screening.
- For Part 2:
- Japanese Male or female, Age ≥20 upon providing informed consent.
- Diagnosed with chronic atopic dermatitis (AD) at least 3 years before screening and by the criteria of Hannifin and Rajka at screening.
You may not qualify if:
- For Part 1 and Part 3:
- Having a history of atopic dermatitis
- Having a history of hypersensitivity to drugs or other substances or being idiosyncratic
- Having alcohol or drug dependence, etc.
- For Part 2:
- Having an active dermatological disease other than AD, which, in the investigator's opinion, would affect study assessments.
- Having a history of serious disease in the study potentially endangering the participant, as judged by the investigator or sub-investigator.
- Having a chronic or acute infection requiring treatment within 28 days before screening.
- Having superficial skin infections within 7 days before screening.
- Having a history of recurrent oral herpes and recurrent genital herpes.
- Having a history of parasitic infection or invasive, opportunistic infection such as histoplasmosis despite infection resolution, etc.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Osaka Pharmacology Clinical Research Hospital
Osaka, Japan
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Clinical Study Leader
Daiichi Sankyo
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Masking Details
- The participant, care provider, investigator, and outcomes assessor will be blinded in Part 1 and Part 3 of the study. Part 2 of the study will be unblinded.
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 23, 2019
First Posted
December 26, 2019
Study Start
January 13, 2020
Primary Completion
March 14, 2020
Study Completion
December 18, 2020
Last Updated
June 22, 2021
Record last verified: 2021-06
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP, CSR
- 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.
De-identified individual participant data (IPD) and applicable supporting clinical trial documents may be available upon request at https://vivli.org/. 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: https://vivli.org/ourmember/daiichi-sankyo/