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A Study to Assess the Safety and Pharmacokinetics of Multiple Ascending Subcutaneous Doses of DS-2325a in Healthy Subjects

Primary Purpose

Netherton Syndrome

Status
Completed
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
DS-2325a
Placebo
Sponsored by
Daiichi Sankyo, Inc.
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Netherton Syndrome focused on measuring Netherton Syndrome, DS-2325a, Healthy Participants

Eligibility Criteria

18 Years - 50 Years (Adult)All SexesAccepts Healthy Volunteers

Inclusion Criteria:

  • Must be able to understand a written informed consent, which must be obtained prior to initiation of study procedures.
  • Must be willing and able to comply with all study requirements.
  • Healthy males or non-pregnant, non-lactating healthy females.
  • Aged 18 to 50 years of age (inclusive) at the time of signing informed consent.
  • BMI of 18.0 kg/m^2 to 30.0 kg/m^2 (inclusive) as measured at Screening.
  • Women of childbearing potential who are sexually active with a male partner must practice effective contraception during the study treatment period and for 90 days after last IMP administration. They must agree to use 2 different means of nonhormonal contraceptive methods.
  • Women of non-childbearing potential must be either surgically sterile or in menopausal state confirmed as follows: 1 year of spontaneous amenorrhea without an alternative medical cause and a serum follicle stimulating hormone (FSH) level ≥40 mIU/mL.
  • Male participants who are sexually active with a female partner of childbearing potential must use, with their partner, a condom plus an approved method of highly effective contraception from the time of informed consent until 90 days after last IMP administration.
  • Women should not donate eggs and men should not donate sperm during the study treatment period and for at least 90 days after last IMP administration.
  • All female participants must have a negative serum pregnancy test at Screening and Admission (Day -2).

Exclusion Criteria:

  • History or presence of clinically significant cardiovascular, pulmonary, hepatic, renal, hematologic, metabolic, endocrine, immunologic, infectious, dermatologic, neurologic, oncologic, psychological, psychiatric, ophthalmologic, or gastrointestinal disease (except cholecystectomy), as judged by the Investigator.
  • History or presence of chronic lung or respiratory disease, including clinically significant asthma (as judged by the Investigator) and chronic obstructive pulmonary disease (COPD).
  • History, or presence in the average of triplicate ECGs at Screening and Admission (Day -2).
  • Laboratory results (serum chemistry, hematology, coagulation, and urinalysis) outside the normal range, if considered clinically significant by the Investigator at Screening or Admission (Day -2).
  • Creatinine clearance (CrCl) <80 mL/mina t Screening.
  • History or presence of any other clinically significant condition, including laboratory abnormality, that in the opinion of the Investigator, would jeopardize the safety of the participant, obtaining informed consent, compliance to the study procedures, or the validity of the study results.

Sites / Locations

  • Quotient Sciences -Miami

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Experimental

Arm Label

DS-2325a SC

Placebo SC

Arm Description

Participants who will be randomized to receive DS-2325a as a fixed dose subcutaneous (SC) injection (starting dose 300 mg).

Participants who will be randomized to receive placebo as a subcutaneous (SC) injection.

Outcomes

Primary Outcome Measures

Number of Participants with Any Treatment-emergent Adverse Events Following Administration of DS-2325a
Treatment-emergent adverse events (TEAEs) are defined as new adverse events (AEs) that occur after the dose of study drug or as AEs that were present prior to the dose of study drug but which worsened in severity after the start of study drug.

Secondary Outcome Measures

Pharmacokinetic Parameter Area Under the Concentration Curve (AUCtau)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Maximum Concentration (Cmax)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Average Concentration (Cavg)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Drug Accumulation Ratio for AUCtau and Cmax (Rac)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Time to Maximum Concentration (Tmax)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Terminal Elimination Half-life (T1/2)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Pharmacokinetic Parameter Elimination Rate Constant Associated With the Terminal Phase (Kel)
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Number of Participants Who Are Anti-Drug Antibody (ADA)-Positive (Baseline and Post-Baseline)
Blood samples will be collected to determine ADAs.

Full Information

First Posted
October 13, 2022
Last Updated
May 17, 2023
Sponsor
Daiichi Sankyo, Inc.
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1. Study Identification

Unique Protocol Identification Number
NCT05583669
Brief Title
A Study to Assess the Safety and Pharmacokinetics of Multiple Ascending Subcutaneous Doses of DS-2325a in Healthy Subjects
Official Title
A Phase 1, Subject- and Investigator-Blinded, Sponsor-Unblinded, Placebo-Controlled, Randomized, Sequential Cohort Study to Assess the Safety and Pharmacokinetics of Multiple Ascending Subcutaneous Doses of DS-2325a in Healthy Subjects
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Completed
Study Start Date
November 8, 2022 (Actual)
Primary Completion Date
May 11, 2023 (Actual)
Study Completion Date
May 11, 2023 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Daiichi Sankyo, Inc.

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
Netherton syndrome (NS) is a rare autosomal recessive disease and no systemic treatment or standard of care currently exists for patients with NS. DS-2325a, a specific and potent inhibitor of kallikrein 5, is expected to treat NS by replacing a defective gene.
Detailed Description
This study for DS-2325a will evaluate the safety, tolerability, and pharmacokinetics of multiple ascending doses of DS-2325a in healthy participants. DS-2325a will be evaluated after subcutaneous (SC) injections.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Netherton Syndrome
Keywords
Netherton Syndrome, DS-2325a, Healthy Participants

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Sequential Assignment
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Allocation
Randomized
Enrollment
24 (Actual)

8. Arms, Groups, and Interventions

Arm Title
DS-2325a SC
Arm Type
Experimental
Arm Description
Participants who will be randomized to receive DS-2325a as a fixed dose subcutaneous (SC) injection (starting dose 300 mg).
Arm Title
Placebo SC
Arm Type
Experimental
Arm Description
Participants who will be randomized to receive placebo as a subcutaneous (SC) injection.
Intervention Type
Drug
Intervention Name(s)
DS-2325a
Intervention Description
Subcutaneous injection (starting dose 300 mg)
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
Subcutaneous injection
Primary Outcome Measure Information:
Title
Number of Participants with Any Treatment-emergent Adverse Events Following Administration of DS-2325a
Description
Treatment-emergent adverse events (TEAEs) are defined as new adverse events (AEs) that occur after the dose of study drug or as AEs that were present prior to the dose of study drug but which worsened in severity after the start of study drug.
Time Frame
Screening (Day -28 to -3) pre-dose up to Day 78 post-dose
Secondary Outcome Measure Information:
Title
Pharmacokinetic Parameter Area Under the Concentration Curve (AUCtau)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Maximum Concentration (Cmax)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Average Concentration (Cavg)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Drug Accumulation Ratio for AUCtau and Cmax (Rac)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Time to Maximum Concentration (Tmax)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Terminal Elimination Half-life (T1/2)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Pharmacokinetic Parameter Elimination Rate Constant Associated With the Terminal Phase (Kel)
Description
Pharmacokinetic parameters will be calculated for DS-2325a by noncompartmental methods.
Time Frame
Day 1: pre-dose & 4, 8, 24, 72, 96, 120, 144 hours (hr) post-dose; Day 8 & 14: pre-dose; Day 22: pre-dose & 4, 8, 24, 48, 72, 96, 120, 144, 168 hr post-dose; Day 36, 43, 57, & 78
Title
Number of Participants Who Are Anti-Drug Antibody (ADA)-Positive (Baseline and Post-Baseline)
Description
Blood samples will be collected to determine ADAs.
Time Frame
Day 1: pre-dose and Days 15, 22, 36, 57, and 78

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
50 Years
Accepts Healthy Volunteers
Accepts Healthy Volunteers
Eligibility Criteria
Inclusion Criteria: Must be able to understand a written informed consent, which must be obtained prior to initiation of study procedures. Must be willing and able to comply with all study requirements. Healthy males or non-pregnant, non-lactating healthy females. Aged 18 to 50 years of age (inclusive) at the time of signing informed consent. BMI of 18.0 kg/m^2 to 30.0 kg/m^2 (inclusive) as measured at Screening. Women of childbearing potential who are sexually active with a male partner must practice effective contraception during the study treatment period and for 90 days after last IMP administration. They must agree to use 2 different means of nonhormonal contraceptive methods. Women of non-childbearing potential must be either surgically sterile or in menopausal state confirmed as follows: 1 year of spontaneous amenorrhea without an alternative medical cause and a serum follicle stimulating hormone (FSH) level ≥40 mIU/mL. Male participants who are sexually active with a female partner of childbearing potential must use, with their partner, a condom plus an approved method of highly effective contraception from the time of informed consent until 90 days after last IMP administration. Women should not donate eggs and men should not donate sperm during the study treatment period and for at least 90 days after last IMP administration. All female participants must have a negative serum pregnancy test at Screening and Admission (Day -2). Exclusion Criteria: History or presence of clinically significant cardiovascular, pulmonary, hepatic, renal, hematologic, metabolic, endocrine, immunologic, infectious, dermatologic, neurologic, oncologic, psychological, psychiatric, ophthalmologic, or gastrointestinal disease (except cholecystectomy), as judged by the Investigator. History or presence of chronic lung or respiratory disease, including clinically significant asthma (as judged by the Investigator) and chronic obstructive pulmonary disease (COPD). History, or presence in the average of triplicate ECGs at Screening and Admission (Day -2). Laboratory results (serum chemistry, hematology, coagulation, and urinalysis) outside the normal range, if considered clinically significant by the Investigator at Screening or Admission (Day -2). Creatinine clearance (CrCl) <80 mL/mina t Screening. History or presence of any other clinically significant condition, including laboratory abnormality, that in the opinion of the Investigator, would jeopardize the safety of the participant, obtaining informed consent, compliance to the study procedures, or the validity of the study results.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Clinical Director
Organizational Affiliation
Daiichi Sankyo, Inc.
Official's Role
Study Director
Facility Information:
Facility Name
Quotient Sciences -Miami
City
Miami
State/Province
Florida
ZIP/Postal Code
33126
Country
United States

12. IPD Sharing Statement

Plan to Share IPD
Yes
IPD Sharing Plan Description
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/
IPD Sharing 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.
IPD Sharing 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.
IPD Sharing URL
https://vivli.org/ourmember/daiichi-sankyo/

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A Study to Assess the Safety and Pharmacokinetics of Multiple Ascending Subcutaneous Doses of DS-2325a in Healthy Subjects

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