A Study of KW-3357 in Congenital Antithrombin Deficiency

October 15, 2024 updated by: Kyowa Kirin Co., Ltd.

A Phase I Study to Determine the Pharmacokinetic Profile, Safety and Tolerability of a Single Dose (50IU/kg) of KW-3357 in Subjects With Congenital Antithrombin Deficiency.

The aim of this study is to determine the pharmacokinetics, safety and tolerability of KW-3357 in asymptomatic subjects with congenital antithrombin deficiency.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Patients with Congenital Antithrombin Deficiency are at increased risk of venous thrombosis and pulmonary embolism especially when undergoing certain high risk procedures. Antithrombin replacement therapy is often administered during these periods, with or without low molecular weight heparin. Prior to assessing the efficacy of KW-3357, a new recombinant human antithrombin, the present study will determine it's pharmacokinetics, safety and tolerability in subjects who have Congenital Antithrombin Deficiency but who are currently asymptomatic and not undergoing a high-risk procedure. Up to 16 evaluable subjects will be enrolled at multiple investigational sites over a period of approximately 7 months.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
16

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Hannover, Germany, 30625
        • Department of Haemotogy, Haemastasy, Oncology and Stem Cell Transplantation, Hannover Medical School
  • Sweden
      • Malmö, Sweden, SE-205 02
        • Center for Thrombosis and Haemostasis, Malmo University Hospital
      • Stockholm, Sweden, SE-171 76
        • Dept Obst Gyn/Section for Women and Child Health/Clinical Trial Unit, Karolinska University Hospital
  • United Kingdom
      • Bristol, United Kingdom, BS2 8ED
        • Bristol Haemophia Care Centre, Bristol Haemotology and Oncology Centre
      • Glasgow, United Kingdom, G4 0SF
        • Department of Haemotology, Glasgow Royal Infirmary
      • London, United Kingdom, SE1 7EH
        • Kings College, Dept of Haematology, Lupus & Pathology Guy's and St Thomas Trust, St Thomas Hospital, Ctr for Haemostasis and Thrombosis (the Haemophia Reference Ctr)
      • London, United Kingdom, WIT 4EU
        • University College London Hospital NHS Trust
    • Cornwall
      • Truro, Cornwall, United Kingdom, TR1 3LJ
        • Treliske, Haematology Clinic, Royal Cornwall Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Male or female subjects at least 18 years of age with congenital Antithrombin deficiency (AT activity ≤60% of normal) in a stable condition without evidence of acute thromboembolic events
  • Signed IEC-approved Informed Consent Form
  • Subjects must not have received an infusion of Antithrombin for at least 14 days before Screening
  • Patients of reproductive potential must agree to follow accepted birth control methods during the study

Exclusion Criteria:

  • Subjects who are classified as morbidly obese (defined by the presence of a body mass index >40 kg/m2)
  • Subjects who have participated in a study with an investigational drug within 30 days of Screening or within 5.5 times the elimination half-life of the investigational drug before Screening, whichever period is greater
  • Subjects with any clinically relevant medical history or current condition or physical findings, ECG, or laboratory values which could interfere with the objectives of the study or the safety of the subject
  • Subjects using non-steroidal anti-inflammatories, fondaparinux sodium, dabigatran or rivaroxaban or who are expected to be treated with these drugs during the study
  • Subjects who have concomitant nephrotic syndrome
  • Female subjects who are pregnant or lactating
  • Subjects who are taking heparin, low molecular weight heparin and/or oral anticoagulants, with the exception of vitamin K antagonists (eg, warfarin)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Other
  • Allocation: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Other: 1
Single group
Drug: KW-3357
50IU/mL, IV single dose

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Time Frame
To evaluate the pharmacokinetic profile of a single dose (50 IU/kg) of KW 3357 in subjects with congenital AT deficiency
Time Frame: July 2011
July 2011

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
To determine the safety and tolerability of a single dose (50 IU/kg) of KW-3357 in subjects with congenital AT deficiency
Time Frame: July 2011
July 2011

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Kyowa Kirin Co., Ltd.

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Kyowa Hakko Kirin UK, Ltd.

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Beverley Hunt, FRCP, FRCPath MD, St Thomas' Hospital, London, UK

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
April 1, 2009

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 22, 2010

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
April 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
July 10, 2009

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
July 10, 2009

First Posted (Estimated)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
July 13, 2009

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
October 17, 2024

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 15, 2024

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
October 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 3357-EU-001
  • EudraCT number 2008-005504-16

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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