이 페이지는 자동 번역되었으며 번역의 정확성을 보장하지 않습니다. 참조하십시오 영문판 원본 텍스트의 경우.

이전에 Emicizumab으로 예방 치료를 받은 중증 혈우병 환자의 출혈 예방을 위한 약물(Fitusiran)을 테스트하기 위한 연구

2026년 9월 18일 업데이트: Sanofi

억제제 유무에 관계없이 중증 A형 혈우병을 앓고 있는 18세 이상 남성 참가자를 대상으로 에미시주맙에서 피투시란 예방약으로 전환하는 안전성과 내약성을 조사하기 위한 공개 단일군 치료 연구

This is an exploratory, single group, Phase 4, study to assess treatment with fitusiran prophylaxis after switching from emicizumab prophylaxis.

This study aims to evaluate the safety and tolerability of switching to fitusiran after a transition period from the last dose of emicizumab. The study will be conducted in male participants with severe hemophilia A, with or without inhibitors, aged ≥12 years, who were previously receiving emicizumab prophylaxis.

Study details include:

  • The study duration will be up to approximately 28 months:

    • There will be an approximately 2-month screening period.
    • There will be an approximately 2-month period before fitusiran treatment starts (pre-fitusiran treatment period)
    • The fitusiran treatment duration will be up to 18-months (fitusiran treatment period)
    • The antithrombin (AT) follow-up (FU) period will be approximately 6 months after the last dose of fitusiran (during which the AT activity level will be monitored at approximately monthly intervals following the final fitusiran dose until AT activity levels return to at least 60%).
  • The study site visits are scheduled at monthly/ every 2 months intervals of 28 days (4 weeks) / 56 days (8 weeks), respectively, during the fitusiran treatment period.

연구 개요

상태

모병

정황

개입 / 치료

연구 유형

중재적

등록 (추정된)

20

단계

  • 4단계

연락처 및 위치

이 섹션에서는 연구를 수행하는 사람들의 연락처 정보와 이 연구가 수행되는 장소에 대한 정보를 제공합니다.

연구 연락처

  • 이름: Trial Transparency email recommended (Toll free for US & Canada)
  • 전화번호: option 6 800-633-1610
  • 이메일: Contact-US@sanofi.com

연구 장소

      • Taipei, 대만, 100
        • 모병
        • Investigational Site Number : 1580001
    • California
      • Los Angeles, California, 미국, 90027
        • 모병
        • Children's Hospital Los Angeles- Site Number : 8400005
    • Mississippi
      • Flowood, Mississippi, 미국, 39232
        • 모병
        • Southern Specialty Research- Site Number : 8400011

참여기준

연구원은 적격성 기준이라는 특정 설명에 맞는 사람을 찾습니다. 이러한 기준의 몇 가지 예는 개인의 일반적인 건강 상태 또는 이전 치료입니다.

자격 기준

공부할 수 있는 나이

12년 이상 (어린이, 성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

남성

설명

Inclusion Criteria:

  • Male participants must be ≥12 years of age inclusive, at the time of signing the informed consent

  • Diagnosis of severe congenital hemophilia A (FVIII < 1%) as evidenced by a central laboratory measurement at screening or documented medical record evidence.

    • Inhibitor titer of ≥0.6 BU/mL at Screening, or
    • Inhibitor titer of <0.6 BU/mL at Screening with medical record evidence of 2 consecutive titers ≥0.6 BU/mL, or
    • Inhibitor titer of <0.6 BU/mL at Screening with medical record evidence of anamnestic response.
  • Participants who are currently on the full labeled dose of emicizumab prophylaxis, irrespective of inhibitor/non-inhibitor status.

  • Signed informed consent/assent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.

Exclusion Criteria:

Participants are excluded from the study if any of the following criteria apply:

  • Known coexisting bleeding disorders
  • History of antiphospholipid antibody syndrome.
  • History of arterial or venous thromboembolism, atrial fibrillation, significant valvular disease, myocardial infarction, angina, transient ischemic attack, or stroke. Participants who have experienced thrombosis associated with indwelling venous access may be enrolled.
  • Presence of clinically significant liver disease
  • Current or prior participation in a fitusiran trial
  • Current or prior participation in a gene therapy trial
  • AT activity <60% at Screening, as determined by central laboratory measurement
  • Coexisting thrombophilic disorder - Hepatitis C virus antibody positive, except participants who have negative Hepatitis C viral load and no evidence of cirrhosis
  • Presence of acute hepatitis, ie, hepatitis A, hepatitis E.
  • Presence of acute or chronic hepatitis B infection
  • Known to be HIV positive with CD4 count <200 cells/μL.
  • Reduced renal function

The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.

공부 계획

이 섹션에서는 연구 설계 방법과 연구가 측정하는 내용을 포함하여 연구 계획에 대한 세부 정보를 제공합니다.

연구는 어떻게 설계됩니까?

디자인 세부사항

  • 주 목적: 치료
  • 할당: 해당 없음
  • 중재 모델: 단일 그룹 할당
  • 마스킹: 없음(오픈 라벨)

무기와 개입

참가자 그룹 / 팔
개입 / 치료
실험적: fitusiran

The pre-fitusiran treatment period is defined as the transition period up to the first fitusiran administration. Participants will receive on demand or prophylactic treatment with intravenous clotting factor concentrates (IV CFCs) or bypassing agents (BPAs) from Month-2 until Day 1.

Fitusiran treatment period: Participants will receive subcutaneous (SC) fitusiran prophylaxis once every 2 months (Q2M) or once monthly (QM) from Day 1 until Month18.

Participants may receive IV antithrombin concentrate (ATIIIC) upon investigator's judgement.

AT FU period: Participants will be followed up until AT activity levels recover to at least 60% (per central laboratory).

In case of bleeding events participants will receive IV CFCs or BPAs. Participants may receive IV ATIIIC upon investigator's judgement.

Pharmaceutical form:Solution for injection-Route of administration:Subcutaneous (SC) injection

다른 이름들:
  • SAR439774, Qfitlia®

Pharmaceutical form: Solution for injection-Route of administration: Intravenous (IV) injection

Pharmaceutical form:Solution for injection-Route of administration:Intravenous (IV) injection

Pharmaceutical form:Solution for injection-Route of administration:SC injection

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Number of participants with Adverse events (AEs) during the fitusiran treatment
기간: From Day 1 up to Month 4

Incidence, severity, and seriousness, of AEs occurred during fitusiran treatment period will be reported

From Day 1 up to Month 4

2차 결과 측정

결과 측정
측정값 설명
기간
The peak thrombin generation (TG) - pre fitusiran treatment
기간: From Month -2 up to Day 1

Central laboratory assessments (peak TG) will be reported for pre-fitusiran period

From Month -2 up to Day 1
The peak TG during fitusiran treatment
기간: From Day 1 up to Month 4

Central laboratory assessments (peak TG) will be reported for fitusiran treatment period

From Day 1 up to Month 4
The antithrombin (AT) levels during pre-fitusiran treatment
기간: From Month -2 up to Day 1

Central laboratory assessments (AT) will be reported for pre-fitusiran treatment period

From Month -2 up to Day 1
The AT levels during fitusiran prophylaxis
기간: From Day 1 up to Month 4

Central laboratory assessments (AT) will be reported for fitusiran treatment

From Day 1 up to Month 4
Emicizumab concentrations in plasma
기간: Up to Month 4 of fitusiran treatment

Emicizumab concentrations in plasma will be reported

Up to Month 4 of fitusiran treatment
Number of participants with AEs from Day 1 to Month 18 of fitusiran treatment
기간: From Day 1 up to Month 18

Incidence, severity, and seriousness of AEs will be reported

From Day 1 up to Month 18
Change in participants' overall treatment satisfaction during the fitusiran treatment period assessed via the Treatment Satisfaction Questionnaire for Medication (TSQM-9) domain scores
기간: From approximately Month -2 to Month 19 [end of study (EoS) visit]

The three domains of effectiveness, convenience, and global satisfaction will be reported

From approximately Month -2 to Month 19 [end of study (EoS) visit]
Participants' treatment preferences (via the Preference Questionnaire)
기간: At Month 12

The Preference questionnaire Data will be reported

At Month 12
Change in adult participants' pain intensity during the fitusiran treatment period over time
기간: From approximately Month - 2 to Month 19 (EoS) visit

The PROMIS (Patient-Reported Outcomes Measurement Information System) Pain Intensity 3a v2.0 consists of three items measuring the worst, average, and current intensity of pain with a recall period of 7 days. Each question has five response options ranging from one ('no pain') to five ('very severe').

Adult participants (age ≥ 18 years) will self-complete the PROMIS Pain Intensity 3a v2.0 questionnaire.

From approximately Month - 2 to Month 19 (EoS) visit
Change in adolescent participants' pain intensity during the fitusiran treatment period over time
기간: From approximately Month - 2 to Month 19 (EoS) visit

The PROMIS Pediatric Numeric Rating Scale v.1.0 - Pain Intensity 1a consists of one item measuring the average intensity of pain with a recall period of 7 days. The question has ten response options ranging from one ('no pain') to ten ('worst pain').

Adolescent participants (age ≥12 years and <17 years) will self-complete the PROMIS Pediatric Pain Intensity 1a v.1.0.

From approximately Month - 2 to Month 19 (EoS) visit
Change in participants' physical functioning and physical activity during the fitusiran treatment period (via the International Physical Activity Questionnaire [IPAQ]) over time
기간: From approximately Month - 2 to Month 19 (EoS) visit

Participants' physical functioning and physical activity data during the fitusiran treatment period will be collected via the International Physical Activity Questionnaire and reported

From approximately Month - 2 to Month 19 (EoS) visit
Change in participants' joint health (via the Hemophilia Joint Health Score [HJHS]) during the fitusiran treatment period over time
기간: From approximately Month - 2 to Month 19 (EoS) visit

HJHS during the fitusiran treatment period will be reported

From approximately Month - 2 to Month 19 (EoS) visit
Annualized Bleeding Rate (ABR) while receiving fitusiran prophylaxis
기간: From Month 4 up to Month 18 (14-month extension period)

The frequency of treated bleeding episodes will be reported

From Month 4 up to Month 18 (14-month extension period)

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

수사관

  • 연구 책임자: Clinical Sciences & Operations, Sanofi

간행물 및 유용한 링크

연구에 대한 정보 입력을 담당하는 사람이 자발적으로 이러한 간행물을 제공합니다. 이것은 연구와 관련된 모든 것에 관한 것일 수 있습니다.

연구 기록 날짜

이 날짜는 ClinicalTrials.gov에 대한 연구 기록 및 요약 결과 제출의 진행 상황을 추적합니다. 연구 기록 및 보고된 결과는 공개 웹사이트에 게시되기 전에 특정 품질 관리 기준을 충족하는지 확인하기 위해 국립 의학 도서관(NLM)에서 검토합니다.

연구 주요 날짜

연구 시작 (실제)

2024년 3월 1일

기본 완료 (추정된)

2028년 5월 28일

연구 완료 (추정된)

2030년 1월 30일

연구 등록 날짜

최초 제출

2023년 11월 17일

QC 기준을 충족하는 최초 제출

2023년 11월 17일

처음 게시됨 (실제)

2023년 11월 24일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 9월 23일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 9월 18일

마지막으로 확인됨

2026년 9월 1일

추가 정보

이 연구와 관련된 용어

기타 연구 ID 번호

  • SFY17741
  • 2022-502414-84 (레지스트리 식별자: CTIS)
  • U1111-1280-7227 (레지스트리 식별자: ICTRP)

개별 참가자 데이터(IPD) 계획

개별 참가자 데이터(IPD)를 공유할 계획입니까?

예

IPD 계획 설명

Qualified researchers may request access to patient level data and related study documents including the clinical study report, study protocol with any amendments, blank case report form, statistical analysis plan, and dataset specifications. Patient level data will be anonymized and study documents will be redacted to protect the privacy of trial participants. Further details on Sanofi's data sharing criteria, eligible studies, and process for requesting access can be found at: https://vivli.org

약물 및 장치 정보, 연구 문서

미국 FDA 규제 의약품 연구

예

미국 FDA 규제 기기 제품 연구

아니

이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .