A Study to Investigate the Safety and Effectiveness of SAR448851 in Participants With Early Alzheimer's Disease (TREMHANCE)
2026년 8월 7일 업데이트: Sanofi
A Phase 2, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy and Safety of 48-week SAR448851 Treatment Followed by Open-label Extension in Participants With Early Alzheimer's Disease
This is a randomized, placebo-controlled Phase 2 study to evaluate the efficacy and safety of SAR448851 in early Alzheimer's disease (AD) participants. The purpose of this study is to measure efficacy and safety with once daily oral SAR448851 compared to placebo in participants with mild cognitive impairment due to AD or mild AD dementia and with evidence of cerebral amyloid pathology.
This Phase 2 study has 2 parts: Part A is a randomized, double-blind, parallel-group, placebo-controlled study with SAR448851 oral once daily. Part B is an open-label extension. All participants who complete Part A may continue to Part B. An optional dose 2 cohort will be considered to evaluate the efficacy and safety of SAR448851 dose 2 oral once daily.
The study duration will be up to 111 weeks for Part A and B, and up to 63 weeks for the dose 2 cohort. The treatment duration will be up to 96 weeks for Part A and B, and up to 48 weeks for the dose 2 cohort.
Up to 160 participants will be included in this study.
연구 개요
연구 유형
중재적
등록 (추정된)
160
단계
- 2 단계
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
-
-
Florida
-
The Villages, Florida, 미국, 32162
- 모병
- Charter Research - Lady Lake- Site Number : 8400004
-
-
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
- 성인
- 고령자
건강한 자원 봉사자를 받아들입니다
아니
설명
Inclusion Criteria:
- Participant must be 55 to 85 years (inclusive) of age, at the time of signing the informed consent.
- Diagnosis of mild cognitive impairment (MCI) due to Alzheimer's disease (AD) (National Institute on Aging-Alzheimer's Association [NIA-AA] Stage 3) or mild AD dementia (NIA-AA Stage 4).
- Have a global Clinical Dementia Rating (CDR) score 0.5 to 1.0 and a CDR-Memory Box score ≥ 0.5 at screening.
- Have a study partner who must provide separate written informed consent at screening. Study partner should be >18 years of age, have known participant for at least 1 year, and have a minimum of 8 hours per week contact with participant.
- The participant has evidence of cerebral amyloid pathology confirmed by positive visual read on amyloid positron emission tomography (PET) at screening.
Exclusion Criteria:
- The participant has any history of significant neurological disease including but not limited to, frontotemporal dementia, Lewy body dementia, Huntington's disease, serious infection of the brain, Parkinson's disease, multiple concussions, multiple sclerosis, or epilepsy or recurrent seizures (except febrile childhood seizures).
- The participant has evidence of more than 4 microhemorrhages (<10 mm in diameter) or superficial siderosis.
- The participant carries two copies of the apolipoprotein-E epsilon 4 (APOE4) allele (APOE4/4).
- The participant is currently receiving or has previously received any anti-amyloid immunotherapy (including, but not limited to, aducanumab, lecanemab, or donanemab) or triggering receptor expressed on myeloid cells 2 (TREM-2) targeting therapy.
- The participant is currently receiving anticoagulant therapies.
- The participant has had malignancy in the 3 years prior to Screening, excluding basal cell carcinoma, squamous cell carcinoma of the skin, melanoma in situ, Stage 1 or 2 prostate cancer, fully resected renal cell cancers, or cervical carcinoma in situ that has been successfully treated.
The above information is not intended to contain all considerations relevant to a participant'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: 무작위
- 중재 모델: 병렬 할당
- 마스킹: 네 배로
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
|
실험적: SAR448851
Participants will receive SAR448851 dose 1 or dose 2 oral daily for 48 weeks
|
Pharmaceutical form: Capsule Route of administration: Oral
|
|
위약 비교기: Placebo
Participants will receive placebo oral daily for 48 weeks
|
제형: 캡슐 투여 경로: 경구
|
연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Part A and optional dose 2 cohort: change from baseline to Week 48 in plasma p-tau217
기간: From baseline to Week 48
|
From baseline to Week 48
|
|
|
Part B: Number of participants with treatment-emergent adverse events (TEAE), including ARIA-E and ARIA-H by brain MRI, laboratory assessments, vital sign measurements, ECGs and the C-SSRS
기간: From Week 48 to Week 96
|
Number of participants experiencing at least one treatment-emergent adverse event (TEAE), including amyloid-related imaging abnormalities with edema (ARIA-E) and amyloid-related imaging abnormalities with hemosiderin (ARIA-H) by brain magnetic resonance imaging (MRI), laboratory assessments, vital sign measurements, electrocardiograms (ECGs) and the Columbia-Suicide Severity Rating Scale (C-SSRS)
|
From Week 48 to Week 96
|
2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
|
Part A and optional dose 2 cohort: Change from baseline to Week 48 in plasma glial fibrillary acidic protein (GFAP) and cerebrospinal fluid (CSF) neurogranin (Ng)
기간: From baseline to Week 48
|
From baseline to Week 48
|
|
|
Part A and optional dose 2 cohort: Change from baseline to Week 48 in brain amyloid plaque deposition as measured by amyloid positron emission tomography (PET)
기간: From baseline to Week 48
|
From baseline to Week 48
|
|
|
Part A and optional dose 2 cohort: Change from baseline to Week 48 in CSF soluble triggering receptor expressed on myeloid cells 2 (sTREM2)
기간: From baseline to Week 48
|
From baseline to Week 48
|
|
|
Part A and optional dose 2 cohort: Number of participants with TEAEs and serious adverse events (SAEs), and discontinuations due to TEAEs and SAEs (including laboratory assessments, vital sign measurements, ECGs and the C-SSRS)
기간: From baseline to Week 48
|
Number of participants experiencing at least one treatment-emergent adverse event (TEAE), serious adverse event (SAE) or discontinuation due to TEAEs and SAEs (including laboratory assessments, vital sign measurements, electrocardiograms [ECGs] and the Columbia-Suicide Severity Rating Scale [C-SSRS])
|
From baseline to Week 48
|
|
Part A and optional dose 2 cohort: Number of participants with ARIA-E and ARIA-H assessed by brain MRIs
기간: From baseline to Week 48
|
Number of participants with amyloid-related imaging abnormalities with edema (ARIA-E) and amyloid-related imaging abnormalities with hemosiderin (ARIA-H) assessed by brain magnetic resonance imaging (MRI).
ARIA event: adverse event causing brain swelling or bleeding that requires close monitoring.
|
From baseline to Week 48
|
|
Part A and optional dose 2 cohort: Plasma and CSF concentrations of SAR448851
기간: From baseline to Week 48
|
From baseline to Week 48
|
|
|
Part B: Change from baseline to Week 96 in AD biomarkers: plasma p-tau217, plasma GFAP, CSF Ng
기간: From baseline to Week 96
|
Change in Alzheimer's disease (AD) biomarkers: plasma p-tau217, plasma glial fibrillary acidic protein (GFAP) and cerebrospinal fluid (CSF) neurogranin (Ng)
|
From baseline to Week 96
|
|
Part B: Change from Week 48 to Week 96 in AD biomarkers: plasma p-tau217, plasma GFAP, CSF Ng
기간: From Week 48 to Week 96
|
Change in Alzheimer's disease (AD) biomarkers: plasma p-tau217, plasma glial fibrillary acidic protein (GFAP) and cerebrospinal fluid (CSF) neurogranin (Ng)
|
From Week 48 to Week 96
|
공동 작업자 및 조사자
여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.
스폰서
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)
2026년 7월 28일
기본 완료 (추정된)
2029년 7월 31일
연구 완료 (추정된)
2029년 7월 31일
연구 등록 날짜
최초 제출
2026년 6월 30일
QC 기준을 충족하는 최초 제출
2026년 6월 30일
처음 게시됨 (실제)
2026년 7월 7일
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
2026년 8월 10일
QC 기준을 충족하는 마지막 업데이트 제출
2026년 8월 7일
마지막으로 확인됨
2026년 8월 1일
추가 정보
이 연구와 관련된 용어
기타 연구 ID 번호
- ACT23645
- 2025-524581-14 (레지스트리 식별자: CTIS)
- U1111-1328-4936 (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. .