- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT07703670
MicroRNAs as Biomarkers in First Episode Schizophrenia (MIRFEST)
MicroRNAs in Neural-Derived Extracellular Vesicles as Biomarkers in First Episode Schizophrenia
연구 개요
상태
상세 설명
Schizophrenia is a significant psychiatric illness characterized by psychosis, social withdrawal, and cognitive difficulties leading to impaired daily functioning. Diagnosis and treatment assessment remain heavily reliant on clinical interviews, which are subjective and lack objective biological indicators. Previous research has established evidence of miRNA dysregulation in schizophrenia through genome-wide association studies, post-mortem brain tissue analysis, and biological fluid studies. A more recent and promising approach involves measuring miRNAs specifically contained within neural-derived extracellular vesicles (NDEs) isolated from plasma. These NDEs carry brain-specific miRNA cargo and can be identified in peripheral blood, offering a less invasive approach compared to cerebrospinal fluid or brain tissue.
This study addresses the identified knowledge gap by investigating plasma NDE miRNAs as novel diagnostic and treatment response biomarkers specifically in first-episode schizophrenia (FES). The focus on FES participants minimizes confounding effects associated with long-term medication use and extended illness duration. The study employs a 12-week mechanistic clinical trial design with clinical assessments, neurocognitive testing (MATRICS), and blood collection for NDE miRNA sequencing at baseline and 12 weeks. MiRNA sequencing will be performed using Illumina NovaSeq6000 following NDE isolation via L1/NCAM antibody immunoprecipitation. Statistical analysis includes differential expression analysis using DESeq, Binary Elastic Net Regression for feature selection, and machine learning models (random forests, gradient boosting, SVM) for predictive performance assessment.
연구 유형
등록 (추정된)
단계
- 해당 없음
연락처 및 위치
연구 연락처
- 이름: Nicole Montgomery, MD
- 전화번호: 949-486-9390
- 이메일: nmontgomery@northwell.edu
연구 연락처 백업
- 이름: Juan Gallego, MD, MS
- 전화번호: 718-470-4588
- 이메일: NMontgomery@northwell.edu
연구 장소
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New York
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Glen Oaks, New York, 미국, 11004
- 모병
- Zucker Hillside Hospital
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연락하다:
- Nicole Montgomery
- 전화번호: 9494869390
- 이메일: NMontgomery@northwell.edu
-
-
참여기준
자격 기준
공부할 수 있는 나이
- 어린이
- 성인
건강한 자원 봉사자를 받아들입니다
설명
Inclusion Criteria:
- Acute first episode of psychosis with DSM-5 diagnosis of schizophrenia, schizoaffective disorder, schizophreniform disorder, or psychosis Not Otherwise Specified (NOS)
- Current positive symptoms rated ≥4 (moderate) on one or more of these BPRS items: hallucinatory behavior, unusual thought content, grandiosity, conceptual disorganization
- Early phase of illness as defined by having taken antipsychotic drugs for a cumulative lifetime period ≤2 weeks
- Age 15 to 40
- Receiving or about to start naturalistic treatment with either aripiprazole or risperidone
- Full capacity to consent
Exclusion Criteria:
- Participant voluntarily withdraws consent at any given time during the study
- Loss of capacity to consent during the study
- Treating psychiatrist determines that the participant requires an antipsychotic medication other than aripiprazole or risperidone due to adverse effects, poor tolerability, poor response, or any other reason
- The investigator, sponsor, independent safety monitor, or DSMB determines discontinuation is necessary to protect the participant
- Pregnancy is discovered during the study
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 특수 증상
- 할당: 무작위화되지 않음
- 중재 모델: 병렬 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
|---|---|
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실험적: First-Episode Schizophrenia - Aripiprazole/Risperidone
FES participants receiving naturalistic treatment with aripiprazole or risperidone as prescribed by their treating psychiatrist.
Blood samples collected at baseline and week 12 for NDE miRNA analysis.
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Blood samples collected at baseline and week 12 for isolation of neural-derived extracellular vesicles (NDEs) from plasma using L1/NCAM antibody immunoprecipitation, followed by small RNA sequencing on Illumina NovaSeq6000 to identify differentially expressed miRNAs.
Single baseline blood sample collected for DNA extraction and whole genome sequencing to analyze genetic variation associated with psychosis and treatment response.
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활성 비교기: Healthy volunteers
Healthy volunteers providing a single baseline blood sample for NDE miRNA analysis comparison.
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Blood samples collected at baseline and week 12 for isolation of neural-derived extracellular vesicles (NDEs) from plasma using L1/NCAM antibody immunoprecipitation, followed by small RNA sequencing on Illumina NovaSeq6000 to identify differentially expressed miRNAs.
Single baseline blood sample collected for DNA extraction and whole genome sequencing to analyze genetic variation associated with psychosis and treatment response.
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Diagnostic performance of plasma NDE miRNA panel
기간: Baseline (Week 0)
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Sensitivity, specificity, and Area Under the Curve (AUC) of a panel of plasma NDE miRNAs in differentiating acutely psychotic First-Episode Schizophrenia (FES) participants from Healthy Volunteers (HV), assessed using Binary Elastic Net Regression and machine learning models.
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Baseline (Week 0)
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Predictive performance of baseline plasma NDE miRNA levels for treatment response
기간: Baseline NDE miRNAs predicting response at Week 12
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Predictive performance (AUC, accuracy, sensitivity, specificity) of baseline plasma NDE miRNA levels for clinical response to antipsychotic treatment (aripiprazole or risperidone).
Treatment response defined as all 4 BPRS Thought Disturbance factor items below psychotic level (<4) for 2 consecutive ratings with concomitant CGI ratings of much/very much improved.
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Baseline NDE miRNAs predicting response at Week 12
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공동 작업자 및 조사자
스폰서
수사관
- 수석 연구원: Juan Gallego, MD, Northwell Health
연구 기록 날짜
연구 주요 날짜
연구 시작 (추정된)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- R01MH143042 (미국 NIH 보조금/계약)
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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