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Higher-Dose Maintenance With ERZOFRI 351 mg in Adults With Schizophrenia (ELEVATE)

2026년 11월 4일 업데이트: Alejandro Alva

Exploratory Evaluation of ERZOFRI (Paliperidone Palmitate) 351 mg Q4W Maintenance in Higher-Need Patients With Schizophrenia: Clinical Global Improvement, Drug-Induced Parkinsonism, and Sexual Dysfunction Outcomes Over a 3-Month Treatment Period

This is a prospective, multicenter, open-label, single-arm study evaluating ERZOFRI (paliperidone palmitate) 351 mg administered every 4 weeks as maintenance treatment in approximately 40 adults with schizophrenia who experience symptom worsening before their next scheduled monthly injection despite receiving paliperidone palmitate 234 mg every 4 weeks.

Participants will receive ERZOFRI 351 mg on Day 1, Week 4, and Week 8 and will complete an end-of-study assessment at Week 12. The study will evaluate changes in clinical severity over 12 weeks and will also assess movement-related side effects and sexual functioning.

연구 개요

상태

아직 모집하지 않음

정황

개입 / 치료

연구 유형

중재적

등록 (추정된)

40

단계

  • 4단계

연락처 및 위치

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

연구 연락처

연구 장소

    • California
      • Orange, California, 미국, 92866
        • ATP Clinical Research
        • 연락하다:
        • 수석 연구원:
          • Alejandro Alva, MD
    • Florida
      • Miami, Florida, 미국, 33127
        • Passageway Residences of Dade County
        • 수석 연구원:
          • Ilan Melnick, MD
    • Illinois
      • Chicago, Illinois, 미국, 60641
        • Pillar Clinical Research
        • 수석 연구원:
          • Roueen Rafeyan, MD

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

18년 (성인, 고령자)

건강한 자원 봉사자를 받아들입니다

아니

연구 대상 성별

모두

설명

Inclusion Criteria:

  1. Adults aged 18-65 years with a DSM-5 diagnosis of schizophrenia.
  2. Currently receiving monthly paliperidone palmitate long-acting injectable (INVEGA SUSTENNA or ERZOFRI) at a dose of 234 mg every 4 weeks (Q4W) for at least 3 consecutive months before Screening.
  3. Clinician-documented symptom breakthrough, destabilization, or functional deterioration occurring before the scheduled 4-week injection interval during at least 2 of the 3 most recent monthly injection cycles (not necessarily consecutive). Documentation may include progress notes indicating symptom worsening in the final week before the next injection, unscheduled clinic or emergency department visits for psychiatric symptoms, as-needed medication use for breakthrough psychosis, or clinician judgment based on longitudinal care.
  4. Documented prior tolerability to oral paliperidone or oral risperidone.
  5. Clinical Global Impression-Severity (CGI-S) score ≥3 (mildly ill) and ≤6 (severely ill) at Baseline.
  6. Able and willing to independently provide written informed consent.

Exclusion Criteria:

  1. Known hypersensitivity to paliperidone, risperidone, or any ERZOFRI formulation excipient.
  2. Renal impairment, defined as creatinine clearance (CrCl) <50 mL/min.
  3. Hemoglobin A1c (HbA1c) ≥7.0% at Screening.
  4. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥2 times the upper limit of normal (ULN) at Screening.
  5. Body mass index (BMI) >43 kg/m² at Screening.
  6. QT interval corrected using Fridericia's formula (QTcF) >450 milliseconds (ms) for males or >470 ms for females at Screening. A QTcF ≥480 ms is exclusionary regardless of sex.
  7. Other clinically significant electrocardiogram abnormalities, including serious ventricular arrhythmias, clinically significant conduction abnormalities, or evidence of unstable cardiovascular disease, as determined by the investigator.
  8. Other metabolic abnormalities or medical conditions that, in the investigator's judgment, represent active, uncontrolled disease that could compromise participant safety or suitability for study participation.
  9. Current or recent (within the past 30 days) participation in another interventional clinical trial.
  10. Severe substance use disorder within the past 6 months, according to DSM-5 criteria.
  11. Pregnant or breastfeeding women, or women of childbearing potential who are unwilling or unable to comply with protocol-specified contraception requirements throughout study participation and for 45 days following the final study injection.
  12. History of neuroleptic malignant syndrome (NMS) or tardive dyskinesia (TD) requiring treatment discontinuation.
  13. Current use of strong CYP3A4 and/or P-glycoprotein (P-gp) inducers, including carbamazepine, rifampin, or St. John's Wort.
  14. Imminent risk of harm to self or others, as assessed by the investigator.

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: ERZOFRI 351 mg Q4W

Participants will receive ERZOFRI 351 mg by intramuscular injection on Day 1, Week 4, and Week 8, followed by an end-of-study assessment at Week 12.

Paliperidone palmitate extended-release injectable suspension (ERZOFRI) 351 mg administered by intramuscular injection on Day 1, Week 4, and Week 8. The Day 1 injection will be administered in the deltoid muscle; subsequent injections may be administered in the deltoid or gluteal muscle.

다른 이름들:
  • ERZOFRI

연구는 무엇을 측정합니까?

주요 결과 측정

결과 측정
측정값 설명
기간
Mean Change From Baseline to Week 12 in Clinical Global Impression-Severity (CGI-S) Score
기간: Baseline (Day 1) and Week 12

Change in clinician-rated CGI-S score from Baseline (Day 1) to Week 12. The CGI-S is a 7-point scale assessing overall severity of mental illness, ranging from 1 (normal, not at all ill) to 7 (among the most extremely ill patients). Negative changes from baseline indicate improvement.

Baseline (Day 1) and Week 12

2차 결과 측정

결과 측정
측정값 설명
기간
Patient Clinical Global Impression-Improvement (PCGI-I) Response
기간: Weeks 4, 8, and 12

Proportion of participants reporting a PCGI-I score ≤2 ("much improved" or "very much improved"). The PCGI-I is a 7-point patient-reported measure of perceived global improvement, ranging from 1 (very much improved) to 7 (very much worse). Lower scores indicate greater improvement.

Weeks 4, 8, and 12
Change From Baseline in Simpson-Angus Scale (SAS) Total Score
기간: Baseline, Week 4, Week 8, and Week 12

Change from baseline in total SAS score. The SAS is a 10-item clinician-rated scale assessing parkinsonian signs. Each item is scored from 0 (normal) to 4 (extreme), with total scores ranging from 0 to 40; higher scores indicate greater severity of parkinsonian symptoms.

Baseline, Week 4, Week 8, and Week 12
Change From Baseline in Abnormal Involuntary Movement Scale (AIMS) Items 1-7 Total Score
기간: Baseline, Week 4, Week 8, and Week 12

Change from baseline in the total score for AIMS Items 1-7. The AIMS is a clinician-rated scale assessing involuntary movements involving the facial/oral regions, extremities, and trunk. Items 1-7 are each scored from 0 (none) to 4 (severe), with higher scores indicating greater severity of involuntary movements. The total score for Items 1-7 ranges from 0 to 28.

Baseline, Week 4, Week 8, and Week 12
Correlation Between Serum Prolactin Concentration and Arizona Sexual Experience Scale (ASEX) Total Score
기간: Week 12

Correlation between serum prolactin concentration (ng/mL) and sexual dysfunction assessed using the Arizona Sexual Experience Scale (ASEX) at Week 12. The ASEX is a five-item questionnaire with total scores ranging from 5 to 30; higher scores indicate greater sexual dysfunction. The relationship will be evaluated using Pearson or Spearman correlation coefficients, as appropriate.

Week 12
Clinical Global Impression-Improvement (CGI-I) Response
기간: Weeks 4, 8, and 12

Proportion of participants achieving a CGI-I score ≤2 ("much improved" or "very much improved"). The CGI-I is a 7-point clinician-rated scale assessing overall clinical improvement relative to baseline, ranging from 1 (very much improved) to 7 (very much worse). Lower scores indicate greater improvement.

Weeks 4, 8, and 12
Change From Baseline in Arizona Sexual Experience Scale (ASEX) Total Score
기간: Baseline, Weeks 4, 8, and 12

Change from baseline in ASEX total score at Weeks 4, 8, and 12. The ASEX is a five-item questionnaire assessing sexual functioning, with total scores ranging from 5 to 30. Higher scores indicate greater sexual dysfunction.

Baseline, Weeks 4, 8, and 12

기타 결과 측정

결과 측정
측정값 설명
기간
Number of Participants With Treatment-Emergent Adverse Events (TEAEs)
기간: Day 1 through Week 12

Number and proportion of participants experiencing treatment-emergent adverse events during the study, with adverse event severity summarized.

Day 1 through Week 12
Change From Screening to Week 12 in Serum Prolactin Concentration
기간: Screening and Week 12

Change in serum prolactin concentration (ng/mL) from Screening to Week 12 during treatment with ERZOFRI 351 mg Q4W.

Screening and Week 12
Mean Change From Baseline in Fasting Glucose
기간: Baseline and Week 12

Change from baseline to Week 12 in fasting blood glucose concentration, measured in mg/dL.

Baseline and Week 12
Injection-Site Pain Severity Score
기간: Day 1, Weeks 4 and 8

Severity of injection-site pain following ERZOFRI administration, assessed by the investigator using an 11-point numerical rating scale ranging from 0 (no pain) to 10 (most severe pain). Higher scores indicate greater severity.

Day 1, Weeks 4 and 8
Mean Change From Baseline in QTcF Interval
기간: Baseline, Weeks 4, 8, and 12

Change from baseline in the QT interval corrected using Fridericia's formula (QTcF), measured in milliseconds (ms), as assessed by 12-lead electrocardiogram (ECG).

Baseline, Weeks 4, 8, and 12
All-Cause Study Discontinuation
기간: Day 1 through Week 12

Number and proportion of participants who discontinue the study before Week 12, with reasons for discontinuation summarized.

Day 1 through Week 12
Symptom Breakthrough Before the 4-Week Injection Interval
기간: Day 1 through Week 12

Proportion of participants experiencing symptom breakthrough before the scheduled 4-week injection interval during the study period, compared with their documented pre-enrollment rate of symptom breakthrough.

Day 1 through Week 12
Number of Unscheduled Clinic Visits for Psychiatric Symptoms
기간: Day 1 through Week 12

Total number of unscheduled clinic visits related to psychiatric symptoms occurring during the 12-week study period.

Day 1 through Week 12
Mean Change From Baseline in Body Weight
기간: Baseline and Week 12

Change from baseline to Week 12 in body weight, measured in kilograms (kg).

Baseline and Week 12
Mean Change From Baseline in Body Mass Index (BMI)
기간: Baseline and Week 12

Change from baseline to Week 12 in body mass index (BMI), calculated as body weight in kilograms divided by height in meters squared (kg/m²).

Baseline and Week 12
Mean Change From Baseline in Waist Circumference
기간: Baseline and Week 12

Change from baseline to Week 12 in waist circumference, measured in centimeters (cm).

Baseline and Week 12
Mean Change From Baseline in Total Cholesterol
기간: Baseline and Week 12

Change from baseline to Week 12 in serum total cholesterol concentration, measured in mg/dL.

Baseline and Week 12
Mean Change From Baseline in HDL Cholesterol
기간: Baseline and Week 12

Change from baseline to Week 12 in high-density lipoprotein (HDL) cholesterol concentration, measured in mg/dL.

Baseline and Week 12
Mean Change From Baseline in LDL Cholesterol
기간: Baseline and Week 12

Change from baseline to Week 12 in low-density lipoprotein (LDL) cholesterol concentration, measured in mg/dL.

Baseline and Week 12
Mean Change From Baseline in Triglycerides
기간: Baseline and Week 12

Change from baseline to Week 12 in serum triglyceride concentration, measured in mg/dL.

Baseline and Week 12
Injection-Site Swelling Severity Score
기간: Day 1, Weeks 4 and 8

Severity of injection-site swelling following ERZOFRI administration, assessed by the investigator using an 11-point numerical rating scale ranging from 0 (no swelling) to 10 (most severe swelling). Higher scores indicate greater severity.

Day 1, Weeks 4 and 8
Injection-Site Redness Severity Score
기간: Day 1, Weeks 4 and 8

Severity of injection-site redness following ERZOFRI administration, assessed by the investigator using an 11-point numerical rating scale ranging from 0 (no redness) to 10 (most severe redness). Higher scores indicate greater severity.

Day 1, Weeks 4 and 8
Number of Emergency Department Visits for Psychiatric Symptoms
기간: Day 1 through Week 12

Total number of emergency department visits related to psychiatric symptoms occurring during the 12-week study period.

Day 1 through Week 12
Number of Psychiatric Hospitalizations
기간: Day 1 through Week 12

Total number of psychiatric hospitalizations occurring during the 12-week study period.

Day 1 through Week 12

공동 작업자 및 조사자

여기에서 이 연구와 관련된 사람과 조직을 찾을 수 있습니다.

스폰서

협력자

수사관

  • 수석 연구원: Alejandro Alva, MD, PNS Clinical Research LLC dba ATP Clinical Research

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 (추정된)

2026년 12월 1일

기본 완료 (추정된)

2027년 12월 1일

연구 완료 (추정된)

2027년 12월 1일

연구 등록 날짜

최초 제출

2026년 10월 9일

QC 기준을 충족하는 최초 제출

2026년 11월 4일

처음 게시됨 (실제)

2026년 11월 10일

연구 기록 업데이트

마지막 업데이트 게시됨 (실제)

2026년 11월 10일

QC 기준을 충족하는 마지막 업데이트 제출

2026년 11월 4일

마지막으로 확인됨

2026년 11월 1일

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