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Suzetrigine for Opioid-Sparing Postoperative Analgesia Following Transvaginal Pelvic Reconstructive Surgery

2026年9月10日 更新者:Anne Lenore Ackerman、University of California, Los Angeles
Suzetrigine is a selective NaV1.8 inhibitor that provides peripheral analgesia without opioid-related CNS effects. This single-center stepped-wedge randomized clinical trial evaluates whether a suzetrigine-based postoperative analgesic regimen provides non-inferior pain control compared with standard opioid-inclusive care following transvaginal pelvic reconstructive surgery. The study will enroll 120 participants and assess pain, opioid consumption, adverse events, and functional recovery.

研究概览

地位

尚未招聘

条件

干预/治疗

详细说明

Suzetrigine has demonstrated analgesic efficacy comparable to hydrocodone/acetaminophen in Phase III trials and is FDA-approved for acute pain. This trial represents the first evaluation of a NaV1.8 inhibitor in pelvic reconstructive surgery. Participants will receive either suzetrigine or standard opioid-inclusive postoperative care according to a stepped-wedge randomization schedule. Pain scores, medication use, and adverse events will be collected at 48 hours, 1 week, and 6 weeks postoperatively.

研究类型

介入性

注册 (估计的)

120

阶段

  • 第四阶段

联系人和位置

本节提供了进行研究的人员的详细联系信息,以及有关进行该研究的地点的信息。

学习联系方式

研究联系人备份

学习地点

    • California
      • Los Angeles、California、美国、90095
        • University of California, Los Angeles (UCLA)

参与标准

研究人员寻找符合特定描述的人,称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

  • 成人
  • 年长者

接受健康志愿者

不

描述

Inclusion Criteria:

  • Age ≥ 18 years.
  • Undergoing elective transvaginal pelvic reconstructive surgery at UCLA with planned same-day discharge or 23-hour observation.
  • Able to provide written informed consent.

Exclusion Criteria:

  • Chronic opioid use.
  • Liver failure.
  • End-stage renal disease (ESRD).
  • Chronic pain syndromes, including:

Fibromyalgia Interstitial cystitis Chronic pelvic pain

  • Contraindication to acetaminophen or ibuprofen.
  • Use of strong CYP3A4 inhibitors within 7 days prior to surgery or anticipated need during the treatment period.

学习计划

本节提供研究计划的详细信息,包括研究的设计方式和研究的衡量标准。

研究是如何设计的?

设计细节

  • 主要用途:治疗
  • 分配:随机化
  • 介入模型:顺序分配
  • 屏蔽:单身的

武器和干预

参与者组/臂
干预/治疗
实验性的:Suzetrigine-Based Regimen
Participants receive suzetrigine as part of a multimodal postoperative analgesic regimen. Suzetrigine is administered as a loading dose on the morning of surgery followed by twice-daily dosing for 7 days, in combination with scheduled acetaminophen and ibuprofen.

Loading dose: 100 mg orally on the morning of surgery

Maintenance dose: 50 mg orally every 12 hours for 7 days

Co-administered medications: Scheduled acetaminophen and ibuprofen

Mechanism: Selective NaV1.8 sodium channel inhibitor acting on peripheral nociceptive neurons

Purpose: Opioid-sparing postoperative analgesia

Participants in both study arms will receive scheduled acetaminophen and ibuprofen as part of standard multimodal postoperative analgesia. These medications are administered routinely following transvaginal pelvic reconstructive surgery to reduce baseline pain, minimize opioid requirements, and support enhanced recovery.
有源比较器:Standard Opioid-Inclusive Analgesic Regimen
Participants receive standard postoperative pain management consisting of scheduled acetaminophen and ibuprofen, with opioid analgesics available as needed per routine clinical care.
Participants in both study arms will receive scheduled acetaminophen and ibuprofen as part of standard multimodal postoperative analgesia. These medications are administered routinely following transvaginal pelvic reconstructive surgery to reduce baseline pain, minimize opioid requirements, and support enhanced recovery.

Tramadol: 50 mg orally every 4-6 hours as needed OR

Oxycodone: 5 mg orally every 4-6 hours as needed

Co-administered medications: Scheduled acetaminophen and ibuprofen

Purpose: Standard postoperative analgesia per institutional protocol

研究衡量的是什么?

主要结果指标

结果测量
措施说明
大体时间
Pain intensity (0-10 NRS) at 48 hours postoperatively
大体时间:48 hours postoperatively
Patient-reported postoperative pain intensity measured using the 0-10 Numerical Rating Scale (NRS).
48 hours postoperatively

次要结果测量

结果测量
措施说明
大体时间
Pain Intensity at 1 Week
大体时间:1 week after surgery
Patient-reported pain intensity using the 0-10 NRS.
1 week after surgery
Time to Rescue Analgesia in PACU
大体时间:During stay in post-anesthesia care unit, measured in hours up to 23 hours
Time from arrival in the post-anesthesia care unit to first administration of rescue analgesic medication.
During stay in post-anesthesia care unit, measured in hours up to 23 hours
Post-Discharge Opioid Use
大体时间:Postoperative days 0-7
Total opioid consumption after discharge, measured in morphine milligram equivalents (MME).
Postoperative days 0-7
Post-Discharge Gabapentin Use
大体时间:Postoperative days 0-7
Any gabapentin or pregabalin use after discharge.
Postoperative days 0-7
Constipation
大体时间:Up to 1 week postoperatively

Time to first bowel movement

Additional bowel regimen use

Up to 1 week postoperatively
Nausea and Vomiting
大体时间:Up to 1 week postoperatively
Incidence of postoperative nausea or vomiting reported by participants.
Up to 1 week postoperatively
Dizziness or Lightheadedness
大体时间:Up to 1 week postoperatively
Incidence of postoperative dizziness or lightheadedness.
Up to 1 week postoperatively
Time to Return to Driving
大体时间:Up to 6 weeks
Number of days from surgery until the participant reports resuming driving.
Up to 6 weeks
Time to Return to Work
大体时间:Up to 6 weeks
Number of days from surgery until the participant reports returning to work.
Up to 6 weeks
Postoperative Patient-Initiated Communication Burden
大体时间:Up to 6 weeks
Number of patient-initiated messages, calls, or portal contacts related to postoperative pain or medication concerns.
Up to 6 weeks

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

调查人员

  • 首席研究员:A Lenore Ackeman, MD, PhD、University of California, Los Angeles

出版物和有用的链接

负责输入研究信息的人员自愿提供这些出版物。这些可能与研究有关。

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查,以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (估计的)

2026年11月1日

初级完成 (估计的)

2027年7月1日

研究完成 (估计的)

2028年7月1日

研究注册日期

首次提交

2026年5月11日

首先提交符合 QC 标准的

2026年5月15日

首次发布 (实际的)

2026年5月22日

研究记录更新

最后更新发布 (实际的)

2026年9月15日

上次提交的符合 QC 标准的更新

2026年9月10日

最后验证

2026年9月1日

更多信息

与本研究相关的术语

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)?

不

IPD 计划说明

The investigators do not plan to share individual participant data (IPD). Due to the sensitive nature of postoperative clinical data and institutional policies regarding patient privacy, de-identified datasets will not be made available. Study findings will be disseminated through aggregate results posted on ClinicalTrials.gov and peer-reviewed publications.

药物和器械信息、研究文件

研究美国 FDA 监管的药品

是的

研究美国 FDA 监管的设备产品

不

在美国制造并从美国出口的产品

不

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