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正在招募不适用编号 NCT07216820

Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure

报名条件（概要）

  • 年龄：18 Years – 不限
  • 性别：不限
  • 健康志愿者：不接受

完整入排标准请以官方页面为准。

开展国家/地区

United States

药品与企业信息

Ultrasound-Guided Interscalene Brachial Plexus Block治疗操作

Single 16 mL injection (15 mL 0.5 % bupivacaine + 1 mL dexamethasone 4 mg) at the C5-C6 root level under ultrasound guidance. Performed pre-operatively as standard care for shoulder surgery. Arm Cross-Reference: Standard Interscalene Block (Control)

Phrenic-Sparing Block Combination (Experimental)治疗操作

Infraclavicular: 15 mL (75 mg) 0.5 % bupivacaine + 1 mL dexamethasone (4 mg) injected around the cords of the brachial plexus beneath the clavicle under ultrasound guidance. Distal Suprascapular: 12 mL (60 mg) 0.5 % bupivacaine + 1 mL (4 mg) dexamethasone injected at the suprascapular notch under ultrasound guidance to provide complete shoulder coverage while minimizing phrenic nerve involvement. Total local anesthetic dose = 135 mg bupivacaine + 8 mg dexamethasone. Arm Cross-Reference: Phrenic-Sparing Block Combination (Experimental)

Bupivacaine HCl 0.5% Injectable Solution药物

其他名称：Bupivacaine Hydrochloride Injection

Infraclavicular: Adminstered as 15 mL (75 mg) injection (together with dexamethasone). Distal Suprascapular: Adminstered as 12 mL (60 mg) injection (together with dexamethasone).

Dexamethasone 4mg药物

其他名称：Decadron, Dexamethasone Intensol, De-Sone LA, Dxevo, Dexacorten

Adminstered as applicable for infraclavicular and distal suprascapular: as 1 mL (4 mg) injection (together with bupicacaine 0.5%).

研发企业

University of North Carolina, Chapel Hill研究机构/其他

试验官方登记的主要申办方；研究机构申办时会显示相应机构名称。

生产企业

公开药品批准资料或正式说明书暂未提供明确的生产企业信息。

合作机构

  • American Society of Regional Anesthesia研究机构/其他

研发企业与生产企业可能不是同一家。研究阶段药品可能尚未公布生产企业；生产企业仅取自美国上市原研药说明书所列企业（不含仿制药），不作推测；仅在其他国家上市的药品暂无法显示。

研究简介（原文）

The goal of this clinical trial is to learn whether a phrenic-sparing nerve block can lower early breathing problems after shoulder surgery in adults with obesity, and whether a simple breathing-strength test (maximum inspiratory pressure, MIP) helps identify who is at higher risk. The main questions are: Does the phrenic-sparing approach reduce breathlessness or oxygen need in the recovery room (30-60 minutes after arrival)? Do patients have similar pain control and opioid use compared with the standard interscalene block (ISB)? Are there any breathing-related complications or unplanned admissions within 24 hours? Researchers will compare the phrenic-sparing block (infraclavicular + distal suprascapular) to the standard ISB, both commonly used at UNC. Participants will: Have a quick MIP breath test before surgery (and, if age ≥65, a brief thigh muscle ultrasound). Be randomly assigned to receive either the standard ISB or the phrenic-sparing block (both ultrasound-guided and part of routine care). Receive usual anesthesia/surgery; have a brief recovery check at 30-60 minutes (breathlessness score, oxygen use, oxygen level). Have pain medicines recorded from anesthesia start to PACU discharge; the team may review the chart up to 24 hours and make a short follow-up call (24-48 hours).

适应症

Shoulder SurgeryObesity

主动联系研究团队

这项试验目前在中国大陆没有研究中心

这种情况下，直接发"入组咨询"往往会被回复"您所在地区没有中心"。更有效的做法是申请同情用药／扩展准入（由主治医生一同提出），或询问能否到最近的境外中心参加。下面已为您切换到对应的信件版本。

查看完整申请路径与成功率说明 →

总联系人（申办方／研究总部）

研究中心联系方式

问自己是否符合条件、如何预筛

我的病情档案

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英文版（发给研究团队）

Dear Study Team,

I am a patient in China and I am interested in participating in your clinical trial:

Study Title: Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure
ClinicalTrials.gov Identifier: NCT07216820
Sponsor: University of North Carolina, Chapel Hill
Investigational product: Ultrasound-Guided Interscalene Brachial Plexus Block, Phrenic-Sparing Block Combination (Experimental), Bupivacaine HCl 0.5% Injectable Solution, Dexamethasone 4mg

About me:
- Age: (please fill in)
- Sex: (please fill in)
- Confirmed diagnosis and stage: (please fill in)
- Biomarkers / genetic testing: not available
- Prior and current treatments: (please fill in)
- Performance status (ECOG): not assessed
- Current location: China
- Travel ability: (please fill in)

Could you please let me know:
1. Whether I might be eligible for this study;
2. Which site would be closest and most practical for me, and whether remote pre-screening is possible;
3. What documents (medical records, pathology or imaging reports, recent labs) I should prepare for pre-screening.

I can provide English translations of my medical records. Thank you very much for your time and help.

Kind regards,
(your name)
(your email / phone with country code)

中文对照（供您核对）

尊敬的研究团队：

我是一位来自中国的患者，希望咨询参加以下临床试验的可能：

研究名称：Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure
试验编号：NCT07216820
申办方：University of North Carolina, Chapel Hill
研究药物：Ultrasound-Guided Interscalene Brachial Plexus Block、Phrenic-Sparing Block Combination (Experimental)、Bupivacaine HCl 0.5% Injectable Solution、Dexamethasone 4mg

我的基本情况：
- 年龄：（请填写）
- 性别：（请填写）
- 确诊疾病与分期：（请填写）
- 基因／标志物检测：暂无
- 既往及当前治疗：（请填写）
- 体能状态（ECOG）：未评估
- 目前所在城市：中国
- 可前往范围：（请填写）

想请教三个问题：
1. 我是否可能符合本研究的入组标准？
2. 哪个中心对我最方便可行？能否远程预筛？
3. 预筛需要准备哪些资料（病历、病理、影像、近期化验）？

我可以提供英文翻译版病历。感谢您的时间与帮助。

顺祝安康
（您的姓名）
（您的邮箱／带国际区号的电话）
用邮件客户端发送给 mnanda@aims.unc.edu

提示：请与主治医生一起发信——由医生署名的申请，回复率远高于患者单独发信。首封邮件不要附身份证号等敏感信息。研究团队通常在 3–10 个工作日内回复，两周无回音可礼貌追问一次。

下一步怎么做？

  1. 把本页信息带给您的主治医生，评估是否适合参加。
  2. 点击下方按钮打开官方注册页，查看研究中心联系方式。
  3. 直接联系研究团队咨询报名事宜（通常有中文同声翻译服务可协助沟通）。
在 ClinicalTrials.gov 查看官方页面