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The 90% minimum effective volume of 0.5 ropivacaine for ultrasound-guided supraclavicular brachial plexus block: A biased coin up-and-down design

The 90% minimum effective volume of 0.5 ropivacaine for ultrasound-guided supraclavicular brachial plexus block: A biased coin up-and-down design

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300068072
Enrollment
Unknown
Registered
2023-02-06
Start date
2023-02-08
Completion date
Unknown
Last updated
2023-05-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nerve block

Interventions

All patients:0.5% ropivacaine

Sponsors

The First Affiliated Hospital of Dali University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: The inclusion criteria was patients aged from 18 to 64, whether male or female and meeting the standards for the American Society of Anesthesiologists (ASA) grade I to II.

Exclusion criteria

Exclusion criteria: Use of non-steroidal anti-inflammatory or opioid drugs during the last 2 weeks prior to the study or with a history of diabetes, psychiatric or neurological disorder, or coagulopathies.

Design outcomes

Primary

MeasureTime frame
The brachial plexus nerve controls sensation in the area;—

Secondary

MeasureTime frame
The brachial plexus controls movement in the area;—

Countries

China

Contacts

Public ContactQinghang Xuan

The First Affiliated Hospital of Dali University

xuanqinghang@163.com+86 152 5306 6603

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026