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Effect of Intravenous Lidocaine on the ED50 of Alfentanil Used in Outpatient Abortion Surgery

Effect of Intravenous Lidocaine on the ED50 of Alfentanil Used in Outpatient Abortion Surgery

Status
Recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2100044268
Enrollment
Unknown
Registered
2021-03-14
Start date
2021-03-13
Completion date
Unknown
Last updated
2021-08-30

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

Conditions

Outpatient abortion surgery

Interventions

Group A8:Alfentanil13ug/kg + propofol 2.0mg/kg
Group A9:Alfentanil15.5ug/kg + propofol 2.0mg/kg
Group L1:Alfentanil 3.6ug/kg + propofol 2.0mg/kg + lidocaine 1mg/kg
Group L2:Alfentanil 4.3ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L3:Alfentanil 5.2ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group A1:Alfentanil3.6ug/kg + propofol 2.0mg/kg
Group A2:Alfentanil4.3ug/kg + propofol 2.0mg/kg
Group A3:Alfentanil5.2ug/kg + propofol 2.0mg/kg
Group A4:Alfentanil6.2ug/kg + propofol 2.0mg/kg
Group A5:Alfentanil 7.5ug/kg + propofol 2.0mg/kg
Group A6:Alfentanil9.0ug/kg + propofol 2.0mg/kg
Group A7:Alfentanil10.8ug/kg + propofol 2.0mg/kg
Group L4:Alfentanil 6.2ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L5:Alfentanil 7.5ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L6:Alfentanil 9.0ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L7:Alfentanil 10.8ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L8:Alfentanil 13ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg
Group L9:Alfentanil 15.5ug/kg + propofol 2.0mg/kg + lidocaine 1.0mg/kg

Sponsors

Yuhang District Women and Children Care Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 45 Years

Inclusion criteria

Inclusion criteria: Agree to participate this study; aged 18-40 years; BMI18-28; ASAI grade-II female patients; within 60 days of Pregnancy; planned to undergo painless artificial abortion surgery.

Exclusion criteria

Exclusion criteria: Severe cardiovascular and cerebrovascular diseases; hepatitis; kidney disease, severe anemia and malnutrition; history of endocrine disease; history of chronic pain; history of mental illness or psychotropic drug dependence, patients who are allergic to alfentanil, propofol and lidocaine.

Design outcomes

Primary

MeasureTime frame
Body movement response;Vital signs;Drug dosage;Waking time;

Countries

China

Contacts

Public ContactLinda Jin

Yuhang District Women and Children Care Hospital

littledandan_927@sina.com+86 15967106092

Outcome results

None listed

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