A comparative study of equivalent doses of fentanyl and alfentanil in outpatient abortion surgery

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100046104

Enrollment

Unknown

Registered

2021-05-04

Start date

2021-05-28

Completion date

Unknown

Last updated

2021-12-21

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

Conditions

Outpatient abortion surgery

Interventions

AF group :Alfentanil 12.2ug/kg + propofol 2.0mg/kg

A group :Fentanil (x)ug/kg + propofol 2.0mg/kg

Eligibility

Sex/Gender

Female

Age

18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.Agree to this study; 2.Aged 18-40 years; 3.BMI18-28; 4.ASA I grade-II female patients; 5.Within 60 days of pregnancy; 6.Planned to undergo painless artificial abortion surgery.

Exclusion criteria

Exclusion criteria: 1.Severe cardiovascular and cerebrovascular diseases; 2.Hepatitis; 3.Kidney disease, severe anemia and malnutrition; 4.History of endocrine disease; 5.History of chronic pain; 6.History of mental illness or psychotropic drug dependence, 5.Patients who are allergic to alfentanil, propofol and lidocaine.

Design outcomes

Primary

Measure	Time frame
Heart rate, blood pressure;Oxygen saturation;Pain score;Awake time;Pain score;Respiratory depression;Drug addition;Inhibition of number;	—

Countries

China

Contacts

Public ContactJin Lidan

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