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The Effect of Preoperative Neoadjuvant Chemotherapy on the ED50 and ED95 of Consciousness Loss During Propofol Anaesthesia Induction in Breast Cancer Patients

The Effect of Preoperative Neoadjuvant Chemotherapy on the ED50 and ED95 of Consciousness Loss During Propofol Anaesthesia Induction in Breast Cancer Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600118136
Enrollment
Unknown
Registered
2026-02-02
Start date
2026-02-02
Completion date
Unknown
Last updated
2026-02-09

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

Conditions

Breast cancer

Interventions

N:Undergo neoadjuvant chemotherapy regimen
C:No intervention measures

Sponsors

Weifang Municipal People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: Age 18–65 years, female. ASA classification I–II. Signing of informed consent.

Exclusion criteria

Exclusion criteria: Allergy to propofol, lipid emulsion, or their excipients. Severe cardiac, pulmonary, hepatic, or renal insufficiency. Long-term use of sedative-hypnotics, opioids, or psychotropic medications. Difficult airway. Neurological disorders or cognitive impairment rendering the patient unable to cooperate with assessment. Pregnant or breastfeeding women. Serious adverse events occurring during the study, deemed unsuitable for continued participation following assessment. Voluntary withdrawal by the patient. Significant deviation from the anaesthetic induction protocol.

Design outcomes

Primary

MeasureTime frame
The ED50 and ED95 values for phenytoin causing loss of consciousness;

Secondary

MeasureTime frame
Blood pressure;Oxygen saturation;Bifrequency Index of Electroencephalogram;Heart rate;

Countries

China

Contacts

Public Contactjifanceng

Weifang Municipal People's Hospital

jifanceng@163.com+86 135 6369 8838

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 15, 2026