Effect of a 20% Reduction in Hyperbaric Bupivacaine Dose on High Spinal Block Incidence in Cesarean Delivery: A Risk-Stratified Randomized Controlled Trial.

Trial statusNot yet recruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexFemale
Age18-45
SponsorAswan University

About this trial

Effect of a 20% Reduction in Hyperbaric Bupivacaine Dose on High Spinal Block Incidence in Cesarean Delivery: A Risk-Stratified Randomized Controlled Trial.

Eligibility criteria

This trial accepts healthy volunteers

Qualifiers

• Pregnant women aged 18-45 years.

ASA physical status II-III.

Disqualifiers

• Twin pregnancies.

Contraindications to spinal anesthesia (e.g., coagulopathy, infection).

Patients with incomplete preoperative data for risk stratification.

Trial design

Design model

Factorial

Treatments tested in this trial

  • Hyperbaric Bupivacaine HCl 0.5% 12.5 mg

    Drug

    1- Standard dose group: receiving the typical dose of hyperbaric bupivacaine (12.5 mg hyperbaric bupivacaine + 25 mcg fentanyl).

  • Hyperbaric Bupivacaine HCl 0.5% 10 mg

    Drug

    2- Reduced dose group: receiving a20% reduced dose of hyperbaric bupivacaine (10 mg hyperbaric bupivacaine + 25 mcg fentanyl).

Treatment groups

333 Participants
are divided into 2 treatment groups
Group A: Standard dose of Hyberbaric Bupivacaine in Elective cesarean sectionActive comparator 1 intervention
Group B: Reduced dose group in Elective cesarean sectionActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

1-Reduced Incidence of HSB

1-reduced Incidence of HSB, defined as a sensory block level exceeding T4 within 15 minutes post-administration, accompanied by hemodynamic instability (e.g., hypotension \>30% below baseline).

Time frame
operation time
2

1-Reduced Incidence of HSB

1-reduced Incidence of HSB, defined as a sensory block level exceeding T4 within 15 minutes post-administration, accompanied by hemodynamic instability (e.g., hypotension \>30% below baseline).

Time frame
first 20 minutes

Secondary outcomes

Other outcomes

Sponsors and contacts

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