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Comparing the effect of intrathecal 0.75% Isobaric Ropivacaine versus intrathecal 0.5% Hyperbaric bupivacaine in ceasarean section

Comparing the effect of Intrathecal 0.75% Isobaric Ropivacaine versus Intrathecal 0.5% Hyperbaric Bupivacaine in Cesarean section

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20260122010
Enrollment
108
Registered
2026-01-22
Start date
2026-01-19
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Hemodynamic instability (maternal hypotension) associated with spinal anesthesia in cesarean delivery. Cesarean Section Spinal Anesthesia Ropivacaine Bupivacaine Local Anesthetics Maternal hypotension

Interventions

Spinal anesthesia with 0.75% Isobaric Ropivacaine 20-25 mg add morphine 0.15 mg,Spinal anesthesia with 0.5% Hyperbaric Bupivacaine 10-12 mg add morphine 0.15 mg
Experimental Drug,Active Comparator Drug

Sponsors

None listed

Eligibility

Sex/Gender
Female
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1.Patients scheduled for elective cesarean section under spinal anesthesia. 2.Age between 18 and 35 years. 3.American Society of Anesthesiologists (ASA) physical status I or II. 4.Term pregnancy 5.Singleton pregnancy. 6.Voluntarily provides written informed consent to participate in the study.

Exclusion criteria

Exclusion criteria: 1.Patients with a history of allergy or adverse reaction to local anesthetic agents used for regional anesthesia. 2.Patients with contraindications to spinal anesthesia with local anesthetic and intrathecal morphine. 3.Patients with obstetric risk factors such as preeclampsia or placenta previa. 4.Patients with chronic pain or a history of continuous opioid use. 5.Patients who are unable to communicate primarily in Thai. 6.Patients with a body mass index (BMI) more than 40. 7.Patients who decline to participate in the study.

Design outcomes

Primary

MeasureTime frame
maternal hypotension 2 hours maternal blood pressure

Secondary

MeasureTime frame
Maternal bradycardia 2 hours maternal heart rate,Need for vasopressor use 2 hours dose of vasopressor,Duration of blockade 24 hours time of blockade regression,Neonatal outcome 1 and 5 minutes after birth APGAR score

Countries

Thailand

Contacts

Public ContactPhanuthep Chintanakul

Department of anesthesiology , faculty of medicine , Chulalongkorn university

phanuthep111@gmail.com022564000

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026