Chloroprocaine 1% Versus Ropivacaine 0,75% During Cesarean Section
annie-mariana
Intrathecal Use of Chloroprocaine 1% and Ropivacaine 0,75% During Elective Cesarean Section. A Comparative Study
1 other identifier
interventional
60
1 country
1
Brief Summary
This will be a prospective randomized study, aiming at comparing an intrathecal fixed dose of chloroprocaine 1% versus an intrathecal fixed dose of ropivacaine 0.75% in elective cesarean sections
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for not_applicable
Started Jan 2024
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 10, 2024
CompletedFirst Submitted
Initial submission to the registry
April 17, 2024
CompletedFirst Posted
Study publicly available on registry
April 19, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 10, 2026
CompletedStudy Completion
Last participant's last visit for all outcomes
January 10, 2026
CompletedJuly 22, 2025
July 1, 2025
2 years
April 17, 2024
July 20, 2025
Conditions
Outcome Measures
Primary Outcomes (18)
Time from spinal anesthesia to T10 block (min)
time required from spinal anesthetic injection to anesthetic block up to the 10th thoracic neurotome
intraoperative
Time from spinal anesthesia to T4 block (min)
time required from spinal anesthetic injection to anesthetic block up to the 4th thoracic neurotome
intraoperative
Time of spinal anesthesia to Bromage =3
time required from spinal anesthetic injection to complete motor block (Bromage scale=3, where Bromage=0, no block; Bromage=1, partial block; Bromage=2, almost complete block; Bromage=3, complete block
intraoperative
level of sensory block every 3 min
measurement of sensory block every 3 minutes after spinal anesthesia during the first 15 minutes
intraoperative
level of sensory block every 15 min
measurement of sensory block every 15 minutes from spinal anesthesia to the end of the surgery
intraoperative
highest level of sensory block
measurement of the highest level of sensory block after intrathecal infusion of local anesthetic
intraoperative
time from spinal anesthesia to highest level of sensory block
time from the performance of spinal anesthesia to the highest level of sensory block
intraoperative
duration of sensory block
measurement of time required for the sensory block to regress from sensory level T4 to sensory level T12/L2
intraoperative
pain at surgical incision
pain at skin incision using Visual Analogue Scale (VAS), where VAS=0, no pain; VAS=10, worst pain imaginable
intraoperative
pain at neonatal delivery
pain at neonatal delivery using VAS scale, where VAS=0, no pain; VAS=10, worst pain imaginable
intraoperative
pain at peritoneal manipulation
pain at peritoneal manipulation using VAS scale, where VAS=0, no pain; VAS=10, worst pain imaginable
intraoperative
pain at Post Anesthesia Care Unit (PACU) admission
pain at Post Anesthesia Care Unit (PACU) admission using VAS scale, where VAS=0, no pain; VAS=10, worst pain imaginable
1 hour postoperatively
pain at Post Anesthesia Care Unit (PACU) discharge
pain at Post Anesthesia Care Unit (PACU) discharge using VAS scale, where VAS=0, no pain; VAS=10, worst pain imaginable
1 hour postoperatively
need for rescue analgesia intraoperatively
need for rescue analgesia during the operation, via epidural catheter or intravenously
intraoperative
Bromage scale every 3 min after spinal anesthesia
measurement of bromage scale every 3 minutes after spinal anesthesia during the first 15 minutes
intraoperative
Bromage scale every 15 min
measurement of bromage scale every 15 minutes from spinal anesthesia to the end of the surgery
intraoperative
duration of motor block
measurement of time required for bromage scale to regress from 3 to 0
1 hour postoperatively
duration of staying in PACU
duration of parturient stay in PACU
2 hours postoperatively
Secondary Outcomes (21)
Neonatal Apgar score at 1 minute
1 minute post delivery
Neonatal Apgar score at 5 minutes
1 minute post delivery
neonatal blood gases
1 minute post delivery
incidence of neonatal acidosis
1 minute post delivery
incidence of hypotension
intraoperative
- +16 more secondary outcomes
Study Arms (2)
chloroprocaine group
ACTIVE COMPARATORintrathecal fixed dose of chloroprocaine 1%
ropivacaine group
ACTIVE COMPARATORintrathecal fixed dose of ropivacaine 0.75%
Interventions
• in parturients allocated to the chloroprocaine group, a fixed dose of chloroprocaine 1% will be administered intrathecally
• in parturients allocated to the ropivacaine group, a fixed dose of ropivacaine 0.75% will be administered intrathecally
Eligibility Criteria
You may qualify if:
- adult parturients, American Society of Anesthesiologists (ASA) I-II,
- singleton gestation\>37 weeks
- elective cesarean section
You may not qualify if:
- American Society of Anesthesiologists (ASA) \> III
- age \< 18 years
- singleton gestation \<37 weeks
- Body Mass Index (BMI) \>40 kg/m2
- Body weight \<50 kg
- Body weight\>100 kg
- height\<150 cm
- height\>180 cm
- multiple gestation
- emergency delivery
- fetal abnormality
- fetal distress
- pregnancy-induced pathology such as preeclampsia, eclampsia, premature labor, placental abnormalities
- pregnancy- induced diseases such as hepatic failure, pseudocholinesterase deficiency, neuromuscular diseases
- lack of informed consent
- +1 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Aretaieion University Hospital
Athens, 11528, Greece
Related Publications (4)
Maes S, Laubach M, Poelaert J. Randomised controlled trial of spinal anaesthesia with bupivacaine or 2-chloroprocaine during caesarean section. Acta Anaesthesiol Scand. 2016 May;60(5):642-9. doi: 10.1111/aas.12665. Epub 2015 Nov 26.
PMID: 26608876BACKGROUNDSaporito A, Ceppi M, Perren A, La Regina D, Cafarotti S, Borgeat A, Aguirre J, Van De Velde M, Teunkens A. Does spinal chloroprocaine pharmacokinetic profile actually translate into a clinical advantage in terms of clinical outcomes when compared to low-dose spinal bupivacaine? A systematic review and meta-analysis. J Clin Anesth. 2019 Feb;52:99-104. doi: 10.1016/j.jclinane.2018.09.003. Epub 2018 Sep 18.
PMID: 30237085BACKGROUNDSingariya G, Choudhary K, Kamal M, Bihani P, Pahuja H, Saini P. Comparison of analgesic efficacy of intrathecal 1% 2-chloroprocaine with or without fentanyl in elective caesarean section: A prospective, double-blind, randomised study. Indian J Anaesth. 2021 Feb;65(2):102-107. doi: 10.4103/ija.IJA_816_20. Epub 2021 Feb 10.
PMID: 33776083BACKGROUNDBaribeault T, Suss S. Spinal Anesthesia with 2-Chloroprocaine and Dexmedetomidine for Cesarean Section: A Case Report. AANA J. 2023 Jun;91(3):194-196.
PMID: 37227957BACKGROUND
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Kassiani Theodoraki, PhD, DESA
Aretaieion University Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Anesthesiology
Study Record Dates
First Submitted
April 17, 2024
First Posted
April 19, 2024
Study Start
January 10, 2024
Primary Completion
January 10, 2026
Study Completion
January 10, 2026
Last Updated
July 22, 2025
Record last verified: 2025-07