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Clinical Trials/NCT06985992
NCT06985992Not yet recruitingNot Applicable

The Efficacy of Intrathecal Morphine Versus Intrathecal Morphine-Dexamethasone Combination in Cesarean Delivery: A Prospective Randomized Double-Blind Clinical Trial

Yuzuncu Yıl University0 sites120 target enrollmentStarted: July 1, 2025Last updated:
Conditions
Interventions

Trial Snapshot

Phase
Not Applicable
Status
Not yet recruiting
Sponsor
Enrollment
120
Primary Endpoint
Postoperative nausea-vomiting

Study Overview

Brief Summary

The Efficacy of Intrathecal Morphine Versus Intrathecal Morphine+Dexamethasone Combination added to bupivacaine in elective cesarean section under spinal anesthesia

Detailed Description

The study will be designed as a double-blind, randomized clinical trial and will be conducted following approval by the local ethics committee. A total of 120 patients, aged 18-40 years, with an ASA physical status of II and scheduled for elective cesarean section, will be included. All patients will undergo standard preparation for spinal anesthesia. Two large-bore intravenous lines will be inserted in each patient upon arrival in the operating room. Participants will be randomly assigned to one of two groups (n = 60 per group) using sealed opaque envelopes.

Group I (morphine group) will receive spinal anesthesia consisting of 2 mL (10 mg) bupivacaine, 0.1 mL (100 mcg) morphine, and 0.5 mL saline.

Group II (morphine+dexamethasone group) will receive a mixture of 2 mL (10 mg) bupivacaine, 0.1 mL (100 mcg) morphine, and 0.5 mL (2 mg) dexamethasone.

Intraoperative hemodynamic parameters (including age, height, and weight), ASA scores, postoperative complications (such as nausea, vomiting, and pruritus), and postoperative pain levels will be recorded and analyzed.

Study Design

Study Type
Interventional
Allocation
Randomized
Intervention Model
Parallel
Primary Purpose
Supportive Care
Masking
Single (Participant)

Eligibility Criteria

Ages
18 Years to 40 Years (Adult)
Sex
Female
Accepts Healthy Volunteers
Yes

Inclusion Criteria

  • •Patients scheduled for caesarean sections
  • •Between 18-40 years
  • •ASA II group
  • •Those who will undergo spinal anesthesia
  • •Those between 35-40 weeks of pregnancy
  • •1st and 2nd caesarean sections

Exclusion Criteria

  • •Those who prefer general anesthesia
  • •Those who are outside the age range of 18-40
  • •Those who are ASA III and above
  • •Those with HT, DM, cardiac and respiratory diseases
  • •Preeclampsia, eclampsia, HELLP
  • •Those with a history of drug use that affects the cardiovascular system
  • •Placenta Previa, Placenta Acreta, Placenta Acreta Those with a history of antiemetic or antidepressant drug use

Arms & Interventions

Group morfin+dexamethasone

Experimental

Group morfin+dexamethasone: Spinal anesthesia will be applied to patients who will undergo a caesarean section using a combination of 2 ml (10 mg) bupivacaine + 0.1 ml (100 mcg) morphine + 0.5 ml (2 mg) dexamethasone.

Intervention: Group morfin+dexamethasone (Procedure)

Group morfin

Active Comparator

Group Morphine: Spinal anesthesia will be applied to patients who will undergo caesarean section using a combination of 2 ml (10 mg) bupivacaine + 0.1 ml (100 mcg) morphine + 0.5 ml saline.

Intervention: Group morphine (Procedure)

Outcomes

Primary Outcomes

Postoperative nausea-vomiting

Time Frame: For 24 hours after surgery

The incidence of postoperative nausea and vomiting will be scored from 0 to 3. No nausea or vomiting attacks will be graded as 0, a nausea attack that resolves without treatment will be graded as 1, recurrent nausea attacks that resolve with treatment will be graded as 2, and persistent nausea or vomiting attacks will be graded as 3.

Postoperative itching

Time Frame: For 24 hours after surgery

The degree of pruritus will be assessed on a scale of 0 to 3, with 0 being categorized as no pruritus; 1 as mild pruritus; 2 as moderate pruritus; and 3 as severe pruritus.

Secondary Outcomes

  • Intraoperative Mean Blood Pressure(Intraoperatively every 5 minutes)
  • Intraoperative Heart Rate(Intraoperatively every 5 minutes)

Investigators

Sponsor
Yuzuncu Yıl University
Sponsor Class
Other
Responsible Party
Principal Investigator
Principal Investigator

Nurettin KURT

Assistant Professor

Yuzuncu Yıl University

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