Comparison of two drugs (fentanyl and magnesium sulphate) added to rectus sheath block for pain relief after abdominal surgery

Comparison of fentanyl vs magnesium sulphate as adjuvant in ultrasound guided rectus sheath block for post operative analgesia in patients undergoing midline incision abdominal surgeries: A prospective randomized control trial

Status

Active, not recruiting

Phases

Phase 4

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2026/03/107090

Enrollment

Registered

2026-03-30

Start date

Unknown

Completion date

Unknown

Last updated

2026-04-27

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: Rectus Sheath Block: Rectus Sheath Block with 30ml Ropivacaine(0.5%) + 50mcg Fentanyl + 1ml Normal Saline(total 32ml) will be given 16 ml on each side using ultrasound in midline abdomi

Eligibility

Inclusion criteria

Inclusion criteria: Patients aged 18-65 years BMI less than 40 kgcm-2 ASA Grade I, II , III. Scheduled for Elective/emergency midline incision abdominal surgery Patients who provide written and informed consent to participate in the study.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

Measure	Time frame
VAS score at 0, 4, 8, 12, 16, 20, 24 hoursTimepoint: VAS score at 0, 4, 8, 12, 16, 20, 24 hours	—

Secondary

Measure	Time frame
Time to first rescue analgesia Total analgesic consumption Adverse effects (PONV, hypotension)Timepoint: Time to first rescue analgesia after 0hrs from completion of surgery Total analgesic consumption within 24 hrs of surgery Adverse effects within 24 hrs of surgery	—

Countries

India

Contacts

Public ContactDr Sarthak Kalra

fauzia79@gmail.com7060459215

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026