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The effect of opioids on spinal anesthesia

Evaluation of spinal anaesthesia blockade time with 0.5% bupivacaine-with or without sufentanil-in opium addict patients in comparison with non-addicts: a randomized clinical trial

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
IRCT
Registry ID
IRCT201012045140N2
Enrollment
60
Registered
2012-09-11
Start date
2009-04-13
Completion date
Unknown
Last updated
2018-02-22

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

Conditions

Regional anesthesia. unspecified symptoms and signs involving the nervous and musculoskeletal systems

Interventions

Intervention 1: group 1, No history of opium addiction who receive intrathecal bupivacaine along with 1 mL saline as placebo. Intervention 2: group 2, No history of opium addiction who receive intrath
Placebo
Treatment - Drugs
group 1, No history of opium addiction who receive intrathecal bupivacaine along with 1 mL saline as placebo.
group 2, No history of opium addiction who receive intrathecal bupivacaine along with 1 mL sufentanil (5 µg).
group 3, Positive history of opium addictions who receive intrathecal bupivacaine along with 1 mL saline as placebo.
group 4, Positive history of opium addictions who receive intrathecal bupivacaine along with 1 mL sufentanil (5 µg).

Sponsors

Tehran University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Inclusion criteria: ASA physical status I and II scheduled for orthopedic surgery less than 2 hours. Exclusion criteria: Hepatic or Renal failure; Heart diseases; History of drug allergy; Morbid obesity; History of postoperative nausea and vomiting (PONV); history of motion sickness; Patients with Chronic pains.

Exclusion criteria

Exclusion criteria:

Design outcomes

Primary

MeasureTime frame
Block Time. Timepoint: Every 5 minutes. Method of measurement: Pinprick test.

Secondary

MeasureTime frame
Post-operative pain. Timepoint: every 4 hours. Method of measurement: Numeric Rating Score(NRS).

Countries

Iran (Islamic Republic of)

Contacts

Public ContactDr. Ali Movafegh

Department of Anesthesiology, Tehran University of Medical Sciences

movafegh@sina.tums.ac.ir+98 21 8490 2372

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026