TAP Block With Magnesium Sulfate Added to Local Anesthetic in Abdominal Hysterectomy
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ClinicalTrials.gov Identifier: NCT02930707 |
Recruitment Status : Unknown
Verified October 2016 by Ahmad Mohammad Abd El-Rahman, Assiut University.
Recruitment status was: Active, not recruiting
First Posted : October 12, 2016
Last Update Posted : October 12, 2016
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Major abdominal surgeries are associated with severe abdominal pain, which can affect respiratory and cardiac functions, if insufficiently managed. This increases the incidence of post-operative morbidity.
The objective of this study was to detect the efficacy and safety of magnesium sulphate as an adjuvant to the analgesia offered by local anesthetic in ultrasound guided TAP block in patients undergoing total abdominal hysterectomy.
Condition or disease | Intervention/treatment | Phase |
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Postoperative Pain | Drug: Magnesium Sulfate Drug: Bupivacaine | Phase 2 Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 60 participants |
Allocation: | Randomized |
Intervention Model: | Crossover Assignment |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Treatment |
Official Title: | Efficacy and Safety of Magnesium Sulfate Added to Local Anesthetic in TAP Block for Postoperative Analgesia Following Total Abdominal Hysterectomy. |
Study Start Date : | January 2016 |
Actual Primary Completion Date : | June 2016 |
Estimated Study Completion Date : | November 2016 |

Arm | Intervention/treatment |
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Active Comparator: Magnesium group
patients received ultrasound guided TAP block with 20 mL of 0.25% bupivacaine plus 2 mL magnesium sulphate 10% (200 mg), on each side of the abdominal wall.
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Drug: Magnesium Sulfate
ultrasound guided TAP block with 20 mL of 0.25% bupivacaine plus 2 mL magnesium sulfate 10% (200 mg), on each side of the abdominal wall. |
Placebo Comparator: control group
patients received ultrasound guided TAP block with 20 mL of 0.25% bupivacaine on each side of the abdominal wall.
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Drug: Bupivacaine
ultrasound guided TAP block with 20 mL of 0.25% bupivacaine on each side of the abdominal wall. |
- total postoperative morphine consumption [ Time Frame: postoperative 24 hours ]total amount of rescue morphine consumption in the first 24 hours postoperatively
- postoperative pain [ Time Frame: postoperative 24 hours ]postoperative pain measured by VAS score recorded in the first 24 hours postoperatively
- first request of rescue analgesia [ Time Frame: postoperative 24 hours ]time to the first requirement of rescue analgesia during the first 24 hours postoperatively
- side effects [ Time Frame: postoperative 24 hours ]occurrence of side effects during the first 24 hours postoperatively

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- weight: 50- 85 kg.
- ASA score: I-III
- scheduled for total abdominal hysterectomy
Exclusion Criteria:
- history of relevant drug allergy.
- coagulation disorders.
- opioid dependence.
- sepsis.
- psychiatric illnesses that would interfere with perception and assessment of pain.
Responsible Party: | Ahmad Mohammad Abd El-Rahman, lecturer of anesthesia,ICU, and pain management, Assiut University |
ClinicalTrials.gov Identifier: | NCT02930707 |
Other Study ID Numbers: |
177 |
First Posted: | October 12, 2016 Key Record Dates |
Last Update Posted: | October 12, 2016 |
Last Verified: | October 2016 |
magnesium sulfate postoperative pain TAP block total abdominal hysterectomy |
Pain, Postoperative Postoperative Complications Pathologic Processes Pain Neurologic Manifestations Magnesium Sulfate Bupivacaine Anesthetics, Local Anesthetics Central Nervous System Depressants Physiological Effects of Drugs |
Sensory System Agents Peripheral Nervous System Agents Analgesics Anti-Arrhythmia Agents Anticonvulsants Calcium Channel Blockers Membrane Transport Modulators Molecular Mechanisms of Pharmacological Action Calcium-Regulating Hormones and Agents Tocolytic Agents Reproductive Control Agents |