Sinus SurgeryPhase 4NCT06752525
Opioid Sparing Effect of Sphenopalatine Ganglion Block in Functional Endoscopic Sinus Surgery: a Randomized Controlled Clinical Trial.
A Phase 4 study testing Bupivacaine and Magnesium Sulphate 500 mg in people with Sinus Surgery, run by Assiut University.
Trial summary
Functional endoscopic sinus surgery (FESS) is widely recognized as a safe and preferred treatment option for various conditions, particularly nasal polyps and rhinosinusitis . This technique has been shown to improve postoperative symptoms by 86.3% in patients with chronic inflammatory paranasal sinus diseases . Read more about this study
- Who is it for?
- Ages 18 to 60 years
- Conditions the study is for
- Sinus Surgery
- What is being tested?
- Bupivacaine and Magnesium Sulphate 500 mg
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 60 participants
- Where
- No sites listed yet
- Study dates
- 1 Jan 2025to 1 Mar 2026
- Phase
- Phase 4
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 60 years
- All sexes
- No healthy volunteers
- Adult
Who may be able to join
- • Patients programmed for elective FESS
- American society of anaesthesiologists (ASA) physical state I-II
- Age over 18 years and less than 60-years-old.
Who cannot join
- • Known hypersensitivity to the study drugs.
- Inability to accurately describe postoperative pain to investigators.
- Opioid tolerance or dependence.
- Patient refusal
- History of renal, liver, cardiac, neuropsychiatric disorder problems.
- Bleeding or coagulation abnormality.
- Infection at the site of injection
Trial locations and contacts
No sites are listed yet. Contact the study team or a site near you to ask about taking part.
About this study
Functional endoscopic sinus surgery (FESS) is widely recognized as a safe and preferred treatment option for various conditions, particularly nasal polyps and rhinosinusitis . This technique has been shown to improve postoperative symptoms by 86.3% in patients with chronic inflammatory paranasal sinus diseases .
The aim of this study is to evaluate the effect of adding of MgSO4 to bupivacaine via SPGB block for postoperative pain for 24 hours in patients scheduled for FESS as opioid free anaesthesia.
Read the detailed description
However, managing postoperative pain remains a significant challenge. Research suggests that 86% of surgical patients experience pain, with 75% enduring moderate to severe levels .
The Sphenopalatine Ganglion Block (SPGB) is an effective, safe, and well-tolerated method for managing craniofacial pain. The ganglion comprises both sensory and autonomic nerves, which innervate the nasal cavity, palate, and certain areas of the nasopharynx and oropharynx . SPGB involves the administration of analgesic agents into the nasal cavity, typically through an endoscopic approach due to the challenges of transnasal injection . Some complications, such as postoperative nosebleeds, and temporary numbness of the palate, have been observed following the blockade with endoscopic intervention, but these are generally temporary .
Studies evaluating the effects of the sphenopalatine block in endoscopic sinus surgery suggest that patients who received the ganglion block experienced reduced postoperative pain compared to those in the placebo group when combined with general anaesthesia .
- Conditions
- Sinus Surgery
- Being tested
- Bupivacaine, Magnesium Sulphate 500 mg
- Keywords
- sphenopalatine ganglion block
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
BupivacaineDrug
patients will receive SPGB block with 2 ml volume on each side (1.5 mL of bupivacaine 0.5% + 0.5 mL of magnesium sulphate 10%).
Magnesium Sulphate 500 mgDrug
patients will receive SPGB block with 2 ml volume on each side (1.5 ml bupivacaine 0.5% plus 0.5 ml saline).
| Study group | Role | What they receive |
|---|---|---|
| Group A | Experimental | patients will receive SPGB block with 2 ml volume on each side (1.5 mL of bupivacaine 0.5% + 0.5 mL of magnesium sulphate 10%) Receives: Drug: Bupivacaine; Drug: Magnesium Sulphate 500 mg |
| group B | Experimental | patients will receive SPGB block with 2 ml volume on each side (1.5 ml bupivacaine 0.5% plus 0.5 ml saline). Receives: Drug: Bupivacaine |
What is being measured
The primary outcome is the main question the study is designed to answer.
postoperative pain according to (NRS)
The effect of adding of MgSO4 to bupivacaine via SPGB block for postoperative pain according to (NRS) for 24 hours in patients scheduled for FESS
Measured: 24 hours
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Dec 2024
- Study start1 Jan 2025 (estimated)
- Primary completion1 Jan 2026 (estimated)
- Study completion1 Mar 2026 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (6)Papers the sponsor has linked to this study.
- Other trials for Sinus SurgeryStudies of the same condition, open and under way.
- More trials run by Assiut UniversityThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 4
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind
- Who is masked
- Participant, Care provider, Investigator, Outcomes assessor
- Enrolment
- 60 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Assiut University
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Ahmed Mohamed Ali Ismaeil, Assiut University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06752525
- Sponsor's protocol ID
- SPGB sinus surgery
- Status last verified
- Dec 2024
- First submitted
- 22 Dec 2024
- Last updated
- 30 Dec 2024
- Results posted
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- Undecided
Publications
Al-Qudah M. Endoscopic sphenopalatine ganglion blockade efficacy in pain control after endoscopic sinus surgery. Int Forum Allergy Rhinol. 2016 Mar;6(3):334-8. doi: 10.1002/alr.21644. Epub 2015 Sep 15.
PubMed 26370724Kesimci E, Ozturk L, Bercin S, Kiris M, Eldem A, Kanbak O. Role of sphenopalatine ganglion block for postoperative analgesia after functional endoscopic sinus surgery. Eur Arch Otorhinolaryngol. 2012 Jan;269(1):165-9. doi: 10.1007/s00405-011-1702-z. Epub 2011 Jul 8.
PubMed 21739090Cho DY, Drover DR, Nekhendzy V, Butwick AJ, Collins J, Hwang PH. The effectiveness of preemptive sphenopalatine ganglion block on postoperative pain and functional outcomes after functional endoscopic sinus surgery. Int Forum Allergy Rhinol. 2011 May-Jun;1(3):212-8. doi: 10.1002/alr.20040. Epub 2011 Apr 13.
PubMed 22287376Sanders M, Zuurmond WW. Efficacy of sphenopalatine ganglion blockade in 66 patients suffering from cluster headache: a 12- to 70-month follow-up evaluation. J Neurosurg. 1997 Dec;87(6):876-80. doi: 10.3171/jns.1997.87.6.0876.
PubMed 9384398Xiong BJ, Xu Y, Jin GL, Liu M, Yang J, Yu CX. Analgesic effects and pharmacologic mechanisms of the Gelsemium alkaloid koumine on a rat model of postoperative pain. Sci Rep. 2017 Oct 27;7(1):14269. doi: 10.1038/s41598-017-14714-0.
PubMed 29079733Gan TJ, Habib AS, Miller TE, White W, Apfelbaum JL. Incidence, patient satisfaction, and perceptions of post-surgical pain: results from a US national survey. Curr Med Res Opin. 2014 Jan;30(1):149-60. doi: 10.1185/03007995.2013.860019. Epub 2013 Nov 15.
PubMed 24237004
Study at a glance
From the registry record, last updated by the sponsor on 30 Dec 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Opioid Sparing Effect of Sphenopalatine Ganglion Block in Functional Endoscopic Sinus Surgery: a Randomized Controlled Clinical Trial.
- ClinicalTrials.gov ID
- NCT06752525
- Acronym / sponsor ID
- SPGB sinus surgery
- Conditions
- Sinus Surgery
- Keywords
- sphenopalatine ganglion block
- Phase
- Phase 4
- Study type
- Interventional
- Recruitment status
- Not yet recruiting
- Enrolment
- 60 participants (estimated)
- Lead sponsor
- Assiut UniversityUniversity, hospital or other
- Study start
- 1 Jan 2025 (estimated)
- Primary completion
- 1 Jan 2026 (estimated)
- Study completion
- 1 Mar 2026 (estimated)
- First posted
- 30 Dec 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Functional endoscopic sinus surgery (FESS) is widely recognized as a safe and preferred treatment option for various conditions, particularly nasal polyps and rhinosinusitis . This technique has been shown to improve postoperative symptoms by 86.3% in patients with chronic inflammatory paranasal sinus diseases .
The aim of this study is to evaluate the effect of adding of MgSO4 to bupivacaine via SPGB block for postoperative pain for 24 hours in patients scheduled for FESS as opioid free anaesthesia.
Detailed description
However, managing postoperative pain remains a significant challenge. Research suggests that 86% of surgical patients experience pain, with 75% enduring moderate to severe levels .
The Sphenopalatine Ganglion Block (SPGB) is an effective, safe, and well-tolerated method for managing craniofacial pain. The ganglion comprises both sensory and autonomic nerves, which innervate the nasal cavity, palate, and certain areas of the nasopharynx and oropharynx . SPGB involves the administration of analgesic agents into the nasal cavity, typically through an endoscopic approach due to the challenges of transnasal injection . Some complications, such as postoperative nosebleeds, and temporary numbness of the palate, have been observed following the blockade with endoscopic intervention, but these are generally temporary .
Studies evaluating the effects of the sphenopalatine block in endoscopic sinus surgery suggest that patients who received the ganglion block experienced reduced postoperative pain compared to those in the placebo group when combined with general anaesthesia .
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Quadruple blind (participant, care provider, investigator, outcomes assessor)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Group A | Experimental | Drug: Bupivacaine, Drug: Magnesium Sulphate 500 mgpatients will receive SPGB block with 2 ml volume on each side (1.5 mL of bupivacaine 0.5% + 0.5 mL of magnesium sulphate 10%) |
| group B | Experimental | Drug: Bupivacainepatients will receive SPGB block with 2 ml volume on each side (1.5 ml bupivacaine 0.5% plus 0.5 ml saline). |
Who may qualify
- Ages
- 18 to 60 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult
Key inclusion criteria (3 listed)
- • Patients programmed for elective FESS
Key exclusion criteria (7 listed)
- • Known hypersensitivity to the study drugs.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Bupivacainepatients will receive SPGB block with 2 ml volume on each side (1.5 mL of bupivacaine 0.5% + 0.5 mL of magnesium sulphate 10%). | Drug | Group A, group B |
| Magnesium Sulphate 500 mgpatients will receive SPGB block with 2 ml volume on each side (1.5 ml bupivacaine 0.5% plus 0.5 ml saline). | Drug | Group A |
Primary outcome
postoperative pain according to (NRS)
Time frame: 24 hours
The effect of adding of MgSO4 to bupivacaine via SPGB block for postoperative pain according to (NRS) for 24 hours in patients scheduled for FESS
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 30 Dec 2024.
- Results publication: PubMed 26370724Al-Qudah M. Endoscopic sphenopalatine ganglion blockade efficacy in pain control after endoscopic sinus surgery. Int Forum Allergy Rhinol. 2016 Mar;6(3):334-8. doi: 10.1002/alr.21644. Epub 2015 Sep 15.
- Results publication: PubMed 21739090Kesimci E, Ozturk L, Bercin S, Kiris M, Eldem A, Kanbak O. Role of sphenopalatine ganglion block for postoperative analgesia after functional endoscopic sinus surgery. Eur Arch Otorhinolaryngol. 2012 Jan;269(1):165-9. doi: 10.1007/s00405-011-1702-z. Epub 2011 Jul 8.
- Results publication: PubMed 22287376Cho DY, Drover DR, Nekhendzy V, Butwick AJ, Collins J, Hwang PH. The effectiveness of preemptive sphenopalatine ganglion block on postoperative pain and functional outcomes after functional endoscopic sinus surgery. Int Forum Allergy Rhinol. 2011 May-Jun;1(3):212-8. doi: 10.1002/alr.20040. Epub 2011 Apr 13.
- Results publication: PubMed 9384398Sanders M, Zuurmond WW. Efficacy of sphenopalatine ganglion blockade in 66 patients suffering from cluster headache: a 12- to 70-month follow-up evaluation. J Neurosurg. 1997 Dec;87(6):876-80. doi: 10.3171/jns.1997.87.6.0876.
- Results publication: PubMed 29079733Xiong BJ, Xu Y, Jin GL, Liu M, Yang J, Yu CX. Analgesic effects and pharmacologic mechanisms of the Gelsemium alkaloid koumine on a rat model of postoperative pain. Sci Rep. 2017 Oct 27;7(1):14269. doi: 10.1038/s41598-017-14714-0.
- Results publication: PubMed 24237004Gan TJ, Habib AS, Miller TE, White W, Apfelbaum JL. Incidence, patient satisfaction, and perceptions of post-surgical pain: results from a US national survey. Curr Med Res Opin. 2014 Jan;30(1):149-60. doi: 10.1185/03007995.2013.860019. Epub 2013 Nov 15.
- Individual participant dataSharing planned: Undecided
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Questions about this trial
What is this clinical trial studying?
A Phase 4 study testing Bupivacaine and Magnesium Sulphate 500 mg in people with Sinus Surgery, run by Assiut University.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 3 inclusion and 7 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: opening soon, as of the sponsor's last update on 30 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Ahmed Mohamed Ali Ismaeil, resident doctor (+20106 9071633, Ahmed.16285222@med.aun.edu.eg), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
postoperative pain according to (NRS) (time frame: 24 hours). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT06752525, which also lists 6 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 30 Dec 2024; AzTrials last refreshed its copy on 8 Nov 2026.