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The Effect of Chewing Gum Combined with Dexamethasone on the Incidence of Postoperative Nausea and Vomiting in Patients Undergoing Intervertebral Foramen Approach Lumbar Spinal Fusion Surgery with Medium-to-High Risk: A Prospective Randomised Controlled Clinical Study Protocol

The Effect of Chewing Gum Combined with Dexamethasone on the Incidence of Postoperative Nausea and Vomiting in Patients Undergoing Intervertebral Foramen Approach Lumbar Spinal Fusion Surgery with Medium-to-High Risk: A Prospective Randomised Controlled Clinical Study Protocol

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600120033
Enrollment
Unknown
Registered
2026-03-09
Start date
2026-03-10
Completion date
Unknown
Last updated
2026-03-16

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

Conditions

Degenerative diseases of the lumbar spine

Interventions

Control group:Intravenous dexamethasone 10 mg administered at 6 hours and 24 hours post-operatively
Experimental Group One:Intravenous dexamethasone 10mg administered at 6 and 24 hours post-operatively, followed by brief chewing of chewing gum for 10-15 minutes.
Experimental Group Two:Intravenous dexamethasone 10mg administered at 6 and 24 hours post-operatively, followed by prolonged chewing of chewing gum for 25-30 minutes.

Sponsors

West China Tianfu Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1.Patients requiring lumbar TLIF surgery due to massive disc herniation, recurrent disc herniation, spondylodesis formation, symptomatic lumbar spondylolisthesis, etc.; 2.Patients aged >=18 years and =2 (those at moderate-to-high risk for PONV); 4.Patients consent to participate in this study and sign the relevant informed consent form.

Exclusion criteria

Exclusion criteria: 1.Patients with allergies or contraindications to any antiemetic medication required for this study; 2.Use of any study-related antiemetic medication within 8 hours of anaesthetic induction; 3.Patients transferred to the ICU for post-operative care; 4.Patients with contraindications to chewing gum (e.g. those with full/upper dentures, impaired pharyngeal or oesophageal function).

Design outcomes

Primary

MeasureTime frame
Incidence of nausea and vomiting;

Secondary

MeasureTime frame
Rehabilitation Quality Score(QoR-15 score);Dose of rescue antiemetic medication administered at 24 and 48 hours post-surgery;Length of hospital stay;Time of first spontaneous flatus and bowel movement following surgery;Restoration of bowel sounds;Postoperative complications;

Countries

China

Contacts

Public ContactLiu Li

Sichuan University West China Tianfu Hospital

liuli_guke@163.com+86 180 3054 8634

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 20, 2026