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High-Dose Oral Vitamin B6 for Perioperative Anxiety Reduction in Total Hip Arthroplasty: A Randomized, Double-Blind, Placebo-Controlled, Single-Center Clinical Trial

High-Dose Oral Vitamin B6 for Perioperative Anxiety Reduction in Total Hip Arthroplasty: A Randomized, Double-Blind, Placebo-Controlled, Single-Center Clinical Trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600128473
Enrollment
Unknown
Registered
2026-07-21
Start date
2026-08-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

Perioperative anxiety in patients undergoing primary unilateral total hip arthroplasty.

Interventions

Vitamin B6 group:Oral vitamin B6
Placebo group:placebo

Sponsors

West China Hospital of Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18 to 85 years; 2. Scheduled to undergo elective primary unilateral total hip arthroplasty (THA); 3. American Society of Anesthesiologists (ASA) physical status classification I–III; 4. The anticipated date of surgery is 30 +/- 5 days after enrollment, allowing sufficient time to complete the preoperative intervention; 5. Able to understand the study objectives and procedures, willing to participate voluntarily, and able to provide written informed consent.

Exclusion criteria

Exclusion criteria: 1. Known allergy to vitamin B6 or any excipient in the study formulation; 2. Moderate-to-severe hepatic or renal impairment, such as Child–Pugh class C liver disease or an estimated glomerular filtration rate (eGFR) <30 mL/min/1.73 m²; 3. A confirmed diagnosis of severe peripheral neuropathy or a central nervous system disorder, such as epilepsy or Parkinson’s disease; or, in the absence of a confirmed diagnosis, symptoms suggestive of neurological dysfunction, including limb numbness, tingling, burning sensations, glove-and-stocking sensory abnormalities, gait instability, a sensation of walking on cotton, or impaired fine motor function; 4. Regular use within the previous 3 months of antidepressants, anxiolytics, antiepileptic drugs, or other medications that substantially affect the GABAergic system, where temporary discontinuation or dose adjustment is not feasible; 5. A clear medical indication requiring long-term or continuous use of vitamin B6 or vitamin B6-containing medications or nutritional supplements that cannot be discontinued or replaced during the study period; 6. A previous diagnosis of a psychotic disorder or the presence of significant cognitive impairment that may interfere with study participation or questionnaire assessment; 7. Pregnant or breastfeeding women; 8. Expected inability to adhere to the prescribed medication regimen or complete the required follow-up during the study period, such as due to serious anticipated adherence problems; 9. Any other condition that, in the investigator’s clinical judgment, makes the individual unsuitable for enrollment.

Design outcomes

Primary

MeasureTime frame
State anxiety score at 48 hours after surgery;State anxiety score at 24 hours after surgery;State anxiety score within 24 hours before surgery;

Secondary

MeasureTime frame
Kinesiophobia score;Incidence of postoperative nausea and vomiting within 48 hours;Harris Hip Score (HHS);Cumulative opioid consumption within 48 hours after surgery;Postoperative pain intensity;Postoperative sleep quality score;

Countries

China

Contacts

Public ContactZhou Zongke

West China Hospital of Sichuan University

zhouzongke@scu.edu.cn+86 28 85422570

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026