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Safety and Efficacy of Serrapeptase Enteric-Coated Tablets for Postoperative Analges and Swelling Reduction Following Total Joint Arthroplasty: A Randomized, Double-Blind, Controlled Trial

Safety and Efficacy of Serrapeptase Enteric-Coated Tablets for Postoperative Analges and Swelling Reduction Following Total Joint Arthroplasty: A Randomized, Double-Blind, Controlled Trial

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500101817
Enrollment
Unknown
Registered
2025-04-30
Start date
2025-05-10
Completion date
Unknown
Last updated
2025-05-05

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

Conditions

Knee osteoarthritis

Interventions

Control group:Oral placebo
Experimental group:Oral serrapeptase enteric-coated tablets

Sponsors

West China Hospital, Sichuan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age: Aged between 18 and 80 years at the time of enrollment. 2. Surgical Procedure: Scheduled to undergo primary unilateral total knee arthroplasty (TKA). 3. Physical Status: Classified as American Society of Anesthesiologists (ASA) Physical Status I, II, or III. 4. Informed Consent: Willing and able to provide written informed consent prior to participation in the study.

Exclusion criteria

Exclusion criteria: 1. Elevated preoperative inflammatory markers (C-reactive protein >10 mg/L or interleukin-6 >15 pg/mL); 2. Preoperative hemoglobin 1.5 times the upper limit of normal); 3. Severe knee deformity, stiffness, or ankylosis; 4. Hepatic or renal dysfunction (ALT or AST >2 times the upper limit of normal; serum creatinine >2 times the upper limit of normal) or history of kidney stones; 5. Known hypersensitivity to any medications required during the study; 6. History of skeletal radiotherapy, bone metastases, or malignant bone tumors; 7. Patients with metabolic bone diseases other than osteoporosis or with a prior history of hypercalcemia; 8. Esophageal motility disorders or severe esophagitis, including gastritis or peptic ulcers; 9. Patients receiving high-dose corticosteroid therapy; 10. Patients deemed unsuitable for inclusion by the investigators.

Design outcomes

Primary

MeasureTime frame
Lower limb swelling;Joint pain at rest and during movement;

Secondary

MeasureTime frame
Opioid consumption;Functional recovery;Coagulation function;Inflammatory markers;Bleeding events;Postoperative satisfaction;

Countries

China

Contacts

Public ContactZongke Zhou

West China School of Medicine and West China Hospital, Sichuan University

zhouzongke@scu.edu.cn+86 189 8060 1028

Outcome results

None listed

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