Related Experiment Video
Updated: Jul 14, 2026
03:47
A Translational Surgical Porcine Model for Postoperative Intra-Abdominal Adhesion Formation
Published on: March 13, 2026
Reduction of post-surgical adhesion formation with tranilast
Kevin Cooper1, Janel Young, Scott Wadsworth
1Center for Biomaterials & Advanced Technologies, Medical Devices Group, A division of Ethicon, A Johnson & Johnson Company, Somerville, New Jersey, USA.
The Journal of Surgical Research
|June 15, 2007
Summary
Tranilast effectively reduced adhesions in rabbit models when delivered intraperitoneally, especially with sustained release from biodegradable fibers. Oral administration alone was not effective, but enhanced intraperitoneal delivery when given preoperatively.
Area of Science:
- Preclinical research
- Surgical adhesion prevention
- Pharmacology
Background:
- Adhesion formation is a significant postsurgical complication.
- Tranilast is investigated for its anti-adhesion properties.
- Various delivery methods were explored to optimize tranilast efficacy.
Purpose of the Study:
- To evaluate tranilast's efficacy in preventing surgical adhesions.
- To compare different tranilast delivery methods and dosages.
- To identify optimal delivery strategies for clinical application.
Main Methods:
- Preclinical rabbit models (sidewall and uterine horn) were utilized.
- Tranilast was administered via subcutaneous pump, orally, intraperitoneal bolus, viscoelastic gels, and biodegradable fibers.
- Adhesion formation was assessed 7-21 days post-surgery.
Main Results:
- Topical tranilast reduced adhesions; oral administration alone was ineffective.
- Preoperative oral tranilast enhanced intraperitoneal delivery efficacy.
- Sustained intraperitoneal release from biodegradable fibers yielded the best adhesion reduction.
- No safety concerns were identified.
Conclusions:
- Tranilast demonstrates efficacy in reducing surgical adhesions across various delivery methods.
- Sustained intraperitoneal delivery of tranilast via biodegradable fibers is a promising strategy.
- Further clinical investigation of this delivery method is warranted.
