Efficacy and Safety Study of Anti-Adhesion Product in the Prevention of Intraperitoneal Adhesions
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Purpose
The objective of this study was to evaluate the efficacy of the Anti-Adhesion Product (AAP) in preventing or reducing post-operative adhesion formation and re-formation in a subject population having abdominal surgery and being left with a rectal stump and a temporary stoma from a first procedure and scheduled for a laparoscopy/ laparotomy as a second procedure in the normal treatment of the subjects' disease. In both study groups, surgical measures to prevent adhesions were taken, e.g. using minimum traumatizing surgical technique, using powder-free gloves. In the investigational product group, AAP was applied to the rectal stump and the incision line while no specific additional treatment was applied in the control group. The surgeon assessed preexisting adhesions during the first surgery. Newly developed and re-formed adhesions were evaluated during the second surgery by a surgeon or assistant who did not know the result of randomization. The safety of the study drug was also monitored.
| Condition | Intervention | Phase |
|---|---|---|
|
Intraperitoneal Adhesions |
Biological: Anti-Adhesion Product |
Phase 2 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Outcomes Assessor) Primary Purpose: Prevention |
| Official Title: | Study to Evaluate the Efficacy and Safety of Anti-Adhesion Product in the Prevention of Intraperitoneal Adhesions |
- Incidence of adhesions around the rectal stump and/or incision line
- Number of subjects with no adhesions
- Extent and severity of adhesions around the rectal stump
- Extent and severity of adhesions at the incision line
- Incidence, extent and severity of adhesions at sites other than the rectal stump and incision line
- Time to reach and free the rectal stump
- Safety (laboratory evaluation, recording of adverse experiences)
| Enrollment: | 46 |
| Study Start Date: | December 2000 |
| Study Completion Date: | April 2003 |
| Arms | Assigned Interventions |
|---|---|
|
Experimental: Investigational product group
Anti-Adhesion Product was applied to the rectal stump and the incision line. Like in the control group, surgical measures to prevent adhesions were also taken, e.g. using minimum traumatizing surgical technique, using powder-free gloves. |
Biological: Anti-Adhesion Product
Anti-Adhesion Product (AAP) is a biological two-component product of human origin. The components of AAP are lyophilized Anti-Adhesion Protein Concentrate (AAPC), containing fibrinogen, lyophilized Thrombin Concentrate (TC) and the respective diluents for the reconstitution of the components.
|
|
No Intervention: Control group
Only surgical measures to prevent adhesions were taken, e.g. using minimum traumatizing surgical technique, using powder-free gloves. No specific additional treatment was applied.
|
Eligibility| Ages Eligible for Study: | 18 Years and older |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Written informed consent obtained from the subject or the subject's legally authorized representative prior to study entry
- Male or female subjects > 18 years of age
- Subjects undergoing abdominal surgery with the possibility that a rectal stump would remain due to one or more of the following reasons: inflammatory bowel diseases, neoplasm, colon diverticulitis, colonic obstruction, colon polyposis, peritoneal trauma, fistula, incontinence, or other reasons
- Subjects for whom a second abdominal surgery is planned within approximately eight months of the first surgical procedure.
Exclusion Criteria:
Pre operative:
- Pregnancy and lactation period
- Subjects concurrently participating in another clinical trial with a drug or a device
- Subjects who have participated in a clinical trial with a drug or a device within 30 days prior to this study
- Subjects who have had abdominal/pelvic surgery within six months prior to this study
- Subjects who have received or will receive (approximately within the next eight months) abdominal/pelvic irradiation
Intra operative:
- Subjects with peritonitis
- Subjects with gastrointestinal metastatic cancer, or cancer growing per continuitatem into surrounding tissues
- Subjects treated with hemostatic agents (e.g. fibrin sealant, collagen, oxidized cellulose) during the first surgery
- Subjects treated with adhesion prevention agents other than the Anti-Adhesion Product (AAP) (e.g. Intergel® Adhesion Prevention Solution, Seprafilm® Membrane) during the first surgery
- Subjects with major fecal contamination needing an abdominal lavage during the first surgery
Contacts and Locations| Denmark | |
| Copenhagen University Hospital, Rigshospitalet Department of Gastroenterologic Surgery | |
| Copenhagen, Denmark, 2120 | |
| Odense University Hospital, Surgical Gastroenterology Department | |
| Odense, Denmark, 5000 | |
| Poland | |
| Im. Marii Sklodowskiej-Curie, Centrum Onkologii-Instytut | |
| Warsaw, Poland, 02 781 | |
| Klinika Chirurgii Ogolnej Onkologicznej i Klatiki Piersiowej CSK WAM | |
| Warsaw, Poland, 00 909 | |
| Sweden | |
| Göteborg University, Department of Surgery, Colorectal Unit | |
| Gothenburg, Sweden, 416 85 | |
| Söder Sjukhuset, Department of Surgery | |
| Stockholm, Sweden, 118 83 | |
| Uddevalla Sjukhus, Kirurg Kliniken | |
| Uddevalla, Sweden, 451 80 | |
| Principal Investigator: | Baxter BioScience Investigator, MD | Baxter Healthcare Corporation |
More Information
No publications provided
| ClinicalTrials.gov Identifier: | NCT00512356 History of Changes |
| Other Study ID Numbers: | 549902 |
| Study First Received: | August 6, 2007 |
| Last Updated: | August 13, 2007 |
| Health Authority: | Sweden: Medical Products Agency Denmark: Danish Medicines Agency Poland: Ministry of Health |
Additional relevant MeSH terms:
|
Tissue Adhesions Cicatrix Fibrosis Pathologic Processes |
ClinicalTrials.gov processed this record on June 17, 2013