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| Name | Class |
|---|---|
| Rigshospitalet, Denmark | OTHER |
The purpose of this project is to investigate whether a combination of a local injection of platelet rich plasma (PRP) combined with a daily supplement of vitamin C, zinc, L-arginine, as well as high protein diet (1.5 g of protein per kilo body weight per day) can promote tissue healing in patients undergoing open upper-abdominal surgery.
Primary endpoint is cases of wound infection and secondary endpoints are time of tissue regeneration (days), judged by traditional clinical observation and experimentally assessed by ultrasound.
The experiment is performed as a parallel two-armed, randomized, controlled trial.
A total of 40 subjects will be included in the trial i order to ensure the power of the study, despite a drop off of up to 25%.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Leucocyte - Platelet rich Plasma and Dietary Supplements | Experimental | An application of an autologous platelet concentrate (20 ml). This is injected once, locally in the muscle after closure of the inner fascia and before closure of the outer fascia. A daily dietary supplement of Vitamin C, Zinc and L-Arginine. Provided from POD2-3 until POD30 |
|
| Treatment as usual | No Intervention | Patients are treated as usual. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Leucocyte - Platelet rich Plasma | Other | Autologous L-PRP are studied regarding it's accelerating effect on tissue repair. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Number of patients with wound infection assessed by traditional clinical observation of the cicatrice | Infection are defined as a collection of pus in the wound that require revision. It is assessed by observation from the hospital staff. | From date of surgery until the date of first documented event of infection or date of death from any cause, whichever came first, assessed up to 30 days . |
| Measure | Description | Time Frame |
|---|---|---|
| Number of days before the surgical wound are full epithelized assessed by observation of the cicatrice | Digital photos of the cicatrice will be collected and analyzed for the amount of remaining scab. | Up to 30 days |
| Other postoperative complications |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D014946 | Wound Infection |
| ID | Term |
|---|---|
| D007239 | Infections |
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| ID | Term |
|---|---|
| D001205 | Ascorbic Acid |
| D015032 | Zinc |
| D001120 | Arginine |
| ID | Term |
|---|---|
| D013400 | Sugar Acids |
| D000144 | Acids, Acyclic |
| D002264 | Carboxylic Acids |
| D009930 | Organic Chemicals |
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|
| Vitamin C | Dietary Supplement | A daily dietary supplement of 500 mg Vitamin C. Provided from POD2-3 until POD30 |
|
| Zinc | Dietary Supplement | A daily dietary supplement of 44 mg Zinc. Provided from POD2-3 until POD30 |
|
| L-Arginine | Dietary Supplement | A daily dietary supplement of 5 g L-Arginine. Provided from POD2-3 until POD30 |
|
| Up to 30 days |
| Length of stay (LOS) | 30 days |
| Experience of pain assessed by a VAS (Visual analogue scale) | Up to 30 days |
| Mobilization assessed by "Timed Up & Go (TUG)" | Timed Up & Go, also known as TUG, measures the time it takes a study subject to stand up, walk 3 meters, turn around, walk back and sit down. | Up to 30 days |
| Inflammatory responds assessed by blood sample analysis of the acute phase reactant CRP (c-reactive protein) | Up to 30 days |
| Inflammatory responds assessed by blood sample analysis of the acute phase reactant leucucytes | Up to 30 days |
| D006880 |
| Hydroxy Acids |
| D002241 | Carbohydrates |
| D019216 | Metals, Heavy |
| D004602 | Elements |
| D007287 | Inorganic Chemicals |
| D028561 | Transition Elements |
| D008670 | Metals |
| D024361 | Amino Acids, Basic |
| D000596 | Amino Acids |
| D000602 | Amino Acids, Peptides, and Proteins |
| D000599 | Amino Acids, Diamino |
| D000601 | Amino Acids, Essential |