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About
This research study was done to see what the effects are of Teduglutide on people with short bowel syndrome (SBS). Teduglutide is a synthetic medication administered as an injection, which has shown to increase intestinal blood flow, inhibit gastric secretion, increase growth of intestinal cells and increase absorption of nutrients. Teduglutide has demonstrated to decrease Total Parenteral Nutrition (TPN) requirements by 20%. Teduglutide is approved by the Food and Drug Administration (FDA) for the treatment of adult patients with Short Bowel Syndrome (SBS) who are dependent on parenteral support.
The primary hypotheses for this study were 1) that Teduglutide significantly increases the gastric emptying half time of solids when compared to placebo. 2) Teduglutide will significantly decrease the intestinal permeability and urinary excretion of lactulose when compared to placebo.
Full description
Short bowel syndrome (SBS) refers to the anatomical and/or functional decrease in small intestinal absorptive capacity, mostly caused by extensive intestinal resections. The decrease in intestinal absorptive capacity leads to malabsorption causing malnutrition, dehydration and weight loss, all of which severely impact patient's quality of life.
In this study, qualifying participants were assigned to 2 different treatment arms consisting of placebo or Teduglutide 0.05 mg/kg subcutaneously daily for seven days. Subsequently, participants were switched over to the alternate treatment arm for seven days, after a washout period of at least seven days. In both arms, after six days of treatment or placebo, participants underwent a series of measurements during day 7 of treatment, including 8 hour GI transit, permeability measurements by using mannitol and lactulose (0-2h, 2-8h collections), and 8 hour urine and stool collections for measurement of volume. Throughout the study participants filled out a food diary and a stool diary (number, consistency, ease of passage) every day.
On day 7 of each intervention period participants arrived in the clinical research unit after having fasted for at least 8 hours. Women of childbearing potential had a pregnancy test. Participants then received their seventh dose of placebo or Teduglutide (1 dose, 1 hour before breakfast). Technetium sestamibi (99mTc) pellets were ingested in a scrambled egg, toast, and milk meal (218 kcal) to facilitate measurement of gastric transit. All subjects received a standard 550 kcal meal at 4 hours (chicken meal) after the radiolabeled meal.
Enrollment
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Inclusion criteria
Exclusion criteria
Pregnant, trying to become pregnant or lactating
Diabetes
Alcohol or drug abuse within the last year by history
Active Crohn's disease as evaluated by standard procedures employed by the investigator
History of radiation enteritis, scleroderma, celiac disease, tropical sprue, diabetes, chronic pseudo-obstruction or malignancies
Previous use of Teduglutide or potential allergies to Teduglutide or its constituents
Any hospitalization within 1 month before screening
Use of Octreotide, intravenous glutamine growth hormone or growth factors such as native Glucagon-like Peptide 2 (GLP-2) within the last 12 weeks
Infliximab or other biological agents, Azathioprine, Methotrexate, Cyclosporine, Tacrolimus, Sirolimus, should be stable for at least 8 weeks prior to baseline and remain stable during the study
Diuretics and oral rehydration solutions will be required to be stable for ≥4 weeks prior to baseline evaluations and remain stable during the study
Change in dose of antimotility or secretory agents from 2 days prior to, and throughout the two phases and washout periods of the study
Use of tobacco products within the prior 1 month (since nicotine can affect permeability)
Use of NSAIDS or aspirin within the past week
Use of oral corticosteroids within the previous 6 weeks
Ingestion of artificial sweeteners such as Splenda (sucralose), Nutrasweet (aspartame), lactulose or mannitol 2 days each of the study measurement days, e.g., foods to be avoided are sugarless gums or mints and diet soda
History of pancreatitis
Primary renal impairment (estimated glomerular filtration rate (eGFR)) <30 ml/min.
Primary purpose
Allocation
Interventional model
Masking
8 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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