Effects of Gastric Bypass on Blood Levels of Duloxetine
A Preliminary Comparison of the Effect of Roux-en-Y Bariatric Surgery on Blood Levels of Duloxetine
1 other identifier
interventional
20
1 country
1
Brief Summary
This study aims to determine the difference, if any, in the pharmacokinetics of duloxetine between patients who are nine to fifteen months post Roux-en-Y Bariatric Surgery and control subjects matched for body mass index (BMI), age and gender.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Sep 2009
Typical duration for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2009
CompletedFirst Submitted
Initial submission to the registry
October 1, 2009
CompletedFirst Posted
Study publicly available on registry
October 2, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 1, 2012
CompletedStudy Completion
Last participant's last visit for all outcomes
November 1, 2012
CompletedResults Posted
Study results publicly available
August 11, 2014
CompletedAugust 11, 2014
July 1, 2014
3.1 years
October 1, 2009
April 8, 2014
July 17, 2014
Conditions
Keywords
Outcome Measures
Primary Outcomes (4)
Cmax
The difference, if any, in the pharmacokinetics parameters (Cmax) of duloxetine between patients who are nine to fifteen months post Roux-en-Y Bariatric Surgery and control subjects matched for BMI, age and gender.
0, 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.25, 2.5, 3.5, 4.5, 6.5, 8.5, 10.5, 24, 48. 72
Tmax
Time to maximum plasma concentration
0, 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.25, 2.5, 3.5, 4.5, 6.5, 8.5, 10.5, 24, 48. 72
AUCo-inf,
Area under the plasma concentration time curve
0, 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.25, 2.5, 3.5, 4.5, 6.5, 8.5, 10.5, 24, 48. 72
T1/2
Half life
0, 0.25, 0.5, 0.75, 1.0, 1.25, 1.5, 1.75, 2.25, 2.5, 3.5, 4.5, 6.5, 8.5, 10.5, 24, 48. 72
Secondary Outcomes (1)
Emesis
4 days
Study Arms (1)
Active drug
EXPERIMENTALAll subjects received drug. Single arm.
Interventions
Eligibility Criteria
You may qualify if:
- Male or female subjects between the ages of 18 and 60 years.
- Subjects must be of good general health by history and physical exam.
- Ten experimental subjects 9 to 15 months post bariatric surgery (Roux-en-Y procedure), no BMI requirement.
- Women of child bearing potential must be practicing an accepted method of birth control (barrier method or oral contraceptive) and have a negative pregnancy test at baseline.
- No contraindications to receiving a single capsule of 60 mg of duloxetine
You may not qualify if:
- Allergy to duloxetine or any of its constituents.
- Candidates who are pregnant or nursing
- Candidates currently receiving any antidepressant.
- Candidates that are determined to be poor metabolizers for CYP2D6
- Subjects who smoke or use any nicotine products
- Candidates currently receiving a medication that interacts with duloxetine.
- Candidates experiencing clinically significant, unstable neurological, hepatic, renal or cardiovascular disease.
- Candidates experiencing or with a history of vomiting or diarrhea associated with bariatric surgery
- Candidates currently or with a past history of meeting DSM-IV diagnostic criteria for schizophrenia, schizoaffective disorder, bipolar disorder.
- Candidates who have participated in an investigational drug study in past 30 days.
- Candidates who meet DSM-IV diagnostic criteria for drug/alcohol abuse or dependency or who have a history of drug/alcohol abuse or dependency.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Neuropsychiatric Research Institute, Fargo, North Dakotalead
- University of North Dakotacollaborator
- Eli Lilly and Companycollaborator
Study Sites (1)
Neuropsychiatric Research Institute
Fargo, North Dakota, 58103, United States
Related Links
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Dr. James Roerig
- Organization
- NRIFargo
Study Officials
- PRINCIPAL INVESTIGATOR
James L Roerig, PharmD, BCPP
Neuropsychiatric Research Institute and University of North Dakota
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NA
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- James L Roerig, PharmD, BCPP, Neuropsychiatric Research Institute and University of North Dakota
Study Record Dates
First Submitted
October 1, 2009
First Posted
October 2, 2009
Study Start
September 1, 2009
Primary Completion
October 1, 2012
Study Completion
November 1, 2012
Last Updated
August 11, 2014
Results First Posted
August 11, 2014
Record last verified: 2014-07