Effects of DHA on Pro-resolving Anti-inflammatory Mediators in Obese Patients Undergoing Weight-loss Treatment
Primary Purpose
Obesity, Inflammation
Status
Completed
Phase
Not Applicable
Locations
Spain
Study Type
Interventional
Intervention
Omega-3 DHA
Placebo
Sponsored by

About this trial
This is an interventional treatment trial for Obesity focused on measuring Docosahexaenoic Acids, Fatty Acids, Omega-3, Obesity, Inflammation
Eligibility Criteria
Inclusion Criteria:
- Age between 18 and 75 years
- Obese patients with Body Mass Index between 30 and 35
- Patients who, regardless of their inclusion in this study, are going to follow the standardized weight-loss programme (PronoKal® Method)
- Patients who agree to participate and sign the Informed Consent form
Exclusion Criteria:
- Treatment with Omega-3 fatty acid supplements for other reasons during the month prior to inclusion in the trial
- Treatment with acetylsalicylic acid (ASA), non-steroidal anti-inflammatory drugs (NSAIDS), corticoids or thiazolidinedione antidiabetic drugs (glitazones)
- Pregnant or nursing patients
- Haemopathy, including clotting disorders
- Treatment with dicoumarin anticoagulants (Sintrom®)
- Cancer or a history of cancer who have not received the oncologist's release
- Type 1 or type 2 diabetes mellitus
- Immune disorders (rheumatoid arthritis, lupus, etc.) and/or inflammatory disease (ulcerative colitis, Crohn's disease, etc.) that may alter the biological markers of inflammation
- Patients not expected to attend monitoring visits
Sites / Locations
- Research Support Unit. Río Hortega University Hospital
Arms of the Study
Arm 1
Arm 2
Arm Type
Active Comparator
Placebo Comparator
Arm Label
omega-3 DHA
Control
Arm Description
Patients in this group will receive 500 mg/day supplement of DHA omega-3 fatty acid in capsule form, in addition to the vitamin and oligoelement supplements which are part of the standard weight-loss programme.
Patients in control group will receive an placebo capsule, in addition to the vitamin and oligoelement supplements which are part of the standard weight-loss programme
Outcomes
Primary Outcome Measures
Proresolution Index
Proresolution index is the ratio of sum of proresolving mediators/sum of proinflammatory mediators
Sum of Proresolving Mediators at 6 Months
Sum of proresolving mediators at 6 months
Sum of Proinflammatory Mediators at 6 Months
Sum of proinflammatory mediators at 6 months
Secondary Outcome Measures
Weight at 6 Months
Weight at 6 months (end of the monitoring period)
Body Mass Index at 6 Months
Body mass index at 6 months (end of the monitoring period)
Waist Circumference at 6 Months
Waist circumference at 6 Months (end of the monitoring period)
C-reactive Protein (CRP) at 2 Months
Level of c-reactive protein (CRP) at 2 months
C-reactive Protein (CRP) at 6 Months
Level of c.reactive protein (CRP) at 6 months
Adiponectin at 2 Months
Level of Adiponectin at 2 months
Adiponectin at 6 Months
Level of Adiponectin at 6 months
Tnf Alpha at 2 Months
Level of Tnf alpha at 2 months
Tnf Alpha at 6 Months
Level of Tnf alpha at 6 months
Interleukin-6 at 2 Months
Level of Interleukin-6 at 2 months
Interleukin-6 at 6 Months
Level of Interleukin-6 at 6 months
Resistin at 2 Months
Level of Resistin at 2 months
Resistin at 6 Months
Level of Resistin at 6 months
Leptin at 2 Months
Level of Leptin at 2 months
Leptin at 6 Months
Level of Leptin at 6 months
15-HETE at 2 Months
Level of 15-HETE at 2 months
15-HETE at 6 Months
Level of 15-HETE at 6 months
12-HETE at 2 Months
Level 12-HETE at 2 months
12-HETE at 6 Months
Level of 12-HETE at 6 months
8-HETE at 2 Months
Level of 8-HETE at 2 months
8-HETE at 6 Months
Level of 8-HETE at 6 months
5-HETE at 2 Months
Level of 5-HETE at 2 months
5-HETE at 6 Months
Level of 5-HETE at 6 months
TXB2 at 2 Months
Level of TXB2 at 2 months
TXB2 at 6 Months
Level of TXB2 at 6 months
PGE2 at 2 Months
Level of PGE2 at 2 months
PGE2 at 6 Months
Level of PGE2 at 6 months
LTB4 at 2 Months
Level of LTB4 at 2 months
LTB4 at 6 Months
Level of LTB4 at 6 months
17-HDOHE at 2 Months
Level of 17-HDOHE at 2 months
17-HDOHE at 6 Months
Level of 17-HDOHE at 6 months
14-HDOHE at 2 Months
Level of 14-HDOHE at 2 months
14-HDOHE at 6 Months
Level of 14-HDOHE at 6 months
7-HDOHE at 2 Months
Level of 7-HDOHE at 2 months
7-HDOHE at 6 Months
Level of 7-HDOHE at 6 months
4-HDOHE at 2 Months
Level of 4-HDOHE at 2 months
4-HDOHE at 6 Months
Level of 4-HDOHE at 6 months
RVD2 at 2 Months
Level of RVD2 at 2 motnhs
RVD2 at 6 Months
Level of RVD2 at 6 months
PD1 at 2 Months
Level of PD1 at 2 months
PD1 at 6 Months
Level of PD1 at 6 months
7SMAR1 at 2 Months
Level of 7SMAR1 at 2 months
7SMAR1 at 6 Months
Level of 7SMAR1 at 6 months
7RMAR1 at 2 Months
Level of 7RMAR1 at 2 months
7RMAR1 at 6 Months
Level of 7RMAR1 at 6 months
Sum of Proinflammatory Mediators at 2 Months
sum of proinflammatory mediators at 2 months
Sum of Proresolving Mediators at 2 Months
sum of proresolving mediators at 2 months
Proresolution Index
Proresolution index is the ratio of sum of proresolving mediators/sum of proinflammatory mediators
Number of Participants With Adverse Events as a Measure of Safety and Tolerability
Number of Participants with Adverse Events as a Measure of Safety and Tolerability of standardized weight-loss programme (PronoKal® Method)and Safety and Tolerability of DHA Supplements
Full Information
1. Study Identification
Unique Protocol Identification Number
NCT01865448
Brief Title
Effects of DHA on Pro-resolving Anti-inflammatory Mediators in Obese Patients Undergoing Weight-loss Treatment
Official Title
Study to Assess the Effects of DHA (Docosahexaenoic Acid) on Pro-resolving Anti-inflammatory Mediators in Obese Patients Undergoing Weight-loss Treatment
Study Type
Interventional
2. Study Status
Record Verification Date
March 2019
Overall Recruitment Status
Completed
Study Start Date
May 2013 (undefined)
Primary Completion Date
December 2014 (Actual)
Study Completion Date
March 2015 (Actual)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Protein Supplies SL
4. Oversight
Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes
5. Study Description
Brief Summary
Comparative, randomized, placebo-controlled, single-centre, single-blind clinical trial to assess the effectiveness of providing additional DHA omega-3 fatty acids supplements to increase the levels of pro-resolving and anti-inflammatory lipid mediators and decrease the biological markers of chronic inflammation in obese patients following a weight-loss programme.
Detailed Description
Will include obese patients (BMI between 30 and 35) who are following a standardized, multidisciplinary weight-loss programme (PronoKal® Method), which consists of a very-low-calorie diet based on protein packets and vegetables with a low glycemic index, into which natural foods are gradually reintroduced, accompanied by physical exercise and emotional support.
Patients who are being treated with acetylsalicylic acid (ASA), non-steroidal anti-inflammatory drugs (NSAIDS), corticoids or thiazolidinedione antidiabetic drugs (glitazones); and patients with immune disorders (rheumatoid arthritis, Lupus, etc.) and/or inflammatory disease (ulcerative colitis, Crohn's disease, etc.) who may alter the biological markers of inflammation,will be excluded.
Treatment: In addition to the vitamin and oligoelement supplements which are part of the standard weight-loss programme, the patients will receive an additional 500 mg/day supplement of DHA omega-3 fatty acids in capsule form (study group) or a placebo capsule (control group).
The follow up will be 6 months and patients will be monitored over the course of 6 control visits: baseline, 7 days, 15 days, 30 days, 60 days and 180 days.
The main objective is to assess the effectiveness of providing additional DHA supplements to increase the levels of pro-resolving and anti-inflammatory lipid mediators and decrease the biological markers of chronic inflammation in obese patients following a weight-loss programme.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Obesity, Inflammation
Keywords
Docosahexaenoic Acids, Fatty Acids, Omega-3, Obesity, Inflammation
7. Study Design
Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Masking
Participant
Allocation
Randomized
Enrollment
34 (Actual)
8. Arms, Groups, and Interventions
Arm Title
omega-3 DHA
Arm Type
Active Comparator
Arm Description
Patients in this group will receive 500 mg/day supplement of DHA omega-3 fatty acid in capsule form, in addition to the vitamin and oligoelement supplements which are part of the standard weight-loss programme.
Arm Title
Control
Arm Type
Placebo Comparator
Arm Description
Patients in control group will receive an placebo capsule, in addition to the vitamin and oligoelement supplements which are part of the standard weight-loss programme
Intervention Type
Dietary Supplement
Intervention Name(s)
Omega-3 DHA
Other Intervention Name(s)
Docosahexaenoic Acid, omega-3 fatty acid, PUFA
Intervention Description
Patients take daily 2 tablets of Docosahexaenoic Acid
Intervention Type
Other
Intervention Name(s)
Placebo
Other Intervention Name(s)
placebo capsule
Intervention Description
Patients in control group take daily 2 placebo capsule
Primary Outcome Measure Information:
Title
Proresolution Index
Description
Proresolution index is the ratio of sum of proresolving mediators/sum of proinflammatory mediators
Time Frame
6 months
Title
Sum of Proresolving Mediators at 6 Months
Description
Sum of proresolving mediators at 6 months
Time Frame
6 months
Title
Sum of Proinflammatory Mediators at 6 Months
Description
Sum of proinflammatory mediators at 6 months
Time Frame
6 months
Secondary Outcome Measure Information:
Title
Weight at 6 Months
Description
Weight at 6 months (end of the monitoring period)
Time Frame
6 months
Title
Body Mass Index at 6 Months
Description
Body mass index at 6 months (end of the monitoring period)
Time Frame
6 months
Title
Waist Circumference at 6 Months
Description
Waist circumference at 6 Months (end of the monitoring period)
Time Frame
6 months
Title
C-reactive Protein (CRP) at 2 Months
Description
Level of c-reactive protein (CRP) at 2 months
Time Frame
2 months
Title
C-reactive Protein (CRP) at 6 Months
Description
Level of c.reactive protein (CRP) at 6 months
Time Frame
6 months
Title
Adiponectin at 2 Months
Description
Level of Adiponectin at 2 months
Time Frame
2 months
Title
Adiponectin at 6 Months
Description
Level of Adiponectin at 6 months
Time Frame
6 months
Title
Tnf Alpha at 2 Months
Description
Level of Tnf alpha at 2 months
Time Frame
2 months
Title
Tnf Alpha at 6 Months
Description
Level of Tnf alpha at 6 months
Time Frame
6 months
Title
Interleukin-6 at 2 Months
Description
Level of Interleukin-6 at 2 months
Time Frame
2 months
Title
Interleukin-6 at 6 Months
Description
Level of Interleukin-6 at 6 months
Time Frame
6 months
Title
Resistin at 2 Months
Description
Level of Resistin at 2 months
Time Frame
2 months
Title
Resistin at 6 Months
Description
Level of Resistin at 6 months
Time Frame
6 months
Title
Leptin at 2 Months
Description
Level of Leptin at 2 months
Time Frame
2 months
Title
Leptin at 6 Months
Description
Level of Leptin at 6 months
Time Frame
6 months
Title
15-HETE at 2 Months
Description
Level of 15-HETE at 2 months
Time Frame
2 months
Title
15-HETE at 6 Months
Description
Level of 15-HETE at 6 months
Time Frame
6 months
Title
12-HETE at 2 Months
Description
Level 12-HETE at 2 months
Time Frame
2 month
Title
12-HETE at 6 Months
Description
Level of 12-HETE at 6 months
Time Frame
6 months
Title
8-HETE at 2 Months
Description
Level of 8-HETE at 2 months
Time Frame
2 months
Title
8-HETE at 6 Months
Description
Level of 8-HETE at 6 months
Time Frame
6 months
Title
5-HETE at 2 Months
Description
Level of 5-HETE at 2 months
Time Frame
2 months
Title
5-HETE at 6 Months
Description
Level of 5-HETE at 6 months
Time Frame
6 months
Title
TXB2 at 2 Months
Description
Level of TXB2 at 2 months
Time Frame
2 months
Title
TXB2 at 6 Months
Description
Level of TXB2 at 6 months
Time Frame
6 months
Title
PGE2 at 2 Months
Description
Level of PGE2 at 2 months
Time Frame
2 months
Title
PGE2 at 6 Months
Description
Level of PGE2 at 6 months
Time Frame
6 months
Title
LTB4 at 2 Months
Description
Level of LTB4 at 2 months
Time Frame
2 months
Title
LTB4 at 6 Months
Description
Level of LTB4 at 6 months
Time Frame
6 months
Title
17-HDOHE at 2 Months
Description
Level of 17-HDOHE at 2 months
Time Frame
2 months
Title
17-HDOHE at 6 Months
Description
Level of 17-HDOHE at 6 months
Time Frame
6 months
Title
14-HDOHE at 2 Months
Description
Level of 14-HDOHE at 2 months
Time Frame
2 months
Title
14-HDOHE at 6 Months
Description
Level of 14-HDOHE at 6 months
Time Frame
6 months
Title
7-HDOHE at 2 Months
Description
Level of 7-HDOHE at 2 months
Time Frame
2 months
Title
7-HDOHE at 6 Months
Description
Level of 7-HDOHE at 6 months
Time Frame
6 months
Title
4-HDOHE at 2 Months
Description
Level of 4-HDOHE at 2 months
Time Frame
2 months
Title
4-HDOHE at 6 Months
Description
Level of 4-HDOHE at 6 months
Time Frame
6 months
Title
RVD2 at 2 Months
Description
Level of RVD2 at 2 motnhs
Time Frame
2 months
Title
RVD2 at 6 Months
Description
Level of RVD2 at 6 months
Time Frame
6 months
Title
PD1 at 2 Months
Description
Level of PD1 at 2 months
Time Frame
2 months
Title
PD1 at 6 Months
Description
Level of PD1 at 6 months
Time Frame
6 months
Title
7SMAR1 at 2 Months
Description
Level of 7SMAR1 at 2 months
Time Frame
2 months
Title
7SMAR1 at 6 Months
Description
Level of 7SMAR1 at 6 months
Time Frame
6 months
Title
7RMAR1 at 2 Months
Description
Level of 7RMAR1 at 2 months
Time Frame
2 months
Title
7RMAR1 at 6 Months
Description
Level of 7RMAR1 at 6 months
Time Frame
6 months
Title
Sum of Proinflammatory Mediators at 2 Months
Description
sum of proinflammatory mediators at 2 months
Time Frame
2 months
Title
Sum of Proresolving Mediators at 2 Months
Description
sum of proresolving mediators at 2 months
Time Frame
2 months
Title
Proresolution Index
Description
Proresolution index is the ratio of sum of proresolving mediators/sum of proinflammatory mediators
Time Frame
2 months
Title
Number of Participants With Adverse Events as a Measure of Safety and Tolerability
Description
Number of Participants with Adverse Events as a Measure of Safety and Tolerability of standardized weight-loss programme (PronoKal® Method)and Safety and Tolerability of DHA Supplements
Time Frame
6 months
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Maximum Age & Unit of Time
75 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Age between 18 and 75 years
Obese patients with Body Mass Index between 30 and 35
Patients who, regardless of their inclusion in this study, are going to follow the standardized weight-loss programme (PronoKal® Method)
Patients who agree to participate and sign the Informed Consent form
Exclusion Criteria:
Treatment with Omega-3 fatty acid supplements for other reasons during the month prior to inclusion in the trial
Treatment with acetylsalicylic acid (ASA), non-steroidal anti-inflammatory drugs (NSAIDS), corticoids or thiazolidinedione antidiabetic drugs (glitazones)
Pregnant or nursing patients
Haemopathy, including clotting disorders
Treatment with dicoumarin anticoagulants (Sintrom®)
Cancer or a history of cancer who have not received the oncologist's release
Type 1 or type 2 diabetes mellitus
Immune disorders (rheumatoid arthritis, lupus, etc.) and/or inflammatory disease (ulcerative colitis, Crohn's disease, etc.) that may alter the biological markers of inflammation
Patients not expected to attend monitoring visits
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Daniel De Luis, PhD
Organizational Affiliation
Unidad de Apoyo a la Investigacion. Hospital Rio Hortega
Official's Role
Principal Investigator
Facility Information:
Facility Name
Research Support Unit. Río Hortega University Hospital
City
Valladolid
Country
Spain
12. IPD Sharing Statement
Learn more about this trial
Effects of DHA on Pro-resolving Anti-inflammatory Mediators in Obese Patients Undergoing Weight-loss Treatment
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