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| Name | Class |
|---|---|
| AstraZeneca | INDUSTRY |
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Dapagliflozin is a medicine to treat diabetes. Its mechanism of action is via sodium-glucose co-transporter 2 (SGLT2) inhibition. In adults with diabetes, use of sodium-glucose co-transporter 2 inhibitors is associated with moderate weight (fat) loss, in addition to other health benefits, including decreased blood pressure, decreased inflammation, and decreased oxidative stress. It is unclear as to whether these health benefits are due to SGLT2 inhibition per se, or as a secondary effect of weight loss. We wish to compare the health benefits of dietary counseling for weight loss with and without concomitant use of an SGLT2 inhibitor.
This is a randomized, prospective, placebo-controlled, double blind, repeated measures study. 50 overweight/obese adults (body mas index > 27.5 kg/m2) will be recruited for participation and randomly assigned to one of two 12 week treatments: (1) daily oral administration of Dapagliflozin with dietary counseling to promote weight loss; or, (2) daily oral administration of a placebo with dietary counseling to promote weight loss.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dapagliflozin with dietary counseling | Experimental | Daily oral administration of dapagliflozin tablet with dietary counseling to promote weight loss. |
|
| Placebo with dietary counseling | Placebo Comparator | Daily oral administration of placebo tablet with dietary counseling to promote weight loss. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dapagliflozin Tablet | Drug | Daily oral administration of dapagliflozin with dietary counseling to promote weight loss. Dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
| Measure | Description | Time Frame |
|---|---|---|
| Change From Baseline in Insulin Sensitivity at Week 12 Via Oral Glucose Tolerance Test | Insulin sensitivity was estimated by measuring circulating insulin concentrations after a 12 hour fast and after ingesting 75 g of glucose. Insulin was measured 0, 30, 60, 90 and 120 minutes after glucose ingestion. Time point 0 minutes is reported below. | Baseline, 12 weeks |
| Change From Baseline in Blood Pressure at Week 12 | Blood pressure was measured with an automatic machine at baseline. Numbers are reported as systolic/diastolic | Baseline, 12 weeks |
| Change From Baseline in Perception of Satiety at Week 12 | Participants answered a satiety questionnaire before liquid meal primer, immediately post liquid meal primer, 60 minutes post liquid primer, immediately post breakfast buffet, 60 minutes, 120 minutes and 180 minutes post breakfast buffet. Responses how full do you feel right now? for 60 minutes post liquid meal primer ingestion are reported below. This was determined by using a visual analog scale. The left side of the analog scale represents a null answer (e.g. How full do you feel right now)? Answer 0: Not full at all. The right side of the line represented the strongest answer in the opposite direction (e.g. How full to you feel right now)? Answer 100: Extremely full. The length of the line is 100 mm, thus the scale ranges for all answers were 0-100. All values are reported as values between 0 and 100. If the answers to the fullness questions increased, this represented a decreased desire to eat. | Baseline, 12 weeks |
| Change From Baseline in Perception of Hunger at Week 12 | Participants answered a hunger questionnaire before liquid meal primer, immediately post liquid meal primer, 60 minutes post liquid primer, immediately post breakfast buffet, 60 minutes, 120 minutes and 180 minutes post breakfast buffet. Responses to how hungry do you feel right now? for 60 minutes post liquid meal primer ingestion are reported below. This was determined by using a visual analog scale. The left side of the analog scale represents a null answer (e.g. How hungry do you feel right now? Answer 0: Not hungry at all. The right side of the line represented the strongest answer in the opposite direction (e.g. How full to you feel right now)? Answer 100: Extremely hungry. The length of the line is 100 mm, thus the scale ranges for all answers were 0-100. All values are reported as values between 0 and 100. If the answers to the fullness questions increased, this represented an increased desire to eat. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Christopher Bell, Ph.D. | Colorado State University | Principal Investigator |
| Christopher Melby, Dr.P.H. | Colorado State University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Colorado State University, Dept. of Health and Exercise Science | Fort Collins | Colorado | 80523-1582 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | Dapagliflozin With Dietary Counseling | Daily oral administration of dapagliflozin tablet with dietary counseling to promote weight loss. Dapagliflozin Tablet: Daily oral administration of dapagliflozin with dietary counseling to promote weight loss. Dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
| FG001 | Placebo With Dietary Counseling | Daily oral administration of placebo tablet with dietary counseling to promote weight loss. Placebo Tablet: Daily administration of placebo tablet with dietary counseling to promote weight loss. Matching placebo for dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
|
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| ID | Title | Description |
|---|---|---|
| BG000 | Dapagliflozin With Dietary Counseling | Daily oral administration of dapagliflozin tablet with dietary counseling to promote weight loss. Dapagliflozin Tablet: Daily oral administration of dapagliflozin with dietary counseling to promote weight loss. Dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Categorical | Count of Participants |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Change From Baseline in Insulin Sensitivity at Week 12 Via Oral Glucose Tolerance Test | Insulin sensitivity was estimated by measuring circulating insulin concentrations after a 12 hour fast and after ingesting 75 g of glucose. Insulin was measured 0, 30, 60, 90 and 120 minutes after glucose ingestion. Time point 0 minutes is reported below. | Posted | Mean | Standard Deviation | mU/L | Baseline, 12 weeks |
|
Adverse event data was collected throughout the 12 week intervention period.
Subjects were withdrawn are included in the Adverse Event data but are not included in the analysis of the Baseline Characteristics and the Outcome Measures data.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Dapagliflozin With Dietary Counseling | Daily oral administration of dapagliflozin tablet with dietary counseling to promote weight loss. Dapagliflozin Tablet: Daily oral administration of dapagliflozin with dietary counseling to promote weight loss. Dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
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| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Allergies | Immune system disorders | Non-systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Christopher Bell | Colorado State University | 9704917522 | christopher.bell@colostate.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP_ICF | Yes | Yes | Yes | Study Protocol, Statistical Analysis Plan, and Informed Consent Form | Mar 22, 2018 | Jan 31, 2020 | Prot_SAP_ICF_000.pdf |
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| ID | Term |
|---|---|
| D015431 | Weight Loss |
| ID | Term |
|---|---|
| D001836 | Body Weight Changes |
| D001835 | Body Weight |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| C529054 | dapagliflozin |
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|
|
| Placebo Tablet | Drug | Daily administration of placebo tablet with dietary counseling to promote weight loss. Matching placebo for dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
|
| Baseline, 12 weeks |
| Change From Baseline in Marker of Inflammation (High Sensitive C-reactive Protein) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| Change From Baseline in Marker of Inflammation (Tumor Necrosis Factor Alpha) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| Change From Baseline in Marker of Inflammation (Interleukin 6) at Week 12 | Will be analyzed using a commercially available biochemical assay. | data not collected |
| Change From Baseline in Hunger Hormone Ghrelin at Week 12 | Will be analyzed using a commercially available biochemical assay. | data not collected |
| Change From Baseline in Hunger Hormone Peptide Tyrosine Tyrosine at Week 12 | Will be analyzed using a commercially available biochemical assay. | data not collected |
| Change From Baseline in Maker of Oxidative Stress (Oxidized Low Density Lipoprotein) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| Change From Baseline in Maker of Oxidative Stress (Low Density Thiobarbituric Acid Reactive Substances) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| Change From Baseline in Satiety Hormone Leptin at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| Change From Baseline in Satiety Hormone Insulin at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected |
| BG001 | Placebo With Dietary Counseling | Daily oral administration of placebo tablet with dietary counseling to promote weight loss. Placebo Tablet: Daily administration of placebo tablet with dietary counseling to promote weight loss. Matching placebo for dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
| BG002 | Total | Total of all reporting groups |
| Participants |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Race and Ethnicity Not Collected | Race and Ethnicity were not collected from any participant. | Count of Participants | Participants |
|
| Height | Mean | Standard Deviation | meters |
|
| Body Mass | Mean | Standard Deviation | kg |
|
| Body Mass Index | Mean | Standard Deviation | kg/m2 |
|
| Systolic Blood Pressure | Mean | Standard Deviation | mmHg |
|
| Diastolic Blood Pressure | Mean | Standard Deviation | mmHg |
|
| Peak Oxygen Uptake | Mean | Standard Deviation | ml/kg/min |
|
| Fasting Glucose | Mean | Standard Deviation | mg/dL |
|
| Fasting Insulin | Mean | Standard Deviation | mU/L |
|
| Dietary Intake | Mean | Standard Deviation | kcal/day |
|
| Carbohydrate | Mean | Standard Deviation | g/day |
|
| Fat | Mean | Standard Deviation | g/day |
|
| Protein | Mean | Standard Deviation | g/day |
|
| eGFR | Mean | Standard Deviation | mL/min/173m2 |
|
| OG001 | Placebo With Dietary Counseling | Daily oral administration of placebo tablet with dietary counseling to promote weight loss. Placebo Tablet: Daily administration of placebo tablet with dietary counseling to promote weight loss. Matching placebo for dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. |
|
|
| Primary | Change From Baseline in Blood Pressure at Week 12 | Blood pressure was measured with an automatic machine at baseline. Numbers are reported as systolic/diastolic | Posted | Mean | Standard Deviation | mmHg | Baseline, 12 weeks |
|
|
|
| Primary | Change From Baseline in Perception of Satiety at Week 12 | Participants answered a satiety questionnaire before liquid meal primer, immediately post liquid meal primer, 60 minutes post liquid primer, immediately post breakfast buffet, 60 minutes, 120 minutes and 180 minutes post breakfast buffet. Responses how full do you feel right now? for 60 minutes post liquid meal primer ingestion are reported below. This was determined by using a visual analog scale. The left side of the analog scale represents a null answer (e.g. How full do you feel right now)? Answer 0: Not full at all. The right side of the line represented the strongest answer in the opposite direction (e.g. How full to you feel right now)? Answer 100: Extremely full. The length of the line is 100 mm, thus the scale ranges for all answers were 0-100. All values are reported as values between 0 and 100. If the answers to the fullness questions increased, this represented a decreased desire to eat. | Posted | Mean | Standard Deviation | score on a scale | Baseline, 12 weeks |
|
|
|
| Primary | Change From Baseline in Perception of Hunger at Week 12 | Participants answered a hunger questionnaire before liquid meal primer, immediately post liquid meal primer, 60 minutes post liquid primer, immediately post breakfast buffet, 60 minutes, 120 minutes and 180 minutes post breakfast buffet. Responses to how hungry do you feel right now? for 60 minutes post liquid meal primer ingestion are reported below. This was determined by using a visual analog scale. The left side of the analog scale represents a null answer (e.g. How hungry do you feel right now? Answer 0: Not hungry at all. The right side of the line represented the strongest answer in the opposite direction (e.g. How full to you feel right now)? Answer 100: Extremely hungry. The length of the line is 100 mm, thus the scale ranges for all answers were 0-100. All values are reported as values between 0 and 100. If the answers to the fullness questions increased, this represented an increased desire to eat. | Posted | Mean | Standard Deviation | score on a scale | Baseline, 12 weeks |
|
|
|
| Primary | Change From Baseline in Marker of Inflammation (High Sensitive C-reactive Protein) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| Primary | Change From Baseline in Marker of Inflammation (Tumor Necrosis Factor Alpha) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| Primary | Change From Baseline in Marker of Inflammation (Interleukin 6) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | data not collected |
|
|
| Primary | Change From Baseline in Hunger Hormone Ghrelin at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | data not collected |
|
|
| Primary | Change From Baseline in Hunger Hormone Peptide Tyrosine Tyrosine at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | data not collected |
|
|
| Primary | Change From Baseline in Maker of Oxidative Stress (Oxidized Low Density Lipoprotein) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| Primary | Change From Baseline in Maker of Oxidative Stress (Low Density Thiobarbituric Acid Reactive Substances) at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| Primary | Change From Baseline in Satiety Hormone Leptin at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| Primary | Change From Baseline in Satiety Hormone Insulin at Week 12 | Will be analyzed using a commercially available biochemical assay. | Data not collected | Posted | Data not collected |
|
|
| 0 |
| 33 |
| 0 |
| 33 |
| 28 |
| 33 |
| EG001 | Placebo With Dietary Counseling | Daily oral administration of placebo tablet with dietary counseling to promote weight loss. Placebo Tablet: Daily administration of placebo tablet with dietary counseling to promote weight loss. Matching placebo for dapagliflozin 5 mg tablet will begin as one tablet per day for the first 14-days. In the absence of complications, side effects, or unfavorable reactions, the dose will then increase to two tablets for the remainder of the study. | 0 | 29 | 0 | 29 | 23 | 29 |
| Cold Symptoms | Infections and infestations | Non-systematic Assessment |
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| Stomach Pain and Diarrhea | Gastrointestinal disorders | Non-systematic Assessment |
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| Headache and Dizziness | General disorders | Non-systematic Assessment |
|
| Muscle Joint Soreness and Pain | Musculoskeletal and connective tissue disorders | Non-systematic Assessment |
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| Urinary Disorders, Yeast Infections and PMS | General disorders | Non-systematic Assessment |
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| Tooth Pain | General disorders | Non-systematic Assessment |
|
| Cold Sores | General disorders | Non-systematic Assessment |
|
| Inflammation | General disorders | Non-systematic Assessment |
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| Acne | Skin and subcutaneous tissue disorders | Non-systematic Assessment |
|
| Vitamin D Deficiency | General disorders | Non-systematic Assessment |
|
| Thirst | General disorders | Non-systematic Assessment |
|
| Anxiety Attack | General disorders | Non-systematic Assessment |
|
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