A phase 2 study to assess the efficacy of NA-931 alone or in addition to Tirzepatide to assess efficacy and safety in overweight or obese men and women
This Phase 2 study investigates if NA-931 in addition to Tirzepatide can demonstrate synergic effects by enhancing efficacy and reducing adverse events including preserve/increase muscle mass in the presence of weight and/or fat mass loss.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
224
NA-931 (oral, daily), a quadruple receptor agonist Tirzepatide (Zepbound) placebo
Tirzepatide (s.c. weekly) * Glucagon-like peptide-1 (GLP-1) receptor agonist * Other Names: * Mounjaro * Zepbound NA-931 Placebo (oral, daily)
Tirzepatide (s.c. weekly), a Glucagon-like peptide-1 (GLP-1) receptor agonist • Other Names: * Mounjaro * Zepbound NA-931 Placebo (oral, daily)
Biomed Research Unit #90067-102
Los Angeles, California, United States
Biomed Research Unit # 92121-103
San Diego, California, United States
Change from baseline in body weight at 48 weeks
Change in total body weight will be measured from baseline to 48 weeks
Time frame: 48 weeks
Change from baseline in waist circumference (cm) at 48 weeks
Waist circumference will be measured in standing position with a non-stretchable measuring tape and to the nearest 0.1 centimeter (cm).
Time frame: 48 weeks
Change from baseline at 48 weeks in total body fat mass in kilograms (kg)
Fat mass will be obtained by dual-energy x-ray absorptiometry (DXA) Dual energy X-ray absorptiometry (DXA) will be used to assess changes in body composition.
Time frame: 48 weeks
Change from baseline at 48 weeks in percent body fat
Percent body fat will be obtained by dual-energy x-ray absorptiometry (DXA) Dual energy X-ray absorptiometry (DXA) will be used to assess changes in body composition.
Time frame: 48 weeks
Change from baseline at 48 weeks in visceral adipose tissue (VAT), subcutaneous adipose tissue (SAT) and trunk fat mass by dual-energy x-ray absorptiometry (DXA)
Dual energy X-ray absorptiometry (DXA) will be used to assess changes in body composition.
Time frame: 48 weeks
Proportion of participants at 48 weeks with change in waist circumference ≥ 5 cm
Waist circumference will be measured in standing position with a non-stretchable measuring tape and to the nearest 0.1 centimeter (cm).
Time frame: 48 weeks
Proportion of participants at 48 weeks with change in Body weight ≥ 5%, ≥ 10% and ≥15%
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NA-931, an oral, daily • A quadruple receptor agonist
NA-931 (oral, daily), a quadruple receptor agonist Tirzepatide (s.c. weekly) * Glucagon-like peptide-1 (GLP-1) receptor agonist * Other Names: * Mounjaro * Zepbound
NA-931 (oral daily), a quadruple receptor agonist Tirzepatide (s.c. weekly) * Glucagon-like peptide-1 (GLP-1) receptor agonist * Other Names: * Mounjaro * Zepbound
NA-931 150 mg + no Tirzepatide
NA-931 (oral, daily), a quadruple receptor agonist Tirzepatide (s.c. weekly) * Glucagon-like peptide-1 (GLP-1) receptor agonist * Other Names: * Mounjaro * Zepbound
NA-931 (oral, daily), a quadruple receptor agonist Tirzepatide (s.c. weekly) * Glucagon-like peptide-1 (GLP-1) receptor agonist * Other Names: * Mounjaro * Zepbound
Biomed Research Unit # 94104-101
San Francisco, California, United States
Biomed Research Unit # 33012-104
Hialeah, Florida, United States
Biomed Research Unit # 32256-105
Jacksonville, Florida, United States
Biomed Research Unit # 33461-106
Lake Worth, Florida, United States
Biomed Research Unit # 10021-107
New York, New York, United States
Biomed Research Unit # 77479-108
Sugar Land, Texas, United States
Biomed Research Unit-NSW-2100-109
Brookvale, New South Wales, Australia
Biomed Research Unit-NSW-2065-110
Saint Leonards,, New South Wales, Australia
...and 7 more locations
Body weight will be measured in kilograms (kg) to the nearest 0.1 kg.
Time frame: 48 weeks
Proportion of participants at 48 weeks with change in Fat mass ≥ 5% ≥ 10% ≥ 15% by Dual energy X-ray absorptiometry (DXA)
Dual energy X-ray absorptiometry (DXA) will be used to assess the changes in body composition.
Time frame: 48 weeks
Proportion of participants at 48 weeks with change in Fat mass ≥ 10% with <5% decrease (or and increase) in lean mass by Dual energy X-ray absorptiometry (DXA)
Dual energy X-ray absorptiometry (DXA) will be used to assess changes in body composition.
Time frame: 48 weeks
Percentage of weight loss due to fat mass or lean mass at 48 weeks by dual-energy x-ray absorptiometry (DXA)
Dual energy X-ray absorptiometry (DXA) will be used to assess changes in body composition
Time frame: 48 weeks
Change from baseline at 48 weeks in fat mass (kg and %) by bioelectrical impedance analysis (BIA)
Bioelectrical impedance analysis (BIA) is a widely used method for estimating body composition.
Time frame: 48 weeks
Change from baseline at 48 weeks in lean mass (kg and %) and appendicular lean mass by dual-energy x-ray absorptiometry (DXA)
Dual-energy x-ray absorptiometry (DXA) will be used to assess changes in body composition.
Time frame: 48 weeks
Change from baseline at 48 weeks in lean mass (kg) by bioelectrical impedance analysis (BIA)
Bioelectrical impedance analysis (BIA) is a widely used method for estimating body composition.
Time frame: 48 weeks
Safety and tolerability measurements throughout 48 weeks by TEAEs [safety labs, vital signs]
Incidence and severity of treatment emergent adverse events (TEAEs)
Time frame: 48 weeks
Proportion of Participants with change from baseline in Body Mass Index (BMI) categories at 48 weeks
BMI categories: (i) Healthy weight: 18.5 kg/m2 to 24.9 kg/m2 (ii) Overweight: 25 kg/m2 to 29.9 kg/m2 (iii) Obesity class 1: 30 kg/m2 to 34.9 kg/m2 (iv) Obesity class II: 35 kg/m2 to 39.9 kg/m2 (v) Obesity class III: ≥ 40 kg/m2
Time frame: 48 weeks
Proportion of Participants with change from baseline in waist-to-height ratio (WHtR ratio) categories at 48 weeks
Waist-to-height ratio WHtR ratio categories: \<0.5; 0.5-0.59; ≥0.6.
Time frame: 48 weeks
Change from baseline in HbA1c (mmol/mol) at 48 weeks
To assess treatment effects on glucose metabolism and HbA1c.
Time frame: 48 weeks
Change from baseline at 48 weeks in Quality of Life Short Form 36 (SF-36) survey
Change from baseline at 48 weeks in Quality of Life Short Form 36 (SF-36) survey. To assess a subject's overall health related quality of life, as well as the physical functioning score. SF- 36 scores range from 0 (worst) to 100 (best).
Time frame: 48 weeks
Change from Baseline at 48 weeks in Impact of Weight on Quality of Life-Lite for Clinical Trials (IWQOL-Lite)
Change from baseline in IWQOL-Lite CT. IWQOL-Lite CT is a 20-item modified survey instrument that is used to quantitatively assess an individual's perception of how their weight affects their day- to-day life, as well as the physical function score. Scores range from 0 (worst) to 100 (best).
Time frame: 48 weeks