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Completed

NCT Number: NCT05762471

Phase 1b/2a Study of GSBR-1290 in Adult Overweight or Obese Healthy Subjects and Subjects With Type 2 Diabetes Mellitus

This study will evaluate safety, tolerability, pharmacokinetic (PK) profile, and pharmacodynamic (PD) effects on GSBR-1290 in healthy overweight/obese volunteers (HOV) and Type 2 Diabetes Mellitus on Metformin (T2DM) This study includes 5 planned cohorts. Participants will receive multiple-ascending doses of GSBR-1290 or Placebo from Day 1 to Day 84

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Key information

Age range

18 year–75 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

Anaheim Clinical Trials, Anaheim, California, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

cohorts 1-4:

  • Provided evidence of a signed consent
  • Age ≥ 18 and ≤ 75 years
  • Healthy overweight/obese adult men and women with body mass index ≥ 27 and ≤ 40 kg/m2
  • No nicotine use
  • Have a suitable venous access for blood sampling

Inclusion criteria

cohort 5:

  • Men and women with T2DM of ≥6 months duration
  • Age ≥ 18 and ≤ 75 years
  • BMI ≥ 27 and ≤ 40 kg/m2
  • Treated with stable doses of ≥500 mg of metformin with a duration ≥6 months and at stable doses for ≥2 months with a screening HbA1c ≥7.0% and ≤10.5%.

Exclusion criteria

  • History or presence of significant cardiovascular, pulmonary, hepatic, renal, hematological, gastrointestinal, endocrine, immunologic, dermatologic or neurological disease, including any acute illness or major surgery within the major 3 months
  • A sitting BP after resting for 5 minutes > 160mm Hg systolic or > 100 mm Hg diastolic or an apical pulse rate <50 or >100 beats per minute.
  • Evidence of abnormality on the screening visit ECG, or a history of known arrhythmia or prolonged QTcF pr prolonged QRS interval
  • Liver function test results elevated > 2.0-fold above the ULN for gamma glutamyl transferase, alkaline phosphatase, aspartate aminotransferase or alanine aminotransferase. Bilirubin above the ULN
  • Estimated glomerular filtration rate < 60mL/min/1.73 m2 body surface area
  • Known hypersensitivity to any of the study drug ingredients
  • Any other condition or prior therapy that would make the participant unsuitable for this study

Treatment and study plan

GSBR-1290

Drug

Patients will receive GSBR-1290 or matching Placebo

Placebo

Drug

Patients will receive GSBR-1290 or matching Placebo

Primary outcomes

  1. Incidence, severity and relationship of AE/SAE, vital signs, laboratory measures and ECG to assess safety and tolerability of multiple oral doses of GSBR-1290 in HOV and T2DM

    Time frame: 42 days

Secondary outcomes

  1. Analysis of Cmax at specified timepoints predose and postdose to calculate PK parameters

    Time frame: 31 days

  2. Analysis of Tmax at specified timepoints predose and postdose to calculate PK parameters

    Time frame: 31 days

  3. Analysis of AUC at specified timepoints predose and postdose to calculate PK parameters

    Time frame: 31 days

  4. Identification of GSBR-1290 metabolites following oral administration of multiple doses in plasma

    Time frame: 31 days

Sponsors and collaborators

Lead sponsor

Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics

Industry

Registry information

Official study title

A Phase 1b/2a, Randomized, Double-blind, Placebo-controlled, Study of the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Multiple Ascending Doses of GSBR-1290 in Adult Overweight or Obese Healthy Subjects and in Subjects With Type 2 Diabetes Mellitus on Metformin

Important dates

Study start
2023
Primary completion
2024
Study completion
2024
First posted
Mar 9, 2023
Registry last updated
Apr 25, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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