MAD Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of PB-119 to Subjects With T2DM

Phase 1

Completed

• Conditions: Type2 Diabetes Mellitus
• Interventions: Biological: PB-119 injection; Biological: PB-119 injection placebo

• Registration Number: NCT03072407
• Lead Sponsor: PegBio Co., Ltd.

Brief Summary

This was a phase 1, randomized, double-blind, placebo-controlled, sequential parallel group, MAD study to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of four once-weekly subcutaneous doses of PB-119 to subjects with T2DM.

Detailed Description

Dose levels of 25 µg, 50 µg, 100 µg and 200 µg with a dosing regimen of once weekly for 4 consecutive weeks will be evaluated

Study Timeline

• Study Start: 2015-11-24
• Primary Completion: 2016-11-02
• Study Completion: 2016-11-15
• Study First Submitted: 2017-03-02
• Study First Submitted QC: 2017-03-06
• Study First Posted: 2017-03-07
• Status Verified: 2018-04
• Last Update Submitted: 2018-04-18
• Last Update Posted: 2018-04-20

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

1. Patients in whom T2DM has been diagnosed for at least 3 months prior to screening and have not been taking any treatment but have made lifestyle modifications (i.e., diet and exercise) for at least 4 weeks or are taking metformin (with no change in the treatment including dose over the past 2 months).
2. In good general health as determined by the investigator at screening evaluation
3. Male and/or female subjects between the ages of 18 and 70 years, inclusive;
4. Are capable of giving informed consent and complying with study procedures;
5. Body Mass Index (BMI) of approximately 22 to 40 kg/m2;
6. Fasting C-peptide test result must be >0.4 nmol/L;
7. HbA1c ≥6.5 % and ≤12%;
8. Female subjects must have a negative urine pregnancy test result prior to enrollment.
9. Nonsmoker,
10. Willing and able to adhere to study restrictions and to be confined at the clinical research center.

Exclusion Criteria

1. Subjects with a personal or family history of medullary thyroid carcinoma (MTC) or in subjects with Multiple Endocrine Neoplasia syndrome type 2 (MEN 2);
2. Screening fasting blood glucose ≤100 or ≥270 mg/dL
3. Type 1 diabetes mellitus, or latent autoimmune diabetes in adults; diabetic neuropathy, retinopathy or nephropathy;
4. Previous treatment with an approved or investigational GLP-1 mimetic;
5. Patients treated with any investigational drugs within 6 weeks of screening;
6. Subjects with pancreatitis;
7. Clinically significant gastrointestinal disorder
8. History or symptoms of clinically significant cardiovascular disease, particularly coronary artery disease, arrhythmias, atrial tachycardia,
9. Uncontrolled hypertension at screening;
10. History of clinically significant central nervous system disease including: transient ischemic attack, stroke, seizure disorder, depression,
11. History of liver disease
12. History of clinically significant renal disease
13. Uncontrolled severe dyslipidemia;
14. Positive blood screen for human immunodeficiency virus (HIV), hepatitis B surface antigen (HBsAg), or hepatitis C antibody;
15. A hospital admission or major surgery within 30 days prior to screening;
16. A history of prescription drug abuse, or illicit drug use within 6 months prior to screening;
17. A history of alcohol abuse according to medical history within 6 months prior to screening;
18. A positive screen for alcohol, or drugs of abuse;
19. An unwillingness or inability to comply with food and beverage restrictions during study participation;
20. Use of prescription or over-the-counter (OTC) medications, and herbal An
21. Unwillingness of male participants to use appropriate contraceptive measures if engaging in sexual intercourse with a female partner of childbearing potential. Appropriate measures include use of a condom and spermicide and, for female partners, use of an intrauterine device (IUD), diaphragm with spermicide, oral contraceptives, injectable progesterone, progesterone subdermal implants, or a tubal ligation. Sexual intercourse with pregnant or lactating women is prohibited

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
PB-119 injection 50ug	PB-119 injection	totally 8 subjects will have PB-119 injection 50 ug once per weekly for 4 weeks
PB-119 injection 25ug	PB-119 injection	totally 8 subjects will have PB-119 injection 25 ug once per weekly for 4 weeks
PB-119 injection placebo	PB-119 injection placebo	totally 8 subjects will have PB-119 injection placebo once per weekly for 4 weeks.
PB-119 injection 200ug	PB-119 injection	totally 8 subjects will have PB-119 injection 200 ug once per weekly for 4 weeks
PB-119 injection 100ug	PB-119 injection	totally 8 subjects will have PB-119 injection 100 ug once per weekly for 4 weeks

Primary Outcome Measures

Name	Time	Method
the number of AEs and the finding from the physical examination, the abnormal lab results	accessed up to 4 weeks	include monitoring of AEs, vital signs (blood pressure, pulse rate, respiratory)

Secondary Outcome Measures

Name	Time	Method
PB-119 blood plasma concentration	accessed up to 4 weeks	to collect PB-119 blood plasma concentration of the subjects who use PB-119 intervention
Insulin sensitivity (SI)	accessed up to 4 weeks	be estimated from glucose and insulin concentration
Disposition Index	accessed up to 4 weeks	be calculated for each individual subject as the product of SI and Φtotal
Beta-cell Responsivity Index	accessed up to 4 weeks	be estimated from serum glucose and c-peptide concentrations
PB-119 antibody	accessed up to 4 weeks	the number of subjects who are with positive antibody results

Trial Locations

Locations (2)

Clinical Pharmacology of Miami, Inc.; 🇺🇸 Miami, Florida, United States

Frontage Clinical Services. Inc.; 🇺🇸 Hackensack, New Jersey, United States