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Dose-Escalation Study to Assess the Safety, Tolerability, and Pharmacokinetics From Single Dose of Intramuscular (IM) and Subcutaneous (SC) Donepezil (GB-5001) Injections Versus Donepezil Oral Tablet (Aricept®) in Healthy Male Volunteers

Phase 1
Recruiting
Conditions
Alzheimer Disease
Interventions
Registration Number
NCT06127368
Lead Sponsor
G2GBio, Inc.
Brief Summary

This study is to evaluate the safety and tolerability of single dose of GB-5001 (donepezil) IM and SC depot in healthy male Adults. And, It is to evaluate pharmacokinetic characteristics of GB-5001 (donepezil) IM and SC single dose injection vs. active comparator.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
Male
Target Recruitment
56
Inclusion Criteria
  • Healthy adult males,19 to 55 years of age, inclusive at the time of screening visit
  • Subject with a body weight of 55 kg or more and a body mass index (BMI) equal to or greater than 18.5 kg/m² but less than 30 kg/m²
  • Subject without congenital or chronic conditions, and with no pathological symptoms or findings on internal medical examination
  • Subject who has been deemed suitable based on screening test results assessed by the principal investigator
  • Subject who can understand this clinical trial, provide informed written consent prior to the clinical trial procedures
Exclusion Criteria
  • Subjects with the following medical history or symptoms, as determined by the Principal Investigator to pose a risk to the trial.

    • Renal/Genitourinary, Gastrointestinal, Cardiovascular, Cerebrovascular, Pulmonary, Endocrine, Immune, Musculoskeletal, Neurological, Psychiatric, Dermatological, and Hematological conditions.
    • Rhabdomyolysis
    • Seizure, Epilepsy, Fainting
    • peptic ulcer or gastrointestinal hemorrhage
    • Gastrointestinal pathology, uncontrollable gastrointestinal symptoms or a history of disturbing absorption, distribution, metabolism or excretion
    • Severe physical/organ abnormalities
    • Human immunodeficiency virus, Hepatitis B virus, Hepatitis C virus
  • Subjects with a history of, or currently receiving, the following medications, as determined by the Principal Investigator regarded as a risk to the trial.

    • Medications, including antidepressants, that can induce Rhabdomyolysis
    • Medications with a risk of ulcer development.
    • Potent inhibitors of cytochrome P450 (CYP) enzymes
    • Anticholinergic drugs, cholinomimetics, and other cholinesterase inhibitors
  • Subjects who have difficulty with venipuncture or injection procedures via catheter or intravenous access

  • Subjects who have been consistently engaging in excessive smoking or consuming caffeine or alcohol within the last 3 months prior to screening, or Subjects who cannot abstain from smoking, caffeine, and alcohol consumption for at least 2 days before the scheduled administration of the investigational product or during the inpatient period

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
GB-5001AGB-5001AGB-5001 Suspension for IM/SC injection at three doses(low, intermediate, high) The cohort is determined through random allocation.
GB-5001DGB-5001DGB-5001 Suspension for SC injection at three doses(low, intermediate, high) The cohort is determined through random allocation.
Oral cohortOral cohortAricept® tablet. The cohort is determined through random allocation.
Primary Outcome Measures
NameTimeMethod
Adverse EventsPart A: Cohort A, B : Upto Day 106 / Cohort C : Upto Day 71 / Cohort D : Upto Day 18, Part B: Cohort E, F, M : Upto Day 18 or Day 106

Number of participants with adverse events

Clinical Laboratory testsPart A: Cohort A, B : Upto Day 99 / Cohort C : Upto Day 64 / Cohort D : Upto Day 11, Part B: Cohort E, F, M : Upto Day 64 or Day 99

Incidence of abnormal clinically significant clinical laboratory test results. (Hematology, Blood Chemistry Test, Urine Test, Blood Coagulation Test, Serum Test and Urine Drug Screening Test.) /Day 1 to Day

Vital SignsPart A: Cohort A, B : Upto Day 99 / Cohort C : Upto Day 64 / Cohort D : Upto Day 11, Part B: Cohort E, F, M : Upto Day 64 or Day 99

Incidence of abnormal clinically significant vital signs.(Systolic and Diastolic Blood Pressure, Pulse Rate, Body Temperature)

Physical examinationPart A: Cohort A, B : Upto Day 99 / Cohort C : Upto Day 64 / Cohort D : Upto Day 11, Part B: Cohort E, F, M : Upto Day 64 or Day 99

Incidence of abnormal clinically significant Physical examination. (This includes an evaluation of the overall appearance and a review of the physical organ systems through questioning, visual inspection, and palpation.)

ElectrocardiogramsPart A: Cohort A, B : Upto Day 99 / Cohort C : Upto Day 64 / Cohort D : Upto Day 11, Part B: Cohort E, F, M : Upto Day 64 or Day 99

Incidence of abnormal clinically significant ECG results (Ventricular rate (beats/min), PR interval (msec), QRS (msec), QT (msec), QTc (msec)

Secondary Outcome Measures
NameTimeMethod
Pharmacokinetics (AUClast)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (Tmax)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (AUCinf)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (AUC 0-762)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (CL/F)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (Vd/F)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (t1/2)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (Tlag)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99
Pharmacokinetics (Cmax)Part A: Cohort A, B : upto Day 99 / Cohort C : upto Day 64 / Cohort D : Upto Day 11 , Part B: Cohort E, F, M : upto Day 11 or Day 99

Trial Locations

Locations (1)

Chungnam National University Hospital

🇰🇷

Daejeon, Korea, Republic of

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