Administration of GV1001 for the Treatment of Progressive Supranuclear Palsy Who Completed Study GV1001-PSP-CL2-011

Twelve-months Extension Study to Explore the Long-Term Safety and Efficacy of Subcutaneous Administration of GV1001 1.12 mg/Day in Patients With Progressive Supranuclear Palsy Who Completed Study GV1001-PSP-CL2-011

The study will be conducted by the Sponsor to evaluate Twelve-months Long-Term Safety and Efficacy of GV1001 (1.12 mg) administered subcutaneously as a treatment for Progressive Supranuclear Palsy(PSP). In 75 patients diagnosed with PSP Richardson(PSP-RS) or PSP-Parkinsonism (PSP-P) who Completed Study GV1001-PSP-CL2-011.

Study Overview

• Status: Completed
• Conditions: Progressive Supranuclear Palsy
• Intervention / Treatment: Drug: GV1001 Placebo; Drug: GV1001 1.12mg

Detailed Description

In GV1001-PSP-CL2-011 study, subjects who were in the trial group (Study Group 1(GV1001 0.56 mg/day), Study Group 2(GV1001 1.12 mg/day) is alternately administered High-dose test drug(GV1001 1.12 mg/day) and placebo once a week from Ex-Visit 1(Visit 16, Week 26) to Ex-Visit 5(Visit 20, Week 30) and High-dose test drugs(GV1001 1.12 mg/day) are administered from Ex-Visit 6 (Visit 21, Week 32) to Ex-Visit 26(Visit 41, Week 72) every two weeks.

In the GV1001-PSP-CL2-011 study, subjects who were in the placebo group are administered placebo at Ex-Visit 1 (Visit16, Week26), the first visit of the extension study, and Ex-Visit 2 (Visit17, Week27) to Ex-Visit 5 (Visit 20, Week 30), High-dose test drugs(GV1001 1.12 mg/day) are administered once a week and High-dose test drugs (GV1001 1.12 mg/day) are administered from Ex-Visit 6 (Visit 21, Week 32) to Ex-Visit 26(Visit 41, Week 72) every two weeks.

• Study Type: Interventional
• Enrollment (Actual): 67
• Phase: Phase 2

Contacts and Locations

Study Locations

• South Korea
  • Seongnam-si, South Korea
    • Seoul National University Bundang Hospital
  • Seoul, South Korea
    • Samsung Medical Center
  • Seoul, South Korea
    • Seoul National University Hospital
  • Seoul, South Korea
    • Kyung Hee University Hospital
  • Seoul, South Korea
    • Seoul Metropolitan Government Seoul National University Boramae Medical Center

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: Adult; Older Adult
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• A person who has been registered in the GV1001-PSP-CL2-011 clinical trial and has completed administration by Week 24
• A patient who accompanied all visits with the subject for the scheduled visit of this clinical trial, has a guardian who can supervise the subject's compliance with the examination and examination procedures conducted at the time of the visit, and provides information on the subject's indications, and whose guardian has agreed in writing to participate in the clinical trial (except where it is unnecessary to accompany the guardian at the discretion of the investigator)
• Patient and/or representative of the patient who has voluntarily agreed in writing to participate in this clinical trial

Exclusion Criteria:

• Patients deemed unsuitable by the investigator to participate in this extension study
• Pregnant or male subjects who do not consent to contraception by medically approved methods (surgical infertility, intrauterine contraceptive devices, fallopian tube ligature, double blocking (combined use of male condoms, female condoms, cervical caps, contraceptive diaphragm and sponges) and 90 days after clinical trial participation However, women who have undergone menopause or surgical infertility procedures (such as vasectomy and difficult conception on both sides) before participating in clinical trials can participate without consent to contraception.
• Pregnant women or breastfeeding women

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm

Intervention / Treatment

Experimental: GV1001 1.12 mg; In GV1001-PSP-CL2-011 study, subjects who were in the trial group (Study Group 1(GV1001 0.56 mg/day), Study Group 2(GV1001 1.12 mg/day) is alternately administered High-dose test drug(GV1001 1.12 mg/day) and placebo once a week from Ex-Visit 1(Visit 16, Week 26) to Ex-Visit 5(Visit 20, Week 30) and High-dose test drugs(GV1001 1.12 mg/day) are administered from Ex-Visit 6 (Visit 21, Week 32) to Ex-Visit 26(Visit 41, Week 72) every two weeks. In the GV1001-PSP-CL2-011 study, subjects who were in the placebo group are administered placebo at Ex-Visit 1 (Visit16, Week26), the first visit of the extension study, and Ex-Visit 2 (Visit17, Week27) to Ex-Visit 5 (Visit 20, Week 30), High-dose test drugs(GV1001 1.12 mg/day) are administered once a week and High-dose test drugs (GV1001 1.12 mg/day) are administered from Ex-Visit 6 (Visit 21, Week 32) to Ex-Visit 26(Visit 41, Week 72) every two weeks.

Drug: GV1001 Placebo; 0.9% normal saline; Other Names: Normal saline; Drug: GV1001 1.12mg; Lyophilized peptide from hTERT; Other Names: Tertomotide 1.68mg

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Adverse Event	Adverse Event	12 months
Change in Hematological tests WBC(10^3/µl)	WBC(10^3/µl) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests RBC(10^6/µl)	RBC(10^6/µl) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests Hemoglobin(g/dL)	Hemoglobin(g/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests Hematocrit(%)	Hematocrit(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests Platelets count(10^3/µl)	Platelets count(10^3/µl) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests WBC differential count (Neutrophils(%))	WBC differential count (Neutrophils(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests WBC differential count( Lymphocytes(%))	Lymphocytes(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests WBC differential count( Monocytes(%))	Monocytes(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests WBC differential count(Eosinophils(%))	Eosinophils(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematological tests WBC differential count(Basophils(%))	Basophils(%) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests BUN(mg/dL)	BUN(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Creatinine(mg/dL)	Creatinine(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Uric acid(mg/dL)	Uric acid(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Total bilirubin(mg/dL)	Total bilirubin(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Albumin(g/dL)	Albumin(g/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Total Protein(g/dL)	Total Protein(g/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests ALT(U/L)	ALT(U/L) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests AST(U/L)	AST(U/L) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests γ-GTP(U/L)	γ-GTP(U/L) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Alkaline phosphatase(U/L)	Alkaline phosphatase(U/L) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Glucose(mg/dL)	Glucose(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in Hematochemical tests Total Cholesterol(mg/dL)	Total Cholesterol(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in urine tests Protein-Albumin(mg/dL)	Protein-Albumin(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in urine tests Glucose(mg/dL)	Glucose(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in urine tests Ketones(mg/dL)	Ketones(mg/dL) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in urine tests WBC(HPF)	WBC(HPF) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Change in urine tests Blood-RBC(HPF)	Blood-RBC(HPF) For the laboratory test results, continuous variables will present the test values at each visit as well as descriptive statistics (number of subjects observed, mean, standard deviation, median, minimum, and maximum) for changes from the baseline(Ex-Visit 1(Visit 16, Week 26) by both integration and treatment group in the extension study. For categorical variables, shift tables will be presented by treatment group	12 months
Blood Pressure (mmHG)	Change in Blood Pressure (mmHG)	12 months
Pulse rate(beats per min)	Change in Pulse rate(beats per min)	12 months
Respiratory rate(breaths per min)	Change in Respiratory rate(breaths per min)	12 months
temperature(℃)	Change in temperature(℃)	12 months
EKG	EKG result(normal or abnormal)	12 months

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
Change from the baseline in the total score of PSP-rating scale	Change from the baseline in the total score of PSP-rating scale(Progressive Supranuclear Palsy Rating Scale) after 72 weeks (18 months) of investigational product administration. The possible total scores range from 0 to 100 with a higher score indicating severely impaired cognitive function.	18 months
Change from the baseline in the score of each domain of the PSP-rating scale	Change from the baseline in the score of each domain of the PSP-rating scale(Progressive Supranuclear Palsy Rating Scale) after 72 weeks (18 months) and 24 weeks (6 months) of investigational product administration. Each domain is rated from different range (0 to 8, 16, 20 or 24) with a higher total score indicating severely impaired cognitive function.	18 months
Change from the baseline in the score of each item of the PSP-rating scale	Change from the baseline in the score of each item of the PSP-rating scale(Progressive Supranuclear Palsy Rating Scale) after 72 weeks (18 months) of investigational product administration. Each item is rated from different range (0 to 2 or 4) with a higher total score indicating severely impaired cognitive function.	18 months
Change from the baseline in the Montreal Cognitive Assessment - Korea (MoCAK)	Change from the baseline in the Montreal Cognitive Assessment - Korea (MoCAK) after 72 weeks (18 months) of investigational product administration. The possible total scores range from 0 to 30 with a higher score indicating greater cognitive function.	18 months
Change from the baseline in the Korean Frontal Assessment Battery (K-FAB)	Change from the baseline in the Korean Frontal Assessment Battery (K-FAB) after 72 weeks (18 months) of investigational product administration. The possible total scores range from 0 to 18 with a higher score indicating greater cognitive function.	18 months
Change from the baseline in the England & Schwab Activity of Daily Living (ES ADL) scale	Change from the baseline in the England & Schwab Activity of Daily Living (ES ADL) scale after 72 weeks (18 months) of investigational product administration. The possible total scores range from 0 (complete dependence) to 100% (complete independence) based on the level of independence.	18 months

Collaborators and Investigators

• Sponsor: GemVax & Kael
• Investigators: Study Chair: Sang Jae Kim, GemVax & Kael

Study record dates

Study Major Dates

• Study Start (Actual): December 12, 2023
• Primary Completion (Actual): September 1, 2025
• Study Completion (Actual): September 1, 2025

Study Registration Dates

• First Submitted: December 11, 2023
• First Submitted That Met QC Criteria: January 23, 2024
• First Posted (Actual): February 1, 2024

Study Record Updates

• Last Update Posted (Actual): November 21, 2025
• Last Update Submitted That Met QC Criteria: November 18, 2025
• Last Verified: November 1, 2025

More Information

Terms related to this study

• Keywords: Progressive Supranuclear Palsy GV1001
• Additional Relevant MeSH Terms: Neurologic Manifestations; Brain Diseases; Central Nervous System Diseases; Nervous System Diseases; Eye Diseases; Tauopathies; Neurodegenerative Diseases; Movement Disorders; Basal Ganglia Diseases; Cranial Nerve Diseases; Ophthalmoplegia; Ocular Motility Disorders; Paralysis; Pathological Conditions, Signs and Symptoms; Signs and Symptoms; Supranuclear Palsy, Progressive; Pharmaceutical Preparations; Crystalloid Solutions; Isotonic Solutions; Solutions; Saline Solution
• Other Study ID Numbers: GV1001-PSP-CL2-011-E

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: NO

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: No