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Low Dose GT-02287

Phase 2

Parkinson Disease | Small molecule | Neurology |Gain Therapeutics, Inc.|Last Updated: Dec 12, 2025

Target and mechanism

Molecular targetGCase
Target classLysosomal Enzyme
ModalitySmall molecule

Also known as GT-02287

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials2
Total Enrollment131

FDA Designations

No designations recorded

Clinical trial landscape

Low Dose GT-02287 · 2 trials · 1 indication

Phase 2 1Phase 1 1
NCT07280299Efficacy, Safety, Tolerability, and Biomarker Effects of GT-02287 in Early Parkinson's DiseaseParkinson Disease
NOT YET_RECRUITING111 Analytics
PHASE2NOT YET_RECRUITING
Efficacy, Safety, Tolerability, and Biomarker Effects of GT-02287 in Early Parkinson's Disease
Parkinson DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Change from Baseline to Week 48 in the sum of the Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part II score and Part III score [Efficacy]
From baseline to Week 48

Change from Baseline to Week 48 in the sum of the Movement Disorder Society Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part II score and Part III score assessed in the practically defined OFF state. MDS-UPDRS is a multimodal scale assessing impairment and disability consisting of four parts. Part II assesses motor experiences of daily living (Range 0-52). It contains 13 questions which are to be rated by the patient and/or caregiver. Part III assesses the motor signs of PD and is rated by the investigator (Range 0-132). Part III contains 33 scores based on 18 items. For each question a numeric score is assigned between 0-4, where 0 = Normal, 1 = Slight, 2 = Mild, 3 = Moderate, 4 = Severe. A higher score indicates more severe symptoms of PD.

Incidence, nature, relationship to investigational product (IP), and severity of adverse events (AEs)
From first dose to Day 105
Incidence of clinically significant findings for clinical laboratory evaluations, physical and neurological examinations, body weight , vital signs measurements, 12-lead o 12-lead electrocardiograms (ECGs), Columbia Suicide Severity Rating Scale (C-SSRS)
From first dose to Day 105

Secondary Endpoints

Incidence of Treatment-Emergent Adverse Events [Safety and tolerability]
From baseline to Week 48
Change from Baseline to Week 48 in the MDS-UPDRS Part II score [Effect on motor function]
From baseline to Week 48
Change from Baseline to Week 48 in the MDS-UPDRS Part III score [Effect on motor function]
From baseline to Week 48
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Low Dose GT-02287ACTIVE_COMPARATORGT-02287 400 or 600 mg/day
High Dose GT-02287ACTIVE_COMPARATORGT-02287 800 or 1000 mg/day
PlaceboPLACEBO_COMPARATORMagnesium aluminometasilicate (MAS)
single-arm. All participants receive the active molecule (once daily GT-02287 administration)EXPERIMENTAL -

Interventions

NameTypeDescription
Low Dose GT-02287DRUGSachets containing 400 mg/day or 600 mg/day of active (GT-02287), depending on the participant's body weight. Each daily dose will be prepared as an oral suspension by mixing the content of 1 sachet with the vehicle (supplied in an amber glass bottle) and the requisite volume of tap water.
High Dose GT-02287DRUGSachets containing 800 mg/day or 1000 mg/day of active (GT-02287), depending on the participant's body weight. Each daily dose will be prepared as an oral suspension by mixing the content of 1 sachet with the vehicle (supplied in an amber glass bottle) and the requisite volume of tap water.
PlaceboDRUGSachets containing 420 to 1200 mg of MAS indistinguishable from the active sachets. Each daily dose will be prepared as an oral suspension by mixing the content of 1 sachet with the vehicle (supplied in an amber glass bottle) and the requisite volume of tap water.
GT-02287DRUGDose of 13.5 mg/kg/day (plus/minus 2 mg/kg/day based on body weight) to be administered orally once a day for 90 days. Dosage form: powder in sachet (200 mg of GT-02287 per sachet) for reconstitution with a suspending agent
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Eligibility Criteria

Age Range30 Years to 85 Years
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Able and willing to provide written informed consent and willing to comply with the requirements and restrictions of the study * Willing to undergo PD-related genetic testing and analysis * Any sex, ≥30 and ≤85 years of age * Body mass index of ≥18 and ≤40 kg/m2 and a body wei...

Countries:Australia
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Recent Changes (Last 90 Days)

LOWMay 26, 2026NCT06732180primaryCompletionDate: changed
LOWMay 26, 2026NCT07280299primaryCompletionDate: changed
LOWMay 24, 2026NCT06732180studyFirstPostDate: changed
LOWMay 24, 2026NCT07280299studyFirstPostDate: changed

Frequently asked questions about Low Dose GT-02287

What is Low Dose GT-02287 used for?

Low Dose GT-02287 is an investigational small molecule being developed for the treatment of Parkinson's disease. It is currently in clinical development and has not been approved by regulatory authorities. The drug is being studied in patients with Parkinson's disease to evaluate its safety, tolerability, pharmacokinetics, pharmacodynamics, efficacy, and biomarker effects.

What does GT-02287 target?

GT-02287 targets GCase, a lysosomal enzyme. By modulating this enzyme, the drug aims to address a potential underlying mechanism in Parkinson's disease. The therapeutic approach focuses on enhancing lysosomal function, which may be relevant to the disease pathology. This mechanism is being investigated in clinical trials for its potential benefit in Parkinson's disease.

Who is developing GT-02287?

GT-02287 is being developed by Gain Therapeutics, Inc., a biopharmaceutical company listed on the stock exchange under the ticker symbol GANX. The company is conducting clinical trials to evaluate the drug's safety and efficacy in Parkinson's disease. Gain Therapeutics is responsible for the drug's development program and regulatory strategy.

What phase is GT-02287 in?

GT-02287 is in Phase 2 clinical development for Parkinson's disease. The drug is currently being studied in a Phase 1 trial and a Phase 2 trial. The Phase 2 trial is designed to assess efficacy, safety, tolerability, and biomarker effects in early Parkinson's disease. The drug remains investigational and is not yet approved.

What clinical trials is GT-02287 in?

GT-02287 is being evaluated in two clinical trials. The first is NCT06732180, a Phase 1 study in Australia assessing safety, tolerability, pharmacokinetics, and pharmacodynamics in Parkinson's disease, with 20 participants. The second is NCT07280299, a Phase 2 trial in early Parkinson's disease evaluating efficacy, safety, tolerability, and biomarkers, with 111 participants.

Is GT-02287 the same as Low Dose GT-02287?

Yes, Low Dose GT-02287 is the same drug as GT-02287. The name "Low Dose GT-02287" refers to the same investigational compound, GT-02287, developed by Gain Therapeutics. The term "Low Dose" may indicate a specific dosage form or strength being studied, but the active pharmaceutical ingredient is identical.