The goal of this clinical trial is to learn if bezisterim can treat movement symptoms of Parkinson's disease in patients that are 45 to 80 years old, in generally good physical and mental health, and are nearing the need for treatment to relieve their symptoms but have not yet been prescribed any form of levodopa or drug with similar activity. The main questions it aims to answer are: * Will bezisterim decrease movement symptoms of Parkinson's disease? * What medical problems do participants have when taking bezisterim? Researchers will compare the effects of bezisterim treatment to placebo (a look-alike substance that contains no drug) to see if bezisterim works to treat movement symptoms of Parkinson's disease. Participants will * have a physical examination that includes an electrocardiogram * take drug or placebo twice daily for four months * visit a clinical site or receive an at home visit seven times over the course of five months
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
57
NE3107 20 mg BID
Placebo BID
Quest Research Institute
Farmington Hills, Michigan, United States
Dent Neurologic
Amherst, New York, United States
Science 37 (Nationwide Site)
Morrisville, North Carolina, United States
NeuroScience Research Center, LLC
Canton, Ohio, United States
Monocyte Lymphocyte Ratio (MLR)
A unitless inflammatory biomarker calculated by dividing the absolute peripheral blood monocyte count by the absolute peripheral blood lymphocyte count, using values derived from clinical hematology (complete blood count with differential)
Time frame: 12 Weeks
Change in Systemic Inflammation Response Index (SIRI)
A unitless measure of systemic inflammation calculated as the product of the absolute blood neutrophil count and absolute blood monocyte count divided by the absolute blood lymphocyte count in samples obtained for clinical hematology testing.
Time frame: 12 weeks
Change in Neutrophil-to-Lymphocyte Ratio (NLR)
A unitless measure of systemic inflammation calculated as the ratio of the absolute peripheral blood neutrophil count to the absolute peripheral blood lymphocyte count obtained from routine clinical hematology assessments.
Time frame: 12 weeks
Change in Systemic Immune-Inflammation Index (SII)
A unitless composite measure of systemic inflammation and immune status calculated as the product of the absolute peripheral blood platelet count and neutrophil count divided by the absolute peripheral blood lymphocyte count obtained from routine clinical hematology assessments.
Time frame: 12 weeks
Change in Platelet-to-Lymphocyte Ratio (PLR)
A unitless measure of systemic inflammation calculated as the ratio of the absolute peripheral blood platelet count to the absolute peripheral blood lymphocyte count obtained from routine clinical hematology assessments.
Time frame: 12 weeks
Change in Aggregate Index of Systemic Inflammation (AISI)
A unitless composite measure of systemic inflammation calculated as the product of the absolute peripheral blood neutrophil count, monocyte count, and platelet count divided by the absolute peripheral blood lymphocyte count obtained from routine clinical hematology assessments.
Time frame: 12 weeks
Change in the Composite Benefit Score (CBS)
Early Parkinson's Neuro-Inflammatory Composite-15 (EPNIC-15), a composite endpoint consisting of 15 clinically relevant motor and non-motor measures derived from MDS-UPDRS Parts I, II, and III and PDSS-2 assessments. Lower scores indicate improvement in Parkinson's disease symptoms.
Time frame: 12 weeks
Change in MDS-UPDRS modified Part III
Change from baseline in MDS-UPDRS Modified Part III score, a clinician-rated measure of Parkinson's disease motor signs assessed using a modified Part III examination. The scale evaluates motor manifestations including speech, tremor, rigidity, bradykinesia, gait, posture, and postural stability. Higher scores indicate worse motor impairment.
Time frame: 12 weeks
Change in MDS-UPDRS Part II scores
Change from baseline in MDS-UPDRS Part II score. MDS-UPDRS Part II assesses the impact of Parkinson's disease motor symptoms on activities of daily living, with higher scores indicating greater impairment and negative changes indicating improvement.
Time frame: 12 weeks
Change in MDS-UPDRS Part I scores
Change from baseline in MDS-UPDRS Part I score. MDS-UPDRS Part I assesses non-motor experiences of daily living in Parkinson's disease, with higher scores indicating greater symptom burden and negative changes indicating improvement.
Time frame: 12 weeks
Change in MDS-UPDRS combined scores
Change from baseline in the combined MDS-UPDRS score (Parts I + II + III). The combined score assesses overall Parkinson's disease burden across non-motor symptoms, activities of daily living, and motor signs, with higher scores indicating greater impairment and negative changes indicating improvement.
Time frame: 12 weeks
Change in PDQ-39 score
Change from baseline in PDQ-39 total score. The Parkinson's Disease Questionnaire-39 (PDQ-39) assesses health-related quality of life across eight domains affected by Parkinson's disease. Higher scores indicate worse quality of life and negative changes indicate improvement.
Time frame: 12 weeks
Clinician's General Impression of Improvement (CGI-I)
Clinician's Global Impression of Improvement (CGI-I) score. The CGI-I is a clinician-rated measure of overall change in a participant's condition compared with baseline, scored on a 7-point scale from 1 (very much improved) to 7 (very much worse). Lower scores indicate greater improvement.
Time frame: 12 weeks
Clinician's General Impression of Severity (CGI-S)
Change from baseline in Clinician's Global Impression of Severity (CGI-S) score. The CGI-S is a clinician-rated measure of overall illness severity scored on a 7-point scale from 1 (normal, not at all ill) to 7 (among the most extremely ill patients). Higher scores indicate greater severity and negative changes indicate improvement.
Time frame: 12 weeks
Change in PARCOMS-Motor (modified to adjust for missing MDS-UPDRS Part III scores)
Change from baseline in modified PARCOMS-Motor score. PARCOMS-Motor is a composite measure of Parkinson's disease motor symptoms derived from MDS-UPDRS motor assessments. The score was modified to adjust for missing MDS-UPDRS Part III data. Higher scores indicate greater motor impairment and negative changes indicate improvement
Time frame: 12 weeks
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