Overview This page indexes companies developing sirtuin-targeted therapies for Parkinson's disease. Sirtuins (SIRT1-7) are NAD+-dependent deacetylases that play critical roles in mitochondrial function, stress resistance, and cellular homeostasis—all processes impaired in Parkinson's disease.
For the main mechanism page, see [SIRT1 Activators for Parkinson's Disease](/mechanisms/sirt1-activators-parkinsons).
Therapeutic Approaches
SIRT1 Activation
Direct SIRT1 activators (resveratrol, synthetic compounds)
NAD+ precursors (nicotinamide riboside, NMN) that enhance SIRT1 activity indirectly
PGC-1α deacetylation → mitochondrial biogenesis
FOXO deacetylation → stress resistance
α-synuclein deacetylation → reduced aggregation
SIRT2 Inhibition
SIRT2 inhibitors reduce α-synuclein toxicity
Protect dopaminergic neurons
Improve motor function in PD models[@sirt2_pd]
SIRT3 Modulation
Mitochondrial sirtuin targeting
SOD2 activation → reduced oxidative stress
IDH2 activation → improved mitochondrial metabolism
Company Directory
Major Pharmaceutical Companies | Company | Focus | Programs | Page | |---------|-------|----------|------| | GSK (GlaxoSmithKline) | SIRT1 activators | SRT2104 (historical), SRT3025 | [GSK](/companies/gsk) |
Biotechnology Companies ...
Overview This page indexes companies developing sirtuin-targeted therapies for Parkinson's disease. Sirtuins (SIRT1-7) are NAD+-dependent deacetylases that play critical roles in mitochondrial function, stress resistance, and cellular homeostasis—all processes impaired in Parkinson's disease.
For the main mechanism page, see [SIRT1 Activators for Parkinson's Disease](/mechanisms/sirt1-activators-parkinsons).
Therapeutic Approaches
SIRT1 Activation
Direct SIRT1 activators (resveratrol, synthetic compounds)
NAD+ precursors (nicotinamide riboside, NMN) that enhance SIRT1 activity indirectly
PGC-1α deacetylation → mitochondrial biogenesis
FOXO deacetylation → stress resistance
α-synuclein deacetylation → reduced aggregation
SIRT2 Inhibition
SIRT2 inhibitors reduce α-synuclein toxicity
Protect dopaminergic neurons
Improve motor function in PD models[@sirt2_pd]
SIRT3 Modulation
Mitochondrial sirtuin targeting
SOD2 activation → reduced oxidative stress
IDH2 activation → improved mitochondrial metabolism
Company Directory
Major Pharmaceutical Companies | Company | Focus | Programs | Page | |---------|-------|----------|------| | GSK (GlaxoSmithKline) | SIRT1 activators | SRT2104 (historical), SRT3025 | [GSK](/companies/gsk) |
Biotechnology Companies | Company | Focus | Programs | Page | |---------|-------|----------|------| | ChromaDex | NAD+ precursors | NR-002 for Parkinson's | [ChromaDex](/companies/chromadex) | | Life Biosciences | SIRT1 activator | LB-SIRT1 program | [Life Biosciences](/companies/life-biosciences) |
Research Pipeline Overview
Mermaid diagram (expand to render)
Clinical Stage Programs | Company | Compound | Target | Mechanism | Phase | Indication | |---------|----------|--------|-----------|-------|------------| | ChromaDex | NR-002 | SIRT1 (indirect) | NAD+ augmentation | Phase 2 | Parkinson's disease | | GSK (historical) | SRT2104 | SIRT1 | Direct activation | Phase 2 | Alzheimer's disease | | Life Biosciences | LB-SIRT1 | SIRT1 | Direct activation | Discovery | Alzheimer's/Parkinson's |
Key Mechanisms
[SIRT1 Activators for Parkinson's Disease](/mechanisms/sirt1-activators-parkinsons)
[Sirtuin Signaling in Parkinson's Disease](/mechanisms/sirtuin-signaling-parkinsons)
[NAD+ Metabolism in Neurodegeneration](/mechanisms/nad-metabolism-neurodegeneration)
[Mitochondrial Biogenesis in Neurodegeneration](/mechanisms/mitochondrial-biogenesis-neurodegeneration)
[Sirtuin Modulators](/therapeutics/sirtuin-modulators)
[NAD+ Boosters for Neurodegeneration](/therapeutics/nad-boosters-neurodegeneration)
[Resveratrol and Neurodegeneration](/therapeutics/resveratrol-neurodegeneration)
Market Landscape The sirtuin modulator field for Parkinson's disease has evolved through several phases:
2006-2012 : Sirtris/GSK pioneered direct SIRT1 activators (resveratrol, SRT2104)
2012-2020 : Shift to NAD+ precursors (nicotinamide riboside, NMN) as indirect activators
2020-present : Combination approaches and next-generation SIRT1 modulators
Investment Trends
Major pharma (GSK) has reduced direct SIRT1 activator investment
Biotech focus on NAD+ augmentation (ChromaDex)
Academic/industry partnerships for biomarker development
Growing interest in SIRT2 inhibitors for PD
Research Gaps
Brain penetration : Current SIRT1 activators have limited CNS delivery
Target engagement biomarkers : Need better biomarkers for SIRT1 activity
Combination strategies : Sirtuin + other mechanisms (e.g., LRRK2, GBA)
Genetic validation : Human genetic evidence for sirtuins in PD remains limited
See Also
[Parkinson's Disease](/diseases/parkinsons-disease)
[Investment Landscape: Sirtuin Therapeutics](/investment/sirtuin-therapeutics-neurodegeneration)
[PD Pipeline](/companies/pd-pipeline)
References
[SIRT1 Activators for Parkinson's Disease - Mechanism (2026)](https://neurowiki.internal/mechanisms/sirt1-activators-parkinsons)
[Outeiro et al., SIRT2 inhibition in Parkinson's disease (2007)](https://pubmed.ncbi.nlm.nih.gov/17525341/)
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