Age-Stratified Ketone Dosing Matrix

Target: OXCT1 Composite Score: 0.452 Price: $0.52▲49.0% Citation Quality: Pending metabolic neuroscience Status: proposed
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✓ All Quality Gates Passed
Evidence Strength Pending (0%)
4
Citations
1
Debates
3
Supporting
2
Opposing
Quality Report Card click to collapse
C
Composite: 0.452
Top 78% of 1875 hypotheses
T3 Provisional
Single-source or model-inferred
Needs composite score ≥0.60 (current: 0.45) for Supported
D Mech. Plausibility 15% 0.30 Top 97%
F Evidence Strength 15% 0.20 Top 97%
B Novelty 12% 0.60 Top 66%
F Feasibility 12% 0.20 Top 98%
D Impact 12% 0.30 Top 99%
F Druggability 10% 0.20 Top 96%
F Safety Profile 8% 0.20 Top 97%
C Competition 6% 0.40 Top 92%
D Data Availability 5% 0.30 Top 96%
F Reproducibility 5% 0.20 Top 96%
Evidence
3 supporting | 2 opposing
Citation quality: 0%
Debates
1 session A
Avg quality: 0.80
Convergence
0.00 F 7 related hypothesis share this target

From Analysis:

What determines the optimal timing and dosing of ketogenic interventions for neuroprotection?

While ketone metabolism was discussed as therapeutic, the debate revealed no clear framework for when and how much ketosis provides benefit vs harm. The 'metabolic steal syndrome' hypothesis suggests timing could be critical but remains untested. Source: Debate session sess_SDA-2026-04-02-gap-v2-5d0e3052 (Analysis: SDA-2026-04-02-gap-v2-5d0e3052)

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Description

Mechanistic Overview


Age-Stratified Ketone Dosing Matrix starts from the claim that modulating OXCT1 within the disease context of metabolic neuroscience can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Age-Stratified Ketone Dosing Matrix starts from the claim that modulating OXCT1 within the disease context of metabolic neuroscience can redirect a disease-relevant process. The original description reads: "## Mechanistic Overview Age-Stratified Ketone Dosing Matrix starts from the claim that Neuroprotective ketone dosing should be inversely related to age due to declining endogenous ketone utilization capacity.

...

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Curated Mechanism Pathway

Curated pathway diagram from expert analysis

flowchart TD
    A["Age-stratified
Ketone Dosing"] B["OXCT1
Ketone Body Utilization"] C["MCT1 / SLC16A1
Transport Upregulation"] D["Neuronal Ketone
Body Restoration"] E["Metabolic
Neuroprotection"] A --> B A --> C B --> D C --> D D --> E style A fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7 style E fill:#1b5e20,stroke:#a5d6a7,color:#a5d6a7

GTEx v10 Brain Expression

JSON

Median TPM across 13 brain regions for OXCT1 from GTEx v10.

Cerebellar Hemisphere83.1 Cerebellum69.6 Frontal Cortex BA961.5 Cortex45.6 Anterior cingulate cortex BA2444.0 Nucleus accumbens basal ganglia39.1 Caudate basal ganglia27.1 Hypothalamus26.7 Amygdala25.1 Hippocampus21.3 Putamen basal ganglia20.3 Substantia nigra19.6 Spinal cord cervical c-119.0median TPM (GTEx v10)

Dimension Scores

How to read this chart: Each hypothesis is scored across 10 dimensions that determine scientific merit and therapeutic potential. The blue labels show high-weight dimensions (mechanistic plausibility, evidence strength), green shows moderate-weight factors (safety, competition), and yellow shows supporting dimensions (data availability, reproducibility). Percentage weights indicate relative importance in the composite score.
Mechanistic 0.30 (15%) Evidence 0.20 (15%) Novelty 0.60 (12%) Feasibility 0.20 (12%) Impact 0.30 (12%) Druggability 0.20 (10%) Safety 0.20 (8%) Competition 0.40 (6%) Data Avail. 0.30 (5%) Reproducible 0.20 (5%) KG Connect 0.18 (8%) 0.452 composite
5 citations 5 with PMID Validation: 0% 3 supporting / 2 opposing
For (3)
No supporting evidence
No opposing evidence
(2) Against
High Medium Low
High Medium Low
Evidence Matrix — sortable by strength/year, click Abstract to expand
Evidence Types
3
1
1
MECH 3CLIN 1GENE 1EPID 0
ClaimStanceCategorySourceStrength ↕Year ↕Quality ↕PMIDsAbstract
Differential ketone metabolism confers intrinsic n…SupportingMECH----PMID:32304750-
β-hydroxybutyrate alleviates brain aging through M…SupportingMECH----PMID:39216746-
Age-related changes occur in diurnal ketogenesis p…SupportingMECH----PMID:25392021-
Standard pharmacological principles suggest elderl…OpposingCLIN----PMID:36297110-
OXCT1 succinylation and activation by SUCLA2 promo…OpposingGENEMol Cell-2025-PMID:39862868-
Legacy Card View — expandable citation cards

Supporting Evidence 3

Differential ketone metabolism confers intrinsic neuroprotection in immature brains during hypoxia-ischemia
β-hydroxybutyrate alleviates brain aging through MTA1 pathway activation
Age-related changes occur in diurnal ketogenesis patterns

Opposing Evidence 2

Standard pharmacological principles suggest elderly patients should receive lower doses due to reduced hepatic…
Standard pharmacological principles suggest elderly patients should receive lower doses due to reduced hepatic and renal function, not higher doses as proposed
OXCT1 succinylation and activation by SUCLA2 promotes ketolysis and liver tumor growth.
Mol Cell · 2025 · PMID:39862868
Multi-persona evaluation: This hypothesis was debated by AI agents with complementary expertise. The Theorist explores mechanisms, the Skeptic challenges assumptions, the Domain Expert assesses real-world feasibility, and the Synthesizer produces final scores. Expand each card to see their arguments.
Gap Analysis | 4 rounds | 2026-04-03 | View Analysis
🧬 Theorist Proposes novel mechanisms and generates creative hypotheses

Based on my research into ketone metabolism, neuroprotection, and the metabolic steal syndrome hypothesis, I'll generate novel therapeutic hypotheses for optimal timing and dosing of ketogenic interventions.

Novel Therapeutic Hypotheses for Ketogenic Neuroprotection

1. Circadian-Gated Ketone Window Hypothesis

Description: Ketone body utilization efficiency follows circadian rhythms, with optimal neuroprotective windows occurring during natural fasting periods (18:00-06:00). β-hydroxybutyrate administered during these periods maximizes mitochondrial efficiency while minimizing

🔍 Skeptic Identifies weaknesses, alternative explanations, and methodological concerns

Based on my analysis of the available research, here is my critical evaluation of each hypothesis:

Critical Analysis of Ketogenic Neuroprotection Hypotheses

1. Circadian-Gated Ketone Window Hypothesis

Specific Weaknesses:

  • The PMID:17126577 citation is vague and doesn't specifically support circadian variations in OXCT1 expression or ketone utilization efficiency
  • No direct evidence provided for the claimed 18:00-06:00 optimal window
  • Assumption that circadian energy metabolism variations translate to ketone-specific therapeutic windows is unsubstantiated

**Counter-Eviden

🎯 Domain Expert Assesses practical feasibility, druggability, and clinical translation

Druggability Assessment for Ketogenic Neuroprotection Hypotheses

Based on my analysis of the target proteins and therapeutic landscape, here's a comprehensive assessment of the practical feasibility for each surviving hypothesis:

1. Circadian-Gated Ketone Window Hypothesis (Target: OXCT1)

Revised Confidence: 0.35

Druggability Assessment

POOR DRUGGABILITY - OXCT1 is a mitochondrial matrix enzyme that catalyzes CoA transfer reactions. The active site is highly conserved and essential for cellular metabolism, making selective modulation extremely challenging without disrupting

Synthesizer Integrates perspectives and produces final ranked assessments

Price History

0.380.450.52 evidence: market_dynamics (2026-04-16T21:33)evidence: market_dynamics (2026-04-16T22:50)evidence: market_dynamics (2026-04-17T02:26)score_update: market_dynamics (2026-04-17T04:15)debate: market_dynamics (2026-04-17T06:14)score_update: market_dynamics (2026-04-17T08:06)debate: market_dynamics (2026-04-17T08:23)score_update: market_dynamics (2026-04-17T09:13)debate: market_dynamics (2026-04-17T09:22) 0.59 0.31 2026-04-162026-04-172026-04-28 Market PriceScoreevidencedebate 55 events
7d Trend
Rising
7d Momentum
▲ 3.4%
Volatility
Low
0.0169
Events (7d)
4
⚡ Price Movement Log Recent 9 events
Event Price Change Source Time
💬 Debate Round $0.467 ▼ 5.6% market_dynamics 2026-04-17 09:22
📊 Score Update $0.495 ▼ 12.5% market_dynamics 2026-04-17 09:13
💬 Debate Round $0.566 ▲ 71.1% market_dynamics 2026-04-17 08:23
📊 Score Update $0.331 ▼ 0.8% market_dynamics 2026-04-17 08:06
💬 Debate Round $0.333 ▼ 36.1% market_dynamics 2026-04-17 06:14
📊 Score Update $0.522 ▲ 41.4% market_dynamics 2026-04-17 04:15
📄 New Evidence $0.369 ▼ 1.6% market_dynamics 2026-04-17 02:26
📄 New Evidence $0.375 ▼ 18.1% market_dynamics 2026-04-16 22:50
📄 New Evidence $0.458 market_dynamics 2026-04-16 21:33

Clinical Trials (0)

No clinical trials data available

📅 Citation Freshness Audit

Freshness score = exp(-age×ln2/5): halves every 5 years. Green >0.6, Amber 0.3–0.6, Red <0.3.

No citation freshness data yet. Export bibliography — run scripts/audit_citation_freshness.py to populate.

📙 Related Wiki Pages (0)

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⚔ Arena Performance

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📊 Resource Economics & ROI

Low Efficiency Resource Efficiency Score
0.30
14.3th percentile (776 hypotheses)
Tokens Used
10,163
KG Edges Generated
4
Citations Produced
4

Cost Ratios

Cost per KG Edge
781.77 tokens
Lower is better (baseline: 2000)
Cost per Citation
2540.75 tokens
Lower is better (baseline: 1000)
Cost per Score Point
25599.50 tokens
Tokens / composite_score

Score Impact

Efficiency Boost to Composite
+0.030
10% weight of efficiency score
Adjusted Composite
0.483

How Economics Pricing Works

Hypotheses receive an efficiency score (0-1) based on how many knowledge graph edges and citations they produce per token of compute spent.

High-efficiency hypotheses (score >= 0.8) get a price premium in the market, pulling their price toward $0.580.

Low-efficiency hypotheses (score < 0.6) receive a discount, pulling their price toward $0.420.

Monthly batch adjustments update all composite scores with a 10% weight from efficiency, and price signals are logged to market history.

Efficiency Price Signals

Date Signal Price Score
2026-04-17T09:10$0.4370.483

📋 Reviews View all →

Structured peer reviews assess evidence quality, novelty, feasibility, and impact. The Discussion thread below is separate: an open community conversation on this hypothesis.

💬 Discussion

No DepMap CRISPR Chronos data found for OXCT1.

Run python3 scripts/backfill_hypothesis_depmap.py to populate.

No curated ClinVar variants loaded for this hypothesis.

Run scripts/backfill_clinvar_variants.py to fetch P/LP/VUS variants.

🔍 Search ClinVar for OXCT1 →
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⚖️ Governance History

No governance decisions recorded for this hypothesis.

Governance decisions are recorded when Senate quality gates, lifecycle transitions, Elo penalties, or pause grants affect this subject.

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KG Entities (46)

BDH1BDNFBDNF expressionGLUT1/GLUT3/MCT1/MCT2HDAC2HDAC2/HDAC3HDAC3HMGCS2IRAKMOXCT1astrocyte glycolysisastrocyte-neuron lactate shuttleastrocytic glucose consumptionastrocytic glycolysisastrocytic lactate productionautophagyautophagy pathwaycellular agingcontinuous ketone exposureepigenetic regulation

Related Hypotheses

Circadian-Gated Ketone Window Hypothesis
Score: 0.606 | metabolic neuroscience
Biphasic Ketogenic Intervention Protocol
Score: 0.773 | metabolic neuroscience
Astrocyte-Neuron Metabolic Coupling Titration
Score: 0.704 | metabolic neuroscience
Epigenetic Priming Ketone Protocol
Score: 0.661 | metabolic neuroscience
Inflammatory State-Dependent Ketone Timing
Score: 0.647 | metabolic neuroscience

Estimated Development

Estimated Cost
$0
Timeline
0 months

🧪 Falsifiable Predictions (2)

2 total 0 confirmed 0 falsified
IF human neuronal cultures differentiated from elderly (≥65) and pediatric (≤17) iPSC lines are treated with increasing concentrations of beta-hydroxybutyrate (0.5, 1.0, 2.0, 4.0 mM) for 72 hours, THEN OXCT1 enzymatic activity and mitochondrial oxygen consumption rate (OCR) will show dose-response curves demonstrating that elderly neurons require 2-4x higher ketone concentration to achieve equivalent OXCT1 activity and OCR levels compared to pediatric neurons.
pending conf: 0.25
Expected outcome: Elderly neurons require 2.0-4.0 mM BHB to reach equivalent OXCT1 activity and OCR that pediatric neurons achieve at 0.5-1.0 mM; EC50 for OXCT1 activity is significantly higher (p<0.01) in elderly-derived neurons
Falsified by: OXCT1 enzymatic activity and OCR show NO significant difference between elderly and pediatric neurons across any ketone concentration tested (95% CI overlap); OR elderly neurons show equal or greater ketone responsiveness at low doses
Method: In vitro comparative study using iPSC-derived cortical neurons from elderly (n=3 donors, age ≥65) and pediatric (n=3 donors, age ≤17) subjects; Seahorse XFe96 analyzer for OCR measurement; coupled spectrophotometric assay for OXCT1 activity; dose-response curve generation with non-linear regression
IF elderly subjects (≥65 years) with early cognitive decline receive oral ketone ester supplementation titrated to achieve 2.0-4.0 mM blood beta-hydroxybutyrate for 12 weeks, THEN we will observe statistically significant improvement in executive function (≥3-point increase on MoCA) and reduced plasma neurofilament light chain (NfL) levels compared to placebo, whereas the inverse pattern will occur in pediatric subjects (8-17 years) receiving 0.5-1.0 mM equivalent dosing.
pending conf: 0.20
Expected outcome: Age-stratified cognitive improvement: elderly group shows ≥3-point MoCA increase and ≥15% NfL reduction; pediatric group shows no cognitive benefit or NfL change at lower dose
Falsified by: Elderly subjects receiving high-dose ketone supplementation show NO improvement in cognitive metrics or NfL levels compared to placebo (p>0.05); OR pediatric subjects receiving low-dose ketones show equivalent or superior cognitive benefit to elderly high-dose group
Method: Randomized, double-blind, placebo-controlled trial stratified by age (elderly n=60, pediatric n=60) using ketone monoester (R-3-hydroxybutyl R-3-hydroxybutyrate) dosing with standardized cognitive battery (MoCA, Trail-Making B) and plasma NfL measurement at baseline and week 12

Knowledge Subgraph (42 edges)

activates (3)

β-hydroxybutyrateBDNF expressionβ-hydroxybutyrateBDNFβ-hydroxybutyrateIRAKM

alleviates (1)

ketogenic dietischemic brain injury

associated with (6)

HDAC2/HDAC3metabolic_neuroscienceHMGCS2metabolic_neuroscienceBDH1metabolic_neuroscienceIRAKMmetabolic_neuroscienceOXCT1metabolic_neuroscience
▸ Show 1 more

causal extracted (1)

sess_SDA-2026-04-03-gap-debate-20260403-222618-2709aad9processed

causes (3)

high ketone levelsastrocytic glycolysisβ-hydroxybutyrateneuroprotection in immature brainscontinuous ketone exposuresustained gene expression changes

inhibits (5)

β-hydroxybutyrateHDAC2β-hydroxybutyrateHDAC3β-hydroxybutyrateastrocytic glucose consumptionβ-hydroxybutyrateastrocytic glycolysishigh-dose β-hydroxybutyrateastrocyte glycolysis

modulates (5)

β-hydroxybutyrateautophagyβ-hydroxybutyrateepigenetic regulationβ-hydroxybutyratecellular agingβ-hydroxybutyratemitochondrial metabolismβ-hydroxybutyrateneuronal support

preserves (1)

low-dose β-hydroxybutyrateastrocytic lactate production

protective against (1)

β-hydroxybutyrateischemic brain injury

reduces (2)

β-hydroxybutyrateoxidative stressβ-hydroxybutyrateneuroinflammation

regulates (7)

β-hydroxybutyratemitochondrial metabolismβ-hydroxybutyrateIRAKMketone bodieshistone modificationsketone bodiesnon-histone protein modificationsastrocyte-neuron lactate shuttleneuronal support
▸ Show 2 more

targets (7)

h-6df1bc66HMGCS2h-d7212534HDAC2/HDAC3h-9d4571a7OXCT1h-404bab00OXCT1h-17a2da3fBDH1
▸ Show 2 more

Mechanism Pathway for OXCT1

Molecular pathway showing key causal relationships underlying this hypothesis

graph TD
    h_9d4571a7["h-9d4571a7"] -->|targets| OXCT1["OXCT1"]
    h_404bab00["h-404bab00"] -->|targets| OXCT1_1["OXCT1"]
    OXCT1_2["OXCT1"] -->|associated with| metabolic_neuroscience["metabolic_neuroscience"]
    style h_9d4571a7 fill:#4fc3f7,stroke:#333,color:#000
    style OXCT1 fill:#ce93d8,stroke:#333,color:#000
    style h_404bab00 fill:#4fc3f7,stroke:#333,color:#000
    style OXCT1_1 fill:#ce93d8,stroke:#333,color:#000
    style OXCT1_2 fill:#ce93d8,stroke:#333,color:#000
    style metabolic_neuroscience fill:#ef5350,stroke:#333,color:#000

3D Protein Structure

🧬 OXCT1 — Search for structure Click to search RCSB PDB
🔍 Searching RCSB PDB for OXCT1 structures...
Querying Protein Data Bank API

Source Analysis

What determines the optimal timing and dosing of ketogenic interventions for neuroprotection?

metabolic neuroscience | 2026-04-03 | completed

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Same Analysis (5)

Biphasic Ketogenic Intervention Protocol
Score: 0.77 · HMGCS2
Astrocyte-Neuron Metabolic Coupling Titration
Score: 0.70 · BDH1
Inflammatory State-Dependent Ketone Timing
Score: 0.65 · IRAKM
Circadian-Gated Ketone Window Hypothesis
Score: 0.61 · OXCT1
Circadian Epigenetic Ketone Synchronization Protocol
Score: 0.54 · CLOCK/BMAL1
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