SLU-PP-332
Research OnlyA small molecule ERR (Estrogen-Related Receptor) agonist developed at Saint Louis University. Preclinical studies suggest exercise-mimetic properties, but no human data exists. Represents early-stage research into pharmacologically activating exercise pathways.
ERR agonist 332 · Exercise mimetic compound
Preclinical evidence only
- Preclinical
- 63%
- Clinical
- 0%
Based on 8 cited sources
Demonstrated effect magnitude — not a recommendation or safety claim.
Research Depth 16: animal-only highest tier (1A=6, mouse endurance + metabolic models, zero human data), no human RCT so RoB credit minimal (1B=2), total human N<50 (1C=0), indirect to human use (1D=2), but a substantive multi-model preclinical program credited (1E=6; Billon 2023 36988910, Rangwala 2010 20418374). Mechanism 86: ERRalpha/beta/gamma target with measured potency, functional agonism, and ERRalpha knockout abolishing the endurance effect (2A=40); ERR->PGC-1alpha-> OXPHOS/FAO/mitochondrial-biogenesis pathway well mapped (2B=24; Giguere 18664618, Willy 15184675, Fan 25486445); dose-response in vitro and in vivo (2C=13); confirmed in mouse (2D=9). Plausibility 73: mechanism->surrogate established, surrogate->clinical benefit inferred not proven (3A=22); coherent with exercise biology (3B=24); strong class analogy to AMPK/PPARdelta exercise mimetics (3C=17; Narkar 18674809); reasonably scoped (3D=10). Global Coverage 32: efficacy work concentrated in the Burris-affiliated cluster (4A=10) though metabolite/SAR work now spans US/Germany/Chile (4B=12); <20 compound-specific studies (4C=10); no regulator registration anywhere (4D=0). Community Experience 25: negligible niche discussion (5A=6), <3yr track record since 2023 (5B=7), sparse reports (5C=5), no notable adverse signal but minimal documented exposure (5D=7). Effectiveness not-established: no quantified human efficacy estimate exists and no meaningful community effect signal.
The proposed mechanisms of SLU-PP-332 are based entirely on animal and in vitro studies. No human mechanistic data exists, and this compound has never been tested in humans.
How It Works (Simplified)
SLU-PP-332 aims to activate “exercise pathways” pharmacologically by targeting ERR receptors:
Binds to ERRalpha and ERRgamma receptors, triggering transcription of metabolic genes normally activated by exercise.
Promotes PGC-1alpha coactivation, signaling cells to build more mitochondria and enhance energy production capacity.
Upregulates genes for fatty acid oxidation and oxidative phosphorylation, enhancing aerobic energy pathways.
In mice, these changes translated to improved treadmill endurance and reduced muscle fatigue markers.
Key Research: Billon C et al. (Saint Louis University, 2023) demonstrated ERR-mediated endurance enhancement in mouse models. PMID:36988910
Important Limitations
- Mouse-only data - SLU-PP-332 has never been tested in humans
- Single research group - Most data originates from one laboratory
- Pharmacokinetics unknown - No data on absorption, metabolism, or distribution in humans
- Long-term safety unknown - Chronic ERR activation effects are uncharacterized
- Research compound only - Not manufactured to pharmaceutical standards
- Translation uncertain - Mouse exercise physiology differs substantially from humans
Based on mouse studies: ERR target gene activation may begin within days. Changes in oxidative gene expression observed in animal models. No human timeline data available.
PMID:36988910Mouse studies suggest mitochondrial biogenesis markers increase over this timeframe. PGC-1alpha pathway activation observed. Human response completely unknown.
PMID:20418374In mouse endurance studies, functional improvements in running capacity observed by 4-8 weeks. Translation to human physiology is entirely speculative.
PMID:36988910Long-term effects unknown. Chronic ERR activation has not been studied in any species for extended periods. Safety of prolonged use is completely uncharacterized.
Research-based observations
This timeline reflects observations from published clinical and preclinical studies. Individual responses may vary significantly. This is not a guarantee of effects or a dosing schedule. Consult qualified healthcare providers for personalized guidance.
Good Signs (5 indicators)
Warning Signs (5 indicators)
Bad Signs (6 indicators)
For Research Evaluation Only
These quality indicators are general guidelines based on typical peptide characteristics. Professional laboratory testing (HPLC, mass spectrometry) provides definitive quality verification. This checklist is for initial visual evaluation only.
Metformin
CompatibleDifferent mechanisms (metformin primarily affects hepatic gluconeogenesis and AMPK, SLU-PP-332 targets ERR in muscle). Theoretical complementary effects but no combined studies.
BPC-157
CompatibleNon-overlapping mechanisms. BPC-157 focuses on tissue repair while SLU-PP-332 targets metabolic pathways. No known contraindications.
TB-500
CompatibleNon-overlapping mechanisms. TB-500 focuses on tissue repair and cell migration while SLU-PP-332 targets ERR-mediated metabolic pathways. No interaction data available.
Aicar
CautionBoth target exercise-mimetic pathways (AICAR via AMPK, SLU-PP-332 via ERR). Combined activation of these parallel pathways has not been studied. Theoretical synergy but unknown safety profile.
Sr9009
CautionBoth target metabolic enhancement through nuclear receptor modulation (SR9009 via REV-ERB, SLU-PP-332 via ERR). No interaction data available. Exercise caution with combined metabolic modulators.
Gw501516
AvoidGW501516 development was halted due to cancer concerns in animal studies. Combining with another metabolic modulator increases theoretical risk. Neither compound has human safety data.
Research Note: Interaction data is based on published literature, mechanistic understanding, and theoretical considerations. Most peptide combinations lack direct clinical study. This information is for educational purposes only and does not constitute medical advice. Always consult qualified healthcare providers.
Key Studies Cited
Full reference list available on request. All citations link to PubMed for verification.
This dossier synthesizes available evidence from peer-reviewed literature, regulatory documents, and clinical trial registries. Evidence strength ratings follow a modified GRADE approach.
For complete methodology details, see our Methodology page.
Important Disclaimer
This dossier is for educational purposes only and does not constitute medical advice. Always consult a qualified healthcare provider before making health decisions.
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