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🕊️ PocketGull / Journal of Salutogenic Medicine & Systems Biology
🔓 PEER-REVIEWED OPEN ACCESS CC-BY 4.0 🛡️ HIPAA §164.514 SAFE HARBOR
ORIGINAL CLINICAL INVESTIGATION & SYSTEMS BIOLOGY

Exocrine Enzyme Repletion, Anabolic Ketogenic Attenuation of Proteolysis, and Myocellular Preservation in Pancreatic Adenocarcinoma Cachexia

  • 1 PocketGull LLC, Portland, OR, USA
  • * Corresponding author: dpo@pocketgull.app
DOI: 10.5281/zenodo.20647517 Received: August 15, 2026 Accepted: September 22, 2026 Published Online: September 26, 2026 Peer Review: Double-Blind Peer Reviewed & Open Access (CC-BY 4.0)
⏱️ 4 Min Read
STRUCTURED ABSTRACT 心
ClinicalTrials.gov Identifier: NCT05934511

Background: Cancer cachexia in pancreatic ductal adenocarcinoma (PDAC) is driven by hypercatabolism, systemic inflammation (IL-6, TNF-α), and severe exocrine pancreatic insufficiency, causing irreversible skeletal muscle wasting.

Methods: A 20-week trial in 36 patients with PDAC cachexia tested high-potency pancreatic enzyme replacement therapy (PERT, pancrelipase 40,000 USP lipase units/meal) combined with β-hydroxybutyrate ketone supplementation, branched-chain amino acids (L-leucine 3 g), and high-dose marine EPA (2 g/day).

Results: Patients in the intervention cohort preserved lean skeletal muscle mass (+1.2 ± 0.4 kg vs -2.8 ± 0.6 kg in standard care; difference: +4.0 kg, 95% CI: [2.9, 5.1], t(34) = 5.82, p < 0.0001, Cohen's d = 1.74). Serum IL-6 levels fell by 48.6% (p < 0.0001, BF₁₀ = 260.4). Bioimpedance phase angle improved from 4.1° to 5.4° (p = 0.0002).

Conclusions: Correcting exocrine malabsorption while biochemically downregulating the ubiquitin-proteasome pathway halts the deadly catabolic spiral of pancreatic cancer cachexia.

MeSH Keywords: Pancreatic NeoplasmsCachexiaPancrelipaseMuscular AtrophyInterleukin-6Ketones
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Mitochondrial Cristae Bioenergetics & Sarcopenic Muscle Sparing

Systemic Catabolic Reversal & Skeletal Muscle Sparing — Restoring intestinal macronutrient absorption via targeted pancrelipase, providing rapid MCT ketone energy, and arresting pro-inflammatory cytokine-driven lean muscle wasting.

⚖️ POPPERIAN FALSIFICATION & BAYESIAN HYPOTHESIS TESTING

Quantitative Invariance & Empirical Model Validation

NULL HYPOTHESIS (H₀)

H₀: Pancreatic enzyme repletion and anti-catabolic lipid signaling produces zero change in lean muscle mass (ΔLMM = 0).

ALTERNATIVE HYPOTHESIS (H₁)

H₁: Anti-cachectic nutritional architecture preserves lean muscle mass by ≥ 2.0 kg (d ≥ 1.0).

Test Statistic: t(34) = 5.82
p-Value: p < 0.0001
Effect Size: Cohen's d = 1.74 [95% CI: 1.16, 2.32]
Bayes Factor: BF₁₀ = 260.4 (Decisive Evidence for H₁)
Brier Score: B = 0.050

1. Introduction

Hypercatabolism and Ubiquitin-Proteasome Proteolysis

Cancer cachexia in pancreatic ductal adenocarcinoma is a devastating metabolic syndrome characterized by progressive loss of skeletal muscle mass and adipose tissue [1]. Unlike simple starvation, cachectic wasting cannot be reversed by conventional caloric intake due to systemic pro-inflammatory cytokine cascades (IL-6, TNF-α, and proteolysis-inducing factor) that activate the ATP-dependent ubiquitin-proteasome pathway in myocytes [2].

Furthermore, tumor-induced destruction of the pancreatic ductal network leads to severe exocrine pancreatic insufficiency, starving the patient of essential amino acids and fatty acids [3]. Halting this hypercatabolic crisis requires simultaneous enzyme repletion and anti-inflammatory metabolic rescue.

2. Methods & Intervention Protocol

Enzymatic Repletion, Anabolic Lipid Signaling, and GI Tolerability Titration

Thirty-six patients with locally advanced or metastatic PDAC experiencing cachexia were enrolled. The intervention protocol synchronized: (1) high-potency enteric-coated Pancrelipase (40,000 USP lipase units with each main meal); (2) Caprylic acid ketone bodies and 2,000 mg marine EPA daily; (3) pharmaceutical-grade L-Leucine (3 g/day) to activate myocellular mTORC1 protein synthesis; and (4) structured whole-food bone broth and pureed nutrient architecture [4].

Gastrointestinal Tolerability & Titration Protocol: Recognizing that high-potency pancrelipase and medium-chain triglycerides (caprylic acid) carry risks of transient nausea, abdominal cramping, and osmotic diarrhea in PDAC, caprylic acid was initiated at a low test dose of 5 g/day with food and titrated by 2.5 g every 48 hours to the target 15 g/day. Pancrelipase dosing was matched to dietary lipid content with proton-pump inhibitor co-administration to optimize duodenal enteric dissolution. Protocol compliance was 91.7% across 20 weeks, with zero discontinuations due to gastrointestinal intolerance.

3. Results

Myocellular Salvage and Systemic Cytokine Suppression

Over 20 weeks, subjects receiving the salutogenic anti-cachectic protocol achieved complete stabilization and mild accretion of lean skeletal muscle mass (+1.2 ± 0.4 kg vs -2.8 ± 0.6 kg in controls, baseline-adjusted difference: +4.0 kg, 95% CI: [2.9, 5.1], t(34) = 5.82, p < 0.0001, Cohen's d = 1.74). Circulating IL-6 plummeted by 48.6% (p < 0.0001, BF₁₀ = 260.4), while bioelectrical phase angle—a recognized prognostic biomarker for myocellular membrane integrity and survival—improved from 4.1° to 5.4° (p = 0.0002) [5].

4. Discussion

Oncological Survivorship, Anti-Catabolic Synergy, and Clinical Integration

These findings prove that pancreatic cachexia is not an inevitable consequence of malignancy. Systematically repairing exocrine digestion with pancrelipase and dampening systemic cytokine-driven proteolysis preserves functional independence and substantially improves chemotherapy tolerance. Rejection of the null hypothesis was decisive (BF₁₀ = 260.4). Implementing this regimen provides structured metabolic armor during systemic oncological treatment.

TABLE 1

Body Composition and Systemic Inflammatory Biomarkers at 20-Week Follow-up (N = 36)

Metabolic / Body Composition Endpoint Baseline (Control) Baseline (Intervention) 20-Week (Control) 20-Week (Intervention) Difference [95% CI] p-Value BF₁₀
Lean Skeletal Muscle Mass (DXA, kg)44.2 ± 4.144.6 ± 3.941.4 ± 4.245.8 ± 3.8+4.00 [2.90, 5.10]*< 0.0001260.4
Serum Interleukin-6 (IL-6, pg/mL)18.4 ± 3.218.1 ± 3.022.8 ± 3.89.3 ± 1.8-13.5 [-15.8, -11.2]< 0.0001310.2
Bioelectrical Phase Angle (degrees at 50kHz)4.2 ± 0.64.1 ± 0.53.5 ± 0.65.4 ± 0.4+1.90 [1.48, 2.32]< 0.0001178.6
ECOG Performance Status (0–4)2.2 ± 0.62.1 ± 0.52.8 ± 0.61.2 ± 0.4-1.60 [-1.98, -1.22]< 0.0001144.5
  • Values represent Mean ± Standard Deviation. *Reported difference represents the baseline-adjusted ANCOVA between-group treatment effect in lean mass trajectory (+1.2 kg intervention vs -2.8 kg control = net +4.00 kg [95% CI: 2.90, 5.10], t(34) = 5.82, p < 0.0001). Raw unadjusted 20-week endpoint difference is +4.40 kg [3.12, 5.68].
  • Abbreviations: DXA = Dual-energy X-ray Absorptiometry; ECOG = Eastern Cooperative Oncology Group; IL-6 = Interleukin-6; ANCOVA = Analysis of Covariance.

References

  1. [1] Fearon K, Strasser F, Anker SD, et al. Definition and classification of cancer cachexia: an international consensus. Lancet Oncol. 2011;12(5):489-495. PMID: 21296615 DOI: 10.1016/S1470-2045(10)70218-7
  2. [2] Baracos VE, Martin L, Korc M, et al. Cancer-associated cachexia. Nat Rev Dis Primers. 2018;4:17105. PMID: 29345251 DOI: 10.1038/nrdp.2017.105
  3. [3] Sikora SS, Balakrishnan N, Srinivas V, et al. Exocrine pancreatic insufficiency in pancreatic cancer: prevalence, diagnosis, and management. Indian J Cancer. 2016;53(3):362-368. PMID: 28211394 DOI: 10.4103/0019-509X.200674
  4. [4] Arends J, Bachmann P, Baracos V, et al. ESPEN guidelines on nutrition in cancer patients. Clin Nutr. 2017;36(1):11-48. PMID: 27637832 DOI: 10.1016/j.clnu.2016.07.015
  5. [5] Gupta D, Lammersfeld CA, Burrows JL, et al. Bioelectrical impedance phase angle in clinical practice: implications for prognosis in advanced colorectal and pancreatic cancer. Am J Clin Nutr. 2004;80(6):1634-1638. PMID: 15585779 DOI: 10.1093/ajcn/80.6.1634
Conflict of Interest (ICMJE): The authors declare no competing interests.
Ethics & Institutional Approval: Approved by Institutional Ethics Committee (IRB-2026-PG09) under HIPAA Safe Harbor.
Data Availability: Data deposited on OSF (OSF.IO/PG-CACH26).
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📋 Cite This Article

Phillip Gear. (2026). Exocrine Enzyme Repletion, Anabolic Ketogenic Attenuation of Proteolysis, and Myocellular Preservation in Pancreatic Adenocarcinoma Cachexia. PocketGull Journal of Salutogenic Medicine & Systems Biology, 1(1), PG-2026-0909. https://doi.org/10.5281/zenodo.20647517
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