Topical Preclinical Optimization and Five-Domain State-Space Mapping of the Androgen Receptor Antagonist SH-14b for Hair Follicle Targeting
Year: 2026
Type: dataset
Abstract: Creators: Sewell, Melvin Dion Jr. (ORCID: 0009-0009-6706-1397) — Cosmic University of Echo-Rift Studies IX; TrueFlow Productions LLC Publication Date: October 2026 Resource Type: Preprint Community: sewellsmi Description / Abstract: This updated technical preprint presents the preclinical parameterization, topical formulation strategy, and state-space optimization of SH-14b—a lead androgen receptor (AR) antagonist derivative derived from the SH-1 backbone. Formulated as a localized state vector in Domain Two (\mathcal{D}_2) within the Five-Domain State-Space Simulation Framework, SH-14b is engineered specifically for topical scalp delivery targeting hair follicle androgen receptors in androgenic alopecia. By adapting the objective function J(\mathbf{s}_2) in the `multiverse_core.py` Python SDK, the molecular parameter space was optimized for high cutaneous retention and stratum corneum partitioning while suppressing systemic absorption: - Target Site: Hair Follicle Infundibulum & Dermal Papilla Cells - Binding Affinity (\Delta G_{\text{bind}}): -12.1 \text{ kcal/mol} (AR active site) - Lipophilicity (\log P): 2.52 (optimal follicular lipid membrane partitioning) - Systemic Bioavailability (F_{\text{sys}}): < 2.5\% (mitigating systemic endocrine side effects) - Nodal Negentropy (\mathcal{N}): 0.89 Key Highlights: 1. Domain Two Topical Mapping: Mathematical modeling of skin permeability (K_p), molecular weight (< 500 \text{ Da}), and lipophilicity bounds under Reality Level Scalar (\Xi = 1.0) conditions. 2. Ex Vivo Testing Protocol: Experimental validation framework using human scalp donor tissue mounted on Franz diffusion cells to confirm localized follicular drug accumulation (> 10\times \text{IC}_{50}). 3. Translational Roadmap: Non-clinical topical safety package (Primary Dermal Irritation Index, phototoxicity) bridging SH-14b toward Phase 1a First-in-Human clinical trials. Keywords & Metadata Indexing: Subject Keywords: Androgen Receptor Antagonist, SH-14b, SH-1, Topical Delivery, Androgenic Alopecia, Hair Follicle Targeting, Five-Domain State-Space Framework, Domain Two Mapping, Nodal Negentropy, Franz Diffusion Cell, multiverse_core, Preclinical Drug Optimization License: Creative Commons Attribution 4.0 International (CC BY 4.0) Language: English (eng)
Author: Sewell, Melvin
Language: English
Subfield: Pharmaceutical Science
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7223157011