{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp03_full320_20260801","cell_id":"layer_decay_and_expiration_management__pharmacology_toxicology","trajectory_id":"R","attempt_index":0,"archetype_slug":"layer_decay_and_expiration_management","domain_slug":"pharmacology_toxicology","decision":"CANDIDATE","problem_id":"stale_chronic_medication_regimen_accumulation","causal_lever_id":"indication_aware_reversible_deprescribing_lifecycle","proposal":{"problem":"Chronic medication regimens can accumulate drugs whose original indication, effective duration, or benefit-risk justification has lapsed, while their orders remain active by default. Clinicians may hesitate to retire them because indication provenance, withdrawal dependencies, prior treatment failures, and reconstruction needs are incomplete. The result is potentially avoidable interaction, adverse-effect, and prescribing-cascade exposure without a safe, auditable deprescribing path.","actors_substrate":["patients receiving long-term multi-drug regimens","prescribers and pharmacists","active medication orders and administration records","indications, response histories, adverse effects, and drug-drug dependencies","longitudinal medication-history systems"],"observable_state":"INFERENCE: Repeated medication reconciliation finds active drugs with no documented current indication or reassessment date, duplicated pharmacologic roles, unresolved interaction burden, or continuation inherited from an earlier episode of care; discontinuation is deferred because withdrawal and history-reconstruction risks are uncertain.","consequence":"HYPOTHESIS: Stale active therapies increase avoidable toxicity and regimen complexity, while unstructured removal can cause withdrawal, rebound disease, loss of a useful treatment history, or inability to explain later outcomes.","affected_objective":"Maintain the smallest currently justified regimen while preserving physiological safety, continuity, accountability, and reconstructable medication history.","structural_mapping":[{"archetype_element":"sequential deposits remain active after usefulness changes","domain_realization":"Medication orders added across episodes of care continue as active therapies after their indication or benefit-risk context may have changed.","claim_kind":"INFERENCE"},{"archetype_element":"stale layers masquerade as current authority","domain_realization":"An unreassessed medication remains on the active list and may be renewed or administered as though its justification were current.","claim_kind":"INFERENCE"},{"archetype_element":"aggressive deletion can break dependencies","domain_realization":"Abrupt discontinuation can disrupt physiological adaptation, disease control, or interacting dose requirements.","claim_kind":"CORPUS"},{"archetype_element":"archive rather than destroy","domain_realization":"A retired drug leaves active treatment but remains in a dated, searchable medication history with indication, outcome, and reason for change.","claim_kind":"HYPOTHESIS"},{"archetype_element":"exception holds","domain_realization":"Essential therapies, unstable disease, pregnancy-related constraints, trial participation, or unresolved specialist ownership can block or defer deprescribing.","claim_kind":"HYPOTHESIS"},{"archetype_element":"bounded stack","domain_realization":"The active regimen contains only currently justified therapies; retired therapies remain available in lower-authority history states.","claim_kind":"HYPOTHESIS"}],"component_map":[{"component":"layer_inventory_and_identity_map","status":"adapted","domain_realization":"Reconciled identity-resolved list of active and historical drugs, including ingredient-level duplicates."},{"component":"deposition_order_and_age_index","status":"adapted","domain_realization":"Start date, initiating episode, last review, and time since documented benefit for each drug."},{"component":"retention_policy_matrix","status":"adapted","domain_realization":"Drug-class review rules specifying reassessment, taper, historical retention, and documentation requirements."},{"component":"decay_function_or_aging_rule","status":"adapted","domain_realization":"Increasing review priority as time since indication or benefit confirmation grows; age alone never mandates stopping."},{"component":"expiration_trigger_definition","status":"adapted","domain_realization":"End of intended course, resolved indication, missed reassessment, new contraindication, or benefit-risk deterioration triggers review."},{"component":"layer_value_and_risk_score","status":"adapted","domain_realization":"Structured benefit, toxicity, interaction, withdrawal, patient-priority, and disease-control assessment without a deletion score."},{"component":"dependency_and_reconstruction_check","status":"direct","domain_realization":"Pre-change check for withdrawal, rebound, interacting-dose, monitoring, and medication-history dependencies."},{"component":"pruning_or_archival_pathway","status":"adapted","domain_realization":"Continue, refresh justification, taper, pause, discontinue, or retire from active list into history."},{"component":"preservation_exception_register","status":"adapted","domain_realization":"Named, time-limited reasons not to deprescribe, with owner and review date."},{"component":"deletion_audit_and_rollback_window","status":"adapted","domain_realization":"Documented taper or trial withdrawal with monitoring and a time-bounded rescue/restart plan."},{"component":"resource_budget_and_storage_tier","status":"adapted","domain_realization":"Clinical attention budget and active-list prominence reserved for current therapies; inactive history remains searchable."},{"component":"review_cadence_and_revalidation_loop","status":"direct","domain_realization":"Scheduled medication review and revalidation after transitions of care or material health changes."},{"component":"legal_hold_or_compliance_override","status":"adapted","domain_realization":"Regulatory, evidentiary, or study obligations preserve records; clinical safety constraints override automated retirement."},{"component":"hot_warm_cold_access_state","status":"adapted","domain_realization":"Active regimen, recently stopped/watch list, and durable historical record."},{"component":"orphan_layer_detection","status":"adapted","domain_realization":"Drug lacking a current indication, responsible prescriber, or necessary dependency is flagged for review."},{"component":"supersession_marker","status":"direct","domain_realization":"Stopped order records date, reason, and replacement therapy rather than disappearing."},{"component":"layer_compaction_candidate_flag","status":"adapted","domain_realization":"Duplicate orders or repeated historical entries are candidates for reconciliation into one longitudinal record."},{"component":"rehydration_or_restore_procedure","status":"adapted","domain_realization":"Retrieve the retired therapy's dose, indication, response, and stop reason; restart only through fresh clinical authorization."},{"component":"deletion_impact_estimate","status":"adapted","domain_realization":"Estimate withdrawal, relapse, interaction, and rescue difficulty before changing therapy."},{"component":"stale_context_detector","status":"adapted","domain_realization":"Flag mismatch between active medication and current diagnoses, physiology, goals, evidence, or monitoring."}],"mechanism_dispositions":[{"slug":"age_weighted_value_score","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Age may prioritize review, but collapsing clinical benefit and withdrawal risk into one decaying score creates false precision and could stigmatize appropriate long-term therapy.","counterfactual_removal":"Removal leaves the causal chain intact because structured clinical review supplies the needed judgment."},{"slug":"archive_restore_test","disposition":"selected_supporting","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Periodically sample retired-drug histories to verify indication, dose, outcome, and stop reason can be retrieved; restoration never itself authorizes re-exposure.","counterfactual_removal":"History loss could remain undetected until an urgent reconstruction, weakening audit and future prescribing safety."},{"slug":"cache_eviction_rule","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Treatment cannot be evicted merely because an attention tier is full or another drug is newly admitted.","counterfactual_removal":"No change; capacity-triggered eviction is outside the clinical causal chain."},{"slug":"dependency_safe_delete_check","disposition":"selected_load_bearing","contribution_type":"CORE_CAUSAL","adaptation_or_rejection":"Gate any taper or stop on explicit withdrawal, rebound, interacting-dose, disease-control, and monitoring checks.","counterfactual_removal":"Deprescribing could directly cause physiological harm or destabilize coupled therapies, hard-gating viability."},{"slug":"lifecycle_storage_tiering_policy","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Move therapies from active to recently stopped/watch to durable history states while preserving retrieval and reducing active-list authority.","counterfactual_removal":"Retired drugs would remain visually active or vanish from history, increasing ambiguity, though supervised stopping could still occur."},{"slug":"log_rotation_and_cleanup_job","disposition":"incompatible","contribution_type":"NONE","adaptation_or_rejection":"Blind generational purging ignores indication, toxicity, withdrawal, and evidentiary value.","counterfactual_removal":"No change; sequence-only cleanup would be unsafe."},{"slug":"retention_schedule","disposition":"selected_supporting","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Adapt into drug-class reassessment schedules and record-retention rules with named clinical and evidentiary exceptions.","counterfactual_removal":"Reviews become ad hoc and stale continuation is less likely to be surfaced consistently."},{"slug":"soft_delete_quarantine_window","disposition":"selected_load_bearing","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Use supervised taper or trial withdrawal, observation, and rescue criteria before finalizing discontinuation; preserve the historical record.","counterfactual_removal":"Changes become effectively abrupt and less recoverable, materially increasing withdrawal and relapse risk."},{"slug":"stale_layer_detection_dashboard","disposition":"selected_load_bearing","contribution_type":"OPERATIONAL","adaptation_or_rejection":"Present reconciled drugs with missing indication, overdue review, duplicate role, interaction flags, owner, and last evidence of benefit; it cannot stop drugs.","counterfactual_removal":"The distributed stale-regimen state remains hard to identify and prioritize at scale."},{"slug":"time_to_live_ttl_policy","disposition":"considered_rejected","contribution_type":"NONE","adaptation_or_rejection":"Pre-set review dates are useful, but self-executing medication expiry is unsafe because continued need and withdrawal risk are patient-specific.","counterfactual_removal":"Clinician-authorized triggers and periodic review still bound accumulation."},{"slug":"tombstone_or_deletion_marker","disposition":"selected_supporting","contribution_type":"SAFETY_GUARDRAIL","adaptation_or_rejection":"Retain an explicit stopped/superseded marker with reason and successor so reconciliation cannot mistake deletion for nonexistence or revive an obsolete order.","counterfactual_removal":"Stale copies could restore discontinued drugs and later clinicians could lose the rationale for the change."}],"causal_chain":["Reconcile medication identities, provenance, indications, and lifecycle states.","Detect therapies whose current justification is absent, outdated, duplicated, or newly high-risk.","Apply exception and dependency gates before authorizing any change.","Choose refresh, taper, pause, discontinuation, or continued therapy with a dated rationale.","Monitor a bounded trial change against withdrawal, disease-control, toxicity, and patient-priority outcomes.","Finalize the active-list transition, retain a supersession marker and reconstructable history, and schedule revalidation."],"baseline":"Ordinary medication reconciliation updates the list opportunistically, while continuation is the default and deprescribing depends on individual clinician initiative without uniform indication-age, exception, or rollback fields.","nearest_rival":"A one-time pharmacist-led medication review using current interaction and appropriateness criteria, without an ongoing lifecycle state model or scheduled revalidation loop.","authority_safety":{"affected_parties":["patient","caregiver where authorized","prescribers","pharmacists","specialists responsible for affected conditions"],"decision_authority":"The patient and appropriately licensed prescriber retain treatment authority, informed by pharmacists and relevant specialists; automation may only identify and prioritize candidates.","authorized_first_step":"Run a prospective pilot on one outpatient panel: inventory active drugs, flag overdue or undocumented indications, and offer clinician-reviewed changes for a small consenting cohort, one medication at a time, with prespecified follow-up and rescue criteria.","excluded_actions":["automatic discontinuation based on age, score, list length, or dashboard flag","abrupt cessation of drugs with plausible withdrawal or rebound risk","destruction of medication history","restart of an archived therapy without new clinical authorization","changes lacking patient notification and responsible-clinician ownership"],"halt_rollback":"Halt an individual change for clinically meaningful withdrawal, symptom recurrence, destabilized monitoring, or patient request; execute the prespecified rescue or restart plan. Halt the pilot if serious change-attributable harm occurs or timely follow-up cannot be maintained."}},"negative_tests":{"strongest_counterevidence":"Many long-duration multidrug regimens are appropriate, and medication count or age may poorly predict net harm. Deprescribing can worsen disease control or withdrawal symptoms, while incomplete indication documentation may reflect record fragmentation rather than unjustified therapy.","analogy_break":"A medication is not merely an informational layer: exposure changes physiology, cessation may have nonlinear and time-sensitive effects, and an archived record cannot reconstitute lost disease control. Therefore expiration can only trigger review, never automatic biological removal.","failure_condition":"The approach fails if medication identity and indication provenance remain unreliable, responsible prescribers cannot coordinate, monitoring is unavailable, or rollback is slower than the plausible harm window.","problem_falsifier":"The proposed problem is falsified in the test population if reconciled audits show that nearly all active drugs have a current documented indication, timely benefit-risk reassessment, clear ownership, and no meaningful stale-order or unexplained-continuation burden.","intervention_falsifier":"The intervention is falsified if, versus the nearest rival, it does not improve the proportion of active drugs with current justification or reduce prespecified avoidable regimen burden, or if supervised changes produce greater withdrawal, disease destabilization, serious adverse events, or patient-reported burden.","risks":["withdrawal, rebound, or relapse after an inappropriate change","automation bias from stale or incomplete records","fragmented authority across multiple prescribers","undertreatment caused by equating old with obsolete","privacy exposure from retaining detailed medication history","inequitable flagging where documentation quality differs across populations","alert burden without downstream action","reintroduction of discontinued drugs from unsynchronized systems"]},"null_rationale":null,"classification":{"candidate_kind":"MECHANISM_COMPOSITION","prior_art_status":"UNSEARCHED","evidence_maturity":"HYPOTHESIS"},"revision_change_log":{"revision_kind":"ORIGINAL","prior_problem_id":null,"prior_causal_lever_id":null,"problem_changed":false,"causal_lever_changed":false,"conceptual_changes":[],"operational_changes":[],"repairs_addressed":[]},"confidence":0.84,"generator_notes":"Closed-book structural transfer. The candidate treats active medication orders as authority-bearing layers while keeping retired therapies as historical records; empirical effectiveness and prevalence claims remain hypotheses."}