ClearStain™
Direct virtual H&E from unstained slides for molecular testing
Company profile
Company profile
Pictor Labs is a virtual staining technology company that replaces traditional chemical staining with AI-powered digital staining for pathology and laboratory diagnostics. The company's platform generates diagnostic-quality virtual stains including H&E, IHC, and special stains in minutes rather than hours or days, while preserving tissue samples for downstream analysis. Pictor Labs offers three core products: ClearStain™ for direct virtual H&E generation from unstained slides for molecular testing workflows, DeepStain™ for virtual histological staining from label-free tissue using autofluorescence imaging, and ReStain for virtual re-staining of existing H&E images. The technology is trained on expertly curated, co-registered image pairs and provides consistent, high-quality visualization across multiple laboratory sites. The platform integrates into existing workflows with flexible deployment options including cloud and on-premise environments, and is compatible with leading scanner platforms. Pictor Labs serves biopharma companies, contract research organizations (CROs), academic medical centers, and veterinary pathology labs. The company's technology addresses critical workflow challenges including tissue preservation, turnaround time reduction, staining consistency across sites, and maximizing analytical insight from limited biopsy material. Currently offered for research use only (RUO), the virtual staining outputs are reviewed by qualified pathologists and designed to support visualization and workflow flexibility rather than replace medical expertise.
Company description Pictor Labs official website
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01 · Operating footprint
Company-profile context for clinical focus, customers, deployment, integration, milestones, and partnerships.
Hybrid deployment with recorded integration context.
Recorded integration context: Leading scanner platforms, Leica Biosystems.
Company milestones
Presented research at SITC 2024, AACR 2024, and USCAP 2024. Deployed with leading biopharma companies, CROs, and academic medical centers for real-world workflow integration.
Partnerships
02 · Flagship portfolio
Selected source-backed Company products and the available commercial context.
Direct virtual H&E from unstained slides for molecular testing
Virtual histological staining from label-free tissue autofluorescence
Virtual re-staining from existing H&E tissue images
03 · Research intelligence
Publications, preprints, clinical validation, and regulatory records in Evidence Position order.
Publications, clinical validation, and regulatory records connected to this Company appear here.
Research
Vox sanguinis · Jun 1, 2026
Applications and challenges of utilizing digital pathology and AI-enabled workflows in clinical trials.Journal of pathology informatics · Jan 1, 2026
Deep learning accelerates whole slide imaging for next-generation digital pathology applications.Light, science & applications · Oct 14, 2022
Clinical validation
No linked records are currently available.
Regulatory
No linked records are currently available.
04 · Company-reported outcomes
Company-reported outcomes and customer stories are distinct from linked Research Intelligence evidence.
Minutes to results versus hours or days for chemical processing
Full-spectrum testing from one slide reduces QNS (quantity not sufficient) results
Reduces turnaround time across multi-site studies
Multiple stain views from a single scanned slide
Multi-modal spatial analysis of classic Hodgkin lymphoma microenvironment utilizing virtual H&E for regulatory T-cell subtyping
Demonstrated virtual H&E enables regulatory T-cell subtyping and tumor microenvironment analysis in cancer research at SITC 2024
Assessment of AI computational H&E staining versus chemical H&E staining for primary diagnosis in lymphomas
Presented comparative study at USCAP 2024 demonstrating diagnostic equivalence
Maximizing tissue value across drug development programs by generating multiple stains from single slides while maintaining consistent stain appearance
Preserved tissue for downstream molecular and spatial assays, reduced need for additional sectioning, supported consistent visual staining standard across studies and sites
Reducing turnaround time across multi-site clinical trials by eliminating chemical processing delays and slide shipping dependencies
Accelerated access to stain outputs across sites, reduced workflow bottlenecks and shipping dependencies, enabled on-demand reanalysis
Expanding analytical insight from limited biopsy material while preserving tissue for future molecular testing
Enabled broader pathological evaluation from single scanned slide, supported more consistent stain appearance across global laboratory networks
05 · Leadership
Leadership profiles and professional links from the current Company record.
06 · Company updates
Recent articles published on Pictor Labs's official website.
No Company updates are currently listed.
07 · HAIC coverage
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08 · Official presence
Curated official destinations from the active Company record.
09 · Market pathway
Other active Companies in the same market, selected alphabetically from the HAIC directory.
Market context
Companies applying AI to digital pathology, histopathology slide analysis, laboratory diagnostics, or biomarker discovery. Includes AI-powered interpretation of lab test results, at-home diagnostic devices with AI analysis, and platforms that analyze tissue samples or biological specimens to support clinical diagnosis.
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