Rx License-Rx

TAB-5028

HLA-class II-restricted T Cell Receptors for PIK3CA “Hotspot” Mutations, E545K and N345K

Summary: The National Cancer Institute (NCI) seeks co-development partners and/or licensees for a collection of T cell receptors (TCRs) that specifically target PIK3CA mutations to treat patients with tumors expressing these mutations in the context of HLA-DPA1*01:03:01, HLA-DPB1*04:01:01 or HLA-DRB1*04:01. Description of Technology: Phosphatidylinositol-4,5-biphosphate 3-kinase catalytic subunit alpha gene, also known as PIK3CA, makes a subunit of the PIK3 enzyme with various cellular functions. Mutations in the PIK3CA can result in the growth of cells through overactivation of the PIK3 enzyme and are associated with the development of several forms of cancers. Indeed, PIK3CA mutation is the third most common mutation in epithelial cancers. Previous studies attempted to inhibit the activity of mutant PIK3CA using both small molecules and monoclonal antibodies. However, these studies showed limited in vivo efficacy in treating tumors...

Intelligence Memo

Owner: National Institutes of Health

Core category: Therapeutics

Therapeutic area: Oncology

Indication: Oncology

Modality: Cell/Gene Therapy

Focus tags: Oncology, Immunology

Technology tags: Cell/Gene Therapy, Biologic, Small Molecule

Mechanism:

Development stage: Clinical

Patent status: Expired

Availability: Available for license

Plain-English Licensing Breakdown

This is a license opportunity for a therapeutic asset or drug-enabling technology in Oncology. In plain English, the buyer would be licensing science that could become a treatment program, usually after more validation. The current package appears to be clinical and is associated with National Institutes of Health. The practical first use case is Oncology. Public description: Summary: The National Cancer Institute (NCI) seeks co-development partners and/or licensees for a collection of T cell receptors (TCRs) that specifically target PIK3CA mutations to treat patients with tumors expressing these mutations in.

What is exciting

More mature than a typical academic invention: Prior human, regulatory, or deployment evidence can shorten diligence and make strategic buyers more comfortable.

Oncology remains highly partnerable: Pharma buyers still pay attention when an asset can be tied to biomarkers, combinations, resistance biology, or a defined tumor segment.

Hot modality with strategic appetite: Cell and gene therapy buyers care when there is a crisp antigen, genetic subgroup, potency assay, or manufacturing shortcut.

The License-Rx pivot is the real unlock: The exciting version is not just the university pitch; it is the focused path: Start as an orphan, HLA-defined oncology asset with manufacturing outsourced from day zero

Negatives / diligence concerns

Clinical context matters: A clinical-stage label is only useful if the trial design, population, endpoints, safety signal, and follow-on plan are strong.

Manufacturing can dominate the budget: Potency assays, vector or cell process reproducibility, release testing, and COGS can become bigger risks than the biology.

Competitive field may be crowded: Oncology buyers will ask why this is better than existing modalities, combinations, and biomarker strategies already in the clinic.

Risk Flags

  • Human validation and clinical path require diligence.
  • Patent scope and remaining exclusivity need review with counsel.
  • Inventor readiness and licensing terms are not yet verified.

Strategic Pharma Attractiveness

Large pharma would care if this becomes more than an interesting university-originated technology: it needs a crisp Oncology wedge, a measurable value inflection, and a diligence package that makes the first deal feel like an option on upside rather than a blind research bet.

Most logical pharma targets BMS / 2seventy — Cell therapy portfolio logic; needs differentiated antigen strategy. Gilead / Kite — Manufacturing and oncology BD infrastructure already exists. Regeneron — Deep oncology biologics and T-cell engager adjacency.

Development Strategy to Increase PoS

First indication: Oncology

Study design: Biomarker-selected translational efficacy model followed by a small signal-seeking Phase 1b/2a design.

Key experiments Validate the AI-optimized pivot: Start as an orphan, HLA-defined oncology asset with manufacturing outsourced from day zero Run independent replication of the core claim with pre-specified success criteria Generate a partner-facing risk register that separates solved, testable, and unresolved risks

Final Recommendation

Proceed with repositioning: Worth a short exclusive option if diligence confirms IP scope and inventor data quality. The most investable version is: Start as an orphan, HLA-defined oncology asset with manufacturing outsourced from day zero

Best next experiment: Run the smallest independent study that validates: Use a centralized CDMO, lock the release assay early, and design the first trial around tumor-antigen evidence rather than broad basket ambition.

Best licensing timing: Begin BD conversations after the next validation package; pursue a license, option, or asset sale once the first value inflection is visible.