Cypate-Cyclo(Cys-Gly-Arg-Asp-Ser-Pro-Cys)-Lys-Oh (Ls301)
Gastrointestinal Stromal Tumor
Explore 12 assets in Gastrointestinal Stromal Tumor →Floatz Rating
CCC48/100
Confidence
Indicative
Sponsor
Washington University School of Medicine
Modality
protein_peptide
Development Phase
Phase 1/2
Status
Active
Evidence ledger · v0.2
Clinical Evidence
Clinical track record: trial progression, reported outcomes, safety signals, and endpoint quality.
33Moderate confidence
Detailed axis rationale is planned and will be published soon.
| Trial | Phase | Status | N | Primary endpoint | Readout |
|---|---|---|---|---|---|
NCT04105062CT.gov LS301 Uptake in Tumors of Patients Undergoing Liver, Pancreas, or Gastric Surgery | — | Withdrawn | — | — | — |
Competitive Position
Competitive setting: how crowded the indication is, class-level failures, and timing against rivals.
95Moderate confidence
Detailed axis rationale is planned and will be published soon.
Same indication · Gastrointestinal Stromal Tumor
| Asset | Sponsor | Phase | Rating |
|---|---|---|---|
| Cypate-Cyclo(Cys-Gly-Arg-Asp-Ser-Pro-Cys)-Lys-Oh (Ls301) (this asset) | Washington University School of Medicine | P1/2 | CCC · 48 |
| Midazolam | Blueprint Medicines Corporation | P4 | BBB |
| Regorafenib | Institut Bergonié | P4 | BBB |
| Esomeprazole | Erasmus Medical Center | P4 | BB |
| Caffeine | Markus Joerger | P4 | BB |
| Imatinib | M.D. Anderson Cancer Center | P2 | BB |
| Nilotinib | Novartis Pharmaceuticals | P4 | BB |
| Avapritinib | Blueprint Medicines Corporation | P3 | BB |
| Bezuclastinib | Cogent Biosciences, Inc. | P3 | BB |
+41 more in the Gastrointestinal Stromal Tumor cohort
Other indications for Cypate-Cyclo(Cys-Gly-Arg-Asp-Ser-Pro-Cys)-Lys-Oh (Ls301)
| Indication | Sponsor | Phase | Rating |
|---|---|---|---|
| Non-Small Cell Lung Carcinoma | — | P2 | CCC · 52 |
| Ductal Breast Carcinoma In Situ | — | P1/2 | CCC · 51 |
| Invasive Ductal Breast Carcinoma | — | P1/2 | CCC · 51 |
Scientific Foundation
Strength of the underlying biology: target validation, tractability, modality fit, and how related mechanisms have fared.
NR
Planned for methodology v0.2.
Development Feasibility
How realistically the program can be executed, drawing on modality precedent, enrollment dynamics, and sponsor delivery.
NR
Planned for methodology v0.2.
Commercial Opportunity
Commercial prize: addressable population, unmet need, and the value case for the indication.
NR
Planned for methodology v0.2.
IP & Exclusivity
Exclusivity position, covering patent protection and freedom-to-operate runway.
NR
Planned for methodology v0.2.
Manufacturing & Supply
Manufacturing and supply readiness, driven by modality process and scale-up risk.
NR
Planned for methodology v0.2.
Related assets
Citation
Floatz Terminal. Cypate-Cyclo(Cys-Gly-Arg-Asp-Ser-Pro-Cys)-Lys-Oh (Ls301) in Gastrointestinal Stromal Tumor. Methodology v0.2. Rated under v0.2 effective July 8, 2026. Last refreshed July 8, 2026. Accessed July 14, 2026. https://terminal.floatz.ai/assets/cypate-cyclocys-gly-arg-asp-ser-pro-cys-lys-oh-ls301-gastrointestinal-stromal-tumor
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