Floatz Rating
BB67/100
Confidence
Indicative
Sponsor
BeOne Medicines
Modality
Small molecule
Development Phase
Phase 4 / Approved
Status
Active
Evidence ledger · v0.2
Clinical Evidence
Clinical track record: trial progression, reported outcomes, safety signals, and endpoint quality.
57High confidence
Detailed axis rationale is planned and will be published soon.
| Trial | Phase | Status | N | Primary endpoint | Readout |
|---|---|---|---|---|---|
NCT06120283CT.gov BGB-43395 Alone or as Part of Combination Therapies in Participants With Breast Cancer and Other Advanced Solid Tumors | — | Recruiting | — | — | — |
NCT06805812CT.gov Predicting clinicAL outcoMes During First-line CDK4/6 Inhibitors Plus Endocrine Therapy in Patients With Advanced Hormone REceptor-poSitive HER2-negative Breast Cancer: the Retrospective-prospective Multicenter Italian PALMARES-2 Study | — | Recruiting | — | — | — |
NCT06525675CT.gov Study to Evaluate the Extended Overall Survival (OS) Data From PARSIFAL Study (The PARSIFAL-LONG Study) | — | Completed | — | — | — |
NCT02692755CT.gov Palbociclib / Letrozole or Fulvestrant in African American Women With HR+ HER2- Breast Cancer | — | Completed | — | — | — |
Competitive Position
Competitive setting: how crowded the indication is, class-level failures, and timing against rivals.
81High confidence
Detailed axis rationale is planned and will be published soon.
Same indication · Breast Tumor Luminal A Or B
| Asset | Sponsor | Phase | Rating |
|---|---|---|---|
| Letrozole (this asset) | BeOne Medicines | Approved | BB · 67 |
| Fulvestrant | BeiGene | P2/3 | B |
| Cyclophosphamide | Puma Biotechnology, Inc. | P3 | B |
| Elacestrant | GBG Forschungs GmbH | P2 | B |
| Carboplatin | Fudan University | P3 | B |
| Epirubicin | Fudan University | P3 | B |
| Palbociclib | Fondazione IRCCS Istituto Nazionale dei Tumori, Milano | P2/3 | B |
| Durvalumab | University Health Network, Toronto | P2 | B |
| Docetaxel | Fudan University | P3 | B |
+16 more in the Breast Tumor Luminal A Or B cohort
Other indications for Letrozole
| Indication | Sponsor | Phase | Rating |
|---|---|---|---|
| Infertility Disorder | — | P4 | BBB · 79 |
| Anovulation | — | P4 | BBB · 78 |
| Invasive Breast Carcinoma | — | P4 | BBB · 74 |
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. Letrozole in Breast Tumor Luminal A Or B. 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/letrozole-breast-tumor-luminal-a-or-b
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