Floatz Rating
B62/100
Confidence
Indicative
Sponsor
Sun Yat-sen University
Modality
Small molecule
Development Phase
Phase 3
Status
Active
Evidence ledger · v0.2
Clinical Evidence
Clinical track record: trial progression, reported outcomes, safety signals, and endpoint quality.
61High confidence
Detailed axis rationale is planned and will be published soon.
| Trial | Phase | Status | N | Primary endpoint | Readout |
|---|---|---|---|---|---|
NCT07610720CT.gov Dalpiciclib, Anti-HER2 Therapy, and Endocrine Therapy for Hormone-Receptor-Positive, HER2-Positive Metastatic Breast Cancer | — | Recruiting | — | — | — |
NCT07179939CT.gov Maintenance Therapy in HER2-Positive Unresectable Locally Recurrent or Metastatic Breast Cancer: A Phase II Study | — | Not Yet Recruiting | — | — | — |
NCT06348134CT.gov Assessing the Efficacy and Safety of Anti-HER2 Therapy in Nigerian Women With HER2+ Breast Cancer Before and After Surgery | — | Recruiting | — | — | — |
NCT06625775CT.gov Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors | — | Recruiting | — | — | — |
NCT06276868CT.gov Darsilide Combined With AI, Trastuzumab and Patuzumab in the Neoadjuvant Treatment of HR+/HER2+ Breast Cancer | — | Recruiting | — | — | — |
NCT05582499CT.gov Fudan University Shanghai Cancer Center Breast Cancer Precision Platform Series Study- Neoadjuvant Therapy | — | Recruiting | — | — | — |
NCT04886531CT.gov Trial of Pre-operative Neratinib and Endocrine Therapy With Trastuzumab in ER-Positive, HER-2 Positive Breast Cancers | — | Recruiting | — | — | — |
NCT05319873CT.gov Ribociclib, Tucatinib, and Trastuzumab for the Treatment of HER2 Positive Breast Cancer | — | Active Not Recruiting | — | — | — |
NCT05035836CT.gov A Phase 2 Single-Arm Open-Label Pilot Trial Evaluating Zanidatamab (ZW25) in Patients With Early Stage HER2/Neu Positive (HER2+) Breast Cancer (BC) | — | Recruiting | — | — | — |
NCT05429684CT.gov Precise Therapy for Refractory HER2 Positive Advanced Breast Cancer | — | Unknown | — | — | — |
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NCT04088110CT.gov Pyrotinib Combined With Trastuzumab Plus Aromatase Inhibitor in Treatment of Breast Cancer | — | Unknown | — | — | — |
NCT04095390CT.gov A Phase Ⅱ Trial of Pyrotinib Combination With CDK4/6 Inhibitor SHR6390 in Patients Prior Trastuzumab-treated Advanced HER2-Positive Breast Cancer | — | Unknown | — | — | — |
NCT03913234CT.gov Phase IB & II Study of Ribociclib With Trastuzumab Plus Letrozole in Postmenopausal HR+, HER2+ Advanced Breast Cancer Patients | — | Unknown | — | — | — |
NCT03644186CT.gov To Reduce the Use of Chemotherapy in Postmenopausal Patients With ER-positive and HER2-positive Breast Cancer (TOUCH) | — | Completed | — | — | — |
NCT03709082CT.gov Palbociclib in Estrogen Receptor Positive (ER+) Human Epidermal Growth Factor Receptor 2 Positive (HER2+) Metastatic Breast Cancer | — | Terminated | — | — | — |
NCT03179904CT.gov TVB-2640 and Trastuzumab With Paclitaxel or Endocrine Therapy for Treatment of HER2 Positive Metastatic Breast Cancer | — | Active Not Recruiting | — | — | — |
NCT01042379CT.gov I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer | — | Recruiting | — | — | — |
Competitive Position
Competitive setting: how crowded the indication is, class-level failures, and timing against rivals.
65High confidence
Detailed axis rationale is planned and will be published soon.
Same indication · HER2 Positive Breast Carcinoma
| Asset | Sponsor | Phase | Rating |
|---|---|---|---|
| Letrozole (this asset) | Sun Yat-sen University | P3 | B · 62 |
| Trastuzumab | SWOG Cancer Research Network | P4 | BB |
| Pertuzumab | SWOG Cancer Research Network | P4 | BB |
| Ribociclib | Danish Breast Cancer Cooperative Group | P3 | BB |
| Cyclophosphamide | National University Hospital, Singapore | P3 | BB |
| Vinorelbine Ditartrate | Fudan University | P3 | BB |
| Capecitabine | MedSIR | P4 | BB |
| Docetaxel | Ohio State University Comprehensive Cancer Center | P3 | BB |
| gb221 | Genor Biopharma Co., Ltd. | P3 | BB |
+42 more in the HER2 Positive Breast Carcinoma 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 HER2 Positive Breast Carcinoma. 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-her2-positive-breast-carcinoma
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