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Taxane

Phase 2

Early Breast Cancer | Small molecule | Oncology |Eli Lilly and Company|Last Updated: Mar 12, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment200

FDA Designations

No designations recorded

Clinical trial landscape

Taxane · 1 trial · 1 indication

Phase 2 1
NCT04293393Neoadjuvant Study Chemotherapy vs Letrozole + Abemaciclib in HR+/HER2- High/Intermediate Risk Breast Cancer PatientsEarly Breast Cancer
ACTIVE NOT_RECRUITING200 Analytics
PHASE2ACTIVE NOT_RECRUITING
Neoadjuvant Study Chemotherapy vs Letrozole + Abemaciclib in HR+/HER2- High/Intermediate Risk Breast Cancer Patients
Early Breast CancerUnlock trial analytics

Study Endpoints

Primary Endpoints

Residual Cancer Burden (RCB) 0-I Rate
Through study treatment, and average of 12 months

Evaluation of the number of patients with a RCB 0-I index as a measure of efficacy. RCB is a continuous variable derived from the primary tumor dimensions, cellularity of the tumor bed, and axillary nodal burden. It is estimated from routine pathological sections of the primary breast tumor site and the regional lymph nodes after the completion of Neoadjuvant therapy. The pathological variables include bidimensional diameters of the primary tumor bed, the proportion of primary tumor area containing invasive carcinoma, the number of positive lymph nodes, and the diameter of the largest nodal metastasis

Secondary Endpoints

Changes in Percentage of KI67 Dyed Cells
2 weeks of treatment
RCB 0+I Versus RCB-II Versus RCB-III
24 weeks
Number of Participants With Preoperative Endocrine Prognostic Index (PEPI) Score of 0 at Surgery
24 weeks
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Arm A: Doxorubicin plus cyclophosphamide and taxaneACTIVE_COMPARATORDoxorubicin 60mg/m2 and cyclophosphamide 600mg/m2 (AC) every 21 days for 4 cycles followed by weekly paclitaxel 80mg/m2 for 12 weeks or 3-weekly docetaxel 100mg/m2 for 4 cycles. Approximately duration of 24 weeks (6 months).
Arm B: Letrozole plus abemaciclib +/- LHRHEXPERIMENTALLetrozole 2.5mg orally daily + abemaciclib 150mg orally every 12 hours on a continuous dosing schedule, +/- luteinizing hormone-releasing hormone (LHRH) analogs in premenopausal women, up to 12 months, in 28-day cycles.

Interventions

NameTypeDescription
DoxorubicinDRUGDoxorubicin 60mg/m2 and cyclophosphamide 600mg/m2 (AC) every 21 days for 4 cycles followed by weekly paclitaxel 80mg/m2 for 12 weeks or 3-weekly docetaxel 100mg/m2 for 4 cycles.
CyclophosphamideDRUGDoxorubicin 60mg/m2 and cyclophosphamide 600mg/m2 (AC) every 21 days for 4 cycles followed by weekly paclitaxel 80mg/m2 for 12 weeks or 3-weekly docetaxel 100mg/m2 for 4 cycles.
TaxaneDRUGDoxorubicin 60mg/m2 and cyclophosphamide 600mg/m2 (AC) every 21 days for 4 cycles followed by weekly paclitaxel 80mg/m2 for 12 weeks or 3-weekly docetaxel 100mg/m2 for 4 cycles.
LetrozoleDRUGLetrozole 2.5mg orally daily + abemaciclib 150mg orally every 12 hours on a continuous dosing schedule, +/- LHRH analogs in premenopausal women, up to 12 months, in 28-day cycles
AbemaciclibDRUGLetrozole 2.5mg orally daily + abemaciclib 150mg orally every 12 hours on a continuous dosing schedule, +/- LHRH analogs in premenopausal women, up to 12 months, in 28-day cycles
LHRH AnalogueDRUGLetrozole 2.5mg orally daily + abemaciclib 150mg orally every 12 hours on a continuous dosing schedule, +/- LHRH analogs in premenopausal women, up to 12 months, in 28-day cycles
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Eligibility Criteria

Age Range18 Years to N/A
SexFEMALE
Healthy VolunteersNo
Study Sites28

Inclusion Criteria: Patients are eligible to be enrolled in the study only if they meet all of the following criteria: 1. Written informed consent prior to any specific study procedures. 2. Women ≥ 18 years of age. 3. Documentation of histologically confirmed primary invasive adenocarcinoma of the...

Countries:Spain
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Frequently asked questions about Taxane

What is Taxane used for in Early Breast Cancer?

Taxane is a small molecule being studied for the treatment of Early Breast Cancer. It is currently in Phase 2 clinical development as part of a neoadjuvant treatment approach. The drug is being evaluated in a clinical trial for patients with HR+/HER2- high or intermediate risk breast cancer.

Who makes Taxane?

Taxane is being developed by Eli Lilly and Company, a pharmaceutical company traded on the NYSE under the ticker symbol LLY. The company is conducting clinical trials to evaluate the drug's safety and efficacy in patients with Early Breast Cancer.

What phase is Taxane in?

Taxane is currently in Phase 2 clinical development. It is an investigational drug being studied for the treatment of Early Breast Cancer. The drug has not yet been approved by regulatory authorities and is still undergoing clinical trials to assess its effectiveness and safety.

What clinical trials is Taxane in?

Taxane is being evaluated in a Phase 2 clinical trial with the identifier NCT04293393. This trial is a neoadjuvant study comparing chemotherapy versus letrozole plus abemaciclib in HR+/HER2- high or intermediate risk breast cancer patients. The trial is active but not recruiting, with an enrollment of 200 female participants aged 18 years and older in Spain.

Is Taxane the same as abemaciclib?

No, Taxane is not the same as abemaciclib. Taxane is a small molecule being studied for Early Breast Cancer, while abemaciclib is a CDK4/6 inhibitor. In the clinical trial NCT04293393, Taxane is being compared against a regimen that includes letrozole plus abemaciclib, indicating they are distinct treatments.