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Ribociclib

Phase 3

Breast Cancer Female | Small molecule | Oncology |Exact Sciences Corporation|Last Updated: Aug 26, 2025

Target and mechanism

Target class-Ciclib (Cdk)
ModalitySmall molecule

Also known as Ribociclib 200Mg Oral Tablet

Success Probability

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Market & Valuation

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Trial Design

RandomizedNO_TREATMENT_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment1,684

FDA Designations

No designations recorded

Clinical trial landscape

Ribociclib · 1 trial · 1 indication

Phase 3 1
NCT04055493Adj. Marker-adjusted Personalized Therapy Comparing ET+Ribociclib vs Chemotherapy in Intermediate Risk, HR+/HER2- EBCBreast Cancer Female
ACTIVE NOT_RECRUITING1,684 Analytics
PHASE3ACTIVE NOT_RECRUITING
Adj. Marker-adjusted Personalized Therapy Comparing ET+Ribociclib vs Chemotherapy in Intermediate Risk, HR+/HER2- EBC
Breast Cancer FemaleUnlock trial analytics

Study Endpoints

Primary Endpoints

invasive disease-free survival (iDFS)
at end of study, on average 5 years after start of treatment

superiority in invasive disease-free survival (iDFS) of ribociclib + ET vs. standard-of-care chemotherapy

distant disease-free survival (dDFS)
at end of study, on average 5 years after start of treatment

distant disease-free survival (dDFS) in the ribociclib + ET-group to demonstrate survival rate \>92%

Secondary Endpoints

overall survival (OS) 95 % CI
at end of study, on average 5 years after start of treatment
distant disease-free survival (dDFS) 95 % CI
at end of study, on average 5 years after start of treatment
QoL
at end of study, on average 5 years after start of treatment
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Ribociclib plus ETEXPERIMENTALRibociclib 600mg / day over 26 cycles + endocrine treatment of physician´s choice
Standard-of-care chemotherapyNO_INTERVENTIONStandard-of-care chemotherapy according to the clinical guidelines, e.g., of the Breast Committee of the German Gynecological Oncology Group (AGO), and regional prescribing information depending on patient's needs for 16-24 weeks,

Interventions

NameTypeDescription
Ribociclib 200Mg Oral TabletDRUG3 x 200 MG per os
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Eligibility Criteria

Age Range18 Years to N/A
SexFEMALE
Healthy VolunteersNo
Study Sites86

Inclusion Criteria: Patients eligible for inclusion in this study have to meet all of the following criteria: A. Prior to REGISTRATION in the study: 1\. Written informed consent prior to any screening procedures. 2. Female. 3. ≥ 18 years of age. 4a. EITHER: (Post)menopausal status at the time of ...

Countries:Germany
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Frequently asked questions about Ribociclib

What is Ribociclib used for in breast cancer?

Ribociclib is an investigational small molecule being studied for the treatment of breast cancer in females. It is currently in Phase 3 clinical development for this indication, specifically in a trial evaluating it in combination with endocrine therapy versus chemotherapy in intermediate risk, HR+/HER2- early breast cancer.

What does Ribociclib target?

Ribociclib targets cyclin-dependent kinases (CDKs), as indicated by its '-ciclib' drug class. CDKs are enzymes that regulate cell cycle progression, and inhibiting them can slow the growth of cancer cells. This mechanism is being explored in the context of hormone receptor-positive, HER2-negative breast cancer.

Who is developing Ribociclib?

Ribociclib is being developed by Exact Sciences Corporation, a company traded on the NASDAQ under the ticker EXAS. The company is conducting a Phase 3 clinical trial of this drug in patients with breast cancer.

What phase is Ribociclib in?

Ribociclib is in Phase 3 clinical development. It is an investigational drug, meaning it has not yet been approved by regulatory authorities. The ongoing Phase 3 trial is active but not recruiting participants, and it is designed to evaluate the drug's efficacy in a specific breast cancer population.

What clinical trials is Ribociclib in?

Ribociclib is being studied in one active Phase 3 clinical trial with the identifier NCT04055493. This trial, titled 'Adj. Marker-adjusted Personalized Therapy Comparing ET+Ribociclib vs Chemotherapy in Intermediate Risk, HR+/HER2- EBC,' is enrolling female patients aged 18 years and older with breast cancer in Germany. The trial has a planned enrollment of 1684 participants and is biomarker-selected.

Is Ribociclib the same as Ribociclib 200Mg Oral Tablet?

Yes, Ribociclib is also known as Ribociclib 200Mg Oral Tablet. This alternative name refers to the specific oral tablet formulation of the drug at a 200 mg dose. Both names refer to the same investigational drug being developed for breast cancer.