Clinical Trials Register

Summary
EudraCT Number:	2021-000079-35
Sponsor's Protocol Code Number:	J2J-OX-JZLC
National Competent Authority:	Netherlands - Competent Authority
Clinical Trial Type:	EEA CTA
Trial Status:	Trial now transitioned
Date on which this record was first entered in the EudraCT database:	2022-04-05
Trial results

Index
A. PROTOCOL INFORMATION
B. SPONSOR INFORMATION
C. APPLICANT IDENTIFICATION
D. IMP IDENTIFICATION
D.8 INFORMATION ON PLACEBO
E. GENERAL INFORMATION ON THE TRIAL
F. POPULATION OF TRIAL SUBJECTS
G. INVESTIGATOR NETWORKS TO BE INVOLVED IN THE TRIAL
N. REVIEW BY THE COMPETENT AUTHORITY OR ETHICS COMMITTEE IN THE COUNTRY CONCERNED
P. END OF TRIAL

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A. Protocol Information

A.1

Member State Concerned

Netherlands - Competent Authority

A.2

EudraCT number

2021-000079-35

A.3

Full title of the trial

EMBER-3: A Phase 3, Randomized, Open-Label Study of Imlunestrant, Investigator’s Choice of Endocrine Therapy, and Imlunestrant plus Abemaciclib in Patients with Estrogen Receptor Positive, HER2 Negative Locally Advanced or Metastatic Breast Cancer Previously Treated with Endocrine Therapy

A.3.1

Title of the trial for lay people, in easily understood, i.e. non-technical, language

EMBER-3: A Study of Imlunestrant, Investigator’s Choice Endocrine therapy, and Imlunestrant plus Abemaciclib in Patients with ER+, HER2- Breast Cancer

A.3.2

Name or abbreviated title of the trial where available

Ember-3

A.4.1

Sponsor's protocol code number

J2J-OX-JZLC

A.7

Trial is part of a Paediatric Investigation Plan

A.8

EMA Decision number of Paediatric Investigation Plan

B. Sponsor Information
B.Sponsor: 1
B.1.1	Name of Sponsor	Eli Lilly and Company
B.1.3.4	Country	United States
B.3.1 and B.3.2	Status of the sponsor	Commercial
B.4 Source(s) of Monetary or Material Support for the clinical trial:
B.4.1	Name of organisation providing support	Eli Lilly and Company
B.4.2	Country	United States
B.5 Contact point designated by the sponsor for further information on the trial
B.5.1	Name of organisation	Eli Lilly
B.5.2	Functional name of contact point	Clinical Trial Registry Office
B.5.3	Address:
B.5.3.1	Street Address	Lilly Corporate Center, DC 1526
B.5.3.2	Town/ city	Indianapolis
B.5.3.3	Post code	46285
B.5.3.4	Country	United States
B.5.6	E-mail	EU_Lilly_Clinical_Trials@lilly.com

D. IMP Identification
D.IMP: 1
D.1.2 and D.1.3	IMP Role	Test
D.2	Status of the IMP to be used in the clinical trial
D.2.1	IMP to be used in the trial has a marketing authorisation	No
D.2.5	The IMP has been designated in this indication as an orphan drug in the Community	No
D.2.5.1	Orphan drug designation number
D.3 Description of the IMP
D.3.1	Product name	Imlunestrant
D.3.2	Product code	LY3484356
D.3.4	Pharmaceutical form	Film-coated tablet
D.3.4.1	Specific paediatric formulation	No
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	LY3484356
D.3.9.3	Other descriptive name	Imlunestrant
D.3.10	Strength
D.3.10.1	Concentration unit	mg milligram(s)
D.3.10.2	Concentration type	equal
D.3.10.3	Concentration number	200
D.3.11 The IMP contains an:
D.3.11.1	Active substance of chemical origin	Yes
D.3.11.2	Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP)	No
	The IMP is a:
D.3.11.3	Advanced Therapy IMP (ATIMP)	No
D.3.11.3.1	Somatic cell therapy medicinal product	No
D.3.11.3.2	Gene therapy medical product	No
D.3.11.3.3	Tissue Engineered Product	No
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	No
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	No
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	No
D.3.11.5	Radiopharmaceutical medicinal product	No
D.3.11.6	Immunological medicinal product (such as vaccine, allergen, immune serum)	No
D.3.11.7	Plasma derived medicinal product	No
D.3.11.8	Extractive medicinal product	No
D.3.11.9	Recombinant medicinal product	No
D.3.11.10	Medicinal product containing genetically modified organisms	No
D.3.11.11	Herbal medicinal product	No
D.3.11.12	Homeopathic medicinal product	No
D.3.11.13	Another type of medicinal product	No
D.IMP: 2
D.1.2 and D.1.3	IMP Role	Comparator
D.2	Status of the IMP to be used in the clinical trial
D.2.1	IMP to be used in the trial has a marketing authorisation	Yes
D.2.1.1.1	Trade name	Symex
D.2.1.1.2	Name of the Marketing Authorisation holder	Symphar Sp. z o.o.
D.2.1.2	Country which granted the Marketing Authorisation	Poland
D.2.5	The IMP has been designated in this indication as an orphan drug in the Community	No
D.2.5.1	Orphan drug designation number
D.3 Description of the IMP
D.3.4	Pharmaceutical form	Coated tablet
D.3.4.1	Specific paediatric formulation	No
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	Exemestane
D.3.9.3	Other descriptive name	EXEMESTANE
D.3.9.4	EV Substance Code	SUB07492MIG
D.3.10	Strength
D.3.10.1	Concentration unit	mg milligram(s)
D.3.10.2	Concentration type	equal
D.3.10.3	Concentration number	25
D.3.11 The IMP contains an:
D.3.11.1	Active substance of chemical origin	Yes
D.3.11.2	Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP)	No
	The IMP is a:
D.3.11.3	Advanced Therapy IMP (ATIMP)	No
D.3.11.3.1	Somatic cell therapy medicinal product	No
D.3.11.3.2	Gene therapy medical product	No
D.3.11.3.3	Tissue Engineered Product	No
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	No
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	No
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	No
D.3.11.5	Radiopharmaceutical medicinal product	No
D.3.11.6	Immunological medicinal product (such as vaccine, allergen, immune serum)	No
D.3.11.7	Plasma derived medicinal product	No
D.3.11.8	Extractive medicinal product	No
D.3.11.9	Recombinant medicinal product	No
D.3.11.10	Medicinal product containing genetically modified organisms	No
D.3.11.11	Herbal medicinal product	No
D.3.11.12	Homeopathic medicinal product	No
D.3.11.13	Another type of medicinal product	No
D.IMP: 3
D.1.2 and D.1.3	IMP Role	Comparator
D.2	Status of the IMP to be used in the clinical trial
D.2.1	IMP to be used in the trial has a marketing authorisation	Yes
D.2.1.1.1	Trade name	Faslodex
D.2.1.1.2	Name of the Marketing Authorisation holder	AstraZeneca AB
D.2.1.2	Country which granted the Marketing Authorisation	European Union
D.2.5	The IMP has been designated in this indication as an orphan drug in the Community	No
D.2.5.1	Orphan drug designation number
D.3 Description of the IMP
D.3.4	Pharmaceutical form	Solution for injection in pre-filled syringe
D.3.4.1	Specific paediatric formulation	No
D.3.7	Routes of administration for this IMP	Intramuscular use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	Fulvestrant
D.3.9.3	Other descriptive name	FULVESTRANT
D.3.9.4	EV Substance Code	SUB13933MIG
D.3.10	Strength
D.3.10.1	Concentration unit	mg milligram(s)
D.3.10.2	Concentration type	equal
D.3.10.3	Concentration number	250
D.3.11 The IMP contains an:
D.3.11.1	Active substance of chemical origin	Yes
D.3.11.2	Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP)	No
	The IMP is a:
D.3.11.3	Advanced Therapy IMP (ATIMP)	No
D.3.11.3.1	Somatic cell therapy medicinal product	No
D.3.11.3.2	Gene therapy medical product	No
D.3.11.3.3	Tissue Engineered Product	No
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	No
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	No
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	No
D.3.11.5	Radiopharmaceutical medicinal product	No
D.3.11.6	Immunological medicinal product (such as vaccine, allergen, immune serum)	No
D.3.11.7	Plasma derived medicinal product	No
D.3.11.8	Extractive medicinal product	No
D.3.11.9	Recombinant medicinal product	No
D.3.11.10	Medicinal product containing genetically modified organisms	No
D.3.11.11	Herbal medicinal product	No
D.3.11.12	Homeopathic medicinal product	No
D.3.11.13	Another type of medicinal product	No
D.IMP: 4
D.1.2 and D.1.3	IMP Role	Test
D.2	Status of the IMP to be used in the clinical trial
D.2.1	IMP to be used in the trial has a marketing authorisation	Yes
D.2.1.1.1	Trade name	Verzenios
D.2.1.1.2	Name of the Marketing Authorisation holder	Eli Lilly Nederland B.V.
D.2.1.2	Country which granted the Marketing Authorisation	European Union
D.2.5	The IMP has been designated in this indication as an orphan drug in the Community	No
D.2.5.1	Orphan drug designation number
D.3 Description of the IMP
D.3.1	Product name	Abemaciclib
D.3.2	Product code	LY2835219
D.3.4	Pharmaceutical form	Film-coated tablet
D.3.4.1	Specific paediatric formulation	No
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	LY2835219
D.3.9.3	Other descriptive name	Abemaciclib
D.3.9.4	EV Substance Code	SUB171907
D.3.10	Strength
D.3.10.1	Concentration unit	mg milligram(s)
D.3.10.2	Concentration type	equal
D.3.10.3	Concentration number	50
D.3.11 The IMP contains an:
D.3.11.1	Active substance of chemical origin	Yes
D.3.11.2	Active substance of biological/ biotechnological origin (other than Advanced Therapy IMP (ATIMP)	No
	The IMP is a:
D.3.11.3	Advanced Therapy IMP (ATIMP)	No
D.3.11.3.1	Somatic cell therapy medicinal product	No
D.3.11.3.2	Gene therapy medical product	No
D.3.11.3.3	Tissue Engineered Product	No
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	No
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	No
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	No
D.3.11.5	Radiopharmaceutical medicinal product	No
D.3.11.6	Immunological medicinal product (such as vaccine, allergen, immune serum)	No
D.3.11.7	Plasma derived medicinal product	No
D.3.11.8	Extractive medicinal product	No
D.3.11.9	Recombinant medicinal product	No
D.3.11.10	Medicinal product containing genetically modified organisms	No
D.3.11.11	Herbal medicinal product	No
D.3.11.12	Homeopathic medicinal product	No
D.3.11.13	Another type of medicinal product	No

D.8 Information on Placebo

E. General Information on the Trial

E.1 Medical condition or disease under investigation

E.1.1

Medical condition(s) being investigated

Breast Neoplasms, Neoplasm Metastasis

E.1.1.1

Medical condition in easily understood language

Breast Cancer

E.1.1.2

Therapeutic area

Diseases [C] - Cancer [C04]

MedDRA Classification

E.1.3

Condition being studied is a rare disease

E.2 Objective of the trial

E.2.1

Main objective of the trial

•To compare the PFS of imlunestrant (Arm A) to the standard comparator of Investigator's Choice Endocrine Therapy of either fulvestrant or exemestane (Arm B) in the ITT population
•To compare the PFS of Arm A to Arm B in the ESR1-mutation detected population
•To To compare the PFS of imlunestrant plus abemaciclib (Arm C) to imlunestrant (Arm A) in the ITT population

E.2.2

Secondary objectives of the trial

•To compare OS of Arm A to Arm B in the ITT population
•To compare OS of Arm A to Arm B in the ESR1-mutation detected population
•To compare OS of Arm C to Arm A in the ITT population
•To assess the safety and tolerability of each treatment arm
•To evaluate the effectiveness of Arm A compared to Arm B and Arm C compared to Arm A based on PROs of pain using the Worst Pain NRS
•To assess the PK of imlunestrant (Arm A and Arm C)
•To assess the PK of abemaciclib and its metabolites (Arm C)

E.2.3

Trial contains a sub-study

E.3

Principal inclusion criteria

∙ Have a diagnosis of ER+, HER2- locally advanced or metastatic breast cancer
∙ Have disease that has demonstrated progression on or after an aromatase inhibitor alone or in combination with a CDK4/6 inhibitor.
oPatients are expected to have received prior treatment with a CDK4/6 inhibitor if this treatment is approved and can be reimbursed
∙ Must be deemed appropriate for treatment with endocrine therapy
∙ If female, have a postmenopausal status by natural or surgical means or by ovarian function suppression
∙ Have RECIST evaluable disease (measurable disease and/or nonmeasurable bone-only disease)
∙ Have a performance status of 0 or 1 on the Eastern Cooperative Oncology Group scale (Oken et al. 1982)
∙ Have adequate renal, hematologic, and hepatic organ function
∙ Must be able to swallow capsules/tablets

E.4

Principal exclusion criteria

∙ Have received prior treatment with chemotherapy (except for neoadjuvant/ adjuvant chemotherapy), fulvestrant, or any investigational-ER-directed therapy (including SERDs and non-SERDs), any PI3K-, mTOR- or AKT- inhibitor
∙ Have visceral crisis, lymphangitic spread within the lung, or any evidence of leptomeningeal disease.
∙ Have symptomatic or untreated brain metastasis.
∙ Have serious preexisting medical conditions that, in the judgment of the investigator, would preclude participation in this study
∙ Known allergic reaction against any of the components of the study treatment

E.5 End points

E.5.1

Primary end point(s)

1.Progression Free Survival (PFS) by investigator assessment
• Investigator-assessed PFS (between Arm A and Arm B) in the ITT population
• Investigator-assessed PFS (between Arm A and Arm B) in the ESR1- mutation detected population
• Investigator-assessed PFS (between Arm C and Arm A) in the ITT population

E.5.1.1

Timepoint(s) of evaluation of this end point

1. Randomization to the date of first documented progression of disease or death from any cause (estimated as up to 3 years)

E.5.2

Secondary end point(s)

2. Overall Survival (OS)
3. Objective Response Rate (ORR): Percentage of Participants Who Achieve a Confirmed Best Overall Response of Complete Response (CR) or Partial Response (PR)
4. Duration of Response (DoR)
5. Clinical Benefit Rate (CBR): Percentage of Participants Who Achieve a Best Overall Response of CR, PR or Stable Disease for greater than or equal to (≥) 24 weeks
6. Progression Free Survival (PFS) by blinded independent review
7. Patient Reported Outcomes (PRO): Time to Worsening of "Worst Pain"
Measured by the Worst Pain Numeric Rating Scale (NRS). NRS is a single item, participant-administered, 11-point horizontal scale anchored at 0 and 10, with 0 representing "no pain" and 10 representing "pain as bad as you can imagine."
8. Pharmacokinetics (PK): Steady State Plasma Concentrations of Imlunestrant
9.Pharmacokinetics (PK): Steady State Plasma Concentrations of Imlunestrant and Abemaciclib

E.5.2.1

Timepoint(s) of evaluation of this end point

2. Randomization until death from any cause (estimated as up to 5 years)
3. Randomization until measured progressive disease (estimated as up to 1 year)
4. Date of CR or PR to date of disease progression or death due to any cause (estimated up to 3 years)
5. Randomization until measured progressive disease (estimated as up to 1 year)
6. Randomization to the date of first documented progression of disease or death from any cause (estimated as up to 3 years)
7. Screening through follow-up (estimated as up to 3 years)
8. Cycle 2 to Cycle 4 (cycle = 28 days)
9. Cycle 2 to Cycle 4 (cycle = 28 days)

E.6 and E.7 Scope of the trial

E.6

Scope of the trial

E.6.1

Diagnosis

E.6.2

Prophylaxis

E.6.3

Therapy

Yes

E.6.4

Safety

Yes

E.6.5

Efficacy

Yes

E.6.6

Pharmacokinetic

Yes

E.6.7

Pharmacodynamic

Yes

E.6.8

Bioequivalence

E.6.9

Dose response

E.6.10

Pharmacogenetic

Yes

E.6.11

Pharmacogenomic

E.6.12

Pharmacoeconomic

E.6.13

Others

E.7

Trial type and phase

E.7.1

Human pharmacology (Phase I)

E.7.1.1

First administration to humans

E.7.1.2

Bioequivalence study

E.7.1.3

Other

E.7.1.3.1

Other trial type description

E.7.2

Therapeutic exploratory (Phase II)

E.7.3

Therapeutic confirmatory (Phase III)

Yes

E.7.4

Therapeutic use (Phase IV)

E.8 Design of the trial

E.8.1

Controlled

Yes

E.8.1.1

Randomised

Yes

E.8.1.2

Open

Yes

E.8.1.3

Single blind

E.8.1.4

Double blind

E.8.1.5

Parallel group

Yes

E.8.1.6

Cross over

E.8.1.7

Other

E.8.2

Comparator of controlled trial

E.8.2.1

Other medicinal product(s)

Yes

E.8.2.2

Placebo

E.8.2.3

Other

Yes

E.8.2.3.1

Comparator description

Investigator’s Choice of Endocrine Therapy

E.8.2.4

Number of treatment arms in the trial

E.8.3

The trial involves single site in the Member State concerned

E.8.4

The trial involves multiple sites in the Member State concerned

Yes

E.8.4.1

Number of sites anticipated in Member State concerned

E.8.5

The trial involves multiple Member States

Yes

E.8.5.1

Number of sites anticipated in the EEA

E.8.6 Trial involving sites outside the EEA

E.8.6.1

Trial being conducted both within and outside the EEA

Yes

E.8.6.2

Trial being conducted completely outside of the EEA

E.8.6.3

If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned

Argentina

Ukraine

Taiwan

Australia

Brazil

China

India

Japan

Korea, Republic of

Mexico

Russian Federation

Turkey

United States

Austria

Belgium

Czechia

France

Germany

Greece

Italy

Netherlands

Spain

E.8.7

Trial has a data monitoring committee

Yes

E.8.8

Definition of the end of the trial and justification where it is not the last visit of the last subject undergoing the trial

LVLS in the study or last scheduled procedure for the last participant in the trial globally

E.8.9 Initial estimate of the duration of the trial

E.8.9.1

In the Member State concerned years

E.8.9.1

In the Member State concerned months

E.8.9.1

In the Member State concerned days

E.8.9.2

In all countries concerned by the trial years

E.8.9.2

In all countries concerned by the trial months

F. Population of Trial Subjects

F.1 Age Range

F.1.1

Trial has subjects under 18

F.1.1.1

In Utero

F.1.1.2

Preterm newborn infants (up to gestational age < 37 weeks)

F.1.1.3

Newborns (0-27 days)

F.1.1.4

Infants and toddlers (28 days-23 months)

F.1.1.5

Children (2-11years)

F.1.1.6

Adolescents (12-17 years)

F.1.2

Adults (18-64 years)

Yes

F.1.2.1

Number of subjects for this age range:

400

F.1.3

Elderly (>=65 years)

Yes

F.1.3.1

Number of subjects for this age range:

400

F.2 Gender

F.2.1

Female

Yes

F.2.2

Male

Yes

F.3 Group of trial subjects

F.3.1

Healthy volunteers

F.3.2

Patients

Yes

F.3.3

Specific vulnerable populations

Yes

F.3.3.1

Women of childbearing potential not using contraception

F.3.3.2

Women of child-bearing potential using contraception

Yes

F.3.3.3

Pregnant women

F.3.3.4

Nursing women

F.3.3.5

Emergency situation

F.3.3.6

Subjects incapable of giving consent personally

F.3.3.7

Others

F.4 Planned number of subjects to be included

F.4.1

In the member state

F.4.2

For a multinational trial

F.4.2.1

In the EEA

207

F.4.2.2

In the whole clinical trial

860

F.5

Plans for treatment or care after the subject has ended the participation in the trial (if it is different from the expected normal treatment of that condition)

Patients receiving study treatment and experiencing ongoing clinical benefit may continue to receive study treatment after completion of the study until 1 of the criteria of discontinuation is met.

G. Investigator Networks to be involved in the Trial

N. Review by the Competent Authority or Ethics Committee in the country concerned

Competent Authority Decision

Authorised

Date of Competent Authority Decision

2022-04-05

Ethics Committee Opinion of the trial application

Favourable

Ethics Committee Opinion: Reason(s) for unfavourable opinion

Date of Ethics Committee Opinion

2022-07-11

P. End of Trial
P.	End of Trial Status	Trial now transitioned

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