Clinical Trials Register

Summary
EudraCT Number:	2020-000119-66
Sponsor's Protocol Code Number:	BO41843
National Competent Authority:	France - ANSM
Clinical Trial Type:	EEA CTA
Trial Status:	Trial now transitioned
Date on which this record was first entered in the EudraCT database:	2020-10-13
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

France - ANSM

A.2

EudraCT number

2020-000119-66

A.3

Full title of the trial

A PHASE III RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED, MULTICENTER STUDY EVALUATING THE EFFICACY AND SAFETY OF GDC-9545 COMBINED WITH PALBOCICLIB COMPARED WITH LETROZOLE COMBINED WITH PALBOCICLIB IN PATIENTS WITH ESTROGEN RECEPTOR-POSITIVE, HER2-NEGATIVE LOCALLY ADVANCED OR METASTATIC BREAST CANCER

A.3.1

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

A Study to Evaluate the Efficacy and Safety of GDC-9545 Combined with Palbociclib Compared with Letrozole Combined with Palbociclib in Patients with Estrogen Receptor-Positive, HER2-Negative Locally Advanced or Metastatic Breast Cancer

A.4.1

Sponsor's protocol code number

BO41843

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	F. Hoffmann-La Roche Ltd
B.1.3.4	Country	Switzerland
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	F. Hoffmann-La Roche Ltd
B.4.2	Country	Switzerland
B.5 Contact point designated by the sponsor for further information on the trial
B.5.1	Name of organisation	F. Hoffmann-La Roche Ltd
B.5.2	Functional name of contact point	Trial Information Support Line-TISL
B.5.3	Address:
B.5.3.1	Street Address	Grenzacherstrasse 124
B.5.3.2	Town/ city	Basel
B.5.3.3	Post code	4070
B.5.3.4	Country	Switzerland
B.5.6	E-mail	global.rochegenentechtrials@roche.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	GDC-9545
D.3.2	Product code	Ro 719-7597/F12-01
D.3.4	Pharmaceutical form	Capsule
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	NAP
D.3.9.2	Current sponsor code	RO7197597
D.3.9.3	Other descriptive name	GDC-9545
D.3.9.4	EV Substance Code	SUB194747
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	30
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	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	Letrozole
D.3.2	Product code	RO 489-7779 /F01-01
D.3.4	Pharmaceutical form	Capsule
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	LETROZOLE
D.3.9.1	CAS number	112809-51-5
D.3.9.2	Current sponsor code	RO 489-7779 /F01-01
D.3.9.4	EV Substance Code	SUB08444MIG
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	2.5
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	Ibrance
D.2.1.1.2	Name of the Marketing Authorisation holder	Pfizer Europe MA EEIG
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	Ibrance
D.3.2	Product code	palbociclib
D.3.4	Pharmaceutical form	Capsule
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	PALBOCICLIB
D.3.9.2	Current sponsor code	Ro 499-1855
D.3.9.4	EV Substance Code	SUB177204
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	125
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
D.8 Placebo: 1
D.8.1	Is a Placebo used in this Trial?	Yes
D.8.3	Pharmaceutical form of the placebo	Capsule
D.8.4	Route of administration of the placebo	Oral use
D.8 Placebo: 2
D.8.1	Is a Placebo used in this Trial?	Yes
D.8.3	Pharmaceutical form of the placebo	Capsule
D.8.4	Route of administration of the placebo	Oral use

E. General Information on the Trial

E.1 Medical condition or disease under investigation

E.1.1

Medical condition(s) being investigated

Estrogen receptor (ER)-positive, HER2-negative locally advanced or metastatic breast cancer

E.1.1.1

Medical condition in easily understood language

Breast cancer begins when abnormal cancerous cells in the breast grow and multiply to create a tumor. This tumor can be ER-positive, HER2-negative

E.1.1.2

Therapeutic area

Diseases [C] - Cancer [C04]

MedDRA Classification

E.1.2 Medical condition or disease under investigation

E.1.2	Version	23.0
E.1.2	Level	LLT
E.1.2	Classification code	10070575
E.1.2	Term	Estrogen receptor positive breast cancer
E.1.2	System Organ Class	10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)

E.1.2 Medical condition or disease under investigation

E.1.2	Version	23.0
E.1.2	Level	LLT
E.1.2	Classification code	10070577
E.1.2	Term	Oestrogen receptor positive breast cancer
E.1.2	System Organ Class	10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)

E.1.2 Medical condition or disease under investigation

E.1.2	Version	20.0
E.1.2	Level	LLT
E.1.2	Classification code	10027475
E.1.2	Term	Metastatic breast cancer
E.1.2	System Organ Class	10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)

E.1.2 Medical condition or disease under investigation

E.1.2	Version	23.0
E.1.2	Level	PT
E.1.2	Classification code	10083232
E.1.2	Term	HER2 negative breast cancer
E.1.2	System Organ Class	10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps)

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 evaluate the efficacy of GDC-9545 combined with palbociclib compared with letrozole combined with palbociclib on the basis of progression-free survival

E.2.2

Secondary objectives of the trial

-To evaluate the efficacy of GDC-9545 combined with palbociclib compared with letrozole combined with palbociclib on the basis of overall survival, objective response rate, duration of response, clinical benefit rate, time to deterioration, time to deterioration in pain presence and interference, time to deterioration in physical functioning, time to deterioration in role functioning, time to deterioration in global health status
-To evaluate the safety of GDC-9545 combined with palbociclib compared with letrozole combined with palbociclib
-To characterize the GDC-9545 pharmacokinetics profile when given in combination with palbociclib
-To characterize the palbociclib pharmacokinetics profile when given in combination with GDC-9545 or in combination with letrozole

E.2.3

Trial contains a sub-study

E.3

Principal inclusion criteria

–Age >= 18 years at time of signing Informed Consent Form
–For women who are premenopausal or perimenopausal or men: treatment with approved LHRH agonist therapy for the duration of study treatment
–Locally advanced (recurrent or progressed) or metastatic adenocarcinoma of the breast, not amenable to treatment with curative intent
–Documented ER-positive tumor and HER2-negative tumor, assessed locally
–No history of systemic anti-cancer therapy for locally advanced (recurrent or progressed) or metastatic disease
–Measurable disease as defined per RECIST v.1.1
–Eastern Cooperative Oncology Group Performance Status 01
–Adequate organ function

E.4

Principal exclusion criteria

–Disease recurrence during or within 12 months of completing prior neoadjuvant or adjuvant treatment with an AI
–Disease recurrence during or within 12 months of completing prior neoadjuvant or adjuvant treatment with any CDK4/6 inhibitor
–Prior treatment with a SERD
–Prior treatment with tamoxifen is permitted, provided the patient did not experience disease recurrence within the first 24 months of treatment with tamoxifen
–Treatment with any investigational therapy within 28 days prior to study treatment
–Advanced, symptomatic, visceral spread that is at risk of life-threatening complications
–Known active uncontrolled or symptomatic CNS metastases, carcinomatous meningitis, or leptomeningeal disease
–Active cardiac disease or history of cardiac dysfunction
–Pregnant or breastfeeding

E.5 End points

E.5.1

Primary end point(s)

1. Progression-free survival as determined by the investigator

E.5.1.1

Timepoint(s) of evaluation of this end point

1. Approximately 82 months

E.5.2

Secondary end point(s)

Efficacy
1. Overall survival
2. Objective response rate as determined by the investigator
3. Duration of response as determined by the investigator
4. Clinical benefit rate as determined by the investigator
5. Time to deterioration in pain level
6. Time to deterioration in pain presence and interference, in physical functioning, in role functioning, and in global health status
7. Incidence and severity of adverse events, with severity determined according to NCI CTCAE v5.0
8. Change from baseline in targeted vital signs
9. Plasma concentration of GDC-9545 at specified timepoints
10. Plasma concentration of palbociclib at specified timepoints

E.5.2.1

Timepoint(s) of evaluation of this end point

1-7. Approximately 82 months
8. From baseline (Day-28 to -1) to 82 months
9. Day 1 and 15 of Cycle 1, Day 1 of Cycle 2, 4, 8, and 16 and at treatment discontinuation
10. Day 1 and 15 of Cycle 1

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

E.6.4

Safety

Yes

E.6.5

Efficacy

Yes

E.6.6

Pharmacokinetic

Yes

E.6.7

Pharmacodynamic

E.6.8

Bioequivalence

E.6.9

Dose response

E.6.10

Pharmacogenetic

E.6.11

Pharmacogenomic

E.6.12

Pharmacoeconomic

E.6.13

Others

Yes

E.6.13.1

Other scope of the trial description

Biomarkers

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

E.8.1.3

Single blind

E.8.1.4

Double blind

Yes

E.8.1.5

Parallel group

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

Yes

E.8.2.3

Other

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

118

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

Australia

Belgium

Brazil

Canada

China

Denmark

France

Germany

Greece

Hong Kong

Hungary

Italy

Korea, Republic of

Mexico

New Zealand

Peru

Poland

Portugal

South Africa

Spain

Switzerland

Turkey

Ukraine

United Kingdom

United States

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

The end of this study (global phase and China extension phase) is defined as the date when the last patient, last visit occurs or the date at which the last data point required for statistical analysis or overall survival follow-up is received from the last patient, whichever occurs later. The end of the study is expected to occur at least 60 months after the last patient is enrolled. In addition, the Sponsor may decide to terminate the study at any time.

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 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:

391

F.1.3

Elderly (>=65 years)

Yes

F.1.3.1

Number of subjects for this age range:

587

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

295

F.4.2.2

In the whole clinical trial

978

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)

Currently, the Sponsor does not have any plans to provide the Genentech IMP GDC-9545 or any other study treatments or interventions to patients who have completed the study. The Sponsor may evaluate whether to continue providing GDC-9545 in accordance with the Roche Global Policy on Continued Access to Investigational Medicinal Product, available at the following website: http://www.roche.com/policy_continued_access_to_investigational_medicines.pdf

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

2020-12-11

Ethics Committee Opinion of the trial application

Favourable

Ethics Committee Opinion: Reason(s) for unfavourable opinion

Date of Ethics Committee Opinion

2020-11-05

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

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