Clinical Trials Register

Summary
EudraCT Number:	2020-001079-33
Sponsor's Protocol Code Number:	D8530C00003
National Competent Authority:	UK - MHRA
Clinical Trial Type:	EEA CTA
Trial Status:	GB - no longer in EU/EEA
Date on which this record was first entered in the EudraCT database:	2020-09-25
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

UK - MHRA

A.2

EudraCT number

2020-001079-33

A.3

Full title of the trial

A Randomised, Open-Label, Parallel-Group, Pre surgical Study to
Investigate the Biological Effects of AZD9833 in Women with
ER-positive, HER2-negative Primary Breast Cancer (SERENA-3)

A.3.1

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

A Randomised, Pre-surgical Study to Investigate the Biological
Effects of AZD9833 in Women with newly diagnosed, primary breast cancer
that is estrogen receptor positive and HER2 receptor negative (SERENA-3)

A.3.2

Name or abbreviated title of the trial where available

SERENA-3

A.4.1

Sponsor's protocol code number

D8530C00003

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	AstraZeneca AB
B.1.3.4	Country	Sweden
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	AstraZeneca AB
B.4.2	Country	Sweden
B.5 Contact point designated by the sponsor for further information on the trial
B.5.1	Name of organisation	AstraZeneca
B.5.2	Functional name of contact point	Information Center
B.5.3	Address:
B.5.3.1	Street Address	Not applicable
B.5.3.2	Town/ city	Not applicable
B.5.3.3	Post code	Not applicable
B.5.3.4	Country	United States
B.5.4	Telephone number	+13028851180
B.5.6	E-mail	information.center@astrazeneca.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	AZD9833
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	not yet available
D.3.9.1	CAS number	2222844-89-3
D.3.9.2	Current sponsor code	AZD9833
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: 2
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	AZD9833
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	not yet available
D.3.9.1	CAS number	2222844-89-3
D.3.9.2	Current sponsor code	AZD9833
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	100
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 250 mg solution for injection
D.2.1.1.2	Name of the Marketing Authorisation holder	AstraZeneca AB, SE-151 85 Södertälje, Sweden
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	fulvestrant
D.3.2	Product code	ZD9238
D.3.4	Pharmaceutical form	Solution for injection
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.3.9.1	CAS number	129453-61-8
D.3.9.3	Other descriptive name	FULVESTRANT
D.3.10	Strength
D.3.10.1	Concentration unit	mg/ml milligram(s)/millilitre
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

newly diagnosed estrogen receptor positive HER2 negative breast
cancer scheduled for surgical treatment

E.1.1.1

Medical condition in easily understood language

newly diagnosed breast cancer

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	PT
E.1.2	Classification code	10083234
E.1.2	Term	Hormone receptor positive 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 explore the ER PD effects of AZD9833 between pre- and on-treatment tumour samples in women with early breast cancer after AZD9833 treatment.

E.2.2

Secondary objectives of the trial

1. To explore the PgR and Ki-67 PD effects of AZD9833 between pre- and on-treatment tumour samples in women with early breast cancer after AZD9833 and fulvestrant treatment (if applicable)

2. To evaluate the safety and tolerability of AZD9833 in this patient population.

3. To evaluate the PK of AZD9833 in this patient population.

E.2.3

Trial contains a sub-study

E.3

Principal inclusion criteria

1 Provision of written informed consent prior to study entry

2 Female patients aged at least 18 years

3 Post-menopausal status defined as meeting at least one of the following criteria:
(a) Have undergone a bilateral oophorectomy
(b) Age ≥ 60 years
(c) Age ≥ 50 and < 60 years and with cessation of menses ≥ 12 months and FSH and oestradiol levels in the post-menopausal range and with an intact uterus in the absence of oral contraception or hormone replacement therapy prior to the diagnosis of breast cancer

4 Pre-menopausal status (Stage 2 only) defined as patients who are naturally pre menopausal (i.e. without concurrent ovarian suppression)
(a) Women of childbearing potential must:
(i) Not be breastfeeding
(ii) Have a negative pregnancy test prior to the start of dosing
(iii) Agree to use one highly effective barrier method of contraception from the time of screening until 4 weeks after discontinuing study treatment.

5 Female patients with newly diagnosed primary breast cancer scheduled to undergo treatment with curative intent by surgery and irrespective of clinical node status

6 Histologically confirmed invasive breast cancer involving a palpable tumour of any size, or a tumour with an ultrasound assessed diameter of ≥ 1.0 cm

7 Patients with adequately treated non-melanoma skin cancer, curatively treated in-situ cancer of the cervix, or other solid tumours curatively treated with no evidence of disease for ≥ 3 months can be considered for the study

8 According to the local laboratory patients must have:
(a) ER positive breast cancer
(b) HER2-negative breast cancer

9 ECOG performance status 0 to 1

E.4

Principal exclusion criteria

1 Previous systemic or local treatment for the new primary breast cancer currently under investigation (including surgery, radiotherapy, cytotoxic and endocrine treatments)

2 Intervention with any of the following:
(a) Use of sex-hormone-containing drugs within 6 months prior to the first dose of study treatment
(b) Medications or herbal supplements known to be strong inhibitors/inducers of CYP3A4/5, sensitive CYP2B6 substrates and drugs which are substrates of CYP2C9 and/or CYP2C19 which have a narrow therapeutic index
(c) Drugs that are known to prolong QT and have a known risk of torsades de pointes

3 Inflammatory breast cancer

4 Any evidence of severe or uncontrolled systemic diseases which in the investigator’s opinion makes it undesirable for the patient to participate in the study.

5 Any of the following cardiovascular criteria: Mean resting QTcF > 470 msec; resting heart rate of < 50 bpm; any clinically important abnormalities in rhythm, conduction, or morphology of resting ECG; any factors that increase the risk of QTc prolongation or risk of arrhythmic events; known left ventricular ejection fraction < 50%; significant cardiovascular procedure or event within the last 6 months; uncontrolled hypertension or symptomatic hypotension

6 Inadequate bone marrow reserve or organ function

7 Refractory nausea and vomiting, uncontrolled chronic gastrointestinal diseases, inability to swallow the formulated product, or previous significant bowel resection that would preclude adequate absorption of AZD9833

8 History of hypersensitivity to active or inactive excipients of AZD9833, or fulvestrant (stage 2 only)

9 Previous randomisation in the present study

10 Judgement by the Investigator that the patient should not participate in the study if the patient is unlikely to comply with study procedures, restrictions and requirements

E.5 End points

E.5.1

Primary end point(s)

• Change from baseline in ER expression between pre and on-treatment tumour samples measured by IHC.

E.5.1.1

Timepoint(s) of evaluation of this end point

baseline to day of biopsy

E.5.2

Secondary end point(s)

1. Change from baseline in PgR expression between pre and on-treatment tumour samples measured by IHC.
Change from baseline in Ki-67 labelling index between pre and on-treatment tumour samples measured by IHC.

2. Frequency and severity of adverse events (AEs)/Serious adverse events (SAEs).
Vital signs, electrocardiograms (ECGs).

3. Plasma concentrations of AZD9833 on the biopsy day.
.

E.5.2.1

Timepoint(s) of evaluation of this end point

1. Baseline to day of biopsy

2. Screening to end of safety follow up visit

3. Day of on-treatment biopsy

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

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)

Yes

E.7.3

Therapeutic confirmatory (Phase III)

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

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

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

Georgia

Mexico

United Kingdom

E.8.7

Trial has a data monitoring committee

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 the study is defined as the last expected visit/contact of the last patient undergoing the study.

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

E.8.9.2

In all countries concerned by the trial days

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:

F.1.3

Elderly (>=65 years)

Yes

F.1.3.1

Number of subjects for this age range:

F.2 Gender

F.2.1

Female

Yes

F.2.2

Male

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

F.4.2.2

In the whole clinical trial

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)

none

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

2020-11-16

Ethics Committee Opinion of the trial application

Favourable

Ethics Committee Opinion: Reason(s) for unfavourable opinion

Date of Ethics Committee Opinion

2020-11-16

P. End of Trial
P.	End of Trial Status	GB - no longer in EU/EEA

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