Clinical Trials Register

Summary
EudraCT Number:	2018-003395-12
Sponsor's Protocol Code Number:	ASTX727-02
National Competent Authority:	Austria - BASG
Clinical Trial Type:	EEA CTA
Trial Status:	Completed
Date on which this record was first entered in the EudraCT database:	2020-02-06
Trial results	View 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

Austria - BASG

A.2

EudraCT number

2018-003395-12

A.3

Full title of the trial

A Phase 3, Randomized, Open-Label, Crossover Study of ASTX727 (Cedazuridine and Decitabine Fixed-Dose Combination) versus IV Decitabine in Subjects with Myelodysplastic Syndromes (MDS), Chronic Myelomonocytic Leukemia (CMML), and Acute Myeloid Leukemia (AML)

A.3.1

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

A clinical trial to compare Decitabine blood level after treatment with ASTX727 tablet to IV Decitabine in patients with MDS, CMML and AML.

A.4.1

Sponsor's protocol code number

ASTX727-02

A.5.4

Other Identifiers

Name:

IND Number

Number:

116145

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	Astex Pharmaceuticals, Inc.
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	Astex Pharmaceuticals, Inc.
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	Astex Pharmaceuticals, Inc.
B.5.2	Functional name of contact point	Karen Mosher
B.5.3	Address:
B.5.3.1	Street Address	4420 Rosewood Dr., Suite 200,
B.5.3.2	Town/ city	Pleasanton, CA
B.5.3.3	Post code	94588
B.5.3.4	Country	United States
B.5.4	Telephone number	+1925560 2954
B.5.6	E-mail	karen.mosher@astx.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	Decitabine and Cedazuridine
D.3.2	Product code	ASTX727
D.3.4	Pharmaceutical form	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	CEDAZURIDINE
D.3.9.1	CAS number	1141397-80-9
D.3.9.4	EV Substance Code	SUB194550
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.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	DECITABINE
D.3.9.1	CAS number	2353-33-5
D.3.9.4	EV Substance Code	SUB06932MIG
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	35
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	Dacogen (Janssen-Cilag)
D.2.1.1.2	Name of the Marketing Authorisation holder	Janssen-Cilag International NV
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	Decitabine
D.3.4	Pharmaceutical form	Powder for concentrate for solution for infusion
D.3.4.1	Specific paediatric formulation	No
D.3.7	Routes of administration for this IMP	Intravenous use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.8	INN - Proposed INN	DECITABINE
D.3.9.1	CAS number	2353-33-5
D.3.9.4	EV Substance Code	SUB06932MIG
D.3.10	Strength
D.3.10.1	Concentration unit	mg/ml milligram(s)/millilitre
D.3.10.2	Concentration type	range
D.3.10.3	Concentration number	0.15 to 1.0
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

Acute myeloid leukemia (AML), myelodysplastic syndromes (MDS), and chronic myelomonocytic leukemia (CMML)

E.1.1.1

Medical condition in easily understood language

Myeloid leukemia (AML), myelodysplastic syndromes (MDS), chronic myelomonocytic leukemia (CMML), or a type of cancer with solid tumors.

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	21.1
E.1.2	Level	PT
E.1.2	Classification code	10000880
E.1.2	Term	Acute myeloid leukaemia
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	21.1
E.1.2	Level	PT
E.1.2	Classification code	10028533
E.1.2	Term	Myelodysplastic syndrome
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	21.0
E.1.2	Level	PT
E.1.2	Classification code	10009018
E.1.2	Term	Chronic myelomonocytic leukaemia
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

Yes

E.2 Objective of the trial

E.2.1

Main objective of the trial

• To establish decitabine AUC equivalence of 5-day dosing between
ASTX727 and IV decitabine.

E.2.2

Secondary objectives of the trial

To assess the following:
• Long-term safety and efficacy (response rate) of ASTX727
• Long interspersed nucleotide elements-1 (LINE-1) demethylation
• Additional pharmacokinetics (PK) parameters.

E.2.3

Trial contains a sub-study

E.3

Principal inclusion criteria

Approximately 200 total subjects (with at least 118 evaluable for the primary PK endpoint analysis) will be enrolled in this study at approximately 70 study centers in North America and Europe. Subjects must fulfill all of the following inclusion criteria:
1. Able to understand and comply with the study procedures, understand the risks involved in the study, and provide legally effective informed consent before the first study-specific procedure; specifically able to comply with the PK assessment schedule during the first 2 treatment cycles.
2. Men or women ≥18 years who are candidates to receive IV decitabine according to FDA or EMA approved indications:
a) In North America: Subjects with MDS previously treated or untreated with de novo or secondary MDS, including all French-American-British subtypes (refractory anemia, refractory anemia with ringed sideroblasts, refractory anemia with excess blasts, refractory anemia with excess blasts in transformation, and chronic myelomonocytic leukemia [CMML]), and subjects with MDS International Prognostic Scoring System (IPSS) int-1, -2, or high-risk MDS.
b) In Europe: Subjects with de novo or secondary AML, as defined by World Health Organization (WHO) criteria, who are not candidates for standard induction chemotherapy.
c) In Canada: Subjects with de novo or secondary AML, as defined by WHO criteria, who in the judgment of their physician are not deemed candidates for standard induction chemotherapy for AML and for whom there is no available approved standard therapy in Canada.
3. Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1.
4. Adequate organ function defined as follows:
a) Hepatic: Total or direct bilirubin ≤2 × upper limit of normal (ULN); AST/SGOT and ALT/SGPT ≤2.5 × ULN.
b) Renal: serum creatinine ≤1.5 × ULN or calculated creatinine clearance or glomerular filtration rate >50 mL/min/1.73 m2 for subjects with creatinine levels above institutional normal.
5. No major surgery within 30 days of first study treatment.
6. Life expectancy of at least 3 months.
7. Women of child-bearing potential (according to recommendations of the Clinical Trial Facilitation Group) must not be pregnant or breastfeeding and must have a negative pregnancy test at screening. Women of childbearing potential must agree to practice 2 highly effective contraceptive measures of birth control (as described in the protocol) and must agree not to become pregnant for 6 months after completing treatment; men with female partners of child-bearing potential must agree to practice 2 highly effective contraceptive measures of birth control (as described in the protocol) and must agree not to father a child while receiving treatment with ASTX727 and for at least 3 months after completing treatment.

E.4

Principal exclusion criteria

Subjects meeting any of the following criteria will be excluded from the study:
1. Prior treatment with more than 1 cycle of azacitidine or decitabine. Prior cytotoxic chemotherapy for AML except for hydroxyurea to control high white blood cell (WBC) counts.
2. Hospitalization for more than 2 days for documented febrile neutropenia, pneumonia, sepsis, or systemic infection in the 30 days before screening.
3. Treatment with any investigational drug or therapy within 2 weeks of study treatment, or 5 half-lives, whichever is longer, before the first dose of study treatment, or ongoing clinically significant adverse events (AEs) from previous treatment.
4. Cytotoxic chemotherapy or prior azacitidine or decitabine within 4 weeks of first dose of study treatment.
5. Concurrent MDS therapies, including lenalidomide, erythropoietin, cyclosporine/tacrolimus, granulocyte-colony stimulating factor (G-CSF), granulocyte-macrophage colony-stimulating factor, etc. (Prior treatment with these agents is permitted, provided that completion is at least 1 week before the first dose of study treatment.)
6. Poor medical risk because of other conditions such as uncontrolled systemic diseases, active uncontrolled infections, or comorbidities that may put the patient at risk of not being able to complete at least 2 cycles of treatment.
7. Known significant mental illness or other condition, such as active alcohol or other substance abuse or addiction, that in the opinion of the investigator predisposes the subject to high risk of noncompliance with the protocol.
8. Rapidly progressive or highly proliferative disease (total white blood cell count of >15 × 109/L) or other criteria that render the subject at high risk of requiring intensive cytotoxic chemotherapy within the next 3 months.
9. Life-threatening illness or severe organ system dysfunction, such as uncontrolled congestive heart failure or chronic obstructive pulmonary disease, or other reasons including laboratory abnormalities, which, in the investigator's opinion, could compromise the subject's safety, interfere with the absorption or metabolism of ASTX727, or compromise completion of the study or integrity of the study outcomes.
10. Prior malignancy, except for adequately treated basal cell or squamous cell skin cancer, in situ cervical cancer, prostate cancer or breast cancer under control with hormone therapy, or other cancer from which the subject has been disease free for at least 2 years.
11.Hypersensitivity to decitabine, cedazuridine, or any of the excipients in ASTX727 tablets or IV decitabine.

E.5 End points

E.5.1

Primary end point(s)

Primary Endpoint
Comparison between ASTX727 and IV decitabine:
• Total 5-day AUC exposures of decitabine after treatment with ASTX727 versus IV decitabine.

E.5.1.1

Timepoint(s) of evaluation of this end point

Study evaluation visits will occur on Days 1-5, then weekly, in Cycles 1 and 2.

E.5.2

Secondary end point(s)

Secondary Endpoints
• Safety as assessed by AEs, concomitant medications, physical examination, clinical laboratory tests (hematology, serum chemistry, and urinalysis), vital signs, ECOG performance status, and electrocardiogram (ECG).
• Maximum %LINE-1 demethylation.
• Additional secondary PK parameters.
• MDS/CMML subjects: Clinical response (complete response [CR], marrow complete response [mCR], partial response (PR), and hematologic improvement [HI]) based on International Working Group (IWG) 2006 MDS response criteria.
• AML subjects: CR, CR with incomplete platelet recovery (CRp), and CR with incomplete blood count recovery (CRi) based on IWG 2003 AML response criteria.
• Red blood cell (RBC) or platelet transfusion independence (TI).
• Leukemia-free survival (MDS/CMML subjects), defined as the number of days from the date of randomization to the date when bone marrow or peripheral blood blasts reach ≥20%, or death from any cause.
• Overall survival (OS), defined as the number of days from the date of randomization to the date of death from any cause.

E.5.2.1

Timepoint(s) of evaluation of this end point

• For maximum %LINE-1 demethylation, weekly evaluation in the first 2 cycles
• For all other secondary endpoints, 28 days evaluation

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

Yes

E.6.9

Dose response

E.6.10

Pharmacogenetic

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)

Yes

E.7.1.1

First administration to humans

E.7.1.2

Bioequivalence study

Yes

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

E.8.1.6

Cross over

Yes

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

Dacogen (decitabine)

E.8.2.4

Number of treatment arms in the trial

E.8.3

The trial involves single site in the Member State concerned

Yes

E.8.4

The trial involves multiple sites in the 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

Canada

Germany

Italy

Spain

United States

France

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

Study Duration and Termination:
The expected study duration is approximately 24 months (18 months of enrollment and at least 6 months of treatment and follow up).

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:

158

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

F.4.2.2

In the whole clinical trial

208

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

2020-04-30

Ethics Committee Opinion of the trial application

Favourable

Ethics Committee Opinion: Reason(s) for unfavourable opinion

Date of Ethics Committee Opinion

2020-02-26

P. End of Trial
P.	End of Trial Status	Completed
P.	Date of the global end of the trial	2023-03-28

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