Clinical Trials Register

Summary
EudraCT Number:	2004-000367-98
Sponsor's Protocol Code Number:	TRA100773
National Competent Authority:	Spain - AEMPS
Clinical Trial Type:	EEA CTA
Trial Status:	Completed
Date on which this record was first entered in the EudraCT database:	2006-04-24
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

Spain - AEMPS

A.2

EudraCT number

2004-000367-98

A.3

Full title of the trial

A double-blind, randomised, placebo-controlled, parallel group study to investigate the efficacy, safety, tolerability, pharmacokinetics and pharmacodynamics of SB-497115-GR, a thrombopoietin receptor agonist, administered at 30, 50 and 75 mg as oral tablets once-daily for 6 weeks to adult male and female subjects with refractory, chronic immune thrombocytopenic purpura.

A.4.1

Sponsor's protocol code number

TRA100773

A.7

Trial is part of a Paediatric Investigation Plan

Information not present in EudraCT

A.8

EMA Decision number of Paediatric Investigation Plan

B. Sponsor Information
B.Sponsor: 1
B.1.1	Name of Sponsor	GlaxoSmithKline Research and Development Limited
B.1.3.4	Country	United Kingdom
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
B.4.2	Country
B.5 Contact point designated by the sponsor for further information on the trial
B.5.1	Name of organisation
B.5.2	Functional name of contact point

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	Information not present in EudraCT
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.3.2	Product code	SB497115
D.3.4	Pharmaceutical form	Tablet
D.3.4.1	Specific paediatric formulation	Information not present in EudraCT
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.9.1	CAS number	CASRN 496775
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	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)	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	Information not present in EudraCT
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	Information not present in EudraCT
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.8	Extractive medicinal product	Information not present in EudraCT
D.3.11.9	Recombinant medicinal product	Information not present in EudraCT
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	Information not present in EudraCT
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.3.2	Product code	SB497115
D.3.4	Pharmaceutical form	Tablet
D.3.4.1	Specific paediatric formulation	Information not present in EudraCT
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.9.1	CAS number	CASRN 496775
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)	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	Information not present in EudraCT
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	Information not present in EudraCT
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.8	Extractive medicinal product	Information not present in EudraCT
D.3.11.9	Recombinant medicinal product	Information not present in EudraCT
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	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	Information not present in EudraCT
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.3.2	Product code	SB497115
D.3.4	Pharmaceutical form	Tablet
D.3.4.1	Specific paediatric formulation	Information not present in EudraCT
D.3.7	Routes of administration for this IMP	Oral use
D.3.8 to D.3.10 IMP Identification Details (Active Substances)
D.3.9.1	CAS number	CASRN 496775
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)	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.3.4	Combination ATIMP (i.e. one involving a medical device)	Information not present in EudraCT
D.3.11.3.5	Committee on Advanced therapies (CAT) has issued a classification for this product	Information not present in EudraCT
D.3.11.4	Combination product that includes a device, but does not involve an Advanced Therapy	Information not present in EudraCT
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	Information not present in EudraCT
D.3.11.8	Extractive medicinal product	Information not present in EudraCT
D.3.11.9	Recombinant medicinal product	Information not present in EudraCT
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	Tablet
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

Immune thrombocytopenic purpura (ITP)

MedDRA Classification

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 determine the efficacy of SB-497115-GR as a thrombopoietic agent, when administered once daily for 6 weeks to adult patients with refractory chronic ITP.

E.2.2

Secondary objectives of the trial

- To assess the safety and tolerability of SB-497115-GR when administered once daily for 6 weeks to adult patients with refractory chronic ITP.
- To characterize the population pharmacokinetic profile of oral SB-497115-GR using a combined sparse and serial pharmacokinetic sampling strategy when administered once daily for 6 weeks to adult patients with refractory chronic ITP.
- To determine the pharmacodynamic effect of SB-497115-GR on markers of thrombopoiesis when administered once daily for 6 weeks to adult patients with refractory chronic ITP.
- To assess the impact of SB-497115-GR on the incidence and severity of symptoms of thrombocytopenia when administered once daily for 6 weeks to adult patients with refractory chronic ITP.
- To assess the impact of SB-497115-GR on the quality of life when administered once daily for 6 weeks to adult patients with refractory chronic ITP.

E.2.3

Trial contains a sub-study

Information not present in EudraCT

E.3

Principal inclusion criteria

1. Diagnosed with chronic ITP at least 6 months prior to screening for this study with a platelet count of <30,000 platelets/L.
2. Refractory patients who have failed at least one previous treatment for chronic ITP, including corticosteroids, immunoglobulins, azathioprin, danazol, immunomodulators and/or splenectomy.
3. Subjects treated with maintenance corticosteroid therapy must be receiving a steroid dose that has been stable for at least 1 month.
4. No past history of myocardial infarction or clinically significant ECG findings at screening.
5. Normal PT and aPTT, no history of clotting disorder, other than ITP.
6. Male, or female subjects that agree to use acceptable methods of contraception [including an intrauterine device (IUD)] and two forms of barrier contraception if engaging in sexual intercourse for at least 7 days prior to the first dose of study medication and continuing until 30 days after the final dose of study medication.
7. Aged over 18 years.
8. A signed and dated written informed consent is obtained from the subject.

E.4

Principal exclusion criteria

1. Any clinically relevant abnormality, other than ITP, identified on the screening examination or any other medical condition or circumstance, which in the opinion of the Investigator, makes the subject unsuitable for participation in the study.
2. History of thrombosis within the last year.
3. For female subjects, a positive serum or urine human chorionic gonadotrophin pregnancy test at screening or predose on Day 1.
4. For female subjects, no current hormone replacement therapy or current oral contraceptive use.
5. History of alcohol/drug abuse or dependence within 12 months of the study.
6. Treatment with an investigational drug within 30 days or five half-lives (whichever is longer) preceding the first dose of study medication.
7. Consumption of aspirin, aspirin-containing compounds, salicylates, milk of magnesia, or nonsteroidal anti-inflammatories (NSAIDs) within 3 weeks of the study start and until the end of the study.
8. Consumption of substrates of the cytochrome P450 2C9 isozyme, including diclofenac, ibuprofen, meloxicam, naproxen, flurbiprofen, piroxicam, suprofen, tolbutamide, glipizide, losartan, irbesartan, glibenclamide, glimepiride, amitriptyline, celecoxib, fluoxetine, fluvastatin, glyburide, fluoxetine, fluvastatin, glyburide, nateglinide, phenytoin, rosiglitazone, tamoxifen, torsemide and S-warfarin.
9. Consumption of any herbal or dietary supplements, excluding vitamin or mineral supplements, within 1 week of the study start.
10. A complete blood count (CBC) and/or reticulocyte count outside the reference range, except for platelet count.
11. History of platelet aggregation that prevents reliable measurement of platelet counts.
12. History of infection with HIV, hepatitis B virus or hepatitis C virus.

E.5 End points

E.5.1

Primary end point(s)

- Proportion of subjects with a platelet count of >50,000/uL after 42 days of dosing. Patients who meet this criterion will be referred to as treatment responders.

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

Yes

E.6.10

Pharmacogenetic

Information not present in EudraCT

E.6.11

Pharmacogenomic

Yes

E.6.12

Pharmacoeconomic

E.6.13

Others

Yes

E.6.13.1

Other scope of the trial description

Quality of life

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

E.8.1.3

Single blind

E.8.1.4

Double blind

Yes

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)

E.8.2.2

Placebo

Yes

E.8.2.3

Other

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.8.5

The trial involves multiple Member States

Yes

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

Information not present in EudraCT

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

E.8.7

Trial has a data monitoring committee

Information not present in EudraCT

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

LPLV

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	No
F.1.1.1	In Utero	Information not present in EudraCT
F.1.1.2	Preterm newborn infants (up to gestational age < 37 weeks)	Information not present in EudraCT
F.1.1.3	Newborns (0-27 days)	Information not present in EudraCT
F.1.1.4	Infants and toddlers (28 days-23 months)	Information not present in EudraCT
F.1.1.5	Children (2-11years)	Information not present in EudraCT
F.1.1.6	Adolescents (12-17 years)	Information not present in EudraCT
F.1.2	Adults (18-64 years)	Yes
F.1.3	Elderly (>=65 years)	Yes
F.2 Gender
F.2.1	Female	Yes
F.2.2	Male	Yes
F.3 Group of trial subjects
F.3.1	Healthy volunteers	No
F.3.2	Patients	Yes
F.3.3	Specific vulnerable populations	Information not present in EudraCT
F.3.3.1	Women of childbearing potential not using contraception For clinical trials recorded in the database before the 10th March 2011 this question read: "Women of childbearing potential" and did not include the words "not using contraception". An answer of yes could have included women of child bearing potential whether or not they would be using contraception. The answer should therefore be understood in that context. This trial was recorded in the database on 2006-04-24.	Yes
F.3.3.2	Women of child-bearing potential using contraception	Information not present in EudraCT
F.3.3.3	Pregnant women	No
F.3.3.4	Nursing women	No
F.3.3.5	Emergency situation	No
F.3.3.6	Subjects incapable of giving consent personally	No
F.3.3.7	Others	No
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	129
F.4.2.2	In the whole clinical trial	422

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

2005-05-26

Ethics Committee Opinion of the trial application

Favourable

Ethics Committee Opinion: Reason(s) for unfavourable opinion

Date of Ethics Committee Opinion

2005-05-06

P. End of Trial
P.	End of Trial Status	Completed
P.	Date of the global end of the trial	2007-01-31

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