Phase 2, Pharmacokinetics study of Eltrombopag in Japanese Thrombocytopenic Subjects with Chronic Liver Disease
Trial overview
Change from Baseline in Platelet Counts on Day 15
Timeframe: Baseline, Day 15
Analysis of covariance for three patterns of dose response using the change from baseline in platelet counts (Baseline Platelet Counts as Covariate)
Timeframe: Baseline, Day 15
Analysis of covariance for three patterns of dose response using the change from baseline in platelet counts (Baseline of Platelet Counts and Child-Pugh Class as Covariates)
Timeframe: Baseline, Day 15
Percent Change from Baseline in Platelet Counts on Day 15
Timeframe: Baseline, Day 15
Platelet Counts by Treatment Visit
Timeframe: Day 1 (Baseline), Day 8, Day 15, and Final Assessment Point (Day 15 or Day 22)
Platelet Counts by Post-Treatment Visit
Timeframe: 4 days post-treatment, 8 days post-treatment, and 15 days post-treatment
Platelet Counts at Day 22
Timeframe: Day 22
Change from Baseline in Platelet Counts by Treatment Visit
Timeframe: Baseline, Day 8, Day 15, and Final Assessment Point (Day 15 or Day 22)
Change from Baseline in Platelet Counts by Post-Treatment Visit
Timeframe: 4 days post-treatment, 8 days post-treatment, and 15 days post-treatment
Percentage of Responders on Day 15
Timeframe: Day 15
Percentage of Responders on Day 22
Timeframe: Day 22
Change from Baseline in Platelet Counts on Day 15 by Child-Pugh Class
Timeframe: Baseline, Day 15
Change from Baseline in Platelet Counts on Day 15 by Sex
Timeframe: Baseline, Day 15
Change from Baseline in Platelet Counts on Day 15 by Age
Timeframe: Baseline, Day 15
Log-transformed Cmax on Days 14 and 15 in participants receiving eltrombopag 12.5 mg
Timeframe: Day 14, Day 15
Log-transformed Tmax on Days 14 and 15 in participants receiving eltrombopag 12.5 mg
Timeframe: Day 14, Day 15
Log-transformed AUC(0-t) and AUC(0-24) on Days 14 and 15 in participants receiving eltrombopag 12.5 mg
Timeframe: Day 14, Day 15
- Subject who agree to comply with protocol requirements and instructions and who provide signed and dated written informed consent.
- Male and female subjects, ≥20 years of age (at the time of informed consent) with chronic liver disease.
- Subjects with known or suspected hypersensitivity, intolerance or allergy to any of the ingredients in eltrombopag tablets.
- Evidence of portal vein thrombosis on abdominal imaging (ultrasound with Doppler or appropriate magnetic resonance imaging/computed tomography (MRI/CT) imaging techniques) within 3 months before the start of the study.
- Subject who agree to comply with protocol requirements and instructions and who provide signed and dated written informed consent.
- Male and female subjects, ≥20 years of age (at the time of informed consent) with chronic liver disease.
- Child-Pugh score <=9.
- A baseline platelet count <50,000/mcL.
- A baseline serum sodium level >130 mEq/L.
- Haemoglobin concentration >8 g/dL, stable for at least 4 weeks.
- A female is eligible to enter and participate in the study if she is of: Non-childbearing potential (i.e., physiologically incapable of becoming pregnant) including any female who:
- Has had a hysterectomy
- Has had a bilateral oophorectomy (ovariectomy)
- Has had a bilateral tubal ligation
- Is post-menopausal (demonstrate total cessation of menses for longer than one year) Childbearing potential, has a negative urine and/or serum pregnancy test at screening, and within the 24 hour period prior to the first dose of investigational product and uses one of the following acceptable methods of contraception:
- Complete abstinence from intercourse.
- Any intrauterine device (IUD) with a documented failure rate of less than 1% per year.
- Double-barrier contraception (condom with spermicidal jelly, or diaphragm with spermicide).
- Male partner who is sterile (diagnosed by a qualified medical professional) prior to the female subject’s study entry and is the sole sexual partner for that female.
- Oral contraceptive (combined).
- Subject has no physical limitation to ingest and retain oral medication.
- Subjects with known or suspected hypersensitivity, intolerance or allergy to any of the ingredients in eltrombopag tablets.
- Evidence of portal vein thrombosis on abdominal imaging (ultrasound with Doppler or appropriate magnetic resonance imaging/computed tomography (MRI/CT) imaging techniques) within 3 months before the start of the study.
- History of arterial or venous thrombosis (including Budd-Chiari Syndrome), AND ≥ two of the following risk factors:
- hereditary thrombophilic disorders (e.g. antithrombinIII (ATIII) deficiency, etc.)
- hormone replacement therapy
- systemic contraception therapy (containing oestrogen)
- smoking
- diabetes
- hypercholesterolemia
- medication for hypertension or cancer
- Human Immunodeficiency Virus (HIV) infection.
- History of drug/alcohol abuse or dependence within 1 year prior to screening.
- Any disease condition associated with current active World Health Organization (WHO) Grade 3 or 4 bleeding.
- Active infection requiring systemic antibiotic therapy.
- Pregnant, nursing mothers, women who may be pregnant, or women who plan to become pregnant during the time of study participation.
- Treatment with platelet transfusion within 2 weeks prior to Day 1.
- Treatment with interferon within 4 weeks prior to Day 1.
- Treatment with an investigational drug within 30 days or five half-lives (whichever is longer) preceding the first dose of study medication.
- History of platelet agglutination abnormality.
- History of porphyria.
- Subjects who are deemed unsuitable for the study by the investigator (or subinvestigator).
Trial location(s)
Study documents
If you wish to request for full study report, please contact - [email protected]
Results overview
Results posted on ClinicalTrials.gov
Plain language summaries
Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.