A Phase I Study of Hetrombopag Olamine in Healthy Adult Volunteers

Hengrui Medicine

Status and phase: Completed; Phase 1

Conditions: Healthy

Treatments: Drug: placebo; Drug: Hetrombopag Olamine Tablets

Study type: Interventional

Funder types: Industry

Identifiers

NCT01830660

SHR-TPOP1

Details and patient eligibility

About

Hetrombopag Olamine made by Jiangsu Hengrui Medicine co Ltd. has shown an effect of increasing platelet count in animal and human. This study is designed in dose escalation fashion to evaluate safety, pharmacokinetics and efficacy of Hetrombopag Olamine.

Full description

1. To evaluate safety and tolerability of Hetrombopag Olamine.
2. To investigate pharmacokinetics of Hetrombopag Olamine Under fasting conditions.
3. To obtain pharmacodynamics information of Hetrombopag Olamine on platelet count elevation in healthy volunteers.
4. To determine preliminary regimen for phase II study.

Enrollment: 96 estimated patients

Sex: Male

Ages: 18 to 45 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

1. Subject must be adequately informed of the nature and risks of the study, able to understand the risks associated with the study, and are willing to provide written informed consent prior to screening.
2. Must be a healthy male between the ages of 18 to 45 years, inclusive.
3. Must have a BMI between 19 to 28 kg/m2, inclusive and a total body weight ≥50 kg.
4. Platelet counts must be within the normal range.
5. Subjects must be free of any clinically significant disease based on medical history and physical examination.
6. Clinical laboratory tests (complete blood count [CBC], blood chemistries, and urinalysis) must be within the normal limits or clinically acceptable.
7. Must be nonsmokers, defined as not having smoked tobacco or used chewing tobacco or nicotine.
8. Subjects of reproductive potential with partners who are women of childbearing potential, will be instructed to, and must be willing to practice a highly effective method of birth control for the duration of the study and continuing 6 months after discontinuing treatment with the investigational product.

Exclusion criteria

1. History of hypersensitivity to hetrombopag olamine or its components.
2. History or presence of significant cardiovascular deficient, pulmonary, hepatic, gallbladder or biliary tract, renal, hematological, gastrointestinal, endocrine, immunological, dermatological, neurological, or psychiatric disease, or any other condition known to interfere with the absorption, distribution, metabolism, or excretion of drugs.
3. History of deep vein thrombosis, or any other thromboembolic event.
4. History or presence of conditions that may place the subject at increased risk as determined by the investigator.
5. History of thrombocytopenia or bleeding due to abnormal platelet number or function.
6. History of platelet clumping that prevents reliable measurement of platelet counts.

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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96 participants in 2 patient groups, including a placebo group

hetrombopag

Experimental group

Description:

hetrombopag either at 2.5,5,10,20,30 or 40mg, p.o. once daily

Treatment:

Drug: Hetrombopag Olamine Tablets

placebo

Placebo Comparator group

Description:

Subjects will be randomized (5:1 eltrombopag : placebo) to receive either eltrombopag or placebo.

Treatment:

Drug: placebo