| Eligibility |
Inclusion Criteria:
1. Healthy Thai male or female subjects between the ages of 18 to 55 years
2. Body mass index between 18.5 to 30.0 kg/m2
3. Normal laboratory values, including vital signs and physical examination, for all
parameters in clinical laboratory tests at screening Any abnormalities from the normal
or reference range will be carefully considered clinically relevant by the physician
as individual cases, documented in study files prior to enrolling the subject in this
study.
4. Non-pregnant woman (negative pregnancy test) and not currently breast feeding
5. Female subjects abstain from either hormonal methods of contraception (including oral
or transdermal contraceptives, injectable progesterone, progestin subdermal implants,
progesterone-releasing IUDs, postcoital contraceptive methods) or hormone replacement
therapy for at least 28 days prior to check-in in Period 1. Injectable contraceptives
e.g. Depo-Provera® will be discontinued at least 6 months prior to check-in in Period
1. Subjects agree to use acceptable non-hormonal contraceptive methods such as condom,
diaphragm, foams, jellies, or abstinence for at least 14 days prior to check-in in
Period 1 until 7 days after the end of study in Period 2. Female subjects of
non-childbearing potential must meet at least one of the following criteria prior to
check-in in Period 1:
- Postmenopausal for at least 1 year or
- Surgically sterile (bilateral tubal ligation, bilateral oophorectomy or
hysterectomy) at least 6 months
6. Male subjects who are willing or able to use effective contraceptive e.g. condom or
abstinence after check-in in Period 1 until 7 days after the end of study in Period 2.
7. Have voluntarily given written informed consent (signed and dated) by the subject
prior to participating in this study
Exclusion Criteria:
1. History of allergic reaction or hypersensitivity to diacerein or rhein or
anthraquinone derivatives or to any of the excipients
2. History or evidence of clinically significant renal, hepatic, gastrointestinal,
hematological (e.g. anemia), endocrine (e.g. hypo-/hyperthyroid, diabetes), pulmonary
or respiratory (e.g. asthma), cardiovascular (e.g. hypo-/hypertension), psychiatric,
neurologic (e.g. seizures), allergic disease (including drug allergies, but excluding
untreated, asymptomatic, seasonal allergies at time of dosing) or any significant
ongoing chronic medical illness
3. Have high risk for coronavirus infection based on risk assessment questionnaire or
diagnosed as confirmed case of COVID-19
4. History about administration of COVID-19 vaccine within 30 days prior to check-in in
each Period.
5. History or evidence of enterocolic disturbances such as irritable colon
6. History or evidence of inflammatory intestinal disease (e.g. ulcerative colitis,
Crohn's disease), intestinal obstruction or pseudo-obstruction, painful abdominal
syndromes of undetermined cause
7. History or evidence of severe liver disease
8. History or evidence of galactose intolerance, the Lapp lactase deficiency or
glucosegalactose malabsorption
9. History of sensitivity to heparin or heparin-induced thrombocytopenia
10. History of problems with swallowing tablet or capsule
11. Any condition possibly affecting drug absorption e.g. gastrectomy, enterectomy,
gastritis or duodenal or gastric ulceration other than appendectomy
12. History of diarrhea or vomiting or dehydration within 24 hours prior to check-in in
each period
13. History or evidence of drug addict or investigation with urine sample shows a positive
test for drug of abuse (morphine, marijuana or methamphetamine)
14. Investigation with blood sample shows level of potassium less than 3.5 or more than
5.0 mmol/L at screening laboratory test.
15. Have eGFR (CKD-EPI) < 50 mL/min/1.73 m2 based on serum creatinine results, at the
screening laboratory test or during enrollment
16. Abnormal liver function, =1.5 times of upper normal limit of reference range for ALT,
AST or bilirubin levels at screening laboratory test
17. Investigation with blood sample shows positive test for HBsAg
18. History or evidence of habitual use of tobacco or nicotine containing products and
cannot abstain for at least 48 hours prior to check-in in Period 1 and continued for
entire duration of the study
19. History or evidence of alcoholism or harmful use of alcohol (less than 2 years) i.e.,
alcohol consumption of more than 14 standard drinks per week for men and 7 standard
drinks per week for women (A standard drink is defined as 360 mL of beer or 150 mL of
wine or 45 mL of 40% distilled spirits, such as rum, whisky, brandy, etc.)
20. History or evidence of alcohol consumption or alcohol-containing products and cannot
abstain for at least 48 hours prior to check-in in Period 1 and continued for entire
duration of the study or alcohol breath test shows positive result In case of alcohol
breath test result represents the alcohol concentration range of 1
- 10 mg% BAC and the physician carefully considers that the value came from other
reasons, not from the alcohol drinking behavior of subjects, the test will be repeated
two times separately, not more than 10 minutes. The result of the last time should be
used for subject's eligibility which must be 0 mg%BAC.
21. History or evidence of habitual consume of tea, coffee, xanthine or caffeine
containing products and cannot abstain for at least 48 hours prior to check-in in
Period 1 and continued for entire duration of the study
22. Consume or drink juice of grapefruit or orange or pomelo or its supplement /
containing products and cannot abstain for at least 7 days prior to check-in in Period
1 and continued for entire duration of the study
23. Use of prescription or nonprescription drugs (e.g. paracetamol, digoxin, digitoxin,
amoxicillin/clavulanic acid, other antibiotics, diuretics, cardiac glycosides,
laxative drugs, antacids and chemotherapy), herbal medications or supplements (e.g.
St. John's wort), vitamins or mineral (e.g. iron) or dietary supplements within 14
days prior to check-in in Period 1 and continued for entire duration of the study
24. Participated in other clinical trials within 90 days prior to check-in in Period 1
(except for the subjects who drop out or withdrawn from the previous study prior to
Period 1 dosing) or still participates in the clinical trial or participates in other
clinical trials during enrollment in this study
25. Blood donation or blood loss = 1 unit (1 unit is equal to 350-450 mL of blood) within
90 days prior to check-in in Period 1 or during enrollment
26. Subjects with poor venous access or intolerant to venipuncture
27. Unwilling or unable to comply with schedule visit, treatment plan and other study
procedures until end of study
28. Inability to communicate well (i.e. language problem, poor mental development,
psychiatric illness or poor cerebral function) that may impair the ability to provide
written informed consent or cooperate with clinical team
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