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Name:
UMIN ID:

Recruitment status Completed
Unique ID issued by UMIN UMIN000033695
Receipt No. R000038418
Official scientific title of the study OPEN-LABEL, RANDOMIZED, CROSSOVER STUDY TO ASSESS THE DOSE-DEPENDENT EFFECT OF RIFAMPICIN ON THE PHARMACOKINETICS OF ENDOGENOUS BIOMARKERS AND PROBE DRUGS FOR ASSESSMENT OF DRUG-DRUG INTERACTIONS MEDIATED BY OATP1B
Date of disclosure of the study information 2018/08/09
Last modified on 2018/08/09

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Basic information
Official scientific title of the study OPEN-LABEL, RANDOMIZED, CROSSOVER STUDY TO ASSESS THE DOSE-DEPENDENT EFFECT OF RIFAMPICIN ON THE PHARMACOKINETICS OF ENDOGENOUS BIOMARKERS AND PROBE DRUGS FOR ASSESSMENT OF DRUG-DRUG INTERACTIONS MEDIATED BY OATP1B
Title of the study (Brief title) OATP endogenous substrate-interaction study
Region
Japan

Condition
Condition Healthy volunteers (Japanese male)
Classification by specialty
Adult
Classification by malignancy Others
Genomic information YES

Objectives
Narrative objectives1 Quantitative analysis for interactions between OATP1B endogenous substrates, statins (atorvastatin, pitavastatin, rosuvastatin and valsartan) and rifampicin via hepatic OATP1B in Japanese healthy male adults
Basic objectives2 Pharmacokinetics
Basic objectives -Others
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes Plasma concentrations of coproporphyrins, total and direct bilirubin, bile acids (including glucuronide and sulfate conjugates), and 7a-hydroxy-4-cholesten-3-one, effect of the administration of rifampicin

Plasma concentrations of atorvastatin, pitavastatin, rosuvastatin, valsartan and rifampicin, and their metabolites, effect of the coadministration of rifampicin, pharmacokinetic parameters
Key secondary outcomes Effect of genetic polymorphisms of OATP1B1 and other transporters and metabolizing enzymes related to the disposition of the probe drugs and endogenous substrates

Base
Study type Interventional

Study design
Basic design Cross-over
Randomization Randomized
Randomization unit Individual
Blinding Open -but assessor(s) are blinded
Control Placebo
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms 2
Purpose of intervention Treatment
Type of intervention
Medicine
Interventions/Control_1 baseline (day0), day 1 Drug administration (semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin) -> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (150 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin) -> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (300 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin)-> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (600 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin)
Interventions/Control_2 baseline (day0), day 1 Drug administration (semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin) -> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (300 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin) -> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (150 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin)-> (over 1week for washout) -> Drug administration(clinical dose of rifampicin (600 mg), and semi-pharmacological dose of atorvastatin, valsartan, pitavastatin, and rosuvastatin)
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10

Eligibility
Age-lower limit
20 years-old <=
Age-upper limit
40 years-old >=
Gender Male
Key inclusion criteria a) Japanese male subjects at the age of 20-40 at the timing of informed consent
b) Person who is judged as an appropriate subject for this clinical study by doctors based on the previous medical history and the results of clinical test at the screening
c) BMI of subject should be in the range of 18.5 and 25 at the screening.
d) person who can understand and follow the clinical study plan and give us a written informed consent based on the free will
Key exclusion criteria 1.a history of hypersensitivity to atorvastatin, pitavastatin, rosuvastatin, valsartan and rifampicin
2.lactose intolerance
3.hypotension (systolic blood pressure <90 mmHg) or hypertension (systolic blood pressure >160 mmHg)
4.donated or lost 200 mL (1 unit) of blood within 4 weeks before administration of study drugs or 400 mL (2 units) of blood within 3 months before administration of study drugs
5.a medical history/complication of severe nerve disease, cerebrovascular disease, liver disease, kidney disease, endocrine disease, cardiovascular disease, gastrointestinal disease (including digestive system disease which is considered to affect the absorption of study drugs), respiratory disease, metabolic disease, and anemia
6.known to have Gilberts Disease, and/or Rotor syndrome
7.confirmed of a clinically severe abnormality based on medical examination or physical examination by the investigator or subinvestigator
8.a clinically severe disease within 30 days before administration of study drugs
9.took drugs, health food including St. Johns wort, food 14 days prior to dosing and beverages including grapefruit, orange and apple (including food containing them), and nutritional supplements 7 days prior to dosing and cannot comply with prohibition of taking them during the study
10.smoking or taking nicotine within 30 days before administration of study drugs and who cannot comply with smoking cessation during the study period
11.took alcohol/caffeine-containing food on the day before hospitalization in each study period and cannot comply with prohibition of taking them until the day of discharge in each study period
12.tested positive in an alcohol breath test/urine drug test at screening
13.cannot discontinue the use of drugs other than study drugs from 2 weeks before administration of study drugs until the study completion
14.positive to HBs antigens, HCV antibodies, or HIV antigens/antibodies
15.judged inappropriate by the investigator or subinvestigator
Target sample size 8

Research contact person
Name of lead principal investigator Dr. Ken-ichi Furihata
Organization P-One Clinic,Keikokai Medical Corp.
Division name Chairman
Address View Tower Hachioji 4F Yokamachi Hachioji City,Tokyo,Japan 192-0071
TEL 042-625-5216
Email furihata@p1-clinic.or.jp

Public contact
Name of contact person Hiroyuki Kusuhara
Organization The University of Tokyo
Division name Graduate School of Pharmaceutical Sciences
Address 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
TEL 03-5841-4770
Homepage URL
Email kusuhara@mol.f.u-tokyo.ac.jp

Sponsor
Institute P-One Clinic,Keikokai Medical Corp.
Institute
Department

Funding Source
Organization Pfizer
Organization
Division
Category of Funding Organization Outside Japan
Nationality of Funding Organization USA

Other related organizations
Co-sponsor
Name of secondary funder(s)

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW

Institutions
Institutions 医療法人社団慶幸会 ピーワンクリニック

Other administrative information
Date of disclosure of the study information
2018 Year 08 Month 09 Day

Progress
Recruitment status Completed
Date of protocol fixation
2018 Year 01 Month 22 Day
Anticipated trial start date
2018 Year 02 Month 01 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Related information
URL releasing protocol
Publication of results Unpublished
URL releasing results
Results
Other related information

Management information
Registered date
2018 Year 08 Month 09 Day
Last modified on
2018 Year 08 Month 09 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000038418

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


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