Study Stopped
IRB approval expired
Rosuvastatin Interethnic PK Study
RST
Rosuvastatin Pharmacokinetic (PK) Study in Caucasian and Asian Morbid Obese Patients
2 other identifiers
interventional
21
2 countries
2
Brief Summary
Statins are the first-line and most commonly prescribed drugs for the prevention of cardiovascular diseases and stroke in the world. Our preliminary studies suggest that Caucasians might have a higher risk of developing potentially life-threatening drug-drug interactions than Asians when taking statins. Drug-drug interactions occur in the body when two or more drugs interact in a way that alters their effectiveness and/or toxicity. These interactions are becoming an increasingly severe problem with statin usage since patients at higher risk for cardiovascular diseases also take statins combined with many other drugs, such as antihypertensive and diabetic drugs. Our study is aimed at understanding the molecular factors and providing a sound basis for the interethnic dosage and response differences for statins. Drug-transporting proteins in intestine and liver tissues are responsible for taking up statins into the blood. It is hypothesized that there are interethnic function differences of these proteins and that they account for differences in statin blood levels between Caucasians and Asians and the frequency and/or severity of their respective drug-drug interactions. A clinical study will be conducted with Caucasian and Asian subjects undergoing gastric bypass surgery so excess intestine and liver tissue can be acquired as part of the standard procedure. Protein levels will be quantified in the tissues and correlate them with different statin blood levels.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Feb 2015
Longer than P75 for phase_1
2 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
July 31, 2014
CompletedFirst Posted
Study publicly available on registry
August 13, 2014
CompletedStudy Start
First participant enrolled
February 1, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 6, 2018
CompletedStudy Completion
Last participant's last visit for all outcomes
December 6, 2018
CompletedJanuary 18, 2020
January 1, 2020
3.8 years
July 31, 2014
January 15, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Area-under-the-concentration curve (AUC) of rosuvastatin
0,1,2,3,4,5,6,8,12,24,36,48 hr post dosing
Secondary Outcomes (2)
Change in oral clearance of rosuvastatin
Pre-surgery period: 48 hr after dosing; post-surgery period: 48 hr after dosing. Two periods separated by at least two months.
Descriptive comparison of messenger ribonucleic acid (mRNA) and protein expression in the tissues
Day of the surgery
Study Arms (2)
Asians
EXPERIMENTALDrug: Rosuvastatin Rosuvastatin 20mg po x1 Other Name: Crestor
Caucasians
EXPERIMENTALDrug: Rosuvastatin Rosuvastatin 20mg po x1 Other Name: Crestor
Interventions
Eligibility Criteria
You may qualify if:
- Subjects that are scheduled for bariatric surgery.
- Subjects that are able and willing to donate surplus intestinal tissue.
- Subjects with solute carrier organic anion transporter \*1 (SLCO1B1) and breast cancer resistant protein (BCRP) 421CC genotypes.
- White/Caucasian/European and Asian/East Asian heritage individuals, male or female, 18 years of age or older.
- BMI between 30-55 kg/m2
- Be able to read, speak, and understand English(UCSF) and Chinese(Taiwan).
- Subjects capable of providing informed consent and completing the requirements of the study.
You may not qualify if:
- Subjects with active liver and kidney problems, severe cardiovascular diseases, type I diabetes, advanced pulmonary disease, and cancers.
- Subjects on chronic prescription or over the counter medication that have previously been reported to exhibit drug-drug interactions with rosuvastatin and cannot be stopped two weeks prior to and during the study, including gemfibrozil, cyclosporine, atazanavir, lopinavir and ritonavir.
- Subjects incapable of multiple blood draws (HCT \< 30mg/dL).
- Subjects with a history of rhabdomyolysis.
- Subjects with a history of drug-related myalgias.
- Subjects with a history or diagnosis of hemorrhagic tendencies or blood dyscrasias.
- Subjects with a history of GI bleed or peptic ulcer disease.
- Subjects with a recent history of trauma.
- Subjects who smoke tobacco or have ongoing alcohol or illegal drug use.
- Subjects who are pregnant, lactating, or trying to conceive during the study period.
- Subjects allergic to rosuvastatin or any known component of the medications.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of California, San Franciscolead
- E-DA Hospitalcollaborator
Study Sites (2)
University of California, San Francisco
San Francisco, California, 94143, United States
E-Da Hospital
Kaohsiung City, 82445, Taiwan
Related Publications (1)
Wu HF, Hristeva N, Chang J, Liang X, Li R, Frassetto L, Benet LZ. Rosuvastatin Pharmacokinetics in Asian and White Subjects Wild Type for Both OATP1B1 and BCRP Under Control and Inhibited Conditions. J Pharm Sci. 2017 Sep;106(9):2751-2757. doi: 10.1016/j.xphs.2017.03.027. Epub 2017 Apr 3.
PMID: 28385543DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Leslie Benet, PhD
University of California, San Francisco
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- BASIC SCIENCE
- Intervention Model
- CROSSOVER
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
July 31, 2014
First Posted
August 13, 2014
Study Start
February 1, 2015
Primary Completion
December 6, 2018
Study Completion
December 6, 2018
Last Updated
January 18, 2020
Record last verified: 2020-01