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Effect of co-administration of quercetin on the endothelial dysfunction after continuous treatment of nitroglycerin in Japanese volunteers with aldehyde dehydrogenase2 *2 polymorphism: randomized crossover trial

Effect of co-administration of quercetin on the endothelial dysfunction after continuous treatment of nitroglycerin in Japanese volunteers with aldehyde dehydrogenase2 *2 polymorphism: randomized crossover trial - Effect of quercetin on the endothelial dysfunction after nitroglycerine treatment in Japanese volunteers with ALDH2 *2 polymorphism

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000033639
Enrollment
24
Registered
2018-08-06
Start date
2018-08-06
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

angina pectoris

Interventions

nitroglycerin 25 mg/day is transdermally administered for 7 days nitroglycerin 25 mg/day and quercetin 1000mg/day are administered for 7 days

Sponsors

SOUSEIKAI Fukuoka Mirai Hospital, Clinical Research Center
Lead Sponsor
Graduate School of Medical Sciences, Kyushu Umiversity
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Japanese healthy volunteers who are older than 20 and younger than 45 Volunteers who have ALDH2 *1/*1 or *2/*2

Exclusion criteria

Exclusion criteria: 1.History of cardiovascular disease 2.Severe hepatic or renal dysfunction 3.Volunteers who received other clinical study drug within 30 days 4.Woman who is pregnant or possibly be pregnant 5.History of severe allergy or allergic reaction to the drugs which are used in the present study 6.History of heart disease, glaucoma, peptic ulcer and aspirin-induced asthma 7.volunteers who have smoking habit 3 months before the start of this study 8.On medical treatment (exclude NSAIDs and sleeping pills taken as needed) 9.On medical treatment of phosphodiesterase 5 or agents with guanylate cyclase stimulating effect 10.systolic blood pressure<90 mmHg 11.Body weight <40 kg or >90 kg 12.Not appropriate to this study by other reasons

Design outcomes

Primary

MeasureTime frame
Relation between ALDH2 polymorphisms and the values of flow-mediated dilation, and oxidative stress (malondialdehyde).

Secondary

MeasureTime frame
Relation between ALDH2 polymorphisms and blood pressure, pulse rate. Relation between ALDH2 polymorphisms and the rate of adverse events.

Countries

Japan

Contacts

Public ContactTatsuya Yoshihara

SOUSEIKAI Fukuoka Mirai Hospital Clinical Research Center

tatsuya-yoshihara@lta-med.com092-662-3608

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026