Analysis of Sildenafil Blood level

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20230518001

Enrollment

Registered

2023-05-18

Start date

2023-07-14

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

No method to measure sildenafil level from plasma in Srinagarind and Queen Sirikit Heart Center of the Northeast Sildenafil level, Pulmonary hypertension, HPLC

Interventions

Patients who diagnosed pulmonary hypertension

Health Services Research

Pulmonary hypertension

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Pulmonary hypertension patients with aged >18 years old

Exclusion criteria

Exclusion criteria: patients with co-medication which indicated as strong CYP3A4 and 3A5 inhibitors or inducers

Design outcomes

Primary

Measure	Time frame
Sildenafil Blood level 3 months High Performance Liquid Chromatogram	—

Secondary

Measure	Time frame
N/A N/A N/A	—

Countries

Thailand

Contacts

Public ContactPranisa Wongwien

Faculty of Medicine, Khon Kaen University

pranisa.w@kkumail.com0839155113

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026