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OpenTrials
Completed

NCT Number: NCT00800592

Sildenafil IV Bolus Study

The objective of this study is to assess the safety, tolerability and pharmacokinetics of intravenous sildenafil (10 mg) administered as a bolus injection to patients with Pulmonary Arterial Hypertension already receiving and stable on oral Revatio 20 mg TID.

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Key information

Conditions

Hypertension, Pulmonary Cardiovascular Diseases Hypertension Lung Diseases Respiratory Tract Diseases Vascular Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Pfizer Investigational Site

Brussels, 1070, Belgium

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects (≥18 years old) receiving oral Revatio 20 mg TID for PAH within the approved indication (EU Summary of Product Characteristics) for a minimum of 1-month and who, in the investigator's opinion, have demonstrated good tolerability. Subjects with PAH who are nil by mouth for any reason (eg, elective surgery or medical procedure, TPN feeding, gastrointestinal disturbance etc) may also be included in the study provided they are haemodynamically stable (see Inclusion Criterion 4) and the 6 hour period of blood pressure and pulse monitoring in the study does not interfere with any planned medical or surgical intervention.
  • Evidence of a personally signed and dated informed consent document indicating that the subject has been informed of all pertinent aspects of the study.
  • Subjects who are willing and able to comply with scheduled visits, treatment plan and study tests and procedures.

Exclusion criteria

  • Any subject receiving Revatio outside ('off-label') of the current Summary of Product Characteristics (SmPC).
  • Other severe acute or chronic medical or psychiatric condition that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the subject inappropriate for entry into this study.
  • Introduction of potent CYP 3A4 inhibitors (eg, ketoconazole, itraconazole and ritonavir) within the previous 1 month of screening.

Treatment and study plan

Sildenafil

Drug

10 mg sildenafil bolus

Primary outcomes

  1. Pharmacokinetic concentrations of plasma sildenafil and its metabolite

    Time frame: 6 hours

  2. Adverse events

    Time frame: 28 days

  3. Change in blood pressure and pulse rate from baseline (sitting and postural)

    Time frame: 6 hours

Sponsors and collaborators

Lead sponsor

Pfizer's Upjohn has merged with Mylan to form Viatris Inc.

Industry

Registry information

Official study title

An Open Single Dose Study To Assess The Safety, Tolerability And Pharmacokinetics Of An Intravenous Bolus Dose (10 Mg) Of Sildenafil In Patients With Pulmonary Arterial Hypertension (PAH).

Important dates

Study start
2008
Primary completion
2008
Study completion
2008
First posted
Dec 2, 2008
Registry last updated
Feb 1, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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