Evaluating a new drug for pulmonary arterial hypertension

A Randomized, Double-blind, Placebo-controlled Clinical Trial to Evaluate the Efficacy and Safety of Oxacom® in Different Dosages in Patients With Pulmonary Arterial Hypertension

PHASE2; PHASE3 · National Medical Research Center for Cardiology, Ministry of Health of Russian Federation · NCT06683040

This study is testing a new drug called Oxacom® to see if it can help adults with pulmonary arterial hypertension feel better compared to a placebo.

Quick facts

PhasePHASE2; PHASE3
Study typeInterventional
Enrollment260 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorNational Medical Research Center for Cardiology, Ministry of Health of Russian Federation (other gov)
Locations1 site (Moscow)
Trial IDNCT06683040 on ClinicalTrials.gov

What this trial studies

This clinical trial is a multicenter, randomized, double-blind, placebo-controlled study designed to assess the efficacy and safety of Oxacom® in adult patients diagnosed with pulmonary arterial hypertension (PAH). The trial will involve 200 participants who will receive either the study drug or a placebo in varying dosages over a seven-day period. The study will be conducted in two stages, with a focus on patients who have not previously received PAH-specific therapy or have been on stable doses of certain treatments for at least three months. The trial will utilize a blinded approach to ensure unbiased results.

Who should consider this trial

Good fit: Ideal candidates for this study are adults with a confirmed diagnosis of PAH functional class II or III who can perform a 6-minute walking test.

Not a fit: Patients with advanced PAH or those who have previously received PAH-specific therapies may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new treatment option for patients suffering from pulmonary arterial hypertension.

How similar studies have performed: Other studies have shown promise in evaluating new treatments for PAH, but the specific approach of this trial with Oxacom® is novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Confirmed diagnosis of PAH II or III functional class according to WHO classification
* Symptomatic PAH group 1 according to clinical classification
* Patients who have not previously received any PAH-specific therapy OR patients who have received endothelin receptor antagonists and/or iloprost/selexipag at stable doses for at least 3 months prior to the initial right heart catheterization.
* Ability to perform reproducible 6-min walking test at the screening with a distance from 150 to 450 m.

Exclusion Criteria:

* as per the study protocol

Where this trial is running

Moscow

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Pulmonary Arterial Hypertension, Oxaсom, New Russian drug

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.