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An Exploratory Phase 2 Study (Multicentre, Randomized, Placebo-Controlled, Double-Blind) Evaluating Efficacy and Safety of Ferric Maltol (ST10) in Pulmonary Arterial Hypertension

An Exploratory Phase 2 Study (Multicentre, Randomized, Placebo-Controlled, Double-Blind) Evaluating Efficacy and Safety of Ferric Maltol (ST10) in Pulmonary Arterial Hypertension

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT2071250097
Enrollment
26
Registered
2025-12-01
Start date
2025-12-01
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

pulmonary arterial hypertension

Interventions

One capsule of ST10 30 mg or placebo 30 mg is taken orally twice a day, and the capsule should be taken with an appropriate amount of water if possible.

Sponsors

Kobayashi Yuichi
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: - Patients with PAH who meet any of the following criteria of the Guidelines for Pulmonary Thromboembolism, Deep Venous Thrombosis, and Pulmonary Hypertension (2025 Revised Edition) 1) Idiopathic pulmonary arterial hypertension (IPAH) 2) Hereditary pulmonary arterial hypertension (HPAH) 3) Drug- or poison-induced pulmonary arterial hypertension (DPAH) 4) PAH associated with the following diseases (a) Connective-tissue disease (b) Simple congenital systemic circulation-pulmonary circulation shunt (however, more than 1 year must have elapsed after surgical operation) - Patients with PAH who meet any of the following criteria 1) Patients who have a history of taking one or more oral iron preparations and who had an inadequate response or did not tolerate the iron preparations 2) Patients for whom administration of any oral iron preparations is considered inappropriate - Patients with the following hemoglobin (Hb) levels when measured during screening: 1) Females: Hb >= 8.0 g/dL and Hb = 8.0 g/dL and Hb = 50 m and < 440 m - Patients with stable PAH symptoms

Exclusion criteria

Exclusion criteria: - Patients with anemia of causes other than iron deficiency - Patients with comorbidities with significant active bleeding that may contribute to the onset or persistence of anemia

Design outcomes

Primary

MeasureTime frame
Change from baseline in six-minute walk distance (6MWD) after 12 weeks of treatment

Secondary

MeasureTime frame
- Change from baseline in WHO functional class after 12 weeks of treatment - Change from baseline in NT-proBNP levels after 12 weeks of treatment - Changes from baseline in pulmonary hemodynamics at rest after 12 weeks of treatment - Changes from baseline in echocardiography at 12 weeks after treatment

Contacts

Public ContactYuichi Kobayashi

Medleap Pharma Co. Ltd.

Kobayashi_Yuuichi01@vitalnet.co.jp+81-22-341-0722

Outcome results

None listed

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