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A clinical trial to assess the efficacy and safety of L-arginine inhalation in treatment of secondary pulmonary hypertension & associated diseases

Multi center comparative phase-2 clinical trial to assess the efficacy and safety of L-arginine inhalation in treatment of secondary pulmonary hypertension & associated diseases

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2010/091/001388
Enrollment
113
Registered
2010-11-09
Start date
Unknown
Completion date
Unknown
Last updated
2021-11-24

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

Conditions

None listed

Interventions

Intervention1: 1.25% L-arginine in 30% alcohol-saline respiratory fluid: The test formulation is to be inhaled using INMAS spacer 3-4 times a day for 3-7 days or as directed by the investigator Contro

Sponsors

Defence R&D Organisation
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: a) Healthy volunteers 1. Healthy Males/females, between 18-45 years ages group 2. On no permanent treatment 3. Suffering from no permanent / recurrent / chronic disease or disability b) Diseased subjects 1. Worked up adult patients with pulmonary hypertension with associated mild or moderate asthma or COPD or ILD or with hypoxemia at high altitude 2. Age group: 18-65 years 3. Ambulatory, preferably admitted patients for better follow up 4. Non-critically ill patients.

Exclusion criteria

Exclusion criteria: a) Healthy volunteers 1. Those who do not sign the ICF 2. Those who refuse to abide by the rules/briefing 3. Those who have had any medical condition which in the judgement of the investigator may render them inappropriate for participation in the trial. 4. Patients who have received any other investigational drug for the last 1 month. 5. Too low or too high body weight (< 40 kg, > 100 kg). b) Diseased subjects 1. Patients with prior hypersensitivity to arginine 2. Patients who are unwilling to give informed consent. 3. Patients receiving oral or systemic arginine or other nitric acid donors or known to have increased indigenous nitric oxide production within 4 weeks of the start of the study. 4. Patients with history of attack of ?Status Asthmaticus? within 6 months prior to enrollment or having severe dyspnoea. 5. Patients on continuous oxygen 6. Volunteers with serious or critical illness. 7. Patients who are pregnant, lactating or women of child bearing potential not using medically accepted methods of contraception. 8. Patients with clinically significant renal, respiratory (other than those mentioned), cardiac (including rheumatic or congenital heart disease), gastrointestinal, hepatic, endocrine or hematological disorders. 9. Athletes on unknown nutraceutials. 10. Patients who have any medical condition which in the judgement of the investigator may render them in appropriate for participation in the trial. 11. Patients who have received any other investigational drug for the last 1 month.

Design outcomes

Primary

MeasureTime frame
1. To evaluate the effect of short-term treatment with L-Arginine in ethanol nebulization in pulmonary hypertension of different causes 2. To evaluate the effect of short-term treatment with L-Arginine in ethanol nebulization on hypoxemia, PFT and in improvement of cardiopulmonary performance Timepoint: NIL

Secondary

MeasureTime frame
1. To evaluate the effect of treatment with study medication on pulse oximetry, exercise performance, patient acceptance 2. To evaluate the safety and tolerability of study medication 3. To generate further pharmacokinetic data of the drug and peak methemoglobin formation. 4. To evaluate the physicians and patients overall assessment of the effectiveness and tolerability of the study medication Timepoint: NIL

Countries

India

Contacts

Public ContactAseem Bhatnagar

Institute of Nuclear Medicine & Allied Sciences, Defence R&D Organisation, Ministry of Defence

assem_bhatnagar@indiatimes.com011-23905172

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026