Clinical Trials

Multiple clinical trials have evaluated the therapeutic potential and pharmacokinetic profile of pranlukast across Phase 1 and Phase 3 studies. Sponsored by entities including Ono Pharmaceutical Co., Ltd., SamA Pharmaceutical Co., Ltd., and Organon and Co., these completed studies evaluated clinical efficacy in upper respiratory conditions—such as chronic sinusitis and seasonal allergic rhinitis—alongside single-dose pharmacokinetics in healthy volunteers. Collectively, these investigations reflect a focused clinical evaluation of pranlukast for managing inflammatory airway disorders.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT03826485 UNKNOWN
Healthy
SamA Pharmaceutical Co., Ltd
2019-04-01 PHASE1
NCT00410735 COMPLETED
Chronic Sinusitis
Ono Pharmaceutical Co., Ltd.
2006-12 PHASE3
NCT00127647 COMPLETED
Rhinitis, Allergic, Seasonal
Organon and Co
2004-11 PHASE3

(data from https://clinicaltrials.gov, updated on 2019-02-01)

Check the Pranlukast product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Compliance for Clinical Use

Mechanism and Biochemical Profile

Pranlukast acts as a selective antagonist of cysteinyl leukotriene receptors, specifically binding to prevent downstream signaling triggered by leukotrienes C4, D4, and E4. By inhibiting leukotriene-mediated eosinophilic infiltration and vascular permeability, this receptor blockade attenuates mucosal airway inflammation, rendering it clinically relevant for treating conditions such as chronic sinusitis and seasonal allergic rhinitis.

Appendix RUO and cGMP Quality Standards

Quality Dimension RUO (Research Use Only) cGMP (Current Good Manufacturing Practice)
Clinical Applicability Prohibited in human clinical trials or medical diagnostics. Mandatory for human clinical trials (Phase I–III) and therapies.
Regulatory Status Non-regulated grade; exempt from drug manufacturing laws. Legally enforced by health authorities (e.g., FDA, EMA, NMPA).
Facility Environment Unclassified analytical or research laboratories. Validated Cleanrooms (ISO Class 5–8) with continuous monitoring.
Quality Control Basic purity and activity testing. Rigorous safety release testing (Sterility, Endotoxin, Mycoplasma).
Process Validation Basic equipment calibration; no process validation required. Full qualification (IQ/OQ/PQ) and complete batch records.
Quality Assurance Vendor self-declared without required formal QMS. Mandatory QA/QC unit, Change Control, CAPA, and vendor audits.
Regulatory Impact High risk of IND rejection if used as a critical raw material. Required for IND/NDA filings, supported by Drug Master Files (DMF).

Footnotes

Regulatory Note: Governed by FDA (21 CFR Parts 210/211/312), EMA (EudraLex Vol 4), ICH Guidelines (E6/Q7/Q9/Q10), and compendial standards (USP <71>/<85>/<1043>).

Note: Technical data last updated: Sep 1, 2026.