A completed, industry-sponsored Phase II/III clinical trial evaluated oral liarozole dihydrochloride for the treatment of lamellar ichthyosis. Sponsored by Stiefel (a GSK company), this randomized, double-blind, placebo-controlled study assessed two dosage regimens to evaluate safety, efficacy, and therapeutic outcomes on skin scaling and hyperkeratosis. Ultimately, this late-stage evaluation provides valuable evidence regarding the utility of cytochrome P450 inhibition in managing rare keratinization disorders.
| NCT Number | Recruitment | Conditions | Sponsor/Collaborators | Start Date | Phases |
|---|---|---|---|---|---|
| NCT00282724 | COMPLETED | Ichthyosis, Lamellar |
Stiefel, a GSK Company |
2006-01 | PHASE2; PHASE3 |
(data from https://clinicaltrials.gov, updated on 2011-09-26)
Check the
Liarozole dihydrochloride
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
Mechanism and Biochemical Profile
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>).
- Liarozole dihydrochloride Solubility in DMSO
- Liarozole dihydrochloride Stock Solution
- Liarozole dihydrochloride Storage
- Liarozole dihydrochloride Stability
- Liarozole dihydrochloride Molecular Weight
- Liarozole dihydrochloride SMILES
- Liarozole dihydrochloride CAS Number
- Liarozole dihydrochloride Chemical Structure (2D and 3D)
- Liarozole dihydrochloride SDS|MSDS
Note: Technical data last updated: Sep 1, 2026.