Clinical Trials

Multiple clinical trials evaluate terbinafine across Phase 1 through Phase 3 development, encompassing both completed and actively recruiting studies. Sponsored by academic institutions, military hospital networks, and biotechnology firms, these trials primarily target superficial fungal conditions such as onychomycosis, distal subungual nail infections, and dermatophyte skin infections, alongside antiviral indications like chronic hepatitis B. Specific investigations compare continuous dosing against alternative antifungals or evaluate novel topical and iontophoretic delivery systems.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT06295328 Recruiting
Chronic Hepatitis b
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
2022-04-13 Phase 1|Phase 2
NCT05578950 Completed
Onychomycosis
Combined Military Hospital Abbottabad
2022-03-01 Phase 1
NCT04880980 Completed
Dermatophyte Infection|Terbinafine Adverse Reaction|Itraconazole Adverse Reaction
Pak Emirates Military Hospital
2021-03-15 Phase 3
NCT04188574 Completed
Distal Subungual Onychomycosis|Fungal Infection|Fungus Nail
Blueberry Therapeutics|IQVIA Biotech
2021-03-22 Phase 2
NCT01484145 Completed
Onychomycosis
Nitric BioTherapeutics Inc
2011-12 Phase 2

(data from https://clinicaltrials.gov, updated on 2024-05-22)

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

Compliance for Clinical Use

Mechanism and Biochemical Profile

Terbinafine hydrochloride selectively inhibits squalene epoxidase, an essential enzyme in the fungal membrane synthesis pathway, thereby preventing the conversion of squalene to lanosterol and impairing ergosterol biosynthesis. This targeted biochemical block disrupts fungal cell membrane integrity and permeability, ultimately leading to intracellular squalene accumulation and fungal cell lysis to support therapeutic efficacy against dermatophyte infections and onychomycosis evaluated in clinical studies.

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.