Clinical Trials

Multiple clinical trials spanning Phase 1 through Phase 4 evaluate ciclopirox across superficial fungal dermatoses—including onychomycosis, tinea pedis, tinea capitis, and dermatomycoses—and systemic diseases such as hematologic malignancies, vulvar cancer, and congenital erythropoietic porphyria. Sponsored by academic centers and pharmaceutical entities including University Health Network Toronto, Galderma R&D, Atlas Molecular Pharma, and Ferrer Internacional S.A., these protocols exhibit recruitment statuses that include completed, recruiting, terminated, and withdrawn.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT07024316 RECRUITING
Congenital Erythropoietic Porphyria (CEP)
Atlas Molecular Pharma
2026-01-29 PHASE1; PHASE2
NCT05647343 COMPLETED
Adverse Effect of Drugs and Medicaments in Therapeutic Use
Atlas Molecular Pharma
2023-03-31 PHASE1
NCT05809297 UNKNOWN
Onychomycosis
Universidad Complutense de Madrid
2023-09-01 PHASE4
NCT02866032 COMPLETED
Distal Subungual Onychomycosis
Moberg Pharma AB
2016-09 PHASE3
NCT02961634 UNKNOWN
Onychomycosis
MIP Brasil Indústria e Comércio de Produtos Farmacêuticos LTDA
2017-04 PHASE3
NCT02679911 COMPLETED
Foot Dermatoses
Galderma R&D
2015-09 PHASE4
NCT00990587 COMPLETED
Hematologic Malignancy; Acute Lymphocytic Leukemia; Chronic Lymphocytic Leukemia; Myelodysplasia; Acute Myeloid Leukemia; Chronic Myelogenous Leukemia; Hodgkin's Disease
University Health Network, Toronto
2009-10 PHASE1
NCT01139749 UNKNOWN
Seborrhea; Seborrheic Dermatitis; Quality of Life
Federal University of São Paulo
2011-10 PHASE4
NCT01646580 TERMINATED
Dermatomycoses
Ferrer Internacional S.A.
2008-10 PHASE4
NCT01014637 UNKNOWN
Onychomycosis
Pierre Fabre Dermo Cosmetique
2009-08 PHASE4
NCT00990587 Completed
Hematologic Malignancy|Acute Lymphocytic Leukemia|Chronic Lymphocytic Leukemia|Myelodysplasia|Acute Myeloid Leukemia|Chronic Myelogenous Leukemia|Hodgkin''s Disease
University Health Network Toronto|The Leukemia and Lymphoma Society
2009-10 Phase 1
NCT01646580 Terminated
Dermatomycoses
Ferrer Internacional S.A.
2008-10 Phase 4
NCT00127868 COMPLETED
Tinea Capitis
Chen, Catherine, M.D.
2005-03
NCT01419847 COMPLETED
Onychomycosis
Rady Children's Hospital, San Diego
2002-03 PHASE4
NCT00804193 COMPLETED
Tinea Pedis
Padagis LLC
2004-06
NCT00802672 COMPLETED
Tinea Pedis
Padagis LLC
2003-12 PHASE3
NCT00382330 WITHDRAWN
Vulvar Cancer
University of Medicine and Dentistry of New Jersey

(data from https://clinicaltrials.gov, updated on 2026-03-24)

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

Compliance for Clinical Use

Mechanism and Biochemical Profile

Ciclopirox functions as a synthetic iron chelator that disrupts the Na+/K+ ATPase membrane transfer system and inhibits critical iron-dependent cellular enzymes. This disruption impairs intracellular transport, DNA repair mechanisms, and mitotic spindle stability, leading to impaired cell division and clinical efficacy against fungal dermatoses such as onychomycosis as well as hematologic malignancies.

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.