Clinical Trials

Numerous clinical trials spanning all phases evaluate the therapeutic utility and safety of acitretin across conditions such as plaque psoriasis, pustular palmoplantar psoriasis, chronic hand dermatitis, primary cutaneous amyloidosis, and non-melanomatous skin cancers. Sponsored by academic medical centers, university hospitals, and specialized dermatological research organizations, these studies investigate dosing and combination regimens involving phototherapy or biologic agents. Recruitment statuses across these trials encompass completed, actively recruiting, withdrawn, and unknown categories.

NCT Number Recruitment Conditions Sponsor/Collaborators Start Date Phases
NCT04537689 RECRUITING
Plaque Psoriasis
Singapore General Hospital
2020-12-10 PHASE4
NCT04239859 NOT_YET_RECRUITING
Plaque Psoriasis
Singapore General Hospital
2024-01 PHASE4
NCT06998875 RECRUITING
Primary Cutaneous Amyloidosis
Army Medical University, China
2025-03-01 PHASE4
NCT07708480 COMPLETED
Hidradenitis Suppurativa
Hayat Abad Medical Complex, Peshawar
2024-12-22 PHASE4
NCT06739551 NOT_YET_RECRUITING
Lichen Planus
Sheikh Zayed Medical College
2024-12-10 PHASE2
NCT05184348 COMPLETED
Psoriasis Vulgaris
South Valley University
2021-09-01 PHASE1
NCT05401006 UNKNOWN
Psoriasis
South Valley University
2021-06-05 PHASE4
NCT04245319 UNKNOWN
Hyperlipidemias; Xerosis; Depression; Liver Diseases
Cairo University
2020-01-01
NCT04841187 Completed
Psoriasis
Assistance Publique - Hôpitaux de Paris|Société de Dermatologie Française
2021-09-06 --
NCT05203354 COMPLETED
Psoriasis
Mahmoud Ahmed Ali Ahmed
2018-09-01 PHASE4
NCT04245319 Unknown status
Hyperlipidemias|Xerosis|Depression|Liver Diseases
Cairo University
2020-01-01 Not Applicable
NCT03753867 WITHDRAWN
HIV Infections
Ottawa Hospital Research Institute
2019-01-07 PHASE1
NCT05203354 Completed
Psoriasis
Mahmoud Ahmed Ali Ahmed|Aswan University Hospital
2018-09-01 Phase 4
NCT02715960 UNKNOWN
Psoriasis Vulgaris
Central South University
2015-12 PHASE2
NCT00488384 WITHDRAWN
Carcinoma, Squamous Cell
Günther Hofbauer
2007-06 PHASE4
NCT02050321 TERMINATED
Malignant Melanoma
University of Arizona
2013-12 PHASE2
NCT02181790 TERMINATED
Psoriasis, Skin or Nails
Icahn School of Medicine at Mount Sinai
2014-06 PHASE4
NCT01545284 COMPLETED
Chronic Hand Dermatitis
Innovaderm Research Inc.
2012-03 PHASE2; PHASE3
NCT02191020 COMPLETED
Psoriasis
Xijing Hospital
2013-02
NCT01078168 COMPLETED
Alzheimer Disease
K. Lieb
2010-03 PHASE2
NCT01443338 UNKNOWN
Psoriasis Vulgaris
Ministry of Health, China
2011-09 PHASE4
NCT01228409 UNKNOWN
Psoriasis
Frankel, Amylynne, M.D.
2010-10 PHASE4
NCT01299220 WITHDRAWN
Skin Rash
University of Pittsburgh
2010-11 PHASE4
NCT01094717 TERMINATED
Psoriasis
University of Utah
2010-01
NCT00936065 COMPLETED
Moderate to Severe Psoriasis
Pfizer
2009-07 PHASE4
NCT00832364 WITHDRAWN
Plaque Psoriasis
Stiefel, a GSK Company
2009-10 PHASE4
NCT00811005 UNKNOWN
Pustular Palmoplantar Psoriasis
Medical University of Vienna
2008-10 PHASE3
NCT00707070 UNKNOWN
Chronic Plaque Psoriasis
Universita di Verona
2008-09 PHASE4
NCT00156247 COMPLETED
Psoriasis
University of Medicine and Dentistry of New Jersey
2005-09 PHASE2
NCT01039142 COMPLETED
Psoriasis
Post Graduate Institute of Medical Education and Research, Chandigarh
2008-03 PHASE4
NCT00395941 COMPLETED
Psoriasis
Post Graduate Institute of Medical Education and Research, Chandigarh
2006-12 PHASE2
NCT01039142 Completed
Psoriasis
Post Graduate Institute of Medical Education and Research Chandigarh|PIMERIndia
2008-03 Phase 4
NCT00488384 Withdrawn
Carcinoma Squamous Cell
Günther Hofbauer|University of Zurich
2007-06 Phase 4
NCT00723437 COMPLETED
Psoriasis
Istituti Fisioterapici Ospitalieri
2005-01 PHASE4
NCT00644384 COMPLETED
Non-melanomatous Skin Cancer
Mayo Clinic
2003-02
NCT00156247 Completed
Psoriasis
University of Medicine and Dentistry of New Jersey|Connetics Corp.|Rutgers The State University of New Jersey
2005-09 Phase 2
NCT00003611 COMPLETED
Non-melanomatous Skin Cancer
Alliance for Clinical Trials in Oncology
2000-05
NCT00002143 COMPLETED
HIV Infections; Psoriasis
Hoffmann-La Roche
PHASE3

(data from https://clinicaltrials.gov, updated on 2022-11-25)

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

Compliance for Clinical Use

Mechanism and Biochemical Profile

Acitretin binds to nuclear retinoic acid receptors to regulate gene expression pathways controlling epidermal cell kinetics, thereby normalizing keratinocyte differentiation and hyperproliferation. This modulation of epithelial turnover directly reduces scale formation and cutaneous inflammation, providing the mechanistic rationale for its clinical activity in psoriasis, chronic hand dermatitis, and related dermatoses evaluated in clinical trials.

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.