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No room for pain: A prospective study showing effective and nearly pain-free treatment of actinic keratosis with simulated daylight photodynamic therapy (SDL-PDT) using the IndoorLux® System in combination with BF-200 ALA (Ameluz®)
Open accessAbstract
BACKGROUND: Photodynamic therapy (PDT) with natural daylight is effective and less painful than conventional PDT when treating actinic keratosis (AK), however its weather dependency is restrictive. This prospective open-label observational single-arm study examined efficacy and safety of simulated daylight (SDL)-PDT using the IndoorLux® system in combination with 5-aminolevulinic acid gel (BF-200 ALA). METHODS: 12 patients with mild/moderate AK on the face or scalp received two SDL-PDTs. BF-200 ALA was applied prior to a 2 h illumination with the IndoorLux® System. Patients evaluated pain during and after SDL-PDT on visual analogue scales (VAS). Primary endpoint was lesion count reduction three months after the second SDL-PDT. Secondary endpoint was pain during and after illumination. RESULTS: Median individual clearance rate was 83.75% (66.7-100.0%); 33.3% of the patients and 84.9% of the lesions were completely cleared. Median size of the remaining partially cleared lesions decreased by 42.9%. The first SDL-PDT was pain-free for 7 patients (58.3%, VAS=0). Median VAS during and after the first treatment was 0 (0.0-0.3). For the second SDL-PDT, median VAS was 0.1 (0.0-5.5, during) and 0 (0.0-4.5, after). Both SDL-PDTs were pain-free for 6 patients. CONCLUSION: SDL-PDT was effective and nearly pain-free, emphasizing its advantages and potential for common practice.
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In a recent clinical study, BF-200 ALA-PDT using the IndoorLux system, a simulated daylight source, completely cleared about 85% of lesions in AK patients with virtually no pain.
“In a recent clinical study, BF-200 ALA-PDT using the IndoorLux system, a simulated daylight source, was shown to be able to completely clear about 85% of lesions in AK patients with virtually no pain [73].”
From 5-Aminolevulinic Acid as a Theranostic Agent for Tumor Fluorescence Imaging and Photodynamic Therapy (2023) · cites this paper as [73]
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Metadata
- Authors
- Bai-Habelski, J. C., Medrano, K., Palacio, A., & Reinhold, U.
- Venue
- Photodiagnosis and Photodynamic Therapy
- Publisher
- Elsevier BV
- Published
- 2022-03
- Volume
- 37
- Pages
- 102692
- ISSN
- 1572-1000 (ISSN-L)
- OpenAlex
- W4200233290
- Cited by
- 20
- References
- 18
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 6 · 2023: 5 · 2022: 3
- FWCI
- 2.53
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Photodiagnosis and Photodynamic Therapy (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Dermatology › Nonmelanoma Skin Cancer Studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Photodynamic Therapy Research Studies
- Health Sciences › Medicine › Dermatology › Skin Protection and Aging
- Keywords
- actinic keratosis, 5-aminolevulinic acid, treatment pain, lesion clearance, facial and scalp lesions
- MeSH terms
- Aminolevulinic Acid, Humans, Pain, Photochemotherapy, Prospective Studies, Scalp, Treatment Outcome, Photosensitizing Agents, Keratosis, Actinic
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