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Negative / Null Result ReportMedicine

The effect of systemic isotretinoin and doxycycline therapy on hematological parameters patients with acne vulgaris.

Celik C; Celik MS · 2026 · Cutaneous and ocular toxicology

WASTE classifies this as Negative / Null Result Report · AI classification, approximate

The study found no significant effect — useful as a negative control or null benchmark for your own design.

Abstract (excerpt)

Background and objective Acne vulgaris is a chronic inflammatory skin disease frequently treated with systemic agents such as isotretinoin and doxycycline. Although these treatments are known to modulate inflammatory pathways, their…

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Metadata source: Europe PMC · DOI 10.1080/15569527.2026.2671006