ArticleDrug delivery2026
Cannabidiol lymphatic transport after oral administration assessed using a novel thoracic lymph duct cannulated conscious pig model.
Article in Drug delivery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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17 authors.
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Abstract
Lymphatic transport of drugs after oral administration is an important physiological process in highly lipophilic compounds, such as cannabidiol (CBD). The majority of lymphatic transport studies have been historically conducted in anesthetized rats. However, this animal model differs significantly from the humans regarding both anatomical and physiological features. The aim of this study was therefore to develop a novel animal model using pigs and to provide an interspecies comparison for the lymphatic transport of CBD. The thoracic lymph duct was cannulated via thoracotomy in three pigs and lymph and blood were sampled from conscious animals to assess the lymphatic transport parameters and basic pharmacokinetic parameters of CBD administered in two distinct drug formulations (sesame oil-based solution and nanoemulsion) using a two-period cross-over study design. The mean ± SD oral bioavailability (F) was 6.1 ± 0.9% for the oil solution and 9.2 ± 6.6% for the nanoemulsion. The relative bioavailability via lymph (F
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