Company: MDCXW
Filing Date: 2025-09-19
Form Type: DRS
Source: 0001062993-25-015719
Chunk: 131

Company: Medicus Pharma Ltd.
Filing Date: 2025-09-19
Form: DRS
Chunk 131
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 showed that the D-MNA-treated animals exhibited no systemic effects and no organ toxicity. These findings are consistent with systemic exposure to doxorubicin being below the lower limit of quantitation.

Application of the D-MNAs to the minipig's skin produced several findings all related to cutaneous reactions. Test article-related macroscopic findings were present in the dose site (skin). Red discoloration of the epidermis of the dose site was identified in four animals, limited to Groups 3 and 4 (D-MNA mid and high dose, respectively). In two of the Group 4 female animals, the red discoloration correlated microscopically with serocellular crust, and additionally with dermis congestion in one of those animals. The other two animals (males) did not have a microscopic correlation. Abnormal surface (scabbing) of the epidermis of the dose site was observed in a Group 4 male animal and correlated microscopically with serocellular crust.

Hemorrhage of the right axillary region was observed in a single animal in Group 5 (intravenous Doxorubicin) and correlated microscopically to hemorrhage. It was believed to be related to blood collection or injection procedures.

Other macroscopic findings represented incidental background findings typical for this species, or else did not have a correlate.

Local cutaneous reactions were expected with application of the D-MNA to the minipig and similar reactions are likely to occur in human subjects receiving D-MNAs.

Clinical Development of D-MNA:

SkinJect Experience

Protocol SKNJCT-001 (Phase 1 Study)

Study Design: This study was designed as an open-label dose escalation trial of D-MNA in participants with BCC (subtype: superficial or nodular). The study followed a traditional 3+3 dose escalation design with 4 dose groups plus placebo to define a maximum tolerated dose ("MTD") by evaluating DLTs. Treatments consisted of one application administered weekly, three times over a two-week period. The goal of the dose escalation was to determine the MTD and assess lesion responses in the different dose groups to inform a decision on the doses to be tested in a subsequent Phase 2 study.

The study was composed of a screening visit, three treatment visits at one-week intervals over a two-week period, an end of treatment visit, and three follow-up visits. The total duration for study recruitment was completed in approximately five to seven months. Individual participant participation was approximately