CADL
Candel Therapeutics, Inc.AdV-tk (adenoviral thymidine kinase) + valacyclovir prodrug modulates HSV-TK / DNA synthesis pathway (gene therapy approach using viral TK to convert prodrug to cytotoxic metabolite) to treat Pediatric brain tumors (malignant glioma, recurrent ependymoma).
moa:Adenoviral delivery of herpes simplex virus thymidine kinase gene into tumor cells, followed by administration of valacyclovir prodrug; TK enzyme phosphorylates valacyclovir into toxic metabolites that kill dividing cells, combined with radiation therapy for enhanced antitumor effect
Phase 1, non-randomized, single-arm study enrolling 8 pediatric patients with malignant glioma or recurrent ependymoma; patients received AdV-tk gene therapy intratumorally in combination with radiation therapy followed by valacyclovir prodrug
primary endpoint:Incidence of treatment emergent adverse events (at 2 months)
Not stated in provided filing data
- Very limited enrollment (n=8) raises questions about statistical power and generalizability
- No business section text provided in filing - cannot assess company claims or risk disclosures
- No preclinical evidence summary included in filing excerpt
- No differentiation claims visible in available data - may indicate early-stage program with limited competitive positioning
- Phase 1 safety study with limited efficacy endpoints