hexaminolevulinate hexaminolevulinate hexaminolevulinate, sold under the brand names cysview and hexvix, is an imaging agent that lights up under blue light during a blue light cystoscopy. it is used to help detect non-muscle invasive bladder cancer (nmibc), in particular papillary tumors and carcinoma in situ (cis). hexaminolevulinateclinical datatrade namescysview, hexvixlicense data us dailymed: hexaminolevulinate atc codev04cx06 (who) legal statuslegal status au: s4 (prescription only) us: ℞-only identifierscas number140898-97-1pubchem cid6433083drugbankdb06261chemspider4938272uniig7h20tki67keggd04436chebichebi:134892chemblchembl1201784comptox dashboard (epa)dtxsid40161487 it made by photocure asa, a norwegian pharmaceutical company. hexaminolevulinate is a structural analogue to 5-aminolevulinic acid (a precursor to the porphyrin ring of heme), and is internalized and processed into the photoactive protoporphyrin ix at a high rate by tumor cells. after exposure to 360-450 nm light, the porphyrin will fluoresce red.