Con­cert’s ini­tial alope­cia da­ta fall short against Pfiz­er, prompt­ing in­vestor blow back

An in­ter­im analy­sis of mid-stage da­ta on Con­cert Phar­ma­ceu­ti­cals’ $CNCE JAK in­hibitor for alope­cia may have thinned its po­ten­tial against Pfiz­er’s $PFE ri­val drugs in de­vel­op­ment.

On Mon­day, Con­cert re­port­ed the 8 mg dose of CTP-543 — its mod­i­fied ver­sion of In­cyte’s $IN­CY Jakafi — had brought about a ≥ 50% rel­a­tive re­duc­tion on the Sever­i­ty of Alope­cia Tool (SALT) score ver­sus place­bo (p <0.001) in 47% of pa­tients with mod­er­ate-to-se­vere alope­cia area­ta at 24 weeks, there­by meet­ing the main goal of the Phase IIa study. Sig­nif­i­cant dif­fer­ences against the place­bo were ob­served at week 12 and hair re­growth did not ap­pear to plateau at week 24, the Lex­ing­ton, Mass­a­chu­setts-based com­pa­ny said.

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