Low pH gel intranasal sprays inactivate influenza viruses in vitro and protect ferrets against influenza infection

Table 1 Composition of formulations tested in solution tests and in vivo influenza model

Formulation tested	Code	Solution test	in vivo model
PCA/ascorbic acid/phytic acid	PAP	x^a
PCA/ascorbic acid/zinc acetate dihydrate	PAZ	x^a
PCA/citric acid/phytic acid	PCP	x^a	x^a
PCA/ascorbic acid/phytic acid/Carbopol 980	PAPC		x^a
PCA/ascorbic acid/zinc acetate/Carbopol 980	PAZC		x^a
PCA/citric acid/phytic acid/Carbopol 980	PCPC		x^a
PCA/succinic acid/zinc acetate/HPMC	PSZH	x^b

ISSN: 1465-993X