Intravaginally applicable devices comprising antiviral compounds
The present invention relates to field of intravaginally applicable devices that release antiviral compounds. In particular, the present invention relates to vaginal rings comprising a matrix releasing at least one antivirally active compound, in particular anti-herpetic compound N-[5-(aminosulfonyl)-4-methyl-1,3-thiazol-2-yl]-N-methyl-2-[4-(2-pyridinyl)-phenyl]-acetamide (in the following also referred to as “Pritelivir”) or salts thereof. The present invention therefore relates to the treatment and prevention of herpes infections.
1. A device for the intravaginal administration of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, wherein the device comprises a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
2. The device according to claim 1 , wherein the device comprises a biostable and biocompatible polymer matrix.
3. The device according to claim 2 , wherein the biostable and biocompatible polymer matrix comprises a silicone elastomer.
4. The device according to claim 1 , wherein the device comprises a biostable and biocompatible polymer matrix comprising a silicone elastomer.
5. The device according to claim 4 , wherein the device is an intravaginal ring.
6. The device according to claim 1 , wherein the device is an intravaginal ring.
7. The device according to claim 6 , wherein the device is suitable for immediate release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
8. The device according to claim 6 , wherein the device is suitable for sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
9. The device according to claim 6 , wherein the device is suitable for controlled release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
10. The device according to claim 6 , wherein the device is suitable for immediate and sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
11. The device according to claim 6 , wherein the device is suitable for immediate and controlled sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
12. The device according to claim 1 , wherein the device is suitable for immediate release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
13. The device according to claim 1 , wherein the device is suitable for sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
14. The device according to claim 1 , wherein the device is suitable for controlled release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
15. The device according to claim 1 , wherein the device is suitable for immediate and sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
16. The device according to claim 1 , wherein the device is suitable for immediate and controlled sustained release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt.
17. The device according to claim 16 , wherein the composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt provides an equivalent amount of the free base of Pritelivir which totals at least 25 mg, at least 30 mg, at least 40 mg, at least 50 mg, at least 75 mg, at least 100 mg, at least 150 mg, at least 200 mg, at least 225 mg, at least 230 mg, or at least 240 mg.
18. The device according to claim 1 , wherein the composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt provides an equivalent amount of the free base of Pritelivir which totals at least 25 mg, at least 30 mg, at least 40 mg, at least 50 mg, at least 75 mg, at least 100 mg, at least 150 mg, at least 200 mg, at least 225 mg, at least 230 mg, or at least 240 mg.
19. The device according to claim 1 , wherein the device is suitable for immediate release of the free base of Pritelivir, the Pritelivir mesylate salt or a combination of the free base of Pritelivir and the Pritelivir mesylate salt, from a composition comprising the Pritelivir mesylate salt or a composition comprising a combination of the free base of Pritelivir and the Pritelivir mesylate salt, and wherein anti-herpes simplex virus effective concentration EC50 of >0.03 μM is measured after 24 hours post-administration of the device in vaginal fluid.