Patent ID: 11872320
Assignee: HISAMITSU PHARMACEUTICAL CO., INC.
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 33:
34. A method for treating osteoarthritis, the method comprising: a step of administering a patch to a patient,
wherein the patch comprises a backing layer and an adhesive layer laminated on the backing layer,
wherein the adhesive layer comprises an adhesive base, diclofenac sodium, dimethyl sulfoxide, and one or more organic acids,
wherein a content of the organic acid is 6 mass % to 8 mass % with respect to a total mass of the adhesive layer,
wherein the patch is applied to an affected part of the patient once a day,
wherein a dose of diclofenac sodium per administration is 70 mg to 150 mg, and
wherein the patch comprises liquid paraffin in the adhesive layer, and wherein the patch shows an amount of diclofenac released of 13 mg to 16 mg during a single dose and a release rate of diclofenac of 8.6% to 10.7%.