TRANSDERMAL SYSTEM FOR SIMULTANEOUS TRANSDERMAL ADMINISTRATION OF SEVERAL ACTIVE SUBSTANCES

PCT No. PCT/FR95/01696 Sec. 371 Date Jun. 11, 1997 Sec. 102(e) Date Jun. 11, 1997 PCT Filed Dec. 9, 1995 PCT Pub. No. WO96/19203 PCT Pub. Date Jun. 27, 1996A novel system for percutaneously delivering at least two active principles, consisting of at least two juxtaposed devices. The system includes (i) a first device containing a mixture of all the active principles in which at least one first active principle (A) is present in an amount enabling the effective therapeutic dose to be delivered, and at least one second active principle (B) is present in an amount smaller than the amount needed to deliver the effective therapeutic dose; and (ii) one or more additional devices each containing a single active principle (B) selected from those in the first device and provided in an amount smaller than the amount needed to deliver the effective therapeutic dose, said additional device(s) being designed to top up the amount of each of the active principles (B) in the system until the effective therapeutic dose is achieved.