Waiting for another drug is kind of risky, you have no idea how long it could take for them to even hit the market, and to my knowledge there isn't anything on the horizon. The side effects are quite rare and if you notice them you can stop the medication and you should return to normal within a few weeks. Rogaine is the only other medication out there, but I've seen better results with propecia. There is also vitamins and supplements like biotin, saw palmetto but again I've seen much better results with the medication, as well as rogaine. It would be a shame if your hair loss continued to recede in the hope that something else comes out, and for all that we know could have side effects as well. Cloning and a cure for hair loss is nowhere near fruition.