Cyclosporine (Modified) Gengraf capsules should be stored at room temp. Is there any potentially harmful effect on the caps if I shipped a supply cross-country via FedEx Ground (time in transit was one week), and temps probably dropped into the 40s for durations ranging from a few hours to a couple of days? harmful effect on the caps if I shipped a supply cross-country via FedEx Ground (time in transit was one week), and temps probably dropped into the 40s for durations ranging from a few hours to a couple of days?