(b)(4).This solicited case, reported by a consumer via a patient support program (psp), concerned a (b)(6) male patient of unknown origin.Medical history was not reported.Concomitant medications included insulin glargine for type 1 diabetes.The patient received insulin lispro (rdna origin) (humalog, 100 u/ml) through a cartridge via reusable pen humapen luxura half-dose (hd) pen with sliding scale, subcutaneously for the treatment of type 1 diabetes mellitus, beginning approximately since 2013.On an unknown date, after starting insulin lispro treatment, he had problem with his insulin lispro in his humapen luxura hd device.On (b)(6) 2017, in the morning he had an extreme high blood sugar (values were not provided).He took 10 units to try to counteract this, but, two to three hours later it still did not work to lower his blood sugar.Then at lunch he took 7 units.His cgm (glucose monitor) was setting off a lot of alarms and indicated he was having an extreme low blood sugar around 40 (units and reference ranges were not provided).He was eating everything he could and drinking everything sugary he could to finally get it from 40 up to 90.He had been using the vial for a few weeks now.It was possible that he overdosed the insulin at lunch time.He had something like this happen before when he has taken the insulin lispro and did not have a reaction (pc for cart; (b)(4), lot number unknown).Then also he said he has taken the insulin and had extreme lows (values were not provided).He had been taking insulin for 40 years so maybe it is his body.He might his skin because he has been doing this for decades.Possibly he had been using this cartridge for longer than 28 days.He said that since he had been using this glucometer that he had not needed as much insulin as before and he has not kept track of it.He could not see the control number or expiration date because he was (b)(6) and his eyesight was not that great.The blood sugar events were considered as serious due to their medical significance.Information regarding corrective treatment and outcome of the events was not reported.Therapy with insulin lispro was continued.The user of the humapen luxura hd pen was the patient and his training status was not provided.The humapen luxura hd pen general duration of use and the suspect humapen luxura hd device durations of use were not reported.The action taken with the suspect humapen luxura hd pen was not provided and was not returned to the manufacturer.The reporting consumer did not relate the events to insulin lispro drug or humapen luxura hd.Update 10jan2018: updated the medwatch /european and canadian (eu/ca) device information and device return status to not returned to manufacturer.Entered device specific safety summary (dsss).Added unique identifier number (udi) for the suspect humapen luxura hd pen of (b)(4).Corresponding fields and narrative updated accordingly.
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