This is an open-label, follow-on phase 1 study to assess the long-term safety and tolerability of continuous i.c.v administration of sNN0029 infusion solution in patients with ALS.~Eighteen patients who previously participated in study sNN0029-003 will receive continuous administration of 4 μg sNN0029/day via i.c.v. infusion with the Medtronic SynchroMed® II Infusion System. The sNN0029 infusion solution is intended to be an add-on treatment to other treatments for ALS.~The assessments performed at the last visit in study sNN0029-003 will serve as the baseline values for patients included in study sNN0029-004 and be the start of sNN0029 treatment for all patients (Study Day 1; Visit 1). In order to not reveal the blind in study sNN0029-003, the patients will return to hospital on Day 3 and stay to Day 6 (Visit 2). During these days, the sNN0029 begins to exit the i.c.v. catheter tip in the ventricle of the brain.~Patients will return to the hospital on Day 11 (Visit 3) for a refill of sNN0029 and adjustment of the infusion pump flow rate. After this, the patient will return to the clinic on Day 39 (Visit 4) for a sNN0029-refill of infusion pump and assessments. Thereafter the patients will visit the hospital on a monthly basis (every 28 days ± 2) to perform refills and make assessments every 3 months.~Treatment in study sNN0029-004 may continue unless safety concerns warrant discontinuation of therapy, until patients choose to withdraw from the study, experience treatment related toxicity or intolerance, are deemed to be unsuitable to continue treatment by the investigator, or die
This is an open-label, follow-on phase 1 study to assess the long-term safety and tolerability of continuous i.c.v administration of 4 μg sNN0029/day in patients with ALS who previously participated in study sNN0029-003