Please assess the completion status of the following clinical trial:

Trial Title: Carbon Dioxide (Carbogen) for the Treatment of Febrile Seizures

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE2/PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* condition after febrile seizure~* age 12 months to 5 years~* written informed consent~Exclusion Criteria:~* severe other organic disease~* meningitis as possible cause for the cerebral seizure~* neurologic disease or cerebral dysplasia~* cerebrale seizures without fever in the medical history~* hypersynchronic eeg activity~* disorder of the respiratory tract (Asthma e.g.)

- Gender: ALL
- Minimum Age: 12 Months
- Maximum Age: 5 Years
- Healthy Volunteers: f

Study Arms:
- Verum (Type: EXPERIMENTAL): Verum arm receiving Carbogen
- Placebo (Type: PLACEBO_COMPARATOR): Placebo arm receiving oxygen

Based on this trial design, predict the completion outcome and termination type (if applicable).