Please assess the completion status of the following clinical trial:

Trial Title: PEI REGIMEN: A Therapeutic Option in Small Cell Lung Cancer? A Monoinstitutional Experience of 46 Consecutive Cases

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* histologically or cytologically proven SCLC~* measurable disease defined by RECIST criteria~Exclusion Criteria:

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: f

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