Please assess the completion status of the following clinical trial:

Trial Title: Therapeutic Effect of Tacrolimus on Primary Nephrotic Syndrome in Children

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* Frequent relapse nephrotic syndrome~* steroid resistance nephrotic syndrome~Exclusion Criteria:~* secondary nephrotic syndrome~* estimated glomerular filtration rate \< 60 mL/min/1.73m2~* with active hepatitis

- Gender: ALL
- Minimum Age: None
- Maximum Age: 18 Years
- Healthy Volunteers: t

Study Arms:
- Tacrolimus (Type: EXPERIMENTAL): Tacrobell

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