Please assess the completion status of the following clinical trial:

Trial Title: SI-6603 Versus Placebo in Patients With Lumbar Disc Herniation

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2/PHASE3
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Patients with lumbar disc herniation (L4-L5 or L5-S1) as assessed by MRI and clinical symptoms corresponding to position of the impaired nerve root~* Patients assessed as positive in the SLR test~* Patients with sciatica in either lower leg~* Patients with no improvement from pharmacotherapy or concomitant treatment with drug and nerve block~Exclusion Criteria:~* Patients who have 2 or more lumbar disc herniations as assessed by MRI~* Patients with extrusion-type or sequestration-type herniation in whom a rupture into the posterior longitudinal ligament is identified by MRI~* Patients who have received nerve block within 3 weeks before screening~* Patients who have undergone lumbar operation, chemonucleolysis, or percutaneous nucleotomy

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 70 Years
- Healthy Volunteers: f

Study Arms:
- I (Type: EXPERIMENTAL): None
- II (Type: EXPERIMENTAL): None
- III (Type: EXPERIMENTAL): None
- IV (Type: PLACEBO_COMPARATOR): None

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