Please assess the completion status of the following clinical trial:

Trial Title: Study to Evaluate the Safety and Preliminary Efficacy of IDCT, a Treatment for Symptomatic Lumbar Intervertebral Disc Degeneration

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria: The subject must have:~1. Diagnosis of early to moderate degenerative disc disease (DDD), Modified Pfirrmann Grade 3-7.~2. Chronic low-back pain for at least 6 months prior to screening; unresponsive to at least 3 months of conservative care.~3. Low-back pain of 40 to 90 mm on the VAS and ODI score of 30 to 90.~Exclusion Criteria: The subject is excluded if he/she has:~1. Symptomatic involvement of more than one lumbar disc.~2. Other persistent pain/nerve issues including, for example, radiculopathy, leg pain, cauda equine syndrome, etc.~3. Fracture of the spine, previous lumbar spine surgery or previous treatment of the target disc.~4. Evidence of dynamic instability on lumbar flexion-extension radiographs.~5. Grade 2 or higher spondylolisthesis at the target disc, lumbar spondylitis or other undifferentiated spondyloarthropathy, or Type III Modic changes around the target disc.~6. Clinical suspicion of a full thickness annular tear at the target disc or other abnormal disc morphology.~7. Clinical suspicion of facet pain as primary pain generator.~8. Subjects who test positive for communicable disease, have significant systemic disease, or are prone to infection.~9. Patients who are deemed unsuitable for clinical study participation by the investigator.

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

Study Arms:
- High Dose IDCT (Type: EXPERIMENTAL): Single intradiscal injection with High Dose IDCT (9M cells).
- Low Dose IDCT (Type: EXPERIMENTAL): Single intradiscal injection with Low Dose IDCT (3M cells).
- Saline (Type: PLACEBO_COMPARATOR): Single intradiscal injection with saline solution.
- Sodium Hyaluronate Vehicle (Type: PLACEBO_COMPARATOR): Single intradiscal injection with Sodium Hyaluronate Vehicle.

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