Please assess the completion status of the following clinical trial:

Trial Title: Botulinum Toxin Type A Injection Into the Gastrocnemius Muscle for Treatment of Nocturnal Calf Cramps in Patients With Lumbar Spinal Stenosis

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

Eligibility Criteria:
Inclusion Criteria:~1. diagnosed lumbar spinal stenosis with MRI finding~2. nocturnal calf cramps symptoms at least once per week~Exclusion Criteria:~1. electrolyte disorder~2. congenital muscle disease~3. muscle cramps related medication (statins, diuretics, calcium channel blockers, anticonvulsants etc.)~4. cognitive impairments

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 80 Years
- Healthy Volunteers: f

Study Arms:
- control group (Type: ACTIVE_COMPARATOR): None
- botox group (Type: EXPERIMENTAL): None

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