Please assess the completion status of the following clinical trial:

Trial Title: Safety and Effectiveness of Botulinum Toxin in Elderly Patients With Dementia and Muscle Stiffness

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE2
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Severe cognitive impairment (complete dependency in all activities of daily living (ADLs)~* Diagnosis of Alzheimer's disease, vascular dementia,or frontotemporal dementia~* Score\> 3 on the paratonic assessment instrument, with paratonic rigidity in an arm(s) interfering in the provision of care~Exclusion Criteria:~* Alternate etiologies for increased tone~* Botulinum toxin 6 months preceding the study

- Gender: ALL
- Minimum Age: None
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- Saline (Type: PLACEBO_COMPARATOR): Saline injection up to 5 cc in arm with paratonia (one time injection)
- Botulinum Toxin (Type: ACTIVE_COMPARATOR): Up to 300 U (5 cc) of Botulinum toxin diluted 2:1 (2 cc per 100 U of Botulinum toxin) (one time injection)

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