Please assess the completion status of the following clinical trial:

Trial Title: Nabilone in Cannabis Users With PTSD

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: DOUBLE
- Phase: PHASE1/PHASE2
- Number of Arms: 4.0

Eligibility Criteria:
Inclusion Criteria:~* Current cannabis use~* PTSD symptoms~* Able to give informed consent and comply with study procedures~* Women who are normally cycling and practicing an effective form of birth control other than hormonal contraceptives~Exclusion Criteria:~* Meeting criteria for certain current psychiatric disorders~* Clinical laboratory tests outside of normal limits~* History of clinically significant cardiac or respiratory diagnoses~* Current parole or probation~* Women who are currently pregnant or breastfeeding

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: 45 Years
- Healthy Volunteers: f

Study Arms:
- Nabilone (Type: EXPERIMENTAL): Nabilone capsules (4 mg)
- Propranolol (Type: ACTIVE_COMPARATOR): Propranolol capsules (40mg)
- Smoked cannabis (Type: EXPERIMENTAL): (0.0 and 5.6% THC)
- Placebo (Type: PLACEBO_COMPARATOR): Placebo capsules

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