Please assess the completion status of the following clinical trial:

Trial Title: Does Thiamine Help Vomiting and Nausea in Pregnancy?

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE3
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Pregnant women until 12th week of gestation~* The women visit the ER because of nausea and vomiting~* The women didn't received thiamine yet~Exclusion Criteria:~* Pregnant women over 12th week of gestation~* Women that received thiamine before~* women that allergic to the studied drugs

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- 1. thiamine (Type: ACTIVE_COMPARATOR): Pregnant women until 12 week of gestation who refer to the ER because of nausea and vomiting and didn't improve after hydration, will receive thiamine IV
- 2. promethazine (Type: ACTIVE_COMPARATOR): Pregnant women until 12 week of gestation who refer to the ER because of nausea and vomiting and didn't improve after hydration, will receive promethazine IV

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