Please assess the completion status of the following clinical trial:

Trial Title: A Study To Assess the Safety and Effects of OnabotulinumtoxinA (BOTOX) Intramuscular Injection in Adult Participants With Moderate to Severe Platysma Prominence

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

Eligibility Criteria:
Inclusion Criteria:~* Participants must voluntarily sign and date an informed consent, approved by an independent ethics committee (IEC)/institutional review board (IRB), prior to the initiation of any screening or study specific procedures~* Are willing and able to comply with procedures required in the protocol~* Adult male or female, at least 18 years old at the time of signing the informed consent~* Good health as determined by medical history, physical examination, vital signs, and investigator's judgment~Exclusion Criteria:~* Any medical condition that may put the participant at increased medical risk with exposure to BOTOX, including diagnosed myasthenia gravis, Eaton-Lambert syndrome, amyotrophic lateral sclerosis, or any other condition that might interfere with neuromuscular function~* Participant has an anticipated need for treatment with botulinum toxin of any serotype for any indication during the study (other than study intervention)~* Anticipated need for surgery or overnight hospitalization during the study~* Females who are pregnant or breastfeeding and are considering becoming pregnant or donating eggs during the study~* Known immunization or hypersensitivity to any botulinum toxin serotype~* History of clinically significant (per investigator's judgment) drug or alcohol abuse within the last 6 months~* Lower facial and neck hair, scarring (e.g., acne), or other abnormal variations that may interfere with photography (such that photograph is not acceptable)~* Tattoos, jewelry, or clothing that cannot be removed, and that obscure the target area of interest

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

Study Arms:
- BOTOX (Type: EXPERIMENTAL): BOTOX (OnabotulinumtoxinA) was injected into the platysma muscle on Day 1
- Placebo (Type: PLACEBO_COMPARATOR): Placebo will be injected into the platysma muscle on Day 1

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