Please assess the completion status of the following clinical trial:

Trial Title: Imaging Synaptic Density in Cocaine and Opiate Addiction In Vivo Using 11UCB-J PET

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: DIAGNOSTIC
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age 21-55 years;~* Voluntary, written, informed consent;~* Physically healthy by medical history, physical, neurological, ECG and laboratory examinations;~* DSM-5 criteria for Opiate Use Disorder;~* Documented evidence (by urine toxicology) of 2 weeks abstinence from cocaine and 4 weeks abstinence from opiates;~* For females, a negative serum pregnancy (HCG) test;~* Full scale and verbal IQs \> 80 (Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV)).~Exclusion Criteria:~* A history of other substance dependence (e.g., alcohol, sedative hypnotics), except for nicotine;~* A primary DSM-5 Axis I major psychiatric disorder (e.g., schizophrenia, bipolar disorder, major depression, etc.) as determined by the Structured Clinical Interview for DSM-5 (SCID-5);~* A history of significant and uncontrolled medical (e.g., cardiovascular, diabetic/metabolic) or neurological (e.g., cerebrovascular, seizures, traumatic brain injury) illness;~* A history of seizures;~* Current use of psychotropic and/or potentially psychoactive prescription medications;~* Medical contraindications to participation in a magnetic resonance (MR) imaging procedure (e.g., ferromagnetic implants/foreign bodies, claustrophobia, cardiac pacemaker, prosthetic valve, otologic implant, etc.) as recorded on the MR safety sheet;~* For females, physical or laboratory (HCG) evidence of pregnancy;~* PTT and PT/INR lab results not appropriate for arterial line placement;~* Taking anticoagulants;~* Being prescribed methadone/buprenorphine upon screening.

- Gender: ALL
- Minimum Age: 21 Years
- Maximum Age: 55 Years
- Healthy Volunteers: t

Study Arms:
- Opiate Use Disorder (OUD) (Type: OTHER): 30 subjects meeting opiate dependence criteria will receive 11UCB-J PET Scan.
- Healthy Controls (HC) (Type: OTHER): 30 healthy controls; no substance dependence or mental health issues 11UCB-J PET Scan.

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