Please assess the completion status of the following clinical trial:

Trial Title: Effect of Nalbuphine and Naloxone on Experimentally Induced Skin Sensitivity

Study Design Characteristics:
- Allocation: NON_RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: DOUBLE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Age 18 - 40~* In stable health~* Speak, read, understand English language~* If female, must be non-lactating and not pregnant~Exclusion Criteria:~* Heat pain detection thresholds above 47 ºC/116.6 ºF~* Inability to develop secondary hyperalgesia from the heat and capsaicin stimulation performed at the screening visit~* Serious psychiatric psychopathology (psychotic disorder, substance abuse)~* Tattoos in the area of measurements~* Allergy to study drugs (nalbuphine, naloxone, or capsaicin)~* Current or recent use opioids

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 40 Years
- Healthy Volunteers: t

Study Arms:
- Women (Type: EXPERIMENTAL): Both arms of this study will receive identical interventions. The only difference will be the sex of the participants in each study arm.
- Men (Type: EXPERIMENTAL): Both arms of this study will receive identical interventions. The only difference will be the sex of the participants in each study arm

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