Please assess the completion status of the following clinical trial:

Trial Title: Morphine Modulation of The Brain's Pain Matrix

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: CROSSOVER
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: QUADRUPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. Signed and dated Written informed consent~2. Age between 20 and 65.~3. Caucasian~4. That it is in the researcher's belief that the subject fully understand the contents of the study and is willing and able to comply with instructions, have the opportunity to meet with visitors, and is expected to complete the entire study. Further, it is in the researcher's beliefs (by which demanded strict action to exclusion criterion 4 and 5) that subjects with abusive tendencies are not included .~5. The person must be healthy ie. without previous chronic or recurrent pain rewarding diseases. Including the person must have:~   1. a blood pressure is 140/90 or less. If not satisfied, a medical assessment to determine whether the person is still included, albeit with a comment and reasons recorded in the CRF.~  2. a resting heart rate of at least 45 bpm. minute (measured after 5 minutes of recumbent rest). If not satisfied, a medical assessment to determine whether the person is still included, albeit with a comment and reasons recorded in the CRF.~6. That women use safe contraceptive methods as the pill, coil, depot injection of progestin subdermal implantation, hormonal vaginal ring and transdermal patch.~7. Negative pregnancy test prior to the conclusion of the experiment~Exclusion Criteria:~1. Pregnancy.~2. Known allergy to study medication~3. Current or previous participation in another drug trial within 30 days before screening.~4. Former participation in trials when given morphine or morphine-like substances.~5. Former addiction behaviors defined as abuse of alcohol, marijuana, opiates or other narcotics or family members who have been / are a drug addict.~6. Earlier pain rewarding or mental illness.~7. Expected need for medical treatment, surgery or hospitalization during the study~8. Concomitant use of strong pain medications~9. Use of any analgesics 24 hours before each test.

- Gender: ALL
- Minimum Age: 20 Years
- Maximum Age: 65 Years
- Healthy Volunteers: t

Study Arms:
- Morphine (Type: EXPERIMENTAL): None
- Placebo (Type: PLACEBO_COMPARATOR): None

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