Pre-post Evaluation of the Safety and Efficacy of Ibogaine-Magnesium Therapy in Veterans With Repeated Blast Exposure

Inclusion Criteria:

   1. Male or female veteran, 18 to 70 years of age, inclusive, at screen.

   2. Able to read, understand, and provide written, dated informed consent prior to
   screening. Participants will be deemed likely to comply with the study protocol and
   communicate with study personnel about adverse events and other clinically important
   information.

   3. Has a history of head trauma, combat or blast exposure.

   4. Scheduled themselves for ibogaine-magnesium therapy at Nouvelle Vie in Mexico.

   5. Participants must be willing and able to travel to Stanford University before and
   after ibogaine-magnesium therapy.

   6. Capable of getting an MRI scan.

   7. Willing to be video recorded during the consenting process. (to be stored on a secure
   server, no PHI associated with video recordings)

   8. Body mass index between 17-35kg/m2.

   9. If female, a status of non-childbearing potential or use of an acceptable form of
   birth control per the following specific criteria:

      1. Non-childbearing potential (e.g., physiologically incapable of becoming pregnant,
      i.e., permanently sterilized (status post hysterectomy, bilateral tubal
      ligation), or is post-menopausal with her last menses at least one year prior to
      screening); or

      2. Childbearing potential, and meets the following criteria:

   i. Childbearing potential, including women using any form of hormonal birth control,
   on hormone replacement therapy started prior to 12 months of amenorrhea, using an
   intrauterine device (IUD), having a monogamous relationship with a partner who has had
   a vasectomy, or is sexually abstinent.

   ii. Negative urinary pregnancy test at screening, confirmed by a negative urinary
   pregnancy test at randomization prior to receiving study treatment.

   iii. Willing and able to continuously use one of the following methods of birth
   control during the course of the study, defined as those which result in a low failure
   rate (i.e., less than 1% per year) when used consistently and correctly: implants,
   injectable or patch hormonal contraception, oral contraceptives, IUD, double-barrier
   contraception, sexual abstinence. The form of birth control will be documented at
   screening and baseline.

10. Participants must be US citizens.

Exclusion Criteria:

   1. Female of childbearing potential who is not willing to use one of the specified forms
   of birth control during the study.

   2. Female that is pregnant or breastfeeding.

   3. Claustrophobic.

   4. History of a neurological disorder (i.e. Parkinson's, epilepsy, dementia, etc.)
   excluding sequelae of traumatic injury.

   5. In the judgment of the investigator, the subject is at significant risk for suicidal
   behavior during the course of their participation in the study.

   6. History of schizophrenia or schizoaffective disorders, or any history of psychotic
   symptoms.

   7. Has a clinically significant abnormality on the screening physical examination that
   might affect safety, study participation, or confound interpretation of study results.

   8. Participation in any clinical trial with an investigational drug or device within the
   past month or concurrent to study participation.

   9. Any current or past history of any physical condition which in the investigator's
   opinion might put the subject at risk or interfere with study results interpretation.

10. Any history of cardiovascular problems.

11. Any history of liver or kidney problems.