Add on Study on Δ9-THC Treatment for Posttraumatic Stress Disorders (PTSD)

You may be eligible if

• Outpatients between the 19-60 years of age with a diagnosis of PTSD.
• Women must not be currently pregnant and must use a reliable method of contraception for the duration of the study.
• Subjects must be on stable medication (4 weeks minimum) for their PTSD (symptomatic despite current treatment), must be able to provide written informed consent, must be able adequately understand and comply with the study's instructions and protocol .
• Women who are currently pregnant or nursing.
• Those at immediate risk of harming self or others; those who have a clinically significant medical illness or other significant psychiatric illness;
• currently abusing alcohol or drugs;
• currently being treated with an investigational medication or medication that is contraindicated with cannabinoids;
• have a known allergy to cannabis-based products.