TREATMENT OF MENTAL DISORDERS

1 . A method of treating a patient suffering from postpartum depression (PPD), wherein the patient suffers from moderate or severe depression and from compromised or severely compromised maternal functioning, comprising administering to the patient suffering from postpartum depression (PPD), wherein the patient suffers from moderate or severe depression and from compromised or severely compromised maternal functioning, an effective amount of 5-Methoxy-N,N-dimethyltryptamine (5-MeO-DMT) or a pharmaceutically acceptable salt thereof, wherein the 5-MeO-DMT or the pharmaceutically acceptable salt thereof is administered via the intravenous, intramuscular, or subcutaneous route.

2 . The method of claim 1 , wherein the patient suffers from severe depression and from compromised or severely compromised maternal functioning.

3 . The method of claim 1 , wherein the patient suffers from severe depression and from severely compromised maternal functioning.

4 . The method of claim 2 , wherein the patient has a MADRS score of 20 or more.

5 . The method of claim 2 , wherein the patient has a MADRS score of 35 or more.

6 . The method of claim 1 , wherein the patient has a Barkin Index of Maternal Functioning (BIMF) score of 80 or below.

7 . The method of claim 1 , wherein the compromised or severely compromised maternal functioning affects the functional domains of mother child interaction and/or management.

8 . The method of claim 1 , wherein the scores assigned to the functional domains of mother child interaction and/or management according to the Barkin Index of Maternal Functioning (BIMF) are not more than 60% of the maximum score for the functional domain.

9 . The method of claim 1 , wherein the patient is in remission of depressive symptoms on day 7.

10 . The method of claim 1 , wherein the patient is in remission of depressive symptoms on day 28.

11 . The method of claim 1 , wherein maternal functioning is improved, compared to the pre-treatment functioning, on day 7.

12 . The method of claim 1 , wherein maternal functioning is improved, compared to the pre-treatment functioning, on day 28.

13 . The method of claim 1 , wherein the BIMF score is improved by at least 10% on day 7.

14 . The method of claim 1 , wherein the BIMF score is improved by at least 10 points on day 7.

15 . The method of claim 1 , wherein the treatment leads to an improvement in scores assigned to the functional domains of mother child interaction and/or management according to the Barkin Index of Maternal Functioning (BIMF) on day 7 to more than 60% of the maximum possible score of the respective functional domain.

16 . The method of claim 1 , wherein the BIMF score is improved by at least 10% on day 28.

17 . The method of claim 1 , wherein the BIMF score is improved by at least 10 points on day 28.

18 . The method of claim 1 , wherein the treatment leads to an improvement in scores assigned to the functional domains of mother child interaction and/or management according to the Barkin Index of Maternal Functioning (BIMF) on day 28 to more than 60% of the maximum possible score.

19 . The method of claim 1 , wherein the 5-MeO-DMT or salt thereof is administered at a dose or in a dosage regimen that causes the patient to experience a peak psychedelic experience.

20 . The method of claim 1 , wherein a dosage of about 1 mg to about 10 mg 5-MeO-DMT is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

21 . The method of claim 1 , wherein a dosage of about 2 mg; or of about 5 mg; or of about 8 mg is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

22 . The method of claim 1 , wherein a dosage of about 1 mg; or of about 2 mg; or of about 3 mg is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

23 . The method of claim 1 , wherein a dosage of about 2 mg; or of about 4 mg; or of about 6 mg is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

24 . The method of claim 1 , wherein the 5-MeO-DMT or salt thereof is administered in a first dosage amount for a first administration; and the 5-MeO-DMT or salt thereof is administered in zero to six subsequent administrations; wherein each subsequent administration uses a dosage amount higher than the previous administration unless the patient experiences a peak psychedelic experience.

25 . The method of claim 1 , wherein the 5-MeO-DMT is administered in a dosage from about 1 mg to about 3 mg for a first administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 4 mg to about 6 mg for a second administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 7 mg to about 9 mg for a third administration, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

26 . The method of claim 25 , wherein the first dosage of 5-MeO-DMT is about 2 mg, the second dosage of 5-MeO-DMT is about 5 mg, and the third dosage of 5-MeO-DMT is about 8 mg; or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

27 . The method of claim 1 , wherein the 5-MeO-DMT is administered in a dosage from about 0.5 mg to about 1.5 mg for a first administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 1.5 mg to about 2.5 mg for a second administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 2.5 mg to about 3.5 mg for a third administration, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

28 . The method of claim 27 , wherein the first dosage of 5-MeO-DMT is about 1 mg, the second dosage of 5-MeO-DMT is about 2 mg, and the third dosage of 5-MeO-DMT is about 3 mg; or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

29 . The method of claim 1 , wherein the 5-MeO-DMT is administered in a dosage from about 2 mg to about 3 mg for a first administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 4 mg to about 5 mg for a second administration, and then increased, unless the patient has already experienced a peak psychedelic experience, to a dosage from about 6 mg to about 7.5 mg for a third administration, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

30 . The method of claim 29 , wherein the first dosage of 5-MeO-DMT is about 2 mg, the second dosage of 5-MeO-DMT is about 4 mg, and the third dosage of 5-MeO-DMT is about 6 mg; or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

31 . The method of claim 24 , wherein the interval between two administrations is not less than 1 hour and not more than 24 hour.

32 . The method of claim 1 , wherein a dosage of about 1 mg to about 5 mg 5-MeO-DMT is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

33 . The method of claim 32 , wherein a dosage of about 1 mg or of about 5 mg is administered, or wherein equimolar amounts of the pharmaceutically acceptable salt are administered instead of 5-MeO-DMT.

34 . The method of claim 32 , wherein the 5-MeO-DMT or salt thereof is administered in a first dosage amount for a first administration; and the 5-MeO-DMT or salt thereof is administered in zero to six subsequent administrations; wherein each subsequent administration uses a dosage amount higher than the previous administration unless the patient experiences a peak psychedelic experience.

35 . The method of claim 34 , wherein the interval between two administrations is not less than 1 hour and not more than 24 hours.

36 . The method of claim 19 , wherein the occurrence of a peak psychedelic experience is identified through achievement of at least 60% of the maximum possible score in each of the four subscales (mystical, positive mood, transcendence of time and space, and ineffability) of the 30-item revised Mystical Experience Questionnaire (MEQ30) or is identified through achievement of at least 60% of the maximum possible score of the Oceanic Boundlessness (OBN) dimension of the Altered States of Consciousness (ASC) questionnaire or is identified through achievement of a Peak Experience Scale (PES) Total Score of at least 75.

37 . The method of claim 36 , wherein the occurrence of a peak psychedelic experience is identified through achievement of a Peak Experience Scale (PES) Total Score of at least 75.

38 . The method of claim 1 , wherein the 5-MeO-DMT or a pharmaceutically acceptable salt thereof is administered via intravenous injection.