Pubmed

#1: ‘(“PTSD”[Title/Abstract] OR “post-traumatic stress”[Title/Abstract] OR “posttraumatic stress*”[Title/Abstract] OR “stress disorders, post-traumatic”[MeSH Terms] )

#2: ‘(“psychedelic”[Title/Abstract] OR “MDMA”[Title/Abstract] OR “methylenedioxymethamphetamine”[Title/Abstract] OR “N-Methyl-3,4-methylenedioxyamphetamine”[MeSH Terms] OR “ecstasy”[Title/Abstract] OR “molly”[Title/Abstract]) OR “midomafetamine”[Title/Abstract]

#3: ‘(“Randomized Controlled Trial”[Publication Type] OR “Controlled Clinical Trial”[Publication Type] OR “Pragmatic Clinical Trial”[Publication Type] OR “Equivalence Trial”[Publication Type] OR “clinical trial, phase iii”[Publication Type] OR “Randomized Controlled Trials as Topic”[MeSH Terms] OR “Controlled Clinical Trials as Topic”[MeSH Terms] OR “Random Allocation”[MeSH Terms] OR “Double-Blind Method”[MeSH Terms] OR “Single-Blind Method”[MeSH Terms] OR “placebos”[MeSH Terms:noexp] OR “Control Groups”[MeSH Terms] OR (“random”[Title/Abstract] OR “sham”[Title/Abstract] OR “placebo”[Title/Abstract]) OR ((“singl*”[Title/Abstract] OR “doubl*”[Title/Abstract]) AND (“blind*”[Title/Abstract] OR “dumm*”[Title/Abstract] OR “mask*”[Title/Abstract])) OR ((“tripl*”[Title/Abstract] OR “trebl*”[Title/Abstract]) AND (“blind*”[Title/Abstract] OR “dumm*”[Title/Abstract] OR “mask*”[Title/Abstract])) OR (“control*”[Title/Abstract] AND (“study”[Title/Abstract] OR “studies”[Title/Abstract] OR “trial*”[Title/Abstract] OR “group*”[Title/Abstract]))))

#4: #1 AND #2 AND #3

Embase

#1: ‘(‘ptsd’:ti,ab OR ‘post-traumatic stress’:ti,ab OR ‘posttraumatic stress*‘:ti,ab OR ‘posttraumatic stress disorder’/exp)

#2: ‘(‘psychedelic’:ti,ab OR ‘mdma’:ti,ab OR ‘methylenedioxymethamphetamine’:ti,ab OR ‘midomafetamine’/exp OR ‘ecstasy’:ti,ab OR ‘molly’:ti,ab OR ‘midomafetamine’:ti,ab)

#3: ‘(‘randomized controlled trial’:it OR ‘controlled clinical trial’:it OR ‘pragmatic clinical trial’:it OR ‘equivalence trial’:it OR ‘clinical trial, phase iii’:it OR ‘randomized controlled trial (topic)’/exp OR ‘controlled clinical trial (topic)’/exp OR ‘randomization’/exp OR ‘double blind procedure’/exp OR ‘single blind procedure’/exp OR ‘placebo’/de OR ‘control group’/exp OR (‘random’:ti,ab OR ‘sham’:ti,ab OR ‘placebo’:ti,ab) OR ((‘singl*‘:ti,ab OR ‘doubl*‘:ti,ab) AND (‘blind*‘:ti,ab OR ‘dumm*‘:ti,ab OR ‘mask*‘:ti,ab)) OR ((‘tripl*‘:ti,ab OR ‘trebl*‘:ti,ab) AND (‘blind*‘:ti,ab OR ‘dumm*‘:ti,ab OR ‘mask*‘:ti,ab)) OR (‘control*‘:ti,ab AND (‘study’:ti,ab OR ‘studies’:ti,ab OR ‘trial*‘:ti,ab OR ‘group*‘:ti,ab)))

#4: #1 AND #2 AND #3

PsycInfo

S1: (tiab(“PTSD” OR “post-traumatic stress” OR “posttraumatic stress*”) OR MAINSUBJECT.EXACT.EXPLODE(“Posttraumatic Stress Disorder”))

S2: (tiab(“psychedelic” OR “MDMA” OR “methylenedioxymethamphetamine” OR “ecstasy” OR “molly” OR “midomafetamine”) OR MAINSUBJECT.EXACT.EXPLODE(“Methylenedioxymethamphetamine”))

S3: (MAINSUBJECT.EXACT.EXPLODE(“Randomized Controlled Trials” OR “Placebo” OR “Experiment Controls”) OR (TIAB(“random” OR “sham” OR “placebo” OR “Pragmatic Clinical Trial” OR “Equivalence Trial” OR “clinical trial, phase iii” OR “Random Allocation” OR “Double-Blind Method” OR “Single-Blind Method”)) OR (TIAB(“singl*” OR “doubl*”) AND (“blind*” OR “dumm*” OR “mask*”)) OR (TIAB(“tripl*” OR “trebl*”) AND (“blind*” OR “dumm*” OR “mask*”)) OR TIAB(“control*” AND (“study” OR “studies” OR “trial*” OR “group*”)))

#4: [S1] AND [S2] AND [S3]

Web of Science

#1: ((TI=PTSD OR AB=PTSD) OR (TI=”post-traumatic stress” OR AB=”post-traumatic stress”) OR (TI=”posttraumatic stress*” OR AB=”posttraumatic stress*”) OR TS=”stress disorders, post traumatic”)

#2: ((TI=psychedelic OR AB=psychedelic) OR (TI=MDMA OR AB=MDMA) OR (TI=methylenedioxymethamphetamine OR AB=methylenedioxymethamphetamine) OR TS=”n methyl 3,4 methylenedioxyamphetamine” OR (TI=ecstasy OR AB=ecstasy) OR (TI=molly OR AB=molly) OR (TI=midomafetamine OR AB=midomafetamine))

#3: (TS=”Randomized Controlled Trial” OR TS=”Controlled Clinical Trial” OR TS=”Pragmatic Clinical Trial” OR TS=”Equivalence Trial” OR TS=”clinical trial, phase iii” OR TS=”Randomized Controlled Trials as Topic” OR TS=”Controlled Clinical Trials as Topic” OR TS=”Random Allocation” OR TS=”Double-Blind Method” OR TS=”Single-Blind Method” OR TS=placebos OR TS=”Control Groups” OR ((TI=random OR AB=random) OR (TI=sham OR AB=sham) OR (TI=placebo OR AB=placebo)) OR (((TI=singl* OR AB=singl*) OR (TI=doubl* OR AB=doubl*)) AND ((TI=blind* OR AB=blind*) OR (TI=dumm* OR AB=dumm*) OR (TI=mask* OR AB=mask*))) OR (((TI=tripl* OR AB=tripl*) OR (TI=trebl* OR AB=trebl*)) AND ((TI=blind* OR AB=blind*) OR (TI=dumm* OR AB=dumm*) OR (TI=mask* OR AB=mask*))) OR ((TI=control* OR AB=control*) AND ((TI=study OR AB=study) OR (TI=studies OR AB=studies) OR (TI=trial* OR AB=trial*) OR (TI=group* OR AB=group*))))

#4: #1 AND #2 AND #3

Scopus

#1: ( TITLE-ABS ( “PTSD” OR “post-traumatic stress” OR “posttraumatic stress*” ) OR INDEXTERMS ( “stress disorders, post traumatic” ) )

#2: ((TITLE-ABS(psychedelic OR MDMA OR methylenedioxymethamphetamine OR ecstasy OR molly OR midomafetamine)) OR INDEXTERMS(“n methyl 3,4 methylenedioxyamphetamine”))

#3: (DOCTYPE(“Randomized Controlled Trial” OR “Controlled Clinical Trial” OR “Pragmatic Clinical Trial” OR “Equivalence Trial” OR “clinical trial, phase iii”) OR INDEXTERMS(“Randomized Controlled Trials as Topic” OR “Controlled Clinical Trials as Topic” OR “Random Allocation” OR “Double-Blind Method” OR “Single-Blind Method” OR placebos OR “Control Groups”) OR TITLE-ABS(random OR sham OR placebo) OR ((TITLE-ABS(singl* OR doubl*)) AND (TITLE-ABS(blind* OR dumm* OR mask*))) OR ((TITLE-ABS(tripl* OR trebl*)) AND (TITLE-ABS(blind* OR dumm* OR mask*))) OR (TITLE-ABS(control*) AND (TITLE-ABS(study OR studies OR trial* OR group*))))

#4: #1 AND #2 AND #3