Enrique Baca García
Ecological momentary assessment (EMA) and machine learning : Digital phenotyping in suicide behavior
Enriching Populations and Enhancing Outcomes in Studies Measuring Suicidality
Enrique Baca Garca Disclosure of conflict of interest - - PowerPoint PPT Presentation
Enriching Populations and Enhancing Outcomes in Studies Measuring Suicidality Ecological momentary assessment (EMA) and machine learning : Digital phenotyping in suicide behavior Enrique Baca Garca Disclosure of conflict of interest
Enriching Populations and Enhancing Outcomes in Studies Measuring Suicidality
2
Grants/research support AFSP NARSAD Lilly Janssen Servier Lundbeck Otsuka Founder MeMind Eb2
3
2
nd greatest cause of mortality in people 18-35
640.300 potentially productive life years lost EU → 22€ billion in potential income loss Preventable but not predictable Safety vs trauma → hospitalisation (standard of care) Complexity vs risk stratification → personalisation Suicidality as exclusion criteria in clinical trials
Clinical outcome measures vs Patient reported outcomes measures measures
4
Clinician: “Have you ever thought that you would be better off dead or wish you were dead?” Patient: “ Have you ever felt that you no have desire to life?”
Wish to live/ Wish to die for patients r=.89 (IC 95% -0,94 -0.81) n=119 (896 observations)
Enrique Baca-García
5
DESIGN: EMA
1
EXPERIENCE:FEASIBILITY PATIENT EXPERIENCE
2
OUTCOMES: MBC → PROMs & PREMs
3
REAL TIME ANALYTIC
4
SAFETY
5
01 02 03 046
1 DSG
7
1 DSG
8
1 DSG
9
1 DSG
Participative
03
10
Dynamic
02
EXPLICIT-ACTIVE IMPLICIT-PASSIVE
Passive
01
Interactive
04
1 DSG
BMC Psychiatry in press
Enrique Baca-García
11
1 DSG
Enrique Baca-García
12
Clinical outcome measures Suicide/Suicide attempt/hospitalisation/ER Patient reported outcomes measures Wish to live/ to die Sleep Patient reported experience measures Satisfaction Movement
Passive
01
Dynamic
02
Dynamic
02
Participative
03
2
OUT
BMC Psychiatry in press
13
Patient reported outcomes measures
MONTH 1 Question/day 4 Twice per week
Once each 4 days
Once each 2 weeks MONTH 2-3 Question/day 2 Once per week
Once each 8 days
Once each 4 weeks MONTH 4-6 Question/day 1-2 Once per week
Once each 8 days
Once each 6 weeks
Dynamic
02
2
OUT
BMC Psychiatry in press
14
1 Refused to participate 14% Not installed No upload Participating 66%
SMART CRISIS (n=189) WHODAS (n=1706)
Refused to participate 13% Not installed No upload Participating 58%
Refused to participate 16% Not installed No upload Participating 59%
UCV (n=583)
3 EXP
15
Active
Log Rank (Mantel-Cox) =,411, DF=1, P=0,522
Passive
Log Rank (Mantel-Cox) =8,77 , DF=2, P=0,012
3 EXP
Enrique Baca-García
16
3 EXP
Enrique Baca-García
17
3 EXP
Wish to live Wish to die
CV=24,8 CV=22,4 Wish to live/ Wish to die for patients r=.89 (IC 95% -0,94 -0.81) n=119 (896 obs)
Enrique Baca-García
18
3 EXP
Correlation stability sleep satisfaction Wish to live
Enrique Baca-García
Personalisation: Indian buffet process
19 Feature 0 Feature 1 Feature 2 Feature 3 Profile 1 (1452) x Profile 2 (738)
x x
Profile 3 (142)
x x
Profile 4 (93)
x x x
Profile 5 (3)
x x
3 EXP
20
5
4 RT
150 300 450 600
Pattern 8 Pattern 7 Pattern 6 Pattern 5 Pattern 4 Pattern 3 Pattern 2 Pattern 1
Median number of patterns per patient =2
JMIR Mhealth Uhealth 2018 | vol. 6 | iss. 12 | e197 | p.1
STABILITY
21
Detection based on movement patterns
29/6/2018 Unstable Pattern change 4/7/2018 EA Suicide Attempt
5
SAFE
JMIR Mhealth Uhealth 2018 | vol. 6 | iss. 12 | e197 | p.1
22
5
REAL WORLD + PERSONALISED → INTERVENTION
Access to real world with patient acceptability and minimal interference Massive sampling Assessing and analysing in real time Measures variability Sleep and movement as suicide behaviour markers
Enrique Baca-García
23
Enrique * Baca-Garcia * Fundacion Jimenez Diaz Sofian Berrouiguet University Hopital Brest Juan Jose Carballo Beloso Hospital Gregorio Marañon Santiago Ovejero Fundacion Jimenez Diaz Raquel Alvarez García Hospital Rey Juan Carlos Laura Mata Iturralde Fundacion Jimenez Diaz Laura Muñoz Lorenzo Fundacion Jimenez Diaz Ezequiel Distasio Hospital General de V llaba Mari a Luis a Barrigon Fundacion Jimenez Diaz David Delgado Universidad Carlos III Pablo Fernandez Navarro ISCIII Jorge Lopez Castroman University Montpleir Hilario Blasco Fontecilla HU Puerta de Hierro Lucas Giner Universidad Sevilla Ana Gomez Carrillo University of London Mercedes Perez Rodriguez Mount Sinai, NY Philippe Courtet University Montpelier Maria Oquendo Columbia University