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Ian Kelleher

@iankellehermd.bsky.social
152 followers 69 following 8 posts

Professor of Child and Adolescent Psychiatry at Edinburgh University 🏴󠁧󠁢󠁳󠁣󠁴󠁿🇬🇧 Adjunct Prof at University College Dublin 🇮🇪 & University of Oulu 🇫🇮 Academy of Medical Sciences Professor NHS Consultant #DataScience #DataDrivenInnovation #CAMHS

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Reposted by Ian Kelleher
Jonah Byrne @jonah-byrne.bsky.social · 06/08/2026
▶️ 40% of all CAMHS patients went on to use specialist adult mental health services ▶️ 46% of all adult psychiatric inpatient bed days are for individuals who have been to CAMHS earlier in life. This demonstrates the frequent long-term mental health burden on individuals who come to CAMHS.
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Jonah Byrne @jonah-byrne.bsky.social · 06/08/2026
What do clinical outcomes look like for child and adolescent mental health services (CAMHS) patients when followed over time? In a total Scottish birth cohort study, we found figures far higher than previous short-term studies have suggested... 🧵 link.springer.com/article/10.1...
link.springer.com
Adult mental health service outcomes for patients of child and adolescent mental health services: a total Scottish birth cohort study - European Child & Adolescent Psychiatry
Child and adolescent mental health services (CAMHS) provide a critical opportunity for early mental health interventions. Evidence is still scare, however, on the long-term mental health outcomes of C...
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sjogresearch.bsky.social @sjogresearch.bsky.social · 26/03/2026
New research led by @ucddublin.bsky.social and @edinburgh-uni.bsky.social, funded by SJOG Research Foundation, finds childhood ADHD treatment did not increase later psychosis risk — and may be protective when started before age 13. Read in full on bit.ly/4lO7Vik @iankellehermd.bsky.social
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Animesh Talukder @animesh92.bsky.social · 04/01/2026
Is the link btwn Adolescent SSRI use & Bipolar Disorder causal? Our study suggests: 𝐍𝐨. When accounting for unmeasured confounding (e.g., depression severity) via Instrumental Variable analysis, the evidence for a causal link disappears. mentalhealth.bmj.com/content/28/1... #Psychiatry #MedSky
mentalhealth.bmj.com
Antidepressant treatment and risk of subsequent bipolar disorder in adolescents with unipolar depression
Background Selective serotonin reuptake inhibitors (SSRIs) are a common treatment for depression and anxiety in adolescents but are associated with an increased incidence of bipolar disorder (BD). Whe...
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 11/12/2025
One in five young people in the UK now use mental health services by age 18. @the-independent.com eur02.safelinks.protection.outlook.com?url=https%3A...
eur02.safelinks.protection.outlook.com
One in five young people now use mental health services by age 18
New research shows a fourfold increase in the numbers of young people using specialist mental health care in the last two decades
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Ian Kelleher @iankellehermd.bsky.social · 11/12/2025
What % of all kids in the UK come to child and adolescent mental health services (CAMHS) at some stage in childhood (0 - 18)? 15 years ago, it was 1 in 17 children. Now it’s a pretty staggering 1 in 5 www.cambridge.org/core/journal...
cambridge.org
Trends in annual and lifetime prevalence of child and adolescent mental health service use in the UK between 1991 and 2023: Welsh healthcare register linkage study | The British Journal of Psychiatry ...
Trends in annual and lifetime prevalence of child and adolescent mental health service use in the UK between 1991 and 2023: Welsh healthcare register linkage study
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Colm Healy @c-healy.bsky.social · 05/11/2025
New research using an emulated target trail approach with all adolescent CAMHs users in Finland suggesting that Doxycycline (an antibiotic) can reduces future risk of schizophrenia. Massive congrats to @iankellehermd.bsky.social @edinburghcapsych.bsky.social doi.org/10.1176/appi... More info ⬇️⬇️⬇️
doi.org
Doxycycline Use in Adolescent Psychiatric Patients and Risk of Schizophrenia: An Emulated Target Trial | American Journal of Psychiatry
Objective: As many as half of individuals who develop psychosis had attended child and adolescent psychiatric services at some stage in childhood, highlighting substantial opportunities for prevention...
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 23/07/2025
We observed a significant increase in new eating disorder referrals to CAMHS in the UK during the COVID-19 pandemic. Interestingly, there was no evidence of changes in the patients' clinical, demographic, or deprivation profiles. Open access in #EatingBehaviors doi.org/10.1016/j.ea...
doi.org
Redirecting
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 27/06/2025
Out now: No evidence that SSRI treatment for adolescent depression reduces future risk of psychosis. This goes against the belief that typical treatments for common mental disorders will reduce the risk of psychosis. 💊🧠 15 min explainer podcast: youtu.be/wP3nuqSpWbo Paper: doi.org/10.1192/j.eu...
youtu.be
Can treating teenage depression prevent severe mental illness in adulthood?
YouTube video by Ian Kelleher Lab
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Reposted by Ian Kelleher
Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 14/05/2025
Out today in BJPsych: 45% of people with a psychotic or bipolar disorder attended CAMHS in Wales at some point in childhood/adolescence🧒 This replicates similar findings from Finland by @iankellehermd.bsky.social & co - showing this applies to UK CAMHS as well. doi.org/10.1192/bjp....
cambridge.org
Psychosis and bipolar disorder risk in child and adolescent mental health services in the UK: population cohort study | The British Journal of Psychiatry | Cambridge Core
Psychosis and bipolar disorder risk in child and adolescent mental health services in the UK: population cohort study
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Colm Healy @c-healy.bsky.social · 14/05/2025
@iankellehermd.bsky.social and co previously demonstrated that ~50% of those with psychosis and bipolar disorder had been to CAMHs in Finland. That was no fluke, as they have now demonstrated that it's 45% in wales. Great work by @kirstieohare.bsky.social 👏 👏 Paper: doi.org/10.1192/bjp....
doi.org
Psychosis and bipolar disorder risk in child and adolescent mental health services in the UK: population cohort study | The British Journal of Psychiatry | Cambridge Core
Psychosis and bipolar disorder risk in child and adolescent mental health services in the UK: population cohort study
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 12/05/2025
Shared characteristics associated with both psychotic experiences and likelihood of being treated with stimulant medications may instead be driving the relationship.
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 12/05/2025
Concerns have been raised that stimulant medications could increase risk of psychotic experiences in young people. Our new research shows no evidence for such a causal relationship 💊🧠 Paper 👇 publications.aap.org/pediatrics/a...
publications.aap.org
Stimulant Medication Use and Risk of Psychotic Experiences
10.1542/6370189324112Video AbstractPEDS-VA_2024-0691426370189324112BACKGROUND AND OBJECTIVES. The prescription of stimulant medications for young people with attention-deficit/hyperactivity disorder i...
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 03/04/2025
Adolescents hospitalised for non-psychotic disorders have a high risk of psychosis in adulthood. But do (attenuated) psychotic symptoms predict later psychotic illness? The answer isn’t necessarily what you might expect… Open access in #PsychologicalMedicine
cambridge.org
Do psychotic symptoms predict future psychotic disorders in adolescent psychiatry inpatients? A 17-year cohort study | Psychological Medicine | Cambridge Core
Do psychotic symptoms predict future psychotic disorders in adolescent psychiatry inpatients? A 17-year cohort study - Volume 55
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Kapil Sayal @kapilsayal.bsky.social · 27/02/2025
📣 Systematic Review in Feb’s ECAP: Youngest children in school year more commonly diagnosed with, & prescribed medication for, #ADHD, than older classmates #relativeage effect also associated with receipt of diagnosis of #ASD. Great work led by Eleni Frisira 👉 link.springer.com/article/10.1...
link.springer.com
Systematic review and meta-analysis: relative age in attention-deficit/ hyperactivity disorder and autism spectrum disorder - European Child & Adolescent Psychiatry
Youngest students in their class, with birthdates just before the school entry cut-off date, are overrepresented among children receiving an Attention-Deficit/Hyperactivity Disorder (ADHD) diagnosis o...
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sjogresearch.bsky.social @sjogresearch.bsky.social · 27/02/2025
Only 12 days to go before the St John of God DETECT 20 year Early Intervention Psychosis conference. It takes place in the Talbot Hotel Stillorgan on Tues, 11 March 2025. Tickets selling fast. For all details and to book your place, click bit.ly/3ELGMLt
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Ian Kelleher @iankellehermd.bsky.social · 27/02/2025
Amazing - well done Louise
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Ian Kelleher @iankellehermd.bsky.social · 24/02/2025
1 in 2 adult mental health service outpatient appointments & inpatient bed days are taken up by former #CAMHS patients Highlights frequently poor mental health trajectories for young ppl who attend CAMHS and need for research on altering these trajectories. Paper: www.cambridge.org/core/journal...
cambridge.org
Adult psychiatric outcomes of young people who attended child and adolescent mental health services: a longitudinal total population study | Psychological Medicine | Cambridge Core
Adult psychiatric outcomes of young people who attended child and adolescent mental health services: a longitudinal total population study - Volume 55
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Child and Adolescent Psychiatry at Edinburgh University @edinburghcapsych.bsky.social · 24/02/2025
New research shows >50% of specialist adult mental health service use comes from former #CAMHS patients We need early intervention in childhood to change these poor long-term outcomes That's why we need much more research on mental illness prevention in #CAMHS 👉 www.cambridge.org/core/journal...
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Louise Arseneault @larseneault.bsky.social · 20/02/2025
Meet the team behind the #AtlasLongitudinalDatasets! We are a team of researchers, charities and lived experience experts from 15 countries around the world! Check out our Who We Are page to learn more about our team: atlaslongitudinaldatasets.ac.uk/who-we-are
Image: 
A globe surrounded by faces of the team members working on the Atlas of Longitudinal Datasets. 
Text:
Meet the team!
We are a team of researchers, charities and lived experience experts from around the world!
Logos:
Atlas of Longitudinal Datasets. Wellcome Trust, MQ mental health research, King's College London (KCL), Platforms for Longitudinal Mental Health Data (PALM).
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Kapil Sayal @kapilsayal.bsky.social · 08/02/2025
Time to act: hundreds of children sent out of area every day for mental health treatment @rcpsych.bsky.social, @drladesmith.bsky.social, @elainelockhart.bsky.social www.rcpsych.ac.uk/news-and-fea...
rcpsych.ac.uk
Time to act: hundreds of children sent out of area every day for mental health treatment
Our analysis of the latest NHS England data shows a shocking 319 children and adolescents in England were forced to travel out of their area for mental health treatment from December 2023 to November ...
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Tamsin Ford @tamsinford.bsky.social · 07/02/2025
Parity of esteem in action again www.cambridge.org/core/journal...
cambridge.org
Professorships in child and adolescent psychiatry relative to a similarly sized medical specialty in the UK and Ireland: cross-sectional study | The British Journal of Psychiatry | Cambridge Core
Professorships in child and adolescent psychiatry relative to a similarly sized medical specialty in the UK and Ireland: cross-sectional study
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Ian Kelleher @iankellehermd.bsky.social · 07/02/2025
In the midst of a crisis in youth mental health, more than half of all medical schools in the UK & Ireland do not even have a single professor in child & adolescent psychiatry New in #BJPsych www.cambridge.org/core/journal...
cambridge.org
Professorships in child and adolescent psychiatry relative to a similarly sized medical specialty in the UK and Ireland: cross-sectional study | The British Journal of Psychiatry | Cambridge Core
Professorships in child and adolescent psychiatry relative to a similarly sized medical specialty in the UK and Ireland: cross-sectional study
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Maria Jalbrzikowski @mjalbrzikowski.bsky.social · 06/02/2025
Please re-post! Two Clinical Research Assistant position openings in the Neuroscience of Risk and Development Laboratory! sjobs.brassring.com/TGnewUI/Sear... sjobs.brassring.com/TGnewUI/Sear...
sjobs.brassring.com
Job Search Welcome | Boston Childrens Hospital
Search for Internet job openings.
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Tamsin Ford @tamsinford.bsky.social · 15/01/2025
We’ve been mental elfed!
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The Mental Elf @thementalelf.bsky.social · 15/01/2025
Critical lack of evidence about social media use and youth mental health in clinical populations www.nationalelfservice.net?p=209615 #SocialMedia #YouthMentalHealth #Research
nationalelfservice.net
Critical lack of evidence about social media use and youth mental health
Impact of social media use on internalising symptoms in adolescents from clinical and community samples.
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Awais Aftab @awaisaftab.bsky.social · 13/01/2025
Dummies Guide to “The British Professor Leading the Controversial Backlash Against Antidepressants” British journalists and editors, this is for you www.psychiatrymargins.com/p/dummies-gu...
psychiatrymargins.com
Dummies Guide to “The British Professor Leading the Controversial Backlash Against Antidepressants”
British journalists and editors, this is for you
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ACAMH - Association for Child and Adolescent Mental Health @acamh.bsky.social · 08/01/2025
Early career bods, this is a must attend webinar 👇👍 'Encouraging the next generation of CAMHS researchers' www.acamh.org/event/camh-e... Keynote from address @tamsinford.bsky.social 'Whys and wherefores of an academic career' Only costs 🦑🦑🦑🦑🦑
acamh.org
Encouraging the next generation of CAMHS researchers: an event dedicated to ECRs
The webinar is tailored specifically for those in the early stages of their career. This session is perfect for medical students, psychology and nursing students seeking their first research experienc...
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Kapil Sayal @kapilsayal.bsky.social · 08/01/2025
📣 New Research! It took 6 years but we got there! The STADIA trial reports… What we did: Large multi-centre #RCT with 1225 children and young people with emotional difficulties referred to #CAMHS across England, followed-up for 18 months. 6 Headline findings… see below… (1/7)
Stadia RCT publication
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Ian Kelleher @iankellehermd.bsky.social · 11/01/2025
Check out the opportunity to work in this pioneering lab @mjalbrzikowski.bsky.social
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