Authors, date Country

Patient: sex, age

HCQ treatment indication

Relevant personal or family history of PD

HCQ dosage (and relevant pharmacological interactions)

NSE

Time to onset of NSE (after HCQ introduction)

Imputability score

Medical care

Time to resolution of NSE

Follow-up

Ward et al., 1985 UK

40-year-old man

non systemic lupus (DLE)

no

a- 800 mg/d

impaired concentration, irritability, bossy behaviour

2 weeks

_

HCQ stop, no AP

7-12 days

_

b- 400 mg/d

irritability, decrease in attention span, perseverations, megalomaniac thoughts

3 weeks

Ferraro et al., 2004 France

75-year-old woman

non systemic lupus (EPLP)

no

a- 400 mg/d (+ methylprednisolone 0.5 mg/kg/j)

nightmares, (excitement under glucocorticoids)

10 days

I4 (C3,S3)

withdrawal of glucorticoids

1 month

no recurrence of PD after 2.5 years

b- 400 mg/d

temporo-spatial disorientaton (brief episode), depersonalization, cenesthetic hallucinations (sensations of altered states in bodily organs, burning sensation in the brain)

> 10 days

HCQ stop, no AP

Hsu et al., 2011 Taiwan

49-year-old woman

SLE

no

100 mg/d

manic-like episode with psychotic features: sleep disorders, anxiety, irritability, grandiose and mystical delusions, auditory verbal hallucinations, treatment refusal, persecutory delusions

8 years!

Naranjo probability scale: 5 points

HCQ stop, risperidone 2 mg/d

after 7 days under AP medication

_

Das et al., 2014 USA

43-year-old man

chronic Q fever

no

a- 300 mg/d (in association with doxycycline 200 mg/d and rifampin 600 mg/d (1 month) replaced by ciprofloxacin 1.5 g/d)

auditory verbal, visual and cenesthetic hallucinations

4 months

_

HCQ stop, haloperidol (2 days, dosage NS)

after a few days

no NSE for 7 months

b- 400 mg/d

visual hallucinations (e.g., squirrel, child), cenesthetic hallucinations (e.g., crawling bugs and fire on the skin), auditory verbal hallucinations (children's voices), mental automatism (people on television talked to him)

3 months

HCQ stop, olanzapine 5 mg (single-dose administration)

3 days

no recurrence at 8th day follow-up visit

Gonzalez-Nieto & Costa-Juan, 2015 Spain

36-year-old woman

SLE and APS

borderline personality disorder without psychotropic treatment

a - 200 mg/d (+ prednisone 10 mg/d)

generalized anxiey, suicidal ideation, auditory and kinaesthetic hallucinations

1 month

_

decrease of prednisone (5 mg/d), HCQ stop, fluvoxamine and risperidone

NS

5 years of stability

b - dosage NS (no corticosteroid)

suicidal ideation, self-harm, kinaesthetic and auditory hallucinations

1 week

_

HCQ stop

NS

no recurrence of NSE

Altintas, 2015 Turkey

73-year-old woman

rheumatoid arthritis

no

400 mg/d

verbigerations, auditory verbal and visual hallucinations, speech and swallowing disorders, contractions of the body, crying, no confusion diagnosed

5 days

_

HCQ stop, intramuscular diazepam, olanzapine 5 mg/d

after 1 month under AP medication

no recurrence of PD after 2 months

Cravero et al., 2021 France

17-year-old female adolescent

non systemic lupus (DLE)

no personal history of PD; PTSD and depressive disorder in a first-degree relative

a- 400 mg/d (in association with nifedipine 30 mg/d)

1 - asthenia, vertigo, visual disturbances, bicycle fall and toe fracture
2 - fall from her height (probable orthostatic hypotension)

2 days to 3 weeks

2 months

I4 (C3,S1)

HCQ stop after 3 months

_

improvement during 6 months

b- 400 mg/d (in association with thalidomide 100 mg/d (2 months) then 50 mg/j)

1 - asthenia, headaches, nightmares, sadness, feelings of persecution, weight loss
2 - psychotic episode: auditory verbal hallucinations, persecutive delusions; suicidal ideation; school dropout 3 - suicide attempt (drug intoxication)

2 weeks

1 month

2 months

HCQ stop after suicidal attempt, risperidone 8 mg/d (6 weeks), 5 mg/d (10 days) and stop

after 1 month under AP medication

no recurrence of PD after 3 years