Am

J Psychiatry

135:2,

chotic medication family history her movement her prescribed phenidate in symptoms

of

methapyrilene methylphenidate,

She

had

February

1978

CLINICAL

and lithium. There was no personal or of neurologic disease. At least 2 weeks before disorder developed, she had stopped taking medication and had begun to abuse methyldoses of 30-100 mg/day. After developing movement disorder, she had started taking in doses of up to 250 mg/day in addition to the without changes in her symptoms.

marked

choreoathetosis

of all extremities,

responsive to halopenidol, a blocker mine receptors, are consistent with mine hypothesis.

head,

The

have

recurrence

The

pathophysiology and

to involve in the

and

increased

brain

the

(1).

Stimulants

activity, disorders

in hyperkinetic

Clinical

A recent

been

tentiates

such

as

have and

been reported dyskinesias

children

(3). These

of CSF

study

reported

that

mean

are

Nucleotides

BIEDERMAN,

cAMP

values

schizophrenic ues were prognoses

was

significantly

cyclic

greater

in

M.D.,

RANAN

among

sig-

of schizophrenic

ciated

with

poor-prognosis

patients

with

process

high cAMP, schizophrenia.

from

the Scottish

0002-953X/78/0002-0253$0.40

RIMON,

of has

cholinergic

activity.

75:203-212,

1972

M.D.,

The missions rusalem

assoThe

Rite Schizo-

was

period

patient

EBSTEIN,

designed

group

PH.D.,

to systematically

consisted

of drug-free Mental Health

of December

diagnosis trists (1).

evaluate

was No

made patient

of 20 consecutive

ad-

schizophrenic patients Center inpatient unit

to the during

1975

1976.

through

by consensus had received

August oftwo staff neuroleptic

Jethe

The

psychiatreat-

ment for at least 2 weeks prior to admission. Of the 20 patients, 19 had been hospitalized previously and 2 had a 2-year history of illness before his first hospitalization. viously

CSF biochemical data for 10 of the 20 patients

Lumbar CSF was obtained cAMP and cyclic guanosine were measured as described sample

© 1978

RICHARD

Method

the

When this work was done, Drs. Zohar and Biederman were Residents in Psychiatry and Dr. Rimon was Visiting Professor, Jerusa1cm Mental Health Center, Ezrath Nashim, where Dr. Ebstein is Senior Biochemist and Dr. Belmaker is Director of Research. Address reprint requests to Dr. Belmaker at P.O. Box 140, Jerusalem Mental Health Center, Ezrath Nashim, Jerusalem, Israel. This work was supported by a grant phrenia Research Program.

use

Schizophrenia

the

patients, and the two highest cAMP valin schizophrenic patients with notably poor (1). This suggested the existence of a sub-

group

to the influence

HL, Weiner WI: The pharmacology of choreatic disorders. Prog Neurobiol 6:49-80, 1976 0: Psychoses and the punding and choreiform synaddiction to central stimulant drugs. Psychiatr Neurol

present study this hypothesis.

adenosinc

monophosphate (cAMP) levels in the ccrcbnospinal fluid (CSF) of schizophrenic patients do not differ nificantly from those of pneanesthctic psychiatrically normal controls (1). However, the variance of

related

cholinergic

of there

Denckla MB, Bemporad JR. McKay MC: Tics following methylphenidate administration. JAMA 235: 1349-135 1 , 1976 4. Klawans HL, Weiner WJ: The effect of d-amphetamine on choreiform movement disorders. Neurology 24:312-318, 1974 5. Thack IT, Chase TN, Bosma IF: Oral facial dyskinesia associated with prolonged use of antihistaminic decongestants. N EngI J Med 293:486-487, 1975

to (2)

stimulants

antihistaminic/anti-

3.

do-

to lead addicts

dopadopa-

in the development be noted since

of dyskinesias

central

Neurochir

influence

in

Cyclic

ZOHAR, M.D., JOSEPH H. BELMAKER, M.D.

dis-

central

the

Decreased

(5).

1 . Klawans movement 2. Rylander dromes in

methylphenidatc

potentiate

of

of central the above

REFERENCES

hypothesized

neuronal

which

Correlates

BY JOSEPH AND ROBERT

movement

has

dopaminergic

amphetamines,

paminengic chorciform

and

dyskinesias

reports

drugs

of her symptoms.

of chorciform

related

REPORTS

been hypothesized to play a role in choreiform movement disorders (1); however, this patient showed no improvement following physostigmine, a drug that po-

Discussion

orders

role

drug methapyrilene symptoms should

been

these

was then given haloperidol, 4 mg I.M. over 60 minutes. She went to sleep briefly and awoke markedly improved, with only a mild residual movement disorder. She was instructed to take low doses of oral haloperidol for several days. At 1-

she denied

possible

cholinergic this patient’s

She was given physostigmine, 3 mg I.M. over 90 minutes. There was no improvement. and she became nauseated. She

follow-up

RESEARCH

known to exacerbate the symptoms of chorea (4), while dopamine-blocking drugs are known to improve chorciform symptoms (1). The findings in this patient of a choreiform syndrome that was precipitated by methylphenidate, a potentiator of dopamine, and was

and neck, as well as buccal-facial-lingual dyskinesias. The physical exam, which included a neurologic assessment, was otherwise unremarkable except for dry mouth, tachycardia, and sluggish mid-position pupils. She was alert. oriented, and mildly hypomanic. Routine laboratory tests were unremarkable.

month

AND

American

assays Psychiatric

were

done Association

had been (1).

and cyclic monophosphate previously

in a single

batch

reported

pre-

nucleotides, (cGMP), (1,2). All on the

same 253

CLINICAL

TABLE Clinical

AND

RESEARCH

Am

REPORTS

J Psychiatry

of CSF cAMP

in 20 Schizophrenic

“Indicator N=20

variable”

in the case of noncontinuous

.54 .52 .47 -.45 .50

poor)

or affective

blunting),

speed

of first

re-

mission (quick, moderate, or slow), number of past hospitalizations, number of months between hospitalizations, quality of intermorbid adjustment (good, moderate, poor), total number of years ill, and severity of present illness at the time of spinal tap. Correlational analysis and multiple regression were done by the central computer at the Tel Aviv University. Results

Table 1 shows the five variables that were significantly correlated with CSF cAMP. Diagnosis of simple schizophrenia, slow first remission, poor intermorbid adjustment, young age of onset, and absence of hallucinations ing CSF

are all significantly cAMP. CSF cGMP

Regression

Variables

p< .01 p

Clinical correlates of CSF cyclic nucleotides in schizophrenia.

Am J Psychiatry 135:2, chotic medication family history her movement her prescribed phenidate in symptoms of methapyrilene methylphenidate, She...
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