| Appendix 5: Summary of Fatal Outcomes
Associated with Clozaril Use and the Development of Agranulocytosis |
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| Events
Under Initial Monitoring System |
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MCN 1 |
Age (years) / Sex |
Duration of
Therapy (weeks) |
dose (mg/day) |
use of CSF 2 |
Days after Clozaril
discontiuation event occured |
Cause |
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| 1 |
90-1069 |
76/F |
11 |
400 |
unknown |
54 |
Autopsy
confirmed the cause of death to be acute peritonitis, respiratory failure,
and renal failure due to septic shock. |
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| 2 |
90-1250 |
45/M |
12 |
400 |
unknown |
3 |
Shortly
after agranutocytosis occurred, pneumonia and sepsis developed and then
patient died 3 days later. Tegretol and Klonopin use were also considered as
a possible contributory factor. |
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| 3 |
91-2835 |
72/F |
9 |
300 |
yes |
6 |
WBC
dropped from 9000 to 400 with no granulocytes in 12 days, then patient
developed bronchopneumonia and pseudomonal sepsis, and then she died 2 days
later despite treatment with antibiotics. |
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| 4 |
91-3697 |
49/M |
10 |
800-900 |
unknown |
6 |
Clozaril
was d/c'd when WBC was 3000. Five days later WBC was 1000, then patient died
the next day; per autopsy, death was due to E. coll sepsis secondary to
agranulocytosis. |
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| 5 |
91-3773 |
59/F |
4 |
300 |
unknown |
9 |
Clozarill
was d/c'd when WBC fell to 500 with fever, eight days later WBC was up to
4700, but then patient died from "massive sepsis" despite treatment
in ICU and antibiotics. |
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| 6 |
92-0785 |
40/M |
5 |
500 |
unknown |
5 |
WBC
fell from 5600 to 500 with no granulocytes
detected and then patient died four days later despite antiblotics /
isolation; death was due to aspiration pneumonia and sepsis per autopsy. |
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| 7 |
93-3053 |
64/M |
4 |
300 |
yes |
54 |
Low
WBCs and neutrophils persisted for two months. He was reported to have died
due to agranulocytosls. A bone marrow aspirate revealed a myelold maturation
arrest. |
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| 8 |
93-3616 |
70/F |
6 |
37.5 |
unknown |
12 |
The
last WBC on Clozaril was 11 ,000 and then patient switched to Stelazine. Nine
days later, WBC was 500. Patient was admitted and in three days had died from
sepsis. |
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| 9 |
93-3792 |
38/M |
8 |
600 |
yes |
20 |
Patient
was admitted after WBC fell from 8100 to 2000. WBC continued to fall. He died
from sepsis despite treatment. A side effect of amphotericin B may have
contributed. |
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| 10 |
93-4619 |
41/M |
16 to 26 |
600 |
yes |
30 |
Patient
was admitted with pneumonia and no neutrophils. WBC eventually responded and
Increased to 34, 600. Despite treatment, patient died from septic shock 4
days later. |
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| 11 |
94-0453 |
62/M |
3 |
400 |
unknown |
9 |
WBC
was 700 after 3 weeks of Clozaril. The patient was admitted and died 9 days
later. He had a history of COPD, CHF and NIDDM. |
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| 12 |
95-0713 |
52/F |
4 |
200 |
yes |
33 |
Developed
leukocytosis of 18,000 and then a week later developed agranulocytosis. WBC
increased to 34,000 with treatment, but patient died a week later due to
cryptococcal pneumonia. |
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| 13 |
95-1359 |
39/M |
9 |
600 |
yes |
12 |
WBC
fell from 7100 to 1700 in ten days and then to 300 with no granulocytes.
Despite treatment, patient died possibly from complications of pneumonia. |
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| 14 |
95-1503 |
58/M |
4 |
500 |
yes |
18 |
WBC
fell from 3500 to 1500 in three days at which point Clozaril
was discontinued. Then WBC dropped to 400 despite neupogen treatment. Patient died following development of
pneumonia, sepsis, and renal failure. |
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| 15 |
95-2494 |
55/M |
9 |
250 |
unknown |
9 |
Patient
was admitted when his WBC was noted to be 400 after 9 weeks of Clozaril. He died from pneumonia. |
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| 16 |
96-2302 |
52/F |
unknown |
375 |
unknown |
14 |
Patient
was admitted when her WBC was noted to be 500. There was no improvement after
2 weeks and she died of septic shock secondary to agranulocylosls. |
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| 17 |
97-0061 |
66/M |
9 to 13 |
200 |
yes |
8 |
WBC
fell from 7300 to 200 in 4 days and
the patient was admitted with pneumonia. There was no improvement with
neupogen and he died within a week
from pneumonia. |
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| 18 |
91-3775 # |
60/M |
8 |
500 |
no |
33 |
Patient
admitted with a WBC of 2000 and treated for an Infection. After treatment,
WBC Increased to >25K. Subsequently he had a pulmonary arrest, then died 9
days later. |
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| 19 |
96-0745 ## |
53/F |
32 |
400 |
yes |
27 |
Patient
admitted with a WBC of 1500, infection, gallstones, and jaundice. Clozaril
was d/c'd. WBC decreased to 200 and then responded to treatment. Later on she
devefoped pneumonia with recurrence of agranulocytosis and died. |
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| 20 |
97-0764 |
54/M |
4 |
unknown |
yes |
16 |
Hospitalized
with agranulocytosis. Neupogen was started after discovery of WBC of 1100 and
ANC of 18%. Within 17 days WBC went back up to 6500. Patient, who had
Huntington’s Chorea, died of cardiac arrest on the day he was supposed to be
discharged from the hospital. |
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Events Under Current
Monitoring System |
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MCN 1 |
Age (years) / Sex |
Duration of
Therapy (weeks) |
dose (mg/day) |
use of CSF 2 |
Days after Clozaril
discontiuation event occured |
Cause |
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| 21 |
98-3018 |
35/F |
5 to 300 |
300 |
yes |
6 |
Treatment
was intermitent for extended periods of time between 1993-1998 with WBC
levels within normal limits and never below 4100 On 10/15/98 her WBC
was 4300 on and dropped to 3100 on 10/28/98 and 1200 on 11/12/98 when
Clozaril was discontinued. At the time agranulocytosis developed she was also
on Seroquel. |
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| 22 |
99-0993 |
70/M |
8 |
250 |
Yes |
20 |
Hospitalized
with agranulocytosis – WBC 600 on 5/13/99. Clozail stopped, Neupogen started.
Bone marrow aspirate showed no WBC precursors. Patient died of sepsis. |
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1 MCN = Manufacturers Control Number; first part of number
Indicates year that case was reported. |
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2 CSF = Colony Stimulating Factor |
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# The cause of death for these two patients may actually have been
due to other complicating factors other than agranulocytosis according to the reporters of these cases. |
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## This patient's initial agranulocytosis occurred after 8 months
of treatment with Clozaril. |
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