Gastrointestinal Elimination of Perfluorinated Compounds Using Cholestyramine and Chlorella pyrenoidosa
Table 2
Removal of persistent perfluorinated compounds with cholestyramine and chlorella—male Subjects. Objective. To assess whether CSM is consistently effective at removing PFCs from 4 male patients with high PFC levels; posttreatment stool level: after daily CSM or after daily CP. Units—ng/g: blood and ng/g: stool.
Subject
Type of test
PFHxS
PFOS
PFOA
PFNA
#5 male 54
Serum
34.5**
8.58
1.97
0
Pretreatment stool
<1.0
<1.0
<1.0
<1.0
Post-CSM stool
59.4
4.1
<1.0
<1.0
Post-CP stool
<1.0
<1.0
<1.0
<1.0
#6 male 25
Serum
30.3**
11.3
3.99
0.89
Pretreatment stool
1
1.3
<1.0
1.1
Post-CSM Stool
13.7
<1.0
1.4
<1.0
Post-CP Stool
<1.0
<1.0
<1.0
<1.0
#7 male 19
Serum
92.1**
58.8
5.13
0.54
Pretreatment stool
1.1
<1.0
<1.0
<1.0
Post-CSM Stool
30.1
23.4
1.2
<1.0
Post-CP Stool
<1.0
<1.0
<1.0
<1.0
#8 male 17
Serum
46.5**
37.5
3.99
0
Pretreatment stool
1.8
<1.0
<1.0
<1.0
Post-CSM Stool
24.7
4.5
1.3
<1.0
Post-CP Stool
1.2
<1.0
<1.0
<1.0
Denotes PFC serum value above 95th percentile, NHANES study.