Skip to main content
. Author manuscript; available in PMC: 2009 Jul 23.
Published in final edited form as: Clin Chem. 2007 Nov 2;54(1):172–180. doi: 10.1373/clinchem.2007.092304

Table 2.

Methamphetamine and amphetamine mass per sweat patch worn for 15 h at the end of each day after administration of 4 daily low (10 mg) or high (20 mg) MAMP doses.

MAMP AMP MAMP AMP MAMP AMP MAMP AMP
Low dose
n 8 8 7 7 8 8 8 8
≥LOQ, na 5 0 5 3 5 2 6 3
Median ng/patch
(range)
11.2
(5.3–42.3)
ND 32.5
(5.0–82.1)
9.5
(2.9–9.8)
5.9
(2.8–72.4)
10.2
(8.0–12.4)
23.7
(16.8–104)
4.8
(2.8–20.1)
≥25 ng/patch, n 1 0 3 0 1 0 3 0
≥SAMHSA, nb 0 0 2 0 1 0 2 0
High dose
n 4 4 4 4 3 3 3 3
≥LOQ, na 4 3 3 3 3 3 3 2
Median ng/patch
(range)
28.3
(18.9–103)
5
(3.3–8.4)
70.6
(22.7–215)
15.8
(5.1–21.5)
68.5
(15.8–148)
8.5
(3.9–19.4)
17.1
(11.5–74.8)
8.1
(5.2–11.0)
≥25 ng/patch, n 2 0 2 0 2 0 1 0
≥SAMHSA, nb 2 0 2 0 2 0 1 0
a

LOQ 2.5 ng/patch.

b

Criteria for MAMP positive result: MAMP ≥25 ng/patch, AMP ≥ limit of detection.