1. Had a diagnosis of PHN, DN, CRPS, carpal tunnel syndrome, HIV neuropathy, idiopathic sensory neuropathy, or other peripheral neuropathy (upon mutual agreement of the sponsor and investigator) 
2. Patients with PHN must have had pain >3 months after rash healing 
3. Patients with DN must have had Type I or II diabetes and painful distal symmetric sensorimotor polyneuropathy with or without dynamic allodynia of the lower extremities 
4. Patients with CRPS must have met current IASP (International Association for the Study of Pain) diagnostic criteria 
5. Patients with carpal tunnel syndrome must have had a diagnosis by combination clinical neurological examination (e.g., Phalen's and Tinel's signs), electrodiagnostic testing, and daily painful symptoms of at least 3 months' duration 
6. Patients with HIV neuropathy must have had HIV, subjective symptoms of painful peripheral neuropathy, and daily painful symptoms of at least 3 months' duration 
7. Patients with idiopathic sensory neuropathy must have had pain of at least 3 months' duration 
8. Reached an average daily pain rating during the baseline week of pain ratings greater than 4 on the 0-to-10 numerical pain rating scale (Question 5 of the BPI) 
9. Had never received an analgesic regimen that contained lidocaine or gabapentin 

NCT00904202_inc_T1
Condition
PHN
NCT00904202_inc_T2
Condition
DN
NCT00904202_inc_T3
Condition
CRPS
NCT00904202_inc_T4
Condition
carpal tunnel syndrome
NCT00904202_inc_T5
Condition
HIV neuropathy
NCT00904202_inc_T6
Condition
neuropathy
NCT00904202_inc_T7
Condition
HIV
NCT00904202_inc_T8
Condition
sensory neuropathy
NCT00904202_inc_T9
Qualifier
idiopathic
NCT00904202_inc_T10
Condition
peripheral neuropathy
NCT00904202_inc_T11
Condition
PHN
NCT00904202_inc_T12
Multiplier
>3 months
NCT00904202_inc_T13
Temporal
after rash healing
NCT00904202_inc_T14
Reference_point
rash healing
NCT00904202_inc_T15
Condition
rash healing
NCT00904202_inc_T16
Condition
pain
NCT00904202_inc_T17
Condition
DN
NCT00904202_inc_T18
Condition
Type I diabetes
NCT00904202_inc_T19
Condition
Type II diabetes
NCT00904202_inc_T20
Qualifier
painful
NCT00904202_inc_T21
Qualifier
distal
NCT00904202_inc_T22
Qualifier
symmetric
NCT00904202_inc_T23
Condition
sensorimotor polyneuropathy
NCT00904202_inc_T24
Condition
dynamic allodynia
NCT00904202_inc_T25
Scope
Type I or II diabetes and painful distal symmetric sensorimotor polyneuropathy
NCT00904202_inc_T27
Condition
CRPS
NCT00904202_inc_T28
Measurement
IASP (International Association for the Study of Pain) diagnostic criteria
NCT00904202_inc_T29
Value
met
NCT00904202_inc_T30
Condition
carpal tunnel syndrome
NCT00904202_inc_T31
Procedure
clinical neurological examination
NCT00904202_inc_T32
Condition
Phalen's signs
NCT00904202_inc_T33
Condition
Tinel's signs
NCT00904202_inc_T34
Scope
Phalen's and Tinel's signs
NCT00904202_inc_T35
Procedure
electrodiagnostic
NCT00904202_inc_T36
Multiplier
daily
NCT00904202_inc_T37
Temporal
at least 3 months' duration
NCT00904202_inc_T38
Condition
painful symptoms
NCT00904202_inc_T39
Condition
HIV neuropathy
NCT00904202_inc_T40
Condition
HIV
NCT00904202_inc_T41
Condition
subjective symptoms
NCT00904202_inc_T42
Condition
peripheral neuropathy
NCT00904202_inc_T43
Qualifier
painful
NCT00904202_inc_T44
Multiplier
daily
NCT00904202_inc_T45
Condition
painful symptoms
NCT00904202_inc_T46
Temporal
at least 3 months' duration
NCT00904202_inc_T47
Scope
HIV, subjective symptoms of painful peripheral neuropathy, and daily painful symptoms of at least 3 months' duration
NCT00904202_inc_T48
Condition
idiopathic sensory neuropathy
NCT00904202_inc_T49
Condition
pain
NCT00904202_inc_T50
Temporal
at least 3 months' duration
NCT00904202_inc_T51
Measurement
daily pain rating
NCT00904202_inc_T52
Temporal
during the baseline week
NCT00904202_inc_T53
Reference_point
baseline week
NCT00904202_inc_T54
Qualifier
average
NCT00904202_inc_T55
Value
greater than 4
NCT00904202_inc_T56
Procedure
0-to-10 numerical pain rating scale
NCT00904202_inc_T57
Drug
analgesic regimen
NCT00904202_inc_T58
Drug
lidocaine
NCT00904202_inc_T59
Drug
gabapentin
NCT00904202_inc_T60
Scope
lidocaine or gabapentin