1. age 18-65 years, inclusive 
2. diagnosis of moderate to severe AT, confirmed by Dr. Wilson using clinical symptoms and exam findings consistent with chronic AT (>6 month duration) - which includes pain while palpating the intratendinous swelling part of the Achilles tendon and relief of pain when tendon placed under tension - and pre-procedure US 
3. self-reported AT-related pain for at least 6 months and VAS (Visual Analog Scale) pain >5 (0-10 scale) 
4. self-reported failure of eccentric exercise protocol (at least 75% completion) 
5. self-reported failure of at least 2 of the 3 most common treatments for AT (NSAIDS, rest/ice or taping) 
6. patient considered surgery but decided to wait and/or refused surgery - 

NCT01911650_inc_T1
Value
18-65 years, inclusive
NCT01911650_inc_T2
Person
age
NCT01911650_inc_T3
Qualifier
moderate to severe
NCT01911650_inc_T4
Condition
AT
NCT01911650_inc_T6
Condition
chronic AT
NCT01911650_inc_T7
Temporal
>6 month duration
NCT01911650_inc_T8
Condition
pain while palpating the intratendinous swelling part of the Achilles tendon
NCT01911650_inc_T9
Condition
relief of pain when tendon placed under tension
NCT01911650_inc_T10
Condition
AT-related pain
NCT01911650_inc_T11
Observation
self-reported
NCT01911650_inc_T12
Temporal
for at least 6 months
NCT01911650_inc_T13
Measurement
VAS (Visual Analog Scale) pain
NCT01911650_inc_T14
Value
>5
NCT01911650_inc_T15
Qualifier
0-10 scale
NCT01911650_inc_T16
Scope
T-related pain for at least 6 months and VAS (Visual Analog Scale) pain >5 (0-10 scale)
NCT01911650_inc_T17
Condition
failure of eccentric exercise protocol
NCT01911650_inc_T18
Value
at least 75%
NCT01911650_inc_T19
Observation
self-reported
NCT01911650_inc_T20
Observation
self-reported
NCT01911650_inc_T21
Condition
failure of at least 2 of the 3 most common treatments for AT
NCT01911650_inc_T22
Drug
NSAIDS
NCT01911650_inc_T23
Procedure
rest
NCT01911650_inc_T24
Drug
ice
NCT01911650_inc_T25
Procedure
taping
NCT01911650_inc_T26
Scope
NSAIDS, rest/ice or taping
NCT01911650_inc_T27
Procedure
surgery