Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 3, 2026, 8:54 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Phase 3 Interventional Results available

A Study of AA4500 in Men With Peyronie's Disease

NCT01243411
Conditions
Peyronie's Disease
Interventions
AA4500
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
13
States / cities
Burbank, California • Middlebury, Connecticut • New Haven, Connecticut + 10 more
Conditions
Adhesive Capsulitis, Frozen Shoulder
Interventions
AA4500 0.29 mg/1 mL, AA4500 0.58 mg/2 mL, AA4500 0.58 mg/1 mL, AA4500 0.58 mg/0.5 mL, Shoulder exercises
Biological · Other
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
15
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 12 more
Conditions
Advanced Dupuytren's Disease
Interventions
AA4500
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 12 more
Completed Phase 4 Interventional Results available

Retreatment of Recurrent Dupuytren's Contractures

NCT01498640
Conditions
Dupuytren's Disease
Interventions
Collagenase clostridium histolyticum
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Phoenix, Arizona • Rockford, Illinois • Indianapolis, Indiana + 4 more
Conditions
Dupuytren's Contracture
Interventions
AA4500 collagenase clostridium histolyticum
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
4
States / cities
Tucson, Arizona • Indianapolis, Indiana • Stony Brook, New York + 1 more
Conditions
Dupuytren's Contracture
Interventions
collagenase clostridium histolyticum
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Burbank, California
Conditions
Peyronie's Disease
Interventions
AA4500
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Burbank, California
Completed Phase 3 Interventional Results available

Collagenase in the Treatment of Dupuytrens Disease

NCT00260429
Conditions
Dupuytren's Disease
Interventions
collagenase clostridium histolyticum
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
Stony Brook, New York
Conditions
Edematous Fibrosclerotic Panniculopathy (EFP)
Interventions
Collagenase Clostridium Histolyticum, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
10
States / cities
San Diego, California • Santa Monica, California • Coral Gables, Florida + 7 more
Conditions
Advanced Dupuytren's Disease
Interventions
collagenase clostridium histolyticum
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
14
States / cities
Phoenix, Arizona • Tucson, Arizona • Burbank, California + 10 more
Conditions
Dupuytren's Contracture
Interventions
XIAFLEX / XIAPEX
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
25
States / cities
Phoenix, Arizona • Tucson, Arizona • Encinitas, California + 22 more
Conditions
Adhesive Capsulitis, Frozen Shoulder
Interventions
Collagenase Clostridium Histolyticum, Placebo
Biological · Other
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
35
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 31 more
Completed Phase 3 Interventional Results available

Study of AA4500 in the Treatment of Peyronie's Disease

NCT01221623
Conditions
Peyronie's Disease
Interventions
AA4500, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
29
States / cities
Mobile, Alabama • Anchorage, Alaska • Phoenix, Arizona + 26 more
Conditions
Dupuytren's Disease
Interventions
Not listed
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
645 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
23
States / cities
Phoenix, Arizona • Tucson, Arizona • Burbank, California + 20 more
Conditions
Peyronie's Disease
Interventions
Subjects Previously Treated with AA4500
Drug
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years to 90 Years · Male only
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
30
States / cities
Anchorage, Alaska • Burbank, California • Laguna Hills, California + 27 more
Conditions
Dupuytren's Contracture
Interventions
collagenase clostridium histolyticum, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
15
States / cities
Los Angeles, California • Palo Alto, California • Denver, Colorado + 12 more
Conditions
Lipoma
Interventions
AA4500, placebo
Drug
Lead sponsor
Gerut, Zachary, M.D.
Individual
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Hewlett, New York • Nashville, Tennessee
Conditions
Dupuytren's Disease
Interventions
Collagenase clostridium histolyticum, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
9
States / cities
Tucson, Arizona • Encinitas, California • Greenbrae, California + 6 more
Completed Phase 3 Interventional Results available

Study of AA4500 in the Treatment of Peyronie's Disease

NCT01221597
Conditions
Peyronie's Disease
Interventions
AA4500, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
29
States / cities
Homewood, Alabama • Phoenix, Arizona • Burbank, California + 25 more
Conditions
Peyronie's Disease
Interventions
AA4500, Placebo
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
12
States / cities
Burbank, California • Middlebury, Connecticut • New Haven, Connecticut + 9 more
Conditions
Edematous Fibrosclerotic Panniculopathy, Cellulite
Interventions
COLLAGENASE CLOSTRIDIUM HISTOLYTICUM
Biological
Lead sponsor
Endo USA Inc., a Keenova Therapeutics Company
Industry
Eligibility
21 Years to 60 Years · Female only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland