Clinical Trials and Studies

Please find below a list of active, ongoing, non-Phase 1 studies sponsored by Endo. For studies that are required to be listed on, you can access additional detail about individual studies by clicking on the link or navigating to and search using the identifier number listed. For inquiries about our ongoing clinical trials, please contact us at

Study ID

Study Description


Study Phase/Type

Recruitment Status* / Identifier (if applicable)
EN3835-201 A Phase 2, randomized, double-blind, placebo-controlled study of EN3835 in the treatment of edematous fibrosclerotic panniculopathy Collagenase clostridium histolyticum Phase IIb Active, not recruiting
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EN3835-202 A Phase 2, Open-Label Extension Study of EN3835 in the Treatment of Edematous Fibrosclerotic Panniculopathy Collagenase clostridium histolyticum Phase 2 Enrolling by invitation
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*Recruitment Status


Not yet recruiting

participants are not yet being recruited

participants are currently being recruited
Enrolling by invitation

participants are being (or will be) selected from a predetermined population
Active, not recruiting study is ongoing (i.e., patients are being treated or examined), but participants are not currently being recruited or enrolled
Completed the study has concluded normally; participants are no longer being examined or treated (i.e., last patient's last visit has occurred)

recruiting or enrolling participants has halted prematurely but potentially will resume
Terminated recruiting or enrolling participants has halted prematurely and will not resume; participants are no longer being examined or treated
Withdrawn study halted prematurely, prior to enrollment of first participant


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About Endo


Endo International plc is a highly focused generics and specialty branded pharmaceutical company delivering quality medicines to patients in need through excellence in development, manufacturing and commercialization. Endo has global headquarters in Dublin, Ireland, and U.S. headquarters in Malvern, PA.