~57 spots leftby Apr 2026

Ketotifen for Joint Contracture

(PERK2 Trial)

Recruiting at15 trial locations
KA
Overseen byKevin A Hildebrand, MD, FRCSC
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 3
Waitlist Available
Sponsor: University of Calgary
Pivotal Trial (Near Approval)
Prior Safety Data

Trial Summary

What is the purpose of this trial?

PrEvention of posttraumatic contractuRes with Ketotifen 2 (PERK 2) is a Phase III randomized, controlled, double blinded multicenter trial with 3 parallel groups (Ketotifen 2 mg or 5 mg or lactose placebo twice daily orally for 6 weeks) and a primary endpoint of elbow extension-flexion range of motion (ROM) arc at 12 weeks post-randomization.

Research Team

KA

Kevin A Hildebrand, MD, FRCSC

Principal Investigator

University of Calgary and Alberta Health Services

Eligibility Criteria

Adults over 18 with recent elbow injuries (fractures or dislocations) suitable for surgery, without prior elbow issues, severe kidney/liver problems, lactose intolerance, epilepsy, diabetes on oral medication, or pregnancy. Participants must be willing to use contraception and commit to follow-up visits.

Inclusion Criteria

I have a fracture or dislocation in my elbow area.
I had surgery for an elbow fracture or dislocation.
Injury ≤ 10 days
See 2 more

Exclusion Criteria

I have a history of epilepsy.
Lactose intolerance
Language or Cognitive difficulties preventing reliable completion of questionnaires
See 14 more

Treatment Details

Interventions

  • Ketotifen Fumarate (Antihistamine)
  • Lactose Placebo (Drug)
Trial OverviewThe PERK 2 trial is testing the effectiveness of Ketotifen Fumarate at two different doses (2mg and 5mg) versus a placebo in improving movement range in the elbow after injury. It's a Phase III study where patients are randomly assigned to one of three groups and treated for six weeks.
Participant Groups
3Treatment groups
Active Control
Placebo Group
Group I: Ketotifen Fumarate - 5mgActive Control2 Interventions
Ketotifen Fumarate 5 mg by mouth twice per day
Group II: Ketotifen Fumarate - 2mgActive Control2 Interventions
Ketotifen Fumarate 2 mg by mouth twice per day
Group III: Lactose PlaceboPlacebo Group1 Intervention
Lactose Placebo by mouth twice per day

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of Calgary

Lead Sponsor

Trials
827
Recruited
902,000+
Dr. Shweta Patel profile image

Dr. Shweta Patel

University of Calgary

Chief Medical Officer since 2020

MD from the University of Baroda Medical College, India

Dr. Edward McCauley profile image

Dr. Edward McCauley

University of Calgary

President and Vice-Chancellor since 2018

PhD in Ecology and Evolutionary Biology from the University of California, Santa Barbara

United States Department of Defense

Collaborator

Trials
940
Recruited
339,000+

Pete Hegseth

United States Department of Defense

Chief Executive Officer

Bachelor's degree in Political Science from Princeton University, JD from Harvard Law School

Lisa Hershman

United States Department of Defense

Chief Medical Officer since 2021

MD from Uniformed Services University of the Health Sciences