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Recombinant Human Relaxin in the Treatment of Diffuse Scleroderma

A Randomized, Double-Blind, Placebo-Controlled Trial of Recombinant Human Relaxin in the Treatment of Systemic Sclerosis With Diffuse Scleroderma

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00704665
Enrollment
231
Registered
2008-06-25
Start date
1998-12-31
Completion date
2001-12-31
Last updated
2008-06-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Systemic Sclerosis

Keywords

Diffuse Scleroderma, Skin score

Brief summary

Relaxin is a naturally occurring protein prduced by the ovary or placenta in pregnancy. It has ani-fibrotic properties. Previous studies have shown that relaxin is safe at concentrations upto 60 times higher than achieved in pregnancy. Study is designed to see if skin improvement and improvement in functional ability can be achieved.

Interventions

10 ug/kg/day or 25 ug/kg/day

Sponsors

University of California, Los Angeles
CollaboratorOTHER
Boston University
CollaboratorOTHER
University of Chicago
CollaboratorOTHER
UConn Health
CollaboratorOTHER
Johns Hopkins University
CollaboratorOTHER
University of Pittsburgh
CollaboratorOTHER
Medical University of South Carolina
CollaboratorOTHER
Stanford University
CollaboratorOTHER
Georgetown University
CollaboratorOTHER
University of California, San Diego
CollaboratorOTHER
Wayne State University
CollaboratorOTHER
University of Colorado, Denver
CollaboratorOTHER
Medical College of Wisconsin
CollaboratorOTHER
University of Medicine and Dentistry of New Jersey
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Men and women 18 to 70 years of age with diffuse SSc * Disease duration 5 years since the onset of the first non-Raynaud sign or symptom * A baseline modified Rodnan skin score (MRSS) of 20 or greater, or at least 16 if truncal involvement was present. * Recombinant human relaxin (10 or 25 ug/kg/day), or placebo was administered for 24 weeks as a continuous subcutaneous infusion and there was a follow-up safety visit at week 28.

Design outcomes

Primary

MeasureTime frame
MRSSbaseline, weeks 4,12, and 24

Secondary

MeasureTime frame
HAQ-DIbaseline, weeks 4, 12, and 24

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026