Systemic sclerosis & Raynaud's

An exploratory trial of a single dose of CAM2043 (treprostinil subcutaneous depot) in SSc-related RP

Rheumatology (Oxford)Published Exploratory single-group trial

Primary result · AUCtherm for rewarming, mean increase vs baselineResult — go to the resultMean increase 192.7 °C×sec 95% CI −727.1 to 1112.6

Study context

Population
Female patients with SSc-related RP (median age 54.0 years)all female
Participants
10 patients
Comparison
Single SC dose of CAM2043 2.5 mg, post-dose vs baseline
  • CAM2043n = 10
Primary endpoint
Mean change in area under the temperature-time curve (AUCtherm) for rewarming (eight fingers) after cold challenge, vs baseline
Follow-up
6 h
Methodological detailsPhase 2, open-label, single-dose
  • Phase 2
  • Open-label
  • Single-dose

Primary result

As reported in the abstract

AUCtherm for rewarming, mean increase vs baseline

Mean increase

192.7 °C×sec

95% CI −727.1 to 1112.6

6 h post-dosevs Baseline
mean increase 192.7 °C×sec (95% CI −727.1 to 1112.6)

Further findings

AUCtherm for rewarming, change from baseline · 24 h

Mean increase, significantly greater than baseline
1175.8°C × sec (95% CI: 127.3, 2224.3)
  • Returning to baseline values by day 15

Maximum temperature after rewarming, change from baseline · 24 h

Significant increase from baseline
1.4°C (95% CI: 0.1, 2.7)

Raynaud's Condition Score · day 8

Baseline, mean (SD) units
3.7 [1.3]
Mean reduction at day 8, significant improvement
1.6 units (95% CI: −2.68, −0.52)
  • Improved significantly post-dosing

Safety

Patients reporting adverse events (all patients)
10
Erythema and pain at the injection site reported by all patients

Original publication

An exploratory trial of a single dose of CAM2043 (treprostinil subcutaneous depot) in SSc-related RP. Rheumatology (Oxford). Published 29 May 2025. doi:10.1093/rheumatology/keaf291

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