Cara reports positive top-line data from CR845

Cara reports ‘positive’ top-line data from Phase 2/3 trial of I.V. CR845

 

Cara reports positive top-line data from CR845, Stockwinners
Cara reports positive top-line data from CR845, Stockwinners

Cara Therapeutics (CARA) announced positive top-line data from the adaptive Phase 2/3 trial of I.V. CR845 in patients undergoing abdominal surgeries.

At the 1.0 mcg/kg dose, I.V. CR845 demonstrated statistically significant reductions in pain intensity compared to placebo at all pre-specified post-operative periods of 0-6 hours; 0-12 hours; 0-18 hours; and 0-24 hours.

Additionally, I.V. CR845 treatment resulted in statistically significant reductions in the incidence of post-operative nausea and vomiting over the 24-hour period post-surgery for both 0.5 and 1.0 mcg/kg doses.

The adaptive Phase 2/3 trial was a randomized, double-blind, placebo-controlled trial designed to evaluate the analgesic efficacy and safety of two doses of I.V. CR845 versus placebo given at pre-specified intervals pre- and post-surgery in 444 patients undergoing abdominal surgery, composed of 228 patients who underwent ventral hernia surgery and 216 patients who completed a hysterectomy procedure.

Patients received a 2X loading dose of I.V. CR845 pre-surgery and four additional doses given at 0, 6, 12 and 18 hours after surgery. The primary endpoint was pain relief as measured by Area Under the Curve of the Numerical Rating Scale pain intensity scores collected over the first 24-hour period after the baseline dose post-surgery for all combined surgeries.

In addition to safety, the secondary endpoints included incidence of vomiting, improvement in impact scores of post-operative nausea and vomiting, reduction in use of rescue analgesic medication, as well as patient global assessment at 24 hours post baseline dose after surgery. I.V. CR845 achieved statistical significance for the primary endpoint of pain relief over 24 hours post-surgery with the 1.0 mcg/kg dose versus placebo and also demonstrated statistical significance across two additional pre-specified sensitivity analyses for pain relief for the same period post-surgery. The 0.5 mcg/kg dose did not achieve statistical significance over the 0-24 hour period.

In addition, improvement in pain AUC was statistically significant for both the 0.5 and 1.0 mcg/kg doses over 0 to 6 hours and 0 to 12 hours periods and also statistically significant for the 1.0 mcg/kg dose over the 0 to 18-hour period post-surgery.

At 6 and 24 hours after baseline dose post-surgery, there were statistically significant improvements in PONV impact scores with both doses of I.V. CR845 compared to placebo: 0.5 mcg/kg and 1.0 mcg/kg. There were statistically significant differences between placebo and both doses of CR845 with respect to the total use of anti-emetic medication over the first 24 hours post-surgery.

The percentage of patients who did not take any anti-emetic medication over 24 hours was 56% for placebo compared to 70% for CR845 0.5 mcg/kg and 81% for CR845 1.0 mcg/kg.

There was a 73% reduction in the incidence of patient-reported vomiting in the group receiving the 1.0 mcg/kg dose versus placebo. Although the 0.5 mcg/kg also showed reduction in vomiting, it did not reach statistical significance.

Both doses of I.V. CR845 exhibited numerical trends toward reduced use of rescue analgesic medication compared to placebo, but did not achieve statistical significance.

There was no significant effect, compared to placebo, on patient’s global assessment of medication for either dose of I.V. CR845 over the 24-hour period. Common adverse effects reported in the placebo and both I.V. CR845 groups were generally low and similar in incidence, and included nausea, constipation, vomiting, flatulence, headache and dyspepsia.

CARA closed at $16.44, it last traded at $22.25.


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