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Ritter Reports New Results in Lactose Intolerance Trial
Ritter Pharmaceuticals (NASDAQ:RTTR) announced new findings from its Phase 2b/3 studies for RP-G28 treating subjects with lactose intolerance.
Ritter Pharmaceuticals (NASDAQ:RTTR) announced new findings from its Phase 2b/3 studies for a lactose intolerance treatment using RP-G28.
As quoted in the press release:
Results from the 377-subject trial show a clinically meaningful benefit to subjects in the reduction of lactose intolerance symptoms across a variety of outcome measures. The majority of analyses showed positive outcome measures and the robustness of the data point to a clear drug effect. Based on these trial results, the Company believes that the successful completion of a confirmatory Phase 3 program could be adequate to support a New Drug Application (NDA) submission and therefore has requested an end-of-Phase 2 meeting with the U.S. Food and Drug Administration (FDA).
About the Trial and RP-G28
The Phase 2b/3, multi-center, randomized, doubled-blind, placebo-controlled, parallel-group study was designed to determine the efficacy, safety, and tolerability of two dosing regimens of RP-G28 in subjects with lactose intolerance. RP-G28 is a novel, non-digestible oligosaccharide of ultra-high purity developed to modulate the gut microbiome by stimulating and adapting the bacteria in the gastrointestinal (GI) tract to metabolize lactose to improve lactose tolerance. The pre-specified primary endpoint was the proportion of subjects who were abdominal symptom responders comparing the two active dose groups combined versus placebo using a two-sided test at the alpha=0.05 level of significance. An abdominal symptom responder represents a clinically meaningful reduction, defined, as a subject showing lessening of a composite symptom score comprised of abdominal pain, abdominal cramping, abdominal bloating and gas movement.
Primary Endpoint
The primary endpoint established in this trial focused on defining and best quantifying a clinically meaningful benefit to patients suffering from lactose intolerance to support product approval and labeling claims. This endpoint was discussed with the FDA in a Type C informational meeting prior to un-blinding the data and incorporates the agency’s recommendations.
Topline Trial Results
The primary endpoint met statistical significance, in which 40% of the pooled dosing group and 26% of the placebo group responded (p=0.0159). Because the primary analysis was statistically significant, the primary endpoint comparison between the high dose group and the placebo group was then tested and also met statistical significance. This endpoint compared the high dose group, of which 38% of whom were treatment responders compared to the placebo group of which 26% of whom were treatment responders (p=0.0294). The comparison between the low dose group and the placebo group further met statistical significance (p=0.0434). Due to significant irregularities demonstrated at one study center, the data from this center were excluded from the primary analysis population (n=296). The Company is continuing to examine this site’s significant differences from the other clinical centers.
In the entire study population taking at least one dose of drug (n=368), including the excluded center, the comparison between the pooled treatment groups and the placebo group narrowly missed statistical significance (p=0.0618), in which 40% of the pooled treatment group responded compared to 31% of the placebo group. Both low dose and high dose group arms demonstrated a higher proportion of responders than the placebo group.
No significant adverse events (SAEs) were reported from treatment. Safety measurements showed no difference between treatment and placebo patients.
About Ritter Pharmaceuticals
Ritter Pharmaceuticals, Inc. (www.RitterPharma.com, @RitterPharma) develops novel therapeutic products that modulate the gut microbiome to treat gastrointestinal diseases. Its lead product, RP-G28, has the potential to become the first FDA-approved treatment for lactose intolerance, a condition that affects millions worldwide. The Company is further exploring the functionality and discovering the therapeutic potential gut microbiome changes may have on treating/preventing a variety of conditions including: gastrointestinal diseases, immuno-oncology, metabolic, and liver disease.
Click here to read the full press release.
Source: www.ritterpharmaceuticals.com
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