Lupin announces results of phase 3 study of Single-Dose Solosec for the treatment of Trichomoniasis

Primary endpoint successfully achieved in Phase 3 clinical trial of 147 patients

Lupin pacts with Foncoo Pharmaceuticals China. photo youtube

Lupin Pharmaceuticals announced positive top-line results from its pivotal Phase 3 clinical trial to assess efficacy and safety of single-dose Solosec (secnidazole) 2g oral granules in 147 female patients with trichomoniasis. Trichomoniasis is the most common non-viral, curable sexually transmitted infection (STI) in the US. The trial demonstrated a clinically and statistically significant response rate, or microbiological cure, in patients dosed with Solosec as compared to placebo (p<0.001). Based on the data, Lupin plans to submit a supplemental New Drug Application (sNDA) to the US Food and Drug Administration (FDA) for Solosec for the treatment of trichomoniasis in the second half of 2020. Solosec is approved by the FDA to treat bacterial vaginosis (BV) in adult women.

The trial met its primary endpoint of microbiological cure at the test-of-cure (TOC) visit on study Day 6-12, defined as a negative Trichomonas vaginalis culture. The predefined primary efficacy endpoint, defined as Microbiological Cure (InPouch TV test negative for T vaginalis) at the Test-Of-Cure visit (Day 6-12) in the modified Intent-To-Treat (mITT) population (all randomized subjects who were culture positive for T vaginalis and negative for gonorrhea and chlamydia at baseline), was 92.2% (59/64) for Solosec (secnidazole) versus 1.5% (1/67) for placebo ( p<0.001). In the Per-Protocol population, the cure rate was 94.9% (56/59) for Solosec (secnidazole) versus 1.7% (1/60) for placebo (p<0.001). Solosec (secnidazole) was generally well-tolerated with the most commonly reported adverse events being vulvovaginal candidiasis (2.7%) and nausea (2.7%). No serious adverse events were observed.

“Trichomoniasis impacts an estimated 3 to 5 million people in the US,” Gregory Kaufman, senior vice president, Global Clinical and Medical Affairs, Specialty at Lupin said. “We are encouraged by the topline results of our clinical trial, look forward to finalizing the analysis, and working with the FDA to provide a new single-dose therapy option to physicians and patients, to treat this disease.”


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