CI

At a glance

ClinicalIndex Comparison Record
Phase 3Recruiting· 374 target
Drug / intervention
SPH4336 Tablets 400mg +1 moredrug
Likely dose
SPH4336 Tablets 400mgfrom record
Key inclusion· 6
  • Female, aged 18-75 years
  • ECOG performance status 0 or 1
  • Life expectancy at least 3 months
  • Locally advanced or metastatic breast cancer, hormone receptor positive and HER2 negative, unable to receive radical surgery/other local therapies
Key exclusion· 17
  • Prior treatment with CDK4/6 inhibitor
  • Inflammatory breast cancer
  • Unsuitable for endocrine therapy per investigator discretion
  • History of other malignancies within 5 years

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05744687
NCT05744687Phase 3RecruitingMonitorUpdated 10mo ago · Completion was 1mo ago
Slow Enrollment
Long Recruiting
Monitor

Randomized, Double-blind, Placebo-controlled, Phase II/III Study of SPH4336 Combined With Letrozole vs Placebo Combined With Letrozole in First-line Treatment of HR-positive, HER2-negative Locally Advanced or Metastatic Breast Cancer

Shanghai Pharmaceuticals Holding Co., Ltd·interventional·Posted Feb 27, 2023·Updated Aug 17, 2025

In Brief

A Phase 3 clinical trial evaluating SPH4336 Tablets 400mg and SPH4336 Tablets Placebo for Locally Advanced or Metastatic Breast Cancer. Currently recruiting, targeting 374 participants across 9 sites.

Signals

Enrolling slower than its timeline implies

Detailed Summary

This study is designed to evaluate the safety and efficacy of SPH4336 combined with letrozole in first-line treatment of locally advanced or metastatic breast cancer

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesChina
Collaborators--

Timeline

Phase 3RecruitingOverdue
202420252026
First PostedFeb 27, 2023
Enrollment StartApr 24, 2023
Primary CompletionMay 31, 2026
TodayJul 2, 2026
Enrollment to primary: 3.1 yearsPosted 3.3 years ago

Interventions

SPH4336 Tablets 400mgdrug

SPH4336 Tablets :Orally, 400mg once a day; 28 days/cycle Letrozole tablets :Orally, 2.5mg once a day; 28 days/cycle

SPH4336 Tablets Placebodrug

SPH4336 Tablets Placebo:Orally,28 days/cycle Letrozole tablets :Orally, 2.5mg once a day; 28 days/cycle