---
title: Ambrx Presents New Phase 1 Trial Results for Lead Program ARX788
description: Ambrx Presents New Phase 1 Trial Results for Lead Program ARX788
---

[News ](https://www.yourway.com/news)

# [Ambrx Presents New Phase 1 Trial Results for Lead Program ARX788](https://www.yourway.com/news/ambrx-presents-new-phase-1-trial-results-for-lead-program-arx788)

 Written by [Yourway](https://www.yourway.com/news/author/yourway) | December 17, 2020

Ambrx has [presented ](https://www.prnewswire.com/news-releases/ambrx-presents-phase-1-trial-data-update-and-phase-23-clinical-trial-in-progress-for-lead-program-arx788-at-the-2020-san-antonio-breast-cancer-symposium-301190668.html)new results on their lead program ARX788, a homogeneous and highly stable, site-specific antibody drug conjugate targeting HER2 positive cancers. "[...] Phase 1 studies demonstrated promising antitumor activity in heavily pre-treated cancer patients at the recommended Phase 2 dose", said Joy Yan, MD, PhD, Ambrx Chief Medical Officer. The randomized controlled Phase 2/3 has treated 22 subjects and continues to enroll patients quickly. Yourway is delighted about the positive results and continues to support the fight against cancer.

[View full post](https://www.yourway.com/news/ambrx-presents-new-phase-1-trial-results-for-lead-program-arx788)

```json
{
  "@context" : "http://schema.org",
  "@type" : "BlogPosting",
  "author" : {
    "@type" : "Person",
    "name" : "Yourway"
  },
  "dateModified" : "2020-12-17T10:00:00.428Z",
  "datePublished" : "2020-12-17T10:00:00Z",
  "headline" : "Ambrx Presents New Phase 1 Trial Results for Lead Program ARX788",
  "image" : {
    "@type" : "ImageObject",
    "height" : 788,
    "url" : "https://f.hubspotusercontent30.net/hubfs/5402331/images/news_june/july/iStock-1213545891.jpg",
    "width" : 1400
  },
  "mainEntityOfPage" : "https://www.yourway.com/news/ambrx-presents-new-phase-1-trial-results-for-lead-program-arx788",
  "publisher" : {
    "@type" : "Organization",
    "logo" : {
      "@type" : "ImageObject",
      "height" : 60,
      "url" : "/hs/hsstatic/content_shared_assets/static-1.4092/img/default-amp-logo.png",
      "width" : 60
    },
    "name" : "News"
  }
}
```