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Poster Display session 2

2090 - Phase 1b/2a study assessing the safety and efficacy of adding AL3818 (Anlotinib) to standard platinum-based chemotherapy in subjects with recurrent or metastatic endometrial, ovarian or cervical carcinoma

Date

29 Sep 2019

Session

Poster Display session 2

Topics

Tumour Site

Ovarian Cancer

Presenters

David Miller

Citation

Annals of Oncology (2019) 30 (suppl_5): v403-v434. 10.1093/annonc/mdz250

Authors

D. Miller1, D.S. Miller2, E. Cheung3, M. Huang4, M. Schlumbrecht4, A. Garcia5, M. Loch6, A. Jernigan5, Z. Li7, M. Chen7, J. Chen7

Author affiliations

  • 1 Gynecological Oncology, UT Southwestern Medical Center, 75390 - Dallas/US
  • 2 Obstetrics & Gynecology, University of Texas Southwestern Medical Center at Dallas, 75390 - Dallas/US
  • 3 -, Institution Innovative Clinical Research Institute, Whittier/US
  • 4 -, University of Miami, Miami/US
  • 5 Medicine, Louisiana State University, 70112 - New Orleans/US
  • 6 -, Louisiana State University, 70112 - New Orleans/US
  • 7 -, Advenchen laboratories, Moorpark/US

Resources

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Abstract 2090

Background

AL 3818 (Anlotinib, Catequentinib) is a novel small molecule tyrosine kinase inhibitor that is administered orally. The primary objective of this study is to evaluate the safety, tolerability, and efficacy of adding AL3818, to standard platinum-based plus/or paclitaxel chemotherapy in patients with recurrent or metastatic endometrial, ovarian or cervical carcinoma in Phase 1b/2a studies.

Methods

Patients with a diagnosis of recurrent or metastatic endometrial, ovarian, or cervical carcinomas requiring ≥ 2nd line treatment with standard platinum-based chemotherapy were eligible for enrollment on a 21 days cycle. In the Phase 1b study, after chemotherapy at Day 1, patients were started on Day 8 with daily AL 3818 at an initial dose of 12 mg for 14 days on a 21 day cycle. A 3 + 3 dose de-escalation design to 10mg, 8mg, and 6mg to determine the recommended Phase II dose (RP2D) was utilized. In the Phase 2a study, patients were treated with the RP2D in combination with either combination platinum based therapy or single agent paclitaxel based on origin of disease. 1st line endometrial patients are allowed. Maintenance monotherapy with AL3818 was given after chemotherapy stopped.

Results

In the Phase 1b study: (1) 9 subjects with recurrent or metastatic endometrial, ovarian or cervical carcinomas participated with RP2D determined; (2) common treatment emergent adverse event (TEAE) include abdominal pain), alopecia, anemia, arthralgia, asthenia, back pain, and constipation. Overall, most TEAEs were well tolerated by subjects. In Phase 1b and 2a studies: (1) the objective response rate (ORR) and disease control rate (DCR) were 58% and 79% for 19 evaluable endometrial subjects; (2) ORR and DCR were 50% and 93% for all 14 evaluable ovarian subjects; (3) 48 subjects with recurrent or metastatic endometrial, ovarian, and cervical carcinoma were enrolled in the Phase 2a study.

Conclusions

AL3818 has demonstrated positive combined synergic efficacy with standard platinum-based plus/or paclitaxel chemotherapy in both endometrial and ovarian cancer patients.

Clinical trial identification

NCT02584478.

Editorial acknowledgement

Legal entity responsible for the study

Advenchen Laboratories, LLC.

Funding

Advenchen Laboratories.

Disclosure

Z. Li: Full / Part-time employment: Advenchen laboratories. M. Chen: Full / Part-time employment: Advenchen laboratories. J. Chen: Full / Part-time employment: Advenchen laboratories. All other authors have declared no conflicts of interest.

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