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First-in-human Study With the Antibody-drug Conjugate SYD985 to Evaluate Safety and Efficacy in Cancer Patients

Solid Tumors Clinical Trial

Official title:
A Two Part First-in-human Phase I Study (With Expanded Cohorts) With the Antibody-drug Conjugate SYD985 to Evaluate the Safety, Pharmacokinetics and Efficacy in Patients With Locally Advanced or Metastatic Solid Tumors

Clinical Trial Summary

The purpose of this study is to evaluate the safety of a new medicinal drug SYD985 at different dose levels in patients with cancer, to understand how SYD985 is handled by the body and to evaluate the effect of SYD985 on the cancer.

Clinical Trial Description

Cancer cells can have different kinds of proteins on their cell surface; one of these is the protein HER2. HER2 plays an important role in the development of cancer. High expression of HER2 is related to poor prognosis. Although several cancer drugs are available that work via the HER2 protein, a substantial portion of these patients still does not benefit from these treatments. The new cancer drug SYD985 is being developed by Synthon Biopharmaceuticals B.V. SYD985 is an antibody-drug conjugate and consists of two parts: an antibody and a linker-drug moiety containing a toxin. The antibody part binds to HER2 on the surface of the cancer cell. When SYD985 binds to this cancer cell, it will be internalized by the cell. After proteolytic cleavage of the linker, the toxin will be split off in the cell and the cancer cell will be killed. Thus, SYD985 can be considered as a form of targeted chemotherapy. This is the first study in which SYD985 is administered to humans. The study consists of two parts: Part I is the dose-escalation part in which a low dose of SYD985 is given to three cancer patients. If it is well tolerated, a higher dose of SYD985 will be given to 3 other cancer patients. This will continue until a further dose increase is not safe anymore. In Part II of the study, several groups of patients with a specific type of cancer will receive the SYD985 dose which has been selected for further evaluation. All patients from both parts of the study will receive SYD985 infusions every three weeks until progression of the cancer or unacceptable toxicity develops. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02277717
Study type Interventional
Source Byondis B.V.
Contact
Status Completed
Phase Phase 1
Start date October 2014
Completion date October 2019
View Details
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