Stro-002

STRO-002 is an innovative anti-folate receptor alpha (FolRα) antibody-drug conjugate currently being studied in clinical trials for the treatment of advanced ovarian, fallopian tube, primary peritoneal, and endometrial cancers. These trials aim to evaluate the safety, effectiveness, and optimal dosing of STRO-002 alone and in combination with other treatments, offering hope for patients with limited therapeutic options.

Table of Contents

What is STRO-002?

STRO-002 is a new type of cancer treatment called an antibody-drug conjugate (ADC). This means it combines two parts: an antibody (a protein that targets specific cells) and a drug that can kill cancer cells. STRO-002 is designed to specifically target cancer cells while minimizing damage to healthy cells[1].

How Does STRO-002 Work?

STRO-002 works by targeting a protein called folate receptor alpha (FolRα), which is found in high amounts on some cancer cells. The antibody part of STRO-002 attaches to this protein, allowing the drug to be delivered directly to the cancer cells. This targeted approach may help reduce side effects compared to traditional chemotherapy, which affects both healthy and cancerous cells[1].

What Cancers Does STRO-002 Treat?

STRO-002 is being studied for the treatment of several types of cancers, including:

  • Ovarian cancer (also called ovarian carcinoma or ovary cancer)
  • Fallopian tube cancer
  • Primary peritoneal carcinoma (cancer that starts in the lining of the abdomen)
  • Endometrial cancer (cancer of the uterus lining)

These cancers are often grouped together because they behave similarly and are treated in much the same way[1][2].

Clinical Trials for STRO-002

STRO-002 is currently being studied in clinical trials. These are research studies that help doctors understand how well a new treatment works and if it’s safe. There are two main trials for STRO-002:

  1. A Phase 1 trial studying STRO-002 alone in patients with advanced ovarian and endometrial cancers. This trial is looking at different doses of STRO-002 to find the best dose for future studies[1].

  2. Another Phase 1 trial studying STRO-002 in combination with a drug called bevacizumab (also known as Avastin) in patients with advanced ovarian cancer. This trial is trying to see if combining these two drugs might work better than either drug alone[2].

Administration and Dosing

STRO-002 is given as an intravenous (IV) infusion, which means it’s delivered directly into the bloodstream through a vein. In the clinical trials, it’s being given once every 3 weeks. The exact dose is still being determined through the trials[1].

Potential Side Effects

As with any new treatment, understanding the side effects of STRO-002 is an important part of the clinical trials. The researchers are carefully monitoring patients for any adverse events (side effects). They’re also looking at how the drug affects things like blood tests and other laboratory values. This information helps determine if STRO-002 is safe and tolerable for patients[1][2].

Combination Therapy with Bevacizumab

One of the clinical trials is studying STRO-002 in combination with another drug called bevacizumab (Avastin). Bevacizumab is an anti-VEGF agent, which means it works by blocking the growth of new blood vessels that tumors need to grow. By combining these two drugs, researchers hope to see if they can improve the effectiveness of treatment for patients with advanced ovarian cancer[2].

Future Prospects

The ongoing clinical trials for STRO-002 are designed to answer important questions about this new treatment, including:

  • How safe is STRO-002 for patients?
  • What’s the best dose to use?
  • How effective is it at treating cancer?
  • How does the body process the drug (pharmacokinetics)?
  • Does it work better alone or in combination with other drugs?

The results of these trials will help determine if STRO-002 could become a new treatment option for patients with ovarian, endometrial, and related cancers in the future[1][2].

Aspect Details
Drug Name STRO-002
Drug Type Anti-Folate Receptor Alpha (FolRα) Antibody-Drug Conjugate
Administration Intravenous infusion every 3 weeks
Target Cancers Advanced epithelial ovarian cancer, fallopian tube cancer, primary peritoneal cancer, endometrial cancer
Trial Phases Phase 1
Primary Objectives Determine safety, tolerability, maximum tolerated dose (MTD), recommended phase 2 dose (RP2D), preliminary efficacy
Secondary Objectives Characterize pharmacokinetics, assess anti-drug antibody formation, evaluate duration of response and progression-free survival
Combination Study STRO-002 with Bevacizumab

Ongoing Clinical Trials on Stro-002

  • Study on the Effectiveness and Safety of Luveltamab Tazevibulin Compared to Chemotherapy in Women with Relapsed Platinum-resistant Ovarian Cancer

    Not yet recruiting

    1 1 1
    Austria Belgium Czechia Finland Germany Hungary +3
  • Study on the Safety and Effectiveness of Luveltamab Tazevibulin (STRO-002) for Infants and Children Under 12 with Acute Myeloid Leukemia (AML)

    Not recruiting

    1 1
    Investigated drugs:
    Austria Denmark France Germany Italy The Netherlands +1

Glossary

  • Antibody-Drug Conjugate (ADC): A type of targeted cancer therapy that combines a monoclonal antibody with a potent anti-cancer drug. The antibody helps deliver the drug directly to cancer cells, potentially reducing side effects on healthy cells.
  • Folate Receptor Alpha (FolRα): A protein found on the surface of some cancer cells, particularly in ovarian and endometrial cancers. It can be targeted by certain drugs to treat these cancers.
  • Pharmacokinetics (PK): The study of how a drug moves through the body, including how it's absorbed, distributed, metabolized, and eliminated.
  • Maximum Tolerated Dose (MTD): The highest dose of a drug that can be given without causing unacceptable side effects.
  • Recommended Phase 2 Dose (RP2D): The dose of a drug determined to be appropriate for further testing in phase 2 clinical trials, based on safety and effectiveness data from phase 1 trials.
  • RECIST 1.1: Response Evaluation Criteria in Solid Tumors, version 1.1. A standard way to measure how well a cancer patient responds to treatment.
  • Objective Response Rate: The proportion of patients whose cancer shrinks or disappears after treatment.
  • Progression-Free Survival (PFS): The length of time during and after treatment that a patient lives without their cancer getting worse.
  • Anti-Drug Antibodies (ADAs): Antibodies produced by the body's immune system in response to a therapeutic drug, which can potentially reduce the drug's effectiveness.
  • Bevacizumab: A cancer medication that works by blocking the growth of new blood vessels that feed tumors. It's often used in combination with other cancer treatments.

References

  1. https://clinicaltrials.gov/study/NCT03748186
  2. https://clinicaltrials.gov/study/NCT05200364