At AstraZeneca Oncology, our overarching ambition is to one day eliminate cancer as a cause of death. As we strive to achieve this, our Oncology R&D strategy has three core components:
Through persistent innovation we have built one of the most diverse portfolios in the industry and it continues to expand. We are balancing our focus on our industry-leading pipeline with the active life-cycle management of our existing medicines; expanding indications, to deliver to those cancer patients with the greatest unmet need.
In addition, collaborations and business development opportunities are an integral part of our approach to strengthening our portfolio and setting us up for future success. Learn more about our partnerships in oncology R&D.
Attacking cancer from multiple angles
We approach the development of transformational medicines in two distinct ways:
- by activating the immune system to boost the body’s natural defences which can slow the growth of cancer cells, destroy the cells or to stop them from spreading.
- by focusing on mechanisms that kill cancer cells directly.
Combining the two approaches may combat multiple tumour escape mechanisms, potentially allowing for greater anti-tumour activity than with one pathway alone. As such, our portfolio spans multiple scientific platforms, with different modalities and mechanisms to kill cancer cells directly or activate the immune system against cancer:
Figure 1: Our scientific platforms to attack cancer from multiple angles
- Antibody drug conjugates (ADC): These targeted medicines deliver chemotherapy agents to cancer cells with monoclonal antibodies, joined via a chemical linker to cytotoxic drugs. This highly targeted and cell-specific mechanism has the potential to reduce side effects for those being treated with the drug. 1
- Radioconjugates: This approach delivers the radiation therapy to tumour cells, enabling cancer cells to be destroyed in a more targeted manner than traditional external beam radiation, offering more tailored treatments for patients.
- DNA damage response (DDR): DNA damage is a critical factor in tumour progression and most cancers have a greater dependency on this process. DDR inhibitors block specific components of the DNA damage response pathways in cancer cells, causing cancer cell death while leaving healthy cells intact. 2
- Tumour drivers and resistance: We are developing therapies that directly target specific mutations and block resistance mechanisms that cause cancer cells to proliferate, with the goal of extending survival by targeting biological pathways and combating cancer as it evolves.
- Epigenetics: Dysregulation of epigenetic processes can result in disease initiation and is a hallmark of cancer. By studying how these epigenetic malfunctions lead to cancer, we can develop therapies to target those changes.3,4
- Immuno-oncology (IO): We are developing next-generation IO therapies to empower the immune system to more effectively recognise and kill cancer cells and to overcome the immunosuppressive mechanisms that cancers frequently develop as they evolve. We are focusing on novel combinations of IO therapies and designing bispecific antibodies that simultaneously target different immune checkpoints on the same cell.
- Immune engagers: A growing area of interest are T-cell engagers which redirect the immune system's T-cells to recognise and kill cancer cells, thereby amplifying a patient’s own anti-cancer immune response.5
- Cell therapy: We are building a pipeline of next-generation cell therapies that are designed to overcome current barriers to the widespread adoption of cell therapies for both solid and haematological tumours, such as challenges in scalability and accessibility. With our acquisition of Neogene therapeutics, we are expanding into T-cell receptor therapies (TCR-T), unlocking new space in cancer biology by targeting intracellular targets.6
Real potential is in combinations of cancer therapies for deeper, more durable responses
We believe that real potential is in the combination of treatments, attacking cancer cells from multiple angles. The breadth and depth of our portfolio allows us to trial many of these combinations to achieve a more durable, deeper response as we strive towards our ambition of transforming cancer outcomes and increasing the chance of cures.
We are working towards a future where conventional chemotherapy and radiotherapy are replaced with targeted combinations of ADCs, molecularly targeted therapies, and immunotherapies.
For example, combining ADCs that directly kill cancer cells with immunotherapies that drive the patient’s own immune response and support the tissue microenvironment to eradicate the tumour, may help drive stronger and more durable patient responses. We are also exploring the potential for maximising DNA damage induced cancer cell death by combining ADCs with DDR inhibitors.
Treating cancer earlier and smarter
Figure 2: Finding cancer earlier through screening and diagnostics like circulating tumour DNA (ctDNA)
We are exploring the use of circulating tumour DNA (ctDNA), to detect cancer, choose the right treatments for patients and to determine just how effective treatment is.
We have a collaboration with the company GRAIL to develop blood-based companion diagnostics for early-stage cancer. Through this collaboration, we will leverage GRAIL’s multi-cancer early detection test to recruit patients onto clinical trials for the investigation of our cancer treatments in early cancer. The test not only includes the potential to detect cancers with limited screening options at present but also importantly tells you which tissues they come from.7
Leading with transformational technologies
Data and AI
With the right data at our fingertips, we can transform cancer drug discovery and development to get new treatments to patients faster. Data and AI are embedded across all of our R&D activities, from identification of new targets for novel cancer medicines, predicting which molecules to make, better predicting clinical success, informing, and speeding up clinical trial recruitment. Data and AI is enabling us to harness new technology, automate processes and push the boundaries of science to accelerate innovation and the delivery of life-changing medicines.
Computational pathology
Computational pathology is the integration of machine learning and digital imaging with traditional pathology techniques as next generation diagnostics. Advances in data science and computing now allow us to integrate data from immunohistochemically stained cancer tissue images with genomic, radiological, clinical, and other data, applying deep learning algorithms to gain novel insights.
Quantitative Continuous Scoring (QCS) is our novel, fully automated computational pathology solution that not only looks for the presence or absence of a biomarker but also quantifies the intensity of staining and its location in sub-cellular compartments. Right now, we’re pioneering the use of QCS within our clinical trial portfolio, with regulatory approval as a first-in-class AI-driven diagnostic as a future goal.
Digital health
The digital capabilities we are embedding across our R&D are essential to creating a seamless connectivity between people and data. Our ambition is to reimagine healthcare – transforming patients’ healthcare journeys to improve earlier diagnosis, more precision treatments and proactive digital monitoring for better outcomes, powered by digital, longitudinal data and AI, through the recent launch of Evinova, our global health-tech business we’re even closer to this ambition.
We are continuing to research, create and deliver digital health solutions, via Evinova, that are science-based, evidence-led, and human experience-driven. Deliberately designed so that everyone can reach better health outcomes together.
The future of oncology R&D
It is the combination of all these elements that we believe sets us up for future success. By combining these innovations, we will hopefully transform outcomes and survival for cancer patients.
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References
1. Peters C, Brown S. Antibody-drug conjugates as novel anti-cancer chemotherapeutics. Biosci Rep. 2015;35(4):e00225.
2. Alhmoud JF, Woolley JF, Al Moustafa AE, Malki MI. DNA Damage/Repair Management in Cancers. Cancers (Basel). 2020;12(4):1050.
3. Wainwright EN, Scaffidi, P. Epigenetics and cancer stem cells: Unleashing, hijacking, and restricting cellular plasticity. Trends Cancer. 2017;3(5): 372–386.
4. Kaur J, Daoud A, Edlen ST. Targeting chromatic remodeling for cancer therapy. Curr Mol Pharmacol. 2019;12(3):215-229.
5. Huehls AM, Coupet TA, Sentman CL. Bispecific T-cell engagers for cancer immunotherapy. Immunol Cell Biol. 2015;93(3):290-296.
6. National Cancer Institute. CAR T Cells: Engineering patients’ immune cells to treat their cancers. Available online: https://www.cancer.gov/about-cancer/treatment/research/car-t-cells. Accessed April 2024.
7. GRAIL Announces Strategic Collaboration with AstraZeneca to Develop Companion Diagnostic Tests to Enable the Treatment of Early-Stage Cancer. Press Release: 2 June 2022. Available at https://grail.com/press-releases/grail-announces-strategic-collaboration-with-astrazeneca-to-develop-companion-diagnostic-tests-to-enable-the-treatment-of-early-stage-cancer/. Accessed April 2024.
Veeva ID: Z4-62243
Date of preparation: April 2024