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In many cases, the end of the year gives you time to step back and take stock of the last 12 months. This is when many of us take a hard look at what worked and what did not, complete performance reviews, and formulate plans for the coming year. For me, it is all of those things plus a time when I u...
SYS-CON.TV
SOA to the Rescue, When Drug Discovery Needs Data Fast!
Information is key to drug discovery

As the demand for new medicines grows, so does the need for better information to manage and execute the R&D processes. There is huge pressure to make informed decisions, especially during the project's early stages when the risk is high and before downstream costs are added.

Pfizer spends billions on research projects annually. At Pfizer Global R&D where the company's drug discovery takes place, research scientists and managers require vast amounts of up-to-the-minute information on lab results, submission status, and project schedules to move new research forward quickly. Management must constantly analyze the entire portfolio of new medicines in discovery to look for opportunities, trends, and areas where attention is needed. Researchers and managers strive to bring together the best in ideas, practices, policies as well as the use of information.

At Pfizer's Research Informatics Division within Global Research and Development, we seek to provide the best information possible to our R&D customers. Meeting this mission requires constant innovation. Over the past several years, we have faced a number of challenges, causing us to evolve our information delivery methods and technologies significantly. These include a new approach to real-time data integration, such as using SOA data services that lets us build new solutions more rapidly and in alignment with our SOA strategies.

Data Integration Is a Critical Requirement
At Pfizer R&D, the information required for executing and managing projects is drawn from many sources, including laboratory research, historical records, clinical trials, and business intelligence. The data is complex, diverse, and spreads across the company in various technology and application silos.

Through innovative use of analytics, reporting, and portal technology, we have made great strides toward improving how this information is presented internally. However, data integration remains the biggest challenge in effectively providing information to our researchers and managers.

Why is this critical? To properly assess a portfolio of discovery projects, Pfizer managers must pull data from sources such as packaged applications, historical data from data warehouses, document repositories, and custom systems. Each source has its own access mechanisms, syntax, and security. Few are structured properly for consumption, let alone reuse. These combined factors slow down new application development projects.

Time Is of the Essence!
To move new research forward as quickly as possible, our research scientists and managers must have critical up-to-date information from across our wide array of source systems. If information is only refreshed monthly, then necessary course corrections are typically delayed by several weeks. A few weeks may not sound like a lot, but on a 24-month project, these weeks can easily add up to six months or more.

For new IT projects, time is of the essence. Business agility requires IT agility. Pfizer's researchers and managers, like their business user counterparts, constantly make new demands on IT for new information systems to help the business perform more efficiently, effectively, and competitively. This means we must build new systems quickly. Rapid application development (RAD) techniques are highly desired. In fact, we continuously evaluate our Enterprise Development Life Cycle (EDLC) processes with a primary objective of reducing time-to-solution with faster responses to business needs.

SOA-Compliance Is an Important Requirement
Our SOA adoption has accelerated in recent years. Specifically, we use SOA approaches to increase reuse of existing components, save development time, and cut costs. So, we strive to use SOA methods and technologies whenever possible.

With respect to SOA and data integration, we've found that SOA helps break down silo-type data gathering and integration processes by standardizing how data is promoted and reused. The ability to virtualize and abstract via data services helps groups to easily understand and consume data confidently, reliably, and quickly without having to hunt for these sources or rely on manual processes for gathering and integrating them.

Old Extract & Mart-based Approaches Can't Meet New Requirements
Traditionally, Pfizer has used three approaches to data integration. The first is custom coding directly between sources and consuming applications. This works well for our simple integration problems where there are one or two defined sources and little transformation is needed. But as additional sources are added, and complex data structures are ever changing, this delivery approach has severe limitations.

Second, we've used replicated file extracts as a way to integrate data. File extracts handle data silos more efficiently than custom coding. For example, application teams that need data receive periodic file extracts from the application teams that manage the source data applications. This arms-length batch approach minimizes the impact on source systems and is useful for daily transaction summaries, shared reference data, etc. However, data integration beyond simple access - abstraction, transformation, federation, and more - requires extra work by the consuming team. This method proliferates replicated data without any controls on quality, security, and scalability.

Extract, Transform, and Load (ETL) with data marts or warehouses is our third approach to data integration. This kind of physical data replication has several advantages in terms of rationalizing and combining heterogeneous data from multiple sources. For large-scale multi-dimensional analysis, we find data warehouses are effective solutions given their ability to support the large volumes and significant schema transformations typically required. To date, this has been the data integration approach of choice for our medium and large-scale data integration projects.

Unfortunately, these three approaches may not be entirely effective with our customers. Because our customers must make decisions based on near real-time data, they often can't afford the extra development time required for building and testing custom coding, file extracts, and data marts. Forcing our business users to wait extra months for new solutions to be developed has a huge impact on how quickly we get new drugs to market.

Further, typical data mart/replication architectures don't easily fit into our new SOA strategy. New data integration projects must be SOA-enabled from the start, so they can deliver value moving forward.

Given the accelerating business demand for new systems from the R&D groups we support, my team decided to find a new approach to data integration that lets us build additional real-time solutions more rapidly, and in alignment with our SOA strategies, while avoiding the replication downside.

To do this, we launched a project with the goal of identifying and adopting a new approach to data integration that meets the following criteria:

  1. Complex data integration across multiple heterogeneous sources without unnecessary data replication,
  2. Real-time information delivery,
  3. Rapid application development, and
  4. SOA-compliance.

About Daniel Eng
Daniel Eng has over 17 years of diverse IT experience in managing projects, leading technical teams, and developing enterprise applications within Fortune 100 companies. Currently at Pfizer Global Research and Development, Dan is leading efforts in transitioning business processes and applications into a SOA environment by using emerging technologies and agile management practices. Prior to Pfizer, he was an independent consultant helping his Fortune 500 clients in developing intranet sites, portable applications and e-commerce solutions. Dan has also worked in many e-commerce start-ups and healthcare organizations. He holds a BSEE degree from Polytechnic University and an MBA degree from Gonzaga University.

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