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Last Updated on February 16, 2024


Phase 3 of the development of a new drug is generally considered a suitable and strategic time to start collecting opt-ins from doctors. Phase 3 clinical trials are a crucial stage in the drug development process, as they involve a larger patient population and provide more comprehensive data about the drug’s safety, efficacy and potential benefits. This phase often represents the final step before seeking regulatory approval for the new drug.

Here’s why phase 3 is a favorable time to begin collecting opt-ins and preferences from doctors:

Substantial clinical data.

Phase 3 trials generate a wealth of clinical data that can be shared with doctors. This data includes information about the drug’s performance, dosing guidelines, potential side effects and patient outcomes. Sharing such data through relevant communication helps doctors understand the drug’s profile and make informed decisions about its relevance to their medical practice. In this phase you might not need an opt-in for promotional communication, but having it already makes life easier in a later phase. The same applies to asking for preferences of the HCPs.

Evidence of efficacy and safety.

By the time a drug reaches phase 3, it has shown promising results in earlier phases. Collecting opt-ins at this stage allows pharmaceutical companies to share evidence of the drug’s efficacy and safety, which can be compelling for doctors as they consider incorporating the new drug into their patient care plans.

Informed decision-making.

Doctors often want to stay informed about the latest advancements in their field. Providing relevant communication during phase 3 empowers doctors to stay updated on the progress of the drug, its potential benefits and any emerging insights from the clinical trials. This information helps doctors make well-informed decisions about adopting the new drug once it becomes available.

Time for engagement.

Phase 3 trials can last for an extended period, providing ample time for pharmaceutical companies to engage with doctors and build a relationship. By initiating communication during this phase, companies can establish a dialogue, answer doctors’ questions and address any concerns they may have about the drug.

Preparation for launch.

As the drug nears the end of phase 3 and regulatory approval becomes a realistic goal, pharmaceutical companies can start preparing doctors for the drug’s potential launch. This can include sharing information about distribution, availability, patient selection criteria and post-approval monitoring.

It’s important to note that while phase 3 is a favorable time to start collecting opt-ins, the timing may vary based on the specific drug, therapeutic area and regulatory requirements. Pharmaceutical companies should align their opt-in collection strategy with their overall development timeline and ensure that the communication is transparent, informative and respectful of doctors’ preferences.


Phase 3 of drug development offers a prime opportunity to begin collecting opt-ins from doctors. By leveraging the substantial clinical data generated during this phase and providing doctors with valuable insights, pharmaceutical companies can establish a strong foundation for collaboration and facilitate the successful integration of the new drug into medical practice.

What can OptInsight do for you?

We offer solutions and services for pharma & life sciences with focus on increasing your reach to healthcare professionals (HCPs).

The OptInsight consent and preference management solution allows pharmaceutical companies to manage the collection, storage and use of personal data in a compliant and secure manner. It provides a centralized platform for managing consent records (opt-ins AND opt-outs), including the mandatory audit trail. It functions as a single source of truth, preventing scattered personal and consent data throughout your company. It also shows the latest consent status and preferences, which allows you to engage with HCPs based on the right data.

With our partner ecosystem, we can also support you on collecting opt-ins, improving the quality of data collected, creating social media campaigns, construction of websites and building HCP portals. Are you interested? Have a look at or contact me at

Schedule a meeting with us.

Tip: involve your colleagues from other departments within your company.
In this way we can instantly answer questions and provide clarity from various points of view.


Marketing & Product Director

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