About clinical trials

Pfizer will provide your study doctor with information about your clinical trial’s results when all participants have completed the trial. We also post study results on ClinicalTrials.gov and summaries of the results (also called Clinical Study Report Synopses) on Pfizer.com.

Additionally, for certain Pfizer-sponsored clinical trials, “Plain Language Study Results Summaries” can be found by visiting this page on Pfizer.com and using the search function. These are non-technical descriptions of the design and results of our studies started in 2015 and later. The summaries are intended to make the study results more understandable and accessible to a general audience.

When a study’s plain language study results summary becomes available in the future, past participants in Pfizer clinical trials who registered for the Pfizer Clinical Trial Alumni website will receive a notification and links to their study’s plain language summary.

Regardless of the outcome of your clinical trial, your participation has helped us learn and has made progress possible.

If health authorities such as the U.S. FDA approve the study medicine for use by patients with the condition, doctors and pharmacists will become aware that it can be prescribed. Pfizer typically releases public statements when its new medicines are approved, and we list our approved medicines on Pfizer.com. We also commonly create websites and other materials to inform healthcare professionals and patients about the medicines.

Keep in mind that study medicines typically go through a series of clinical trials before they are submitted to health authorities for approval. For a study medicine to be considered for approval, those clinical trials must collectively show that the study medicine is safe and effective. So, depending on the study you were part of, the study medicine may be very close to approval, approval may be years away, or approval may never come.

Click Learn More to view Pfizer’s list of approved products.

Yes, you may participate in another clinical trial if your participation in your previous study has ended and you meet the eligibility criteria for the new one.

To find a Pfizer clinical trial, use our Find a Trial search engine. To search for all registered clinical trials, regardless of the study sponsor, you may visit ClinicalTrials.gov.