FOI release

FOI Request - Zoloft Clinical Study Report - 91CK21-0550

This request was refused in part, so we didn't provide some of the information the requester asked for. This may include information where we can neither confirm nor deny that we hold it.

Case reference FOI2026/00329

Received 24 March 2026

Published 2 June 2026

Request

I want to obtain the Clinical Study Report including all appendixes on Pfizer's Zoloft study 91CK21-0550. I would like to obtain the Clinical Study Reports fully, without any parts being removed.

Response

See attached

Documents

• 91ck21-0550_final redacted.pdf (715.1 KB)
• FOI2026_00329 (redacted).pdf (886.2 KB)

This is Medicines and Healthcare products Regulatory Agency's response to a freedom of information (FOI) or environmental information regulations (EIR) request.

You can browse our other responses or make a new FOI request.