Participant flow

Study of Pembrolizumab (MK-3475) vs Placebo for Participants With Non-small Cell Lung Cancer After Resection With or Without Standard Adjuvant Therapy (MK-3475-091/KEYNOTE-091) · Source last updated 2026-03-17

Results reported by the registry submitting party. Population, time horizon, units and missing values must be read together.

groups

1. description

   Participants received pembrolizumab 200 mg, intravenously (IV), every 3 weeks, for one year.

   id

   FG000

   title

   Pembrolizumab

2. description

   Participants received placebo, IV, every 3 weeks, for one year.

   id

   FG001

   title

   Placebo

periods

1. drop Withdraws

   1. reasons

      1. group Id

         FG000

         num Subjects

         136

      2. group Id

         FG001

         num Subjects

         154

      type

      Death

   2. reasons

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         2

      type

      Lost to Follow-up

   3. reasons

      1. group Id

         FG000

         num Subjects

         25

      2. group Id

         FG001

         num Subjects

         16

      type

      Withdrawal of consent

   4. reasons

      1. group Id

         FG000

         num Subjects

         429

      2. group Id

         FG001

         num Subjects

         415

      type

      Participants ongoing

   milestones

   1. achievements

      1. group Id

         FG000

         num Subjects

         590

      2. group Id

         FG001

         num Subjects

         587

      type

      STARTED

   2. achievements

      1. group Id

         FG000

         num Subjects

         580

      2. group Id

         FG001

         num Subjects

         581

      type

      Treated

   3. achievements

      1. group Id

         FG000

         num Subjects

         0

      2. group Id

         FG001

         num Subjects

         0

      type

      COMPLETED

   4. achievements

      1. group Id

         FG000

         num Subjects

         590

      2. group Id

         FG001

         num Subjects

         587

      type

      NOT COMPLETED

   title

   Overall Study

pre Assignment Details

One participant randomized to the study in error did not provide informed consent and was not included. No data was collected on this participant.

Download exact source JSON → · Snapshot ctgov-results-191f4516d4760045304b24a0

Preserved source evidence · Not medical advice