ClinicalTrials.gg
Active, not recruitingNCT06268613Updated May 5, 2026

A Study to Compare the Pharmacokinetics, Efficacy, Safety, and Immunogenicity of Pembrolizumab (SB27, EU Sourced Keytruda, and US Sourced Keytruda) in Subjects With Stage II-IIIA NSCLC Following Complete Resection and Adjuvant Platinum-based Chemotherapy

A Phase 1 interventional study of SB27 and EU sourced Keytruda in Non-small Cell Lung Cancer Stage II and Non-small Cell Lung Cancer Stage IIIA, sponsored by Samsung Bioepis Co., Ltd.. Active, not recruiting at 24 sites in 4 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-05-05.

Sponsored by Samsung Bioepis Co., Ltd. · Phase 1, Interventional, and Treatment

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Phase
Phase 1
Study type
Interventional
Enrollment
163
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Where this study stands

Counted across the records on this site · 2026-11-13

Among 700 studies in Carcinoma, Non-Small-Cell Lung with a site in Korea, Republic of — 123 open to participants now, 264 under way, 101 of them phase 3. Carcinoma, Non-Small-Cell Lung · Korea, Republic of.

Enrollment
374th of 657
163 · median 200
Started
2024
with 54 others
Phase 1
110 of 700
21 open now
Primary completion
2026-02
later than 64 of 263 live
Registered
600th of 700
by date

Among the 700 studies in Carcinoma, Non-Small-Cell Lung with a site in Korea, Republic of, this one is the 374th largest by enrollment of the 657 interventional ones that give a count, is one of 55 that started in 2024, is one of 110 in phase 1, reaches primary completion later than 64 of the 263 other live ones, and was the 600th registered.

Carcinoma, Non-Small-Cell Lung

7,621 studies on the registry are indexed under Carcinoma, Non-Small-Cell Lung; 1,836 are open to participants now.

Browse Carcinoma, Non-Small-Cell Lung studies →

Open to participants now

123 of the 700 studies in Carcinoma, Non-Small-Cell Lung with a site in Korea, Republic of are open now. Recruiting first, the newest first:

118 more — sign in →

All 123 open studies →

A study can be open while its sites in Korea, Republic of have not opened yet or have stopped. Only those recruiting at a site in Korea, Republic of →

Who these studies take

Of the 1,327 Carcinoma, Non-Small-Cell Lung studies recruiting now, 989 (75%) set no upper age limit and 225 (17%) stop at 75 or younger; 34 take children under 18; 40 take healthy volunteers.

This study: 18 Years and older · all sexes · no healthy volunteers.

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02

Study summary

The goal of this clinical trial is to compare the amount of study drug in patients' blood to confirm that SB27 works in the same way as EU and US sourced Keytruda in early or locally advanced non-small cell lung cancer (NSCLC) patients who underwent surgery and adjuvant chemotherapy. The main question it aims to answer is:

  • What the body does to the study drug, which is called "pharmacokinetic"

Participants will receive investigational product (IP) administration every 3 weeks, maximum 18 cycles over about 51 weeks and blood sample will be collected.

Researchers will compare 3 medicines (SB27, EU sourced Keytruda, and US sourced Keytruda) to see if SB27 works in the same way as EU and US sourced Keytruda.

03

Conditions studied

  • Non-small Cell Lung Cancer Stage II
  • Non-small Cell Lung Cancer Stage IIIA
04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Male or female aged 18 years or older
  • Diagnosed as NSCLC stage II-IIIA (staging should be confirmed after surgery)
  • Have completely removed all of the cancer from the body surgically
  • Have been received 3 or 4 cycles of platinum-based chemotherapy after surgery

Exclusion criteria

Exclusion Criteria:

  • Have received anti-cancer therapy before surgery
  • Have or had disease in past 5 years
Terms in these criteria, in plain language(1)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Autoimmune disease

A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.

Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.

05

Study design

Phase
Phase 1
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Quadruple (Participant, Care provider, Investigator, Outcomes assessor)
Enrollment
163 participants (actual)

Study arms

  • Experimental
    SB27

    SB27 will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

    Drug: SB27

  • Active comparator
    EU sourced Keytruda

    EU sourced Keytruda will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

    Drug: EU sourced Keytruda

  • Active comparator
    US sourced Keytruda

    EU sourced Keytruda will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

    Drug: US sourced Keytruda

Interventions

  • DrugSB27

    Will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

  • DrugEU sourced Keytruda

    Will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

  • DrugUS sourced Keytruda

    Will be administered intravenously at a fixed dose of 200 mg every 3 weeks, maximum 18 cycles over about 51 weeks

06

What researchers measure

Primary outcomes

  1. Area Under the Concentration-time Curve (AUC) over the Dosing Interval at Cycle 1

    Defined as AUC calculated in Cycle 1 based on intensive PK assessment

    Time frame: At the end of Cycle 1 (each cycle is 21 days)

  2. Area Under the Concentration-time Curve (AUC) over the Dosing Interval at Cycle 6

    Defined as AUC calculated in Cycle 6 based on intensive PK assessment

    Time frame: At the end of Cycle 6 (each cycle is 21 days)

Secondary outcomes

  1. Disease-free Survival

    Defined as the time from the date of randomization until the date of disease recurrence, occurrence of new primary NSCLC, or death of any cause, whichever occurs first.

    Time frame: From the date of randomization until the date of disease recurrence, occurrence of new primary NSCLC, or death of any cause, whichever occurs first, assessed up to Week 55

  2. Overall Survival

    Defined as the time from the date of randomization until the date of death of any cause.

    Time frame: From the date of randomization until the date of death of any cause, assessed up to Week 55

07

Study locations

24 sites
  • SB Investigative Site
    Gdansk, Poland
  • SB Investigative Site
    Otwock, Poland
  • SB Investigative Site
    Ansan, South Korea
  • SB Investigative Site
    Busan, South Korea
  • SB Investigative Site
    Daegu, South Korea
  • SB Investigative Site
    Hwasun, South Korea
  • SB Investigative Site
    Incheon, South Korea
  • SB Investigative Site
    Jinju, South Korea
  • SB Investigative Site
    Seongnam, South Korea
  • SB Investigative Site 3
    Seoul, South Korea
  • SB Investigative Site 4
    Seoul, South Korea
  • SB Investigative Site 5
    Seoul, South Korea
  • SB Investigative Site 6
    Seoul, South Korea
  • SB Investigative Site 1
    Suwon, South Korea
  • SB Investigative Site 2
    Suwon, South Korea
  • SB Investigative Site
    Ulsan, South Korea
  • SB Investigative Site
    Jaén, Jaén, Spain
  • SB Investigative Site
    A Coruña, Santiago de Compostela, Spain
  • SB Investigative Site
    Málaga, Spain
  • SB Investigative Site
    Adana, Turkey (Türkiye)
  • SB Investigative Site 1
    Ankara, Turkey (Türkiye)
  • SB Investigative Site 2
    Ankara, Turkey (Türkiye)
  • SB Investigative Site
    Istanbul, Turkey (Türkiye)
  • SB Investigative Site
    Izmir, Turkey (Türkiye)
08

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Jan 2024 to primary completion in Feb 2026, 25 months.

Of 473 industry-sponsored phase 1 interventional studies under Carcinoma, Non-Small-Cell Lung, half reached primary completion within 49 months of starting (the median), counting those still running; a quarter within 29 and three quarters within 66. This study's 25 months is below that.

Counting every sponsor, half of 699 studies reached it within 50 months; a quarter within 31 and three quarters within 70.

How these figures are worked out, and which studies are left out of them.

Registered
Feb 2, 2024
First posted
Feb 20, 2024
StartActual
Jan 16, 2024
Primary completionActual
Feb 19, 2026
CompletionEst.
Nov 2026
Last update
May 5, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on May 5, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT06268613
Responsible party
Sponsor
First posted
Feb 20, 2024
Start date
Jan 16, 2024
Primary completion
Feb 19, 2026
Completion
Nov 2026 (estimated)
Last update
May 5, 2026

Oversight

FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in May 2026. You cannot join it, but the record below documents what was studied.

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Discussion

Questions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.

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