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Biosimilar CT-P6 tested against herceptin in healthy volunteers

NCT ID NCT06687928

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 1 trial compared a single dose of CT-P6, a biosimilar of the cancer drug trastuzumab, to the approved Herceptin in 200 healthy men. The goal was to see if the two drugs behave similarly in the body and have comparable safety. Results will help determine if CT-P6 can be used as a more affordable alternative.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
CT-P6 (a biosimilar of trastuzumab) and Herceptin (trastuzumab)
What this could lead to
If successful, this could show that CT-P6 works similarly to Herceptin, potentially offering a more affordable treatment option for certain cancers.
What could go wrong
This is an early-phase study in healthy men, not patients. It only checks how the drug moves through the body and safety, not whether it treats disease. Results may not predict real-world effectiveness.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

200 people

The number who actually took part.

Started

Mar 2025

Finished

Aug 2025

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

19 to 55 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: 1. Healthy male subject between 19 and 55 years of age 2. Body weight between 60 and 90 kg, BMI between 18.0 and 29.9 kg/m2 3. Subject is informed and able to understand the full nature and purpose of the study, including possible risks and side effects, and is given ample time and opportunity to read and understand this information. The subject has the ability and agrees to cooperate with the investigator and must sign and date the written informed consent prior to performing any of the Screening procedures. 4. Subject who is sexually active with a woman of childbearing potential must agree to use a highly effective and medically acceptable methods of contraception consistent with local regulations during the course of the study and for 7 months after administration of the study drug (Day 1). Examples include the following: 1. Condom with or without spermicide 2. True abstinence, when this is in line with the preferred and usual lifestyle of the subject 3. Or, a female partner with hormonal contraceptive or barrier method Subject who has been surgically sterilized for less than 24 weeks prior to the date of informed consent and his female partner of childbearing potential must agree to use any medically acceptable methods of contraception. Exclusion Criteria: * A medical history and/or condition that is considered significant * Clinically significant allergic reactions, hypersensitivity * History or congestive heart failure, NYHA class ≥ class II * Current infection of hepatitis B virus, hepatitis C virus, human immunodeficiency virus, or syphilis * History or current of malignancy * Previous exposure to trastuzumab or any drugs including Human epidermal growth factor receptor 2 (HER2) targeted monoclonal antibodies * History or current use of recombinant human hyaluronidase (rHuPH20) or drugs including rHuPH20

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Celltrion

    Yeonsu-gu, Incheon, 22006, South Korea

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