Can a lupus drug protect lungs in connective tissue disease?
NCT ID NCT06716606
First seen Jun 27, 2026 · Last updated Sep 10, 2026 · Updated 2 times
Summary
This study looks at the long-term safety and effectiveness of belimumab in adults with lung scarring (interstitial lung disease) caused by systemic sclerosis or other connective tissue diseases. About 514 people who completed earlier trials will receive belimumab for up to several years. Researchers will track side effects and measure how well the drug slows lung function decline and improves daily life.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- belimumab
- What this could lead to
- If successful, belimumab could offer a long-term treatment option to slow lung function decline and improve quality of life in people with connective tissue disease-related lung scarring.
- What could go wrong
- This is an open-label extension study, meaning everyone gets the drug and there is no placebo group, so results may be less definitive. Long-term safety is still being evaluated, and the drug may not work for everyone.
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
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 514 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2024
- Expected to finish
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Oct 2030
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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: * Participants with SSc-ILD or other CTD-ILDs that have completed either study 218224 or 221672 through to and including the Week 52 visit and are not considered treatment failure, defined as meeting either of the following criteria: * Discontinuation of study medication during study 218224 or 221672 for any reason. * Participants with SSc should have an area of uninvolved or mildly thickened skin that, in the opinion of the investigator, would allow subcutaneous (SC) injection at the abdomen or the front, middle region of the thigh. * Participant is capable and willing to self-administer the study medication or has a caregiver/healthcare professional who is capable and willing to administer the study medication throughout the study. * Female participants: A female participant is eligible to participate if she is not pregnant or breastfeeding, and one of the following conditions applies: Is a woman of non-childbearing potential (WONCBP) or is a woman of childbearing potential (WOCBP) and using a contraceptive method that is highly effective, with a failure rate of less than (\<)1 percentage (%), during the study treatment period and for at least 4 months after the last dose of study intervention. The investigator should evaluate potential for contraceptive method failure (e.g., non-compliance, recently initiated) in relationship to the first dose of study intervention. 1. A WOCBP must have a negative highly sensitive pregnancy test (urine or serum, as required by local regulations) within 24 hours before the first dose of study intervention. 2. If a urine test cannot be confirmed as negative (e.g., an ambiguous result), a serum pregnancy test is required. In such cases, the participant must be excluded from participation if the serum pregnancy result is positive. 3. Additional requirements for pregnancy testing during and after study intervention are located. 4. The investigator is responsible for review of medical history, menstrual history, and recent sexual activity to decrease the risk for inclusion of a woman with an early undetected pregnancy. * Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in the protocol. Exclusion Criteria: * Participants of study 218224 or study 221672 who have discontinued study treatment, prior to Week 52. * Participants who have developed clinical evidence of significant, unstable or uncontrolled, acute or chronic diseases not due to SSc or other CTD (i.e, cardiovascular, pulmonary, hematologic, gastrointestinal, hepatic, renal, neurological, malignancy or infectious diseases), or experienced an AE in study 218224 or study 221672 that could, in the opinion of the principal investigator, put the participant at undue risk. * Participants who have developed any other medical diseases (eg, cardiopulmonary), laboratory abnormalities, or conditions (eg, poor venous access) that, in the opinion of the investigator could significantly alter the absorption, metabolism, or elimination of drugs; constitutes a risk when taking the study intervention; interferes with the interpretation of data; or it is not safe for the participant to continue on the study. * Participants who have been exposed to ionizing radiation in excess of 10 millisievert (mSv) above background over the previous 3 year period as a result of occupational exposure or previous participation in research studies. * QT Interval Corrected (QTc) greater than (\>) 480 millisecond (msec) at Week 52 of parent study 218224 or study 221672.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
41 sites in 11 countries. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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GSK Investigational Site
RECRUITINGLos Angeles, California, 90095, United States
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GSK Investigational Site
RECRUITINGNew York, New York, 11201, United States
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GSK Investigational Site
RECRUITINGPhiladelphia, Pennsylvania, 19104, United States
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GSK Investigational Site
RECRUITINGPhiladelphia, Pennsylvania, 19140, United States
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GSK Investigational Site
RECRUITINGBuenos Aires, C1425AGC, Argentina
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GSK Investigational Site
RECRUITINGBuenos Aires, Argentina
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GSK Investigational Site
RECRUITINGCiudad Autonoma Buenos Aires, C1015ABO, Argentina
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GSK Investigational Site
RECRUITINGCiudad Autonoma de Buenos Aire, 1425, Argentina
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GSK Investigational Site
RECRUITINGSanta Fe, 3000, Argentina
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GSK Investigational Site
RECRUITINGFitzroy, Victoria, 3065, Australia
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GSK Investigational Site
RECRUITINGBeijing, 100020, China
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GSK Investigational Site
RECRUITINGBeijing, 100730, China
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GSK Investigational Site
RECRUITINGChengdu, 610072, China
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GSK Investigational Site
RECRUITINGHangzhou, 310052, China
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GSK Investigational Site
RECRUITINGMianyang, China
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GSK Investigational Site
RECRUITINGShanghai, 200001, China
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GSK Investigational Site
RECRUITINGShanghai, 200040, China
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GSK Investigational Site
RECRUITINGShenyang, 110001, China
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GSK Investigational Site
RECRUITINGZhuzhou, 412007, China
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GSK Investigational Site
RECRUITINGToulouse, 31059, France
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GSK Investigational Site
RECRUITINGLarissa, 41110, Greece
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GSK Investigational Site
RECRUITINGThessaloniki, 546 42, Greece
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GSK Investigational Site
RECRUITINGPoria – Neve Oved, Israel, 15208, Israel
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GSK Investigational Site
RECRUITINGAichi, 470-1192, Japan
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GSK Investigational Site
RECRUITINGGunma, 371-8511, Japan
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GSK Investigational Site
RECRUITINGHiroshima, 734-8551, Japan
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GSK Investigational Site
RECRUITINGHokkaido, 060-8648, Japan
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GSK Investigational Site
RECRUITINGTokushima, 770-8503, Japan
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GSK Investigational Site
RECRUITINGTokyo, 113-8519, Japan
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GSK Investigational Site
RECRUITINGTokyo, 113-8603, Japan
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GSK Investigational Site
RECRUITINGTokyo, 143-8541, Japan
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GSK Investigational Site
RECRUITINGYamanashi, 409-3898, Japan
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GSK Investigational Site
RECRUITINGBucheon Kyunggi-Do, 420-717, South Korea
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GSK Investigational Site
RECRUITINGSeoul, 04763, South Korea
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GSK Investigational Site
RECRUITINGSuwon Kyunggi-do, 16499, South Korea
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GSK Investigational Site
RECRUITINGYongsan-Ku Seoul, South Korea
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GSK Investigational Site
RECRUITINGBilbao, Bizkaia, 48013, Spain
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GSK Investigational Site
RECRUITINGBarcelona, 08035, Spain
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GSK Investigational Site
RECRUITINGVigoPontevedra, 36200, Spain
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GSK Investigational Site
RECRUITINGLeeds, LS7 4SA, United Kingdom
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GSK Investigational Site
RECRUITINGLondon, NW3 2QG, United Kingdom
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