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[6-K] GSK plc Current Report (Foreign Issuer)

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GSK reported positive pivotal phase III results for a next‑generation, low‑carbon version of its Ventolin (salbutamol) metered dose inhaler using propellant HFA‑152a. The data show therapeutic equivalence and a comparable safety profile to the current HFA‑134a formulation, supporting regulatory submissions with launch expected from 2026.

GSK notes approximately 300 million salbutamol MDIs are sold globally each year and that, if approved, the new inhaler has the potential to reduce greenhouse gas emissions by 92% per inhaler. The company added that its salbutamol MDI currently accounts for close to 45% of its total global carbon footprint.

GSK ha riportato risultati pivotal di fase III positivi per una versione di prossima generazione a basso contenuto di carbonio del suo inalatore dosatore Ventolin (salbutamolo) che utilizza il propellente HFA-152a. I dati mostrano equivalenza terapeutica e un profilo di sicurezza comparabile con la formulazione attuale HFA-134a, a sostegno delle submission regolatorie con il lancio previsto a partire dal 2026.

GSK osserva che circa 300 milioni di MDIs di salbutamolo vengono venduti globalmente ogni anno e che, se approvato, il nuovo inalatore ha il potenziale per ridurre le emissioni di gas serra di 92% per inhaler. L’azienda aggiunge che il suo MDI di salbutamolo attualmente rappresenta quasi il 45% della sua impronta di carbonio globale.

GSK informó resultados pivotal positivos de fase III para una versión de próxima generación y bajo carbono de su inhalador dosificador de salbutamol Ventolin que utiliza el propelente HFA-152a. Los datos muestran equivalencia terapéutica y un perfil de seguridad comparable a la formulación actual HFA-134a, respaldando las presentaciones regulatorias con el lanzamiento previsto a partir de 2026.

GSK señala que se venden globalmente aproximadamente 300 millones de MDI de salbutamol cada año y que, si se aprueba, el nuevo inhalador tiene el potencial de reducir las emisiones de gases de efecto invernadero en un 92% por inhalador. La compañía añadió que su MDI de salbutamol actualmente representa cerca del 45% de su huella de carbono global.

GSK는 HFA-152a 추진제를 사용하는 차세대 저탄소 버전의 Ventolin(살부타몰) 계량식 흡입기의 긍정적 핵심 3상 결과를 발표했습니다. 데이터는 현재 HFA-134a 제형에 비해 치료적 동등성과 안전성 프로파일이 유사함을 보여주며, 2026년 출시를 목표로 규제 제출을 뒷받침합니다.

GSK는 매년 전 세계적으로 약 3억 건의 살부타몰 MDI가 판매되며, 승인될 경우 새로운 흡입기가 흡입기당 온실가스 배출량을 92% 감소시킬 잠재력이 있다고 언급했습니다. 또한 회사는 현재 살부타몰 MDI가 전 세계 탄소 발자국의 거의 45%를 차지한다고 덧붙였습니다.

GSK a annoncé des résultats positifs pivots de phase III pour une version de prochaine génération et à faible émission de carbone de son inhalateur doseur Ventolin (salbutamol) utilisant le propelant HFA-152a. Les données montrent une équivalence thérapeutique et un profil de sécurité comparable à la formulation actuelle HFA-134a, soutenant les dépôts réglementaires avec un lancement prévu à partir de 2026.

GSK note qu’environ 300 millions de MDI de salbutamol sont vendus dans le monde chaque année et que, s’il est approuvé, le nouvel inhalateur a le potentiel de réduire les émissions de gaz à effet serre de 92% par inhalateur. La société a ajouté que son MDI de salbutamol représente actuellement près de 45% de son empreinte carbone mondiale.

GSK hat positive pivotal Phase-III-Ergebnisse für eine neuentwickelte, kohlenstoffarme Version seines Ventolin (Salbutamol) Dosier-Inhalators mit dem Treibmittel HFA-152a gemeldet. Die Daten zeigen therapeutische Äquivalenz und ein vergleichbares Sicherheitsprofil zur aktuellen HFA-134a-Formulierung und unterstützen regulatorische Einreichungen mit einer Markteinführung ab 2026.

GSK weist darauf hin, dass weltweit jährlich ca. 300 Millionen Salbutamol-MDI verkauft werden und dass, wenn es genehmigt wird, der neue Inhalator das Potenzial hat, die Treibhausgasemissionen pro Inhalator um 92% zu reduzieren. Das Unternehmen ergänzte, dass sein Salbutamol-MDI derzeit fast 45% seines gesamten globalen CO2-Fußabdrucks ausmacht.

أعلنت GSK عن نتائج حاسمة إيجابية من المرحلة الثالثة (Phase III) لنسخة من الجيل التالي ومنخفضة الكربون من جهاز الاستنشاق المحدد الجرعات Ventolin (السلبوتامول) باستخدام دافع HFA-152a. تُظهر البيانات تكافؤاً علاجياً وملف أمان مقارن بالصيغة الحالية HFA-134a، مما يدعم الطلبات التنظيمية مع إطلاق متوقع بدءاً من 2026.

تلاحظ GSK أن نحو 300 مليون جهاز استنشاق مزدوج الجرعات من السلبوتامول يُباع عالمياً كل عام، وأنه إذا تم الموافقة على النسخة الجديدة، فبإمكانها تقليل انبعاثات غازات الدفيئة بمقدار 92% لكل جهاز استنشاق. وأضافت الشركة أن MDI السلبوتامول لديها حالياً يمثل نحو 45% من بصمتها الكربونية العالمية.

GSK 公布其 Ventolin(沙丁胺醇)定量给药吸入器的下一代低碳版本使用推进剂 HFA-152a 的阶段 III 关键性积极结果。数据表明疗效等效性和安全性特征与当前 HFA-134a 配方相当,支持监管提交,预计将于 2026 年上市。

GSK 指出全球每年约销售 3 亿个沙丁胺醇 MDI,如获批准,新吸入器有望将每个吸入器的温室气体排放量降低 92%;公司补充称,其沙丁胺醇 MDI 目前约占其全球碳足迹的 45%。

Positive
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Negative
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Insights

Phase III equivalence supports a lower‑carbon Ventolin MDI pathway.

The disclosed phase III results state the HFA‑152a Ventolin MDI is therapeutically equivalent with a comparable safety profile to the existing HFA‑134a version. This provides the clinical basis for regulatory submissions and aligns with GSK’s stated plan for a launch expected from 2026.

Environmental impact is a focal point: GSK cites a potential 92% greenhouse gas reduction per inhaler and indicates salbutamol MDIs are a substantial share of its footprint. Actual commercial impact will depend on regulatory outcomes and adoption relative to the approximately 300 million salbutamol MDIs sold globally each year.

GSK ha riportato risultati pivotal di fase III positivi per una versione di prossima generazione a basso contenuto di carbonio del suo inalatore dosatore Ventolin (salbutamolo) che utilizza il propellente HFA-152a. I dati mostrano equivalenza terapeutica e un profilo di sicurezza comparabile con la formulazione attuale HFA-134a, a sostegno delle submission regolatorie con il lancio previsto a partire dal 2026.

GSK osserva che circa 300 milioni di MDIs di salbutamolo vengono venduti globalmente ogni anno e che, se approvato, il nuovo inalatore ha il potenziale per ridurre le emissioni di gas serra di 92% per inhaler. L’azienda aggiunge che il suo MDI di salbutamolo attualmente rappresenta quasi il 45% della sua impronta di carbonio globale.

GSK informó resultados pivotal positivos de fase III para una versión de próxima generación y bajo carbono de su inhalador dosificador de salbutamol Ventolin que utiliza el propelente HFA-152a. Los datos muestran equivalencia terapéutica y un perfil de seguridad comparable a la formulación actual HFA-134a, respaldando las presentaciones regulatorias con el lanzamiento previsto a partir de 2026.

GSK señala que se venden globalmente aproximadamente 300 millones de MDI de salbutamol cada año y que, si se aprueba, el nuevo inhalador tiene el potencial de reducir las emisiones de gases de efecto invernadero en un 92% por inhalador. La compañía añadió que su MDI de salbutamol actualmente representa cerca del 45% de su huella de carbono global.

GSK는 HFA-152a 추진제를 사용하는 차세대 저탄소 버전의 Ventolin(살부타몰) 계량식 흡입기의 긍정적 핵심 3상 결과를 발표했습니다. 데이터는 현재 HFA-134a 제형에 비해 치료적 동등성과 안전성 프로파일이 유사함을 보여주며, 2026년 출시를 목표로 규제 제출을 뒷받침합니다.

GSK는 매년 전 세계적으로 약 3억 건의 살부타몰 MDI가 판매되며, 승인될 경우 새로운 흡입기가 흡입기당 온실가스 배출량을 92% 감소시킬 잠재력이 있다고 언급했습니다. 또한 회사는 현재 살부타몰 MDI가 전 세계 탄소 발자국의 거의 45%를 차지한다고 덧붙였습니다.

GSK a annoncé des résultats positifs pivots de phase III pour une version de prochaine génération et à faible émission de carbone de son inhalateur doseur Ventolin (salbutamol) utilisant le propelant HFA-152a. Les données montrent une équivalence thérapeutique et un profil de sécurité comparable à la formulation actuelle HFA-134a, soutenant les dépôts réglementaires avec un lancement prévu à partir de 2026.

GSK note qu’environ 300 millions de MDI de salbutamol sont vendus dans le monde chaque année et que, s’il est approuvé, le nouvel inhalateur a le potentiel de réduire les émissions de gaz à effet serre de 92% par inhalateur. La société a ajouté que son MDI de salbutamol représente actuellement près de 45% de son empreinte carbone mondiale.

GSK hat positive pivotal Phase-III-Ergebnisse für eine neuentwickelte, kohlenstoffarme Version seines Ventolin (Salbutamol) Dosier-Inhalators mit dem Treibmittel HFA-152a gemeldet. Die Daten zeigen therapeutische Äquivalenz und ein vergleichbares Sicherheitsprofil zur aktuellen HFA-134a-Formulierung und unterstützen regulatorische Einreichungen mit einer Markteinführung ab 2026.

GSK weist darauf hin, dass weltweit jährlich ca. 300 Millionen Salbutamol-MDI verkauft werden und dass, wenn es genehmigt wird, der neue Inhalator das Potenzial hat, die Treibhausgasemissionen pro Inhalator um 92% zu reduzieren. Das Unternehmen ergänzte, dass sein Salbutamol-MDI derzeit fast 45% seines gesamten globalen CO2-Fußabdrucks ausmacht.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Form 6-K
 
REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934
 
 
 
For the month of October 2025
 
Commission File Number 001-15170
 
 
GSK plc
(Translation of registrant's name into English)
 
 
79 New Oxford Street, London, WC1A 1DG
(Address of principal executive office)
 
 
 
Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
 
Form 20-F . . . .X. . . . Form 40-F . . . . . . . .
 
 
Issued: 22 October 2025, London UK
 
GSK announces positive pivotal phase III data for next-generation low carbon version of Ventolin (salbutamol) metered dose inhaler
 
●     Data confirm therapeutic equivalence and comparable safety profile for Ventolin (salbutamol) containing innovative low carbon propellant
●     Approximately 300 million salbutamol MDIs are sold globally every year1,2
●     If approved, this next-generation low carbon salbutamol has the potential to reduce greenhouse gas emissions by 92%3 per inhaler
●     GSK will proceed with regulatory submissions, with launch expected from 2026
 
GSK plc (LSE/NYSE: GSK) today announced positive phase III data from its clinical programme to develop a next-generation version of its metered dose inhaler (MDI), Ventolin (salbutamol). Data confirm that the formulation of salbutamol MDI containing an innovative low carbon propellant HFA-152a shows therapeutic equivalence and is comparable in safety to salbutamol MDI containing the current propellant, HFA-134a.
 
The findings will support regulatory submissions for the next-generation version, with launch expected from 2026, an important advance to bringing a more sustainable option to patients with respiratory disease.
 
Nearly half a billion people are affected by asthma and chronic obstructive pulmonary disease (COPD) around the world4 and approximately 300 million salbutamol MDIs are sold globally every year1,2. Used during an exacerbation, or "attack", salbutamol in an MDI can help by immediately treating a sudden onset of respiratory symptoms, such as breathlessness.
 
Kaivan Khavandi, SVP, Global Head, Respiratory, Immunology & Inflammation R&D, GSK, said: "Healthy air is essential for healthy lungs, and our next-generation salbutamol has the potential to reduce greenhouse gas emissions by 92%3 per inhaler. Almost six decades after its first development, this medicine remains highly valued by patients and healthcare professionals and is a key component of our respiratory portfolio. Today, we are one step closer to a reliever MDI that we believe will continue to help patients for many decades to come."
 
Due to the scale of volume and worldwide use, GSK's salbutamol MDI currently accounts for close to half (45%)5 of the company's total global carbon footprint. GSK has partnered to use cutting-edge propellant technologies to develop a next-generation low-carbon version and has added advanced manufacturing technologies to support launch of this inhaler. 
 
Prof. Ashley Woodcock, Professor of Respiratory Medicine at the University of Manchester, said: "While low carbon alternatives already exist, such as dry powder and soft mist inhalers, we know that many patients worldwide with both asthma and COPD prefer a salbutamol MDI to relieve their symptoms. These data should enable patients to use their preferred inhaler choice. This is a crucial advance to help global healthcare systems meet their climate targets at the same time as optimising the care of patients."
 
About inhaled medicines
Inhaled medicines are administered to the lungs using an inhaler device. There are two main types of devices, metered dose inhalers (MDIs) and dry power inhalers (DPIs). All MDIs use a propellant to administer the medicine from the inhaler into the patient's lungs. DPIs are propellant free, as the medicine is administered by the patients breathing in the powder, and therefore have a lower carbon impact compared to MDIs still using high global warming potential (GWP) propellants.
 
About GSK
GSK is a global biopharma company with a purpose to unite science, technology, and talent to get ahead of disease together. Find out more at gsk.com.
 
 
 
GSK enquiries
 
 
 
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Cautionary statement regarding forward-looking statements
GSK cautions investors that any forward-looking statements or projections made by GSK, including those made in this announcement, are subject to risks and uncertainties that may cause actual results to differ materially from those projected. Such factors include, but are not limited to, those described in the "Risk Factors" section in GSK's Annual Report on Form 20-F for 2024, and GSK's Q2 Results for 2025.
 
Registered in England & Wales:
No. 3888792
 
Registered Office:
79 New Oxford Street
London
WC1A 1DG
 
References
1 IQVIA; Data on file 2025.
2 MCTOC; 2022 Assessment Report MCTOC-Assessment-Report-2022.pdf (p16)
3 Plank et al. 2025. Decarbonizing Respiratory Care: The Impact of a Low-carbon Salbutamol Metered-dose Inhaler. ATS Journal. A1082-A7905: Life cycle assessment completed across seven countries for the year 2023 [Algeria, Australia, Canada, France, Poland, Romania, and Saudi Arabia].
4 The Lancet; May 2023. Global burden of chronic respiratory diseases and risk factors, 1990-2019: an update from the Global Burden of Disease Study 2019.
5 GSK Annual Report 2024 https://www.gsk.com/media/vounsu2k/strategic-report-2024.pdf (p69)
 
 
SIGNATURES
 
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorised.
 
GSK plc
 
(Registrant)
 
 
Date: October 22, 2025
 
 
 
 
By:/s/ VICTORIA WHYTE
--------------------------
 
 
 
Victoria Whyte
 
Authorised Signatory for and on
 
behalf of GSK plc

FAQ

What did GSK (GSK) announce in this 6-K?

GSK reported positive pivotal phase III data showing therapeutic equivalence and comparable safety for a low‑carbon Ventolin (salbutamol) MDI using propellant HFA‑152a.

When could GSK’s next‑generation Ventolin MDI launch?

GSK states regulatory submissions will proceed, with launch expected from 2026.

How much could the new inhaler reduce emissions?

GSK cites potential to reduce greenhouse gas emissions by 92% per inhaler.

How large is the salbutamol MDI market referenced by GSK?

GSK notes approximately 300 million salbutamol MDIs are sold globally every year.

Why is this important for GSK’s sustainability goals?

GSK indicates its salbutamol MDI accounts for close to 45% of the company’s total global carbon footprint.

What does ‘therapeutic equivalence’ mean here?

The new HFA‑152a Ventolin MDI demonstrated similar clinical effectiveness to the current HFA‑134a version, with a comparable safety profile in phase III.
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