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NCT Number: NCT07668895

Evaluation of the Efficacy and Safety of Compound Betamethasone in Pulmonary Sarcoidosis

The goal of this clinical trial is to learn whether a study drug called Compound Betamethasone (also known as Diprospan) works to treat pulmonary sarcoidosis in people with early-stage disease (stage I or II). It will also learn about its safety compared to the standard treatment, prednisone.

The main questions it aims to answer are:

* How much does the study drug improve lung function (measured by a test called FVC%) after 24 weeks of treatment? * How does it compare to prednisone in controlling symptoms, reducing chest lymph node swelling, and preventing relapse? Researchers will compare Compound Betamethasone injections (given once every 4 weeks) to prednisone pills (taken daily with a gradual dose reduction).

Participants will:

* Receive either the study drug injection or prednisone pills for 24 weeks * Visit the clinic for checkups and lung function tests at weeks 6, 12, and 24 * Have chest CT scans and blood tests to monitor their condition and any side effects * Be followed up for additional 24 weeks (up to week 48) to see if the disease comes back after treatment stops

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Key information

Conditions

Sarcoidosis, Pulmonary Hemic and Lymphatic Diseases Hypersensitivity Hypersensitivity, Delayed Immune System Diseases Lung Diseases Lung Diseases, Interstitial Lymphatic Diseases Lymphoproliferative Disorders Respiratory Tract Diseases Sarcoidosis

Age range

18 year–100 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2 / Phase 3

Primary location

Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College

Beijing, Beijing Municipality, 100730, China

Location contact

Hui Huang

CONTACT

[email protected]

86+13391587917

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age ≥ 18 years.
  • Diagnosed within the past 3 months with stage I-II (based on chest CT) treatment-naive pulmonary sarcoidosis, meeting the following: A. Histopathological diagnosis of sarcoidosis via tissue biopsy (bronchial mucosa, intrathoracic lymph nodes, lung, pleura, etc.) obtained during bronchoscopy; B. Chest HRCT showing mediastinal and hilar lymphadenopathy, with or without pulmonary infiltrates (nodules, patchy opacities, ground-glass opacities, etc.); C. CT stage confirmed independently by at least two experts in the field (among three experts reviewing the chest HRCT images).
  • Requiring systemic glucocorticoid therapy.
  • Able to complete scheduled follow-up visits.
  • Patient and family members understand the study protocol, are willing to participate in this study, and are able to provide written informed consent.

Exclusion criteria

  • Patient or family members are unable to understand the conditions and objectives of this study, or are unable to provide informed consent.
  • Subjects who cannot comply with the follow-up schedule as required by the protocol.
  • Presence of other serious diseases that, in the investigator's judgment, may affect patient safety or compliance.
  • Any significant clinical or laboratory abnormalities that, in the investigator's judgment, may affect safety evaluation.
  • Pregnant or breastfeeding women, or patients who cannot use effective contraception during the study period and within 3 months after the study ends.
  • Active malignancy requiring treatment (surgery, medical therapy, or radiotherapy).
  • Hypersensitivity to Diprospan (Compound Betamethasone) or prednisone.

Treatment and study plan

Prednisone

Drug

Prednisone, oral administration. Starting dose of 40 mg once daily for 2 weeks, followed by gradual tapering according to the following schedule: reduce by half a tablet (2.5 mg) each week. When the dose is reduced to 1 tablet (5 mg) once daily, maintain for 2 weeks; then reduce to half a tablet (2.5 mg) once daily for 2 weeks; then reduce to half a tablet (2.5 mg) every other day for 2 weeks; then reduce to half a tablet (2.5 mg) twice weekly for 2 weeks, then discontinue. Total treatment duration is 24 weeks.

Compound betamethasone

Drug

Compound Betamethasone injection, administered intramuscularly. Each injection is 1 mL, given once every 4 weeks for a total of 6 injections, with a treatment period of 24 weeks.

Primary outcomes

  1. Change from baseline in percent predicted FVC after 24 weeks of treatment (%)

    Time frame: 24 weeks

Secondary outcomes

  1. Change in lymph node score as assessed by chest CT

    Time frame: 24 weeks, 36 weeks and 48 weeks

  2. Change from baseline in absolute FVC at 24 weeks of treatment (mL)

    Time frame: 24 weeks

  3. Change from baseline in percent predicted DLCO at 24 weeks of treatment (%)

    Time frame: 24 weeks

  4. Change from baseline in percent predicted FEV1 at 24 weeks of treatment (%)

    Time frame: 24 weeks

  5. Relapse rate of sarcoidosis at 24 weeks after treatment initiation

    Time frame: 24 weeks

  6. Relapse rate of sarcoidosis at 36 and 48 weeks after treatment initiation

    Time frame: 36 weeks and 48 weeks

Study contacts

Contact information is provided by the study sponsor or research team.

Hui Huang

CONTACT

[email protected]

86+13391587917

Sponsors and collaborators

Lead sponsor

Peking Union Medical College Hospital

Other

Registry information

Official study title

A Prospective, Multi-center, Randomized Controlled Clinical Trial to Evaluate the Efficacy and Safety of Compound Betamethasone in Pulmonary Sarcoidosis

Important dates

Study start
2026
Primary completion
2027
Study completion
2028
First posted
Jun 25, 2026
Registry last updated
Jun 25, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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