About this trial
The goal of this clinical trial is to learn whether Xiaojin Pill or Neixiao Luoli Pill can safely treat thyroid nodules in adults aged 18 to 65 years with benign or low-risk thyroid nodules. The main questions it aims to answer are:
* Does treatment with Xiaojin Pill or Neixiao Luoli Pill lower the size of thyroid nodules compared with lifestyle intervention alone? * Do Xiaojin Pill or Neixiao Luoli Pill improve thyroid nodule-related symptoms and ultrasound findings while remaining safe to use?
Researchers will compare lifestyle intervention plus Xiaojin Pill, lifestyle intervention plus Neixiao Luoli Pill, and lifestyle intervention alone to see if adding Xiaojin Pill or Neixiao Luoli Pill works better than lifestyle intervention by itself.
Participants will:
* Be randomly assigned to one of the three study groups; * Receive lifestyle intervention guidance throughout the study; * Take Xiaojin Pill, Neixiao Luoli Pill, or no study medicine for 12 weeks, depending on their group; * Attend follow-up visits that include thyroid ultrasound exams, blood tests to check thyroid function and safety, and symptom assessments.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults aged 18 to 65 years.
Diagnosed with single or multiple thyroid nodules confirmed by high-resolution ultrasound, with at least one measurable nodule.
ACR TI-RADS category 3 with a maximum nodule diameter ≥ 1.0 cm; or
ACR TI-RADS category 4 or 5 nodules evaluated by fine-needle aspiration and assessed as low-risk papillary thyroid carcinoma, suitable for active surveillance, with patient consent.
Disqualifiers
Thyroid nodules confirmed as malignant or follicular neoplasms requiring surgical intervention, or assessed by the investigator as unsuitable for active surveillance.
Presence of hyperthyroidism or hypothyroidism, defined as abnormal TSH, FT3, or FT4 levels.
History of severe cardiovascular, hepatic, renal, hematologic, psychiatric, autoimmune diseases, or other malignancies.
Pregnant or breastfeeding women, or women planning pregnancy during the study period.
Trial design
Parallel
Treatments tested in this trial
Xiaojin Pill
DrugXiaojin Pill is a traditional Chinese patent medicine administered orally at a dose of 3 g twice daily for 12 weeks.
Neixiao Luoli Pill
DrugNeixiao Luoli Pill is a traditional Chinese patent medicine administered orally at a dose of 9 g twice daily for 12 weeks.
Lifestyle Intervention
BehavioralLifestyle intervention includes stress management, emotional regulation, healthy diet, balanced iodine intake, avoidance of smoking and alcohol, adequate rest, and reduction of radiation exposure.
Treatment groups
Trial outcomes
Primary outcomes
Percentage Change in Thyroid Nodule Volume
Secondary outcomes
Change in Thyroid Nodule-Related Symptom Score Assessed by Visual Analog Scale (VAS)
Thyroid nodule-related symptoms include neck discomfort, swallowing difficulty, pressure sensation, and voice changes, assessed using a visual analog scale (VAS), with higher scores indicating more severe symptoms.
Change in Number of Thyroid Nodules
Change in Thyroid Nodule Ultrasound Characteristics Assessed by Standardized Ultrasound Examination
Thyroid nodule ultrasound characteristics include nodule shape, margin, echogenicity, calcification, and intranodular vascularity, assessed using standardized thyroid ultrasound examination.
Change in Thyroid Function Tests (Serum TSH, FT3, and FT4)
Thyroid function is assessed by measuring serum levels of thyroid-stimulating hormone (TSH), free triiodothyronine (FT3), and free thyroxine (FT4).
Sponsors and contacts
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