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A Study on the Combination of Tongluo Huayu Formula in Treating RVO of Phlegm-Stasis Intertwinement Type: Based on the Mechanism of Systemic Metabolic Regulation Mediated by Gut Microbiota

17. juli 2026 oppdatert av: First Affiliated Hospital of Zhejiang University

A Study on the Combination of Tongluo Huayu Formula in Treating Retinal Vein Occlusion of Phlegm-Stasis Intertwinement Type: Based on the Mechanism of Systemic Metabolic Regulation Mediated by Gut Microbiota

The goal of this clinical trial is to evaluate the synergistic efficacy and safety of the Tongluo Huayu Formula combined with conventional Western medical treatment for RVO, thereby providing high-quality evidence to support its subsequent clinical promotion and application.

The control group will receive conventional Western medical therapy, including laser photocoagulation and intravitreal Conbercept injection. Specifically, Conbercept will be injected intravitreally once a month for 3 consecutive months. If large areas of retinal non-perfusion or fundus neovascularization occur during the study period, laser photocoagulation will be administered based on the patient's condition. The experimental group will receive the Tongluo Huayu Formula in addition to the standard therapy provided to the control group. The Tongluo Huayu Formula will be administered for 1 month. Relevant examinations and assessments for participants in both groups will be conducted at baseline (before treatment), and at 1, 2, 3, and 6 months after treatment.

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Studietype

Intervensjonell

Registrering (Antatt)

80

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studiesteder

  • Kina
    • Zhejiang
      • Hangzhou, Zhejiang, Kina, 310003
        • The first Affiliated Hospital, Zhejiang University School of Medicine
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Patients who meet the aforementioned Western diagnostic criteria and TCM syndrome differentiation criteria for RVO, and are complicated with macular edema.
  • Patients who fully understand the study and voluntarily sign the informed consent form.

Exclusion Criteria:

  • Patients currently participating in other clinical trials or receiving concomitant use of similar traditional Chinese medicines or other therapies.
  • Patients with other fundus retinal diseases, such as neovascular glaucoma or iris neovascularization.
  • Patients with severe systemic diseases, such as rheumatism or systemic lupus erythematosus.
  • Women who are pregnant or breastfeeding (lactating).
  • Patients with severe cardiovascular or cerebrovascular diseases, or those with severely impaired hepatic or renal function.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Behandling
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Eksperimentell: Experimental Group
Combined TCM and Western Medicine
Legemiddel: Conbercept Ophthalmic Injection
Intravitreal injection of Conbercept will be administered once a month for 3 consecutive months.
Annen: Tongluo Huayu Formula
The Tongluo Huayu Formula will be administered for 1 month.
Fremgangsmåte: Laser Photocoagulation
Laser photocoagulation will be administered if large areas of retinal non-perfusion or fundus neovascularization occur.
Aktiv komparator: Control Group
Conventional Western Medicine Only
Legemiddel: Conbercept Ophthalmic Injection
Intravitreal injection of Conbercept will be administered once a month for 3 consecutive months.
Fremgangsmåte: Laser Photocoagulation
Laser photocoagulation will be administered if large areas of retinal non-perfusion or fundus neovascularization occur.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Central Macular Thickness（CMT）
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment.
Central Macular Thickness (CMT) measured by Optical Coherence Tomography Angiography (OCTA) in micrometers (μm).
Baseline, and at 1, 2, 3, and 6 months after treatment.

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Best Corrected Visual Acuity(BCVA)
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Best Corrected Visual Acuity (BCVA) assessed using the standard logarithmic visual acuity chart, reported as LogMAR score.
Baseline, and at 1, 2, 3, and 6 months after treatment
Superficial retinal capillary plexus vessel density(VD-SCP)
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Superficial retinal capillary plexus vessel density (VD-SCP) measured by OCTA, reported as percentage (%) of vessel area.
Baseline, and at 1, 2, 3, and 6 months after treatment
Deep retinal capillary plexus vessel density (VD-DCP)
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Deep retinal capillary plexus vessel density (VD-DCP) measured by OCTA, reported as percentage (%) of vessel area.
Baseline, and at 1, 2, 3, and 6 months after treatment
Foveal Avascular Zone area(FAZ)
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Foveal Avascular Zone area(FAZ) measured by Optical Coherence Tomography Angiography (OCTA) in Square millimeters (mm²).
Baseline, and at 1, 2, 3, and 6 months after treatment
Ganglion Cell Layer Thickness(GCL)
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Ganglion Cell Layer Thickness(GCL) measured by Optical Coherence Tomography Angiography (OCTA) in micrometers (μm).
Baseline, and at 1, 2, 3, and 6 months after treatment
Ganglion Cell-Inner Plexiform Layer Thickness
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Ganglion Cell-Inner Plexiform Layer Thickness measured by Optical Coherence Tomography Angiography (OCTA) in micrometers (μm).
Baseline, and at 1, 2, 3, and 6 months after treatment
Carotid plaque
Tidsramme: Baseline, and at 3 and 6 months after treatment
Presence of carotid plaque (yes/no) measured by B-mode ultrasound.
Baseline, and at 3 and 6 months after treatment
Retinal circulation time
Tidsramme: Baseline, and at 3 and 6 months after treatment
Retinal circulation time measured by fundus fluorescein angiography (FFA) in Seconds (s)- typically arm-to-retina circulation time.
Baseline, and at 3 and 6 months after treatment
Retrobulbar blood flow
Tidsramme: Baseline, and at 3 and 6 months after treatment
Retrobulbar blood flow parameters measured by color Doppler ultrasound include peak systolic velocity (PSV, cm/s) and end-diastolic velocity (EDV, cm/s) and resistive index (RI).
Baseline, and at 3 and 6 months after treatment
Gut microbiota
Tidsramme: Baseline, and at 1, 2, 3, and 6 months after treatment
Gut microbiota measured by 16S rRNA sequencing include Alpha diversity (e.g., Shannon index) or Relative abundance of specific taxa (%).
Baseline, and at 1, 2, 3, and 6 months after treatment

Andre resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Temperature
Tidsramme: Baseline, and at 3 and 6 months after treatment
Temperature measured by an electronic thermometer in degrees Celsius (°C).
Baseline, and at 3 and 6 months after treatment
Heart rate
Tidsramme: Baseline, and at 3 and 6 months after treatment
Heart rate measured by automatic blood pressure monitor in beats per minute (bpm).
Baseline, and at 3 and 6 months after treatment
Blood pressure
Tidsramme: Baseline, and at 3 and 6 months after treatment
Blood pressure measured by automatic blood pressure monitor in Millimeters of mercury (mmHg) - report systolic and diastolic values separately.
Baseline, and at 3 and 6 months after treatment
Complete Blood Count
Tidsramme: Baseline, and at 3 and 6 months after treatment
Complete Blood Count, including white blood cell count (×10⁹/L), red blood cell count (×10¹²/L), hemoglobin (g/L), and platelet count (×10⁹/L), will be assessed via blood draw.
Baseline, and at 3 and 6 months after treatment
Urinalysis
Tidsramme: Baseline, and at 3 and 6 months after treatment
Urinalysis, performed on collected urine samples, includes measurements of protein (g/L), glucose (mmol/L), and red blood cells (/μL).
Baseline, and at 3 and 6 months after treatment
Liver and Renal Function Tests
Tidsramme: Baseline, and at 3 and 6 months after treatment
Liver function parameters (ALT and AST, in U/L) and renal function parameters (Cr and BUN, in μmol/L and mmol/L, respectively) will be measured via blood draw.
Baseline, and at 3 and 6 months after treatment
Coagulation Profile
Tidsramme: Baseline, and at 3 and 6 months after treatment
Blood samples will be collected to assess coagulation profile, including prothrombin time (PT, in seconds), activated partial thromboplastin time (APTT, in seconds), thrombin time (TT, in seconds), and fibrinogen (FIB, in g/L).
Baseline, and at 3 and 6 months after treatment
Cardiac function
Tidsramme: Baseline, and at 3 and 6 months after treatment
Electrocardiogram (ECG) will be used to evaluate cardiac function, with the following parameters recorded: heart rate (bpm), PR interval (ms), QRS duration (ms), and QT interval (ms).
Baseline, and at 3 and 6 months after treatment

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

First Affiliated Hospital of Zhejiang University

Samarbeidspartnere

Zhejiang Provincial Tongde Hospital
The Fourth Affiliated Hospital of Zhejiang University School of Medicine

Etterforskere

  • Hovedetterforsker: Hongguang Cui, Zhejiang University

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. juni 2026

Primær fullføring (Antatt)

1. desember 2028

Studiet fullført (Antatt)

31. desember 2028

Datoer for studieregistrering

Først innsendt

2. juni 2026

Først innsendt som oppfylte QC-kriteriene

17. juli 2026

Først lagt ut (Faktiske)

22. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

22. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

17. juli 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • IIT20260045C-R1

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

IPD-planbeskrivelse

Individual participant data (IPD) will not be shared with external researchers. The raw clinical data collected in this trial only serves for internal statistical analysis and scientific research of the research team, and there is no relevant data sharing plan at present.

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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