Iris Structural Changes With Tamsulosin vs. Silodosin in Benign Prostatic Hyperplasia Patients
Comparison of the Efficacy of Tamsulosin and Silodosin on Anatomical Iris Changes in Patients With Benign Prostatic Hyperplasia: A Single-blind Randomized Clinical Trial
Inhibition of alpha-1 adrenergic receptors by drugs such as tamsulosin and silodosin, which are prescribed for the treatment of benign prostatic hyperplasia, can lead to intraoperative floppy iris syndrome (IFIS) during cataract surgery. IFIS is a phenomenon characterized by a small, poorly dilating pupil and causes surgical difficulty.
Main objective: To determine and compare changes in the anatomical structure of the iris in patients with BPH before and after treatment with tamsulosin and silodosin.
Men aged 50 years and older with a definitive diagnosis of BPH who have no prior history of alpha-blocker use will be enrolled in one of the two treatment arms - tamsulosin or silodosin. Imaging will be performed using an MS-39 device (manufactured by CSO, Italy); assessments will be conducted at two time points - before the start of treatment and after three months of continuous drug use. At baseline and three months after treatment, using AS-OCT, the DMR and SMR regions and other ocular angle indices will be measured. Medication adherence will be assessed by counting the capsules used by each patient.
Specific Objectives:
- To determine changes in the dilator muscle region (DMR) under scotopic, mesopic, photopic, and post-dilation conditions from baseline to the third month in the tamsulosin & silodosin groups and compare them.
- To determine changes in SMR under scotopic, mesopic, photopic, and post-dilation conditions from baseline to the third month in the tamsulosin & silodosin groups and compare them.
調査の概要
状態
研究の種類
入学 (推定)
段階
- フェーズ 4
連絡先と場所
研究連絡先
- 名前：Mohsen Pourazizi, Assistant Professor
- 電話番号：98 + 09379578055
- メール：m.pourazizi@yahoo.com
参加基準
適格基準
就学可能な年齢
- 大人
- 高齢者
健康ボランティアの受け入れ
説明
Inclusion Criteria:
- Men ≥ 50 years old with a definitive diagnosis of BPH by a urologist colleague.
- Patients with moderate symptoms based on the International Prostate Symptom Score (IPSS): score 8 to 19
- No prior use of alpha-blockers (tamsulosin, silodosin, doxazosin, etc.)
- Satisfactory vision for imaging and acceptable scan quality according to device criteria.
- Consent to participate in the study
Exclusion Criteria:
- Insufficient image quality in assessments
- History of intraocular surgery
- Uncontrolled hypertension
- Iris trauma
- Patient unwillingness to continue participation in the study
- Occurrence of unwanted systemic complications during the study
- Incorrect medication adherence during the study
- Diabetes
- Hypertension
研究計画
研究はどのように設計されていますか？
デザインの詳細
- 主な目的：処理
- 割り当て：ランダム化
- 介入モデル：並列代入
- マスキング：独身
武器と介入
参加者グループ / アーム |
介入・治療 |
|---|---|
|
アクティブコンパレータ：Group 1: Tamsulosin
Tamsulosin 0.4 mg, daily.
|
Tamsulosin 0.4 mg, daily.
|
|
アクティブコンパレータ：Group 2: Silodosin
Silodosin 8 mg, daily.
|
Silodosin 8 mg, daily.
|
この研究は何を測定していますか？
主要な結果の測定
結果測定 |
メジャーの説明 |
時間枠 |
|---|---|---|
|
Changes in the dilator muscle region (DMR)
時間枠：From baseline to the third month.
|
To determine changes in the DMR under scotopic, mesopic, photopic, and post-dilation conditions.
|
From baseline to the third month.
|
|
Changes in the sphincter muscle region (SMR)
時間枠：From baseline to the third month
|
To determine changes in the SMR under scotopic, mesopic, photopic, and post-dilation conditions.
|
From baseline to the third month
|
|
Changes in the DMR/SMR ratio
時間枠：From baseline to the third month
|
To determine changes in the DMR/SMR ratio under scotopic, mesopic, photopic, and post-dilation conditions.
|
From baseline to the third month
|
協力者と研究者
スポンサー
捜査官
- スタディディレクター：Mohsen Pourazizi、Isfahan University of Medical Sciences, Feiz Hospital, Isfahan Isfahan, Isfahan, Iran
研究記録日
主要日程の研究
研究開始 (推定)
一次修了 (推定)
研究の完了 (推定)
試験登録日
最初に提出
QC基準を満たした最初の提出物
最初の投稿 (実際)
学習記録の更新
投稿された最後の更新 (実際)
QC基準を満たした最後の更新が送信されました
最終確認日
詳しくは
本研究に関する用語
追加の関連 MeSH 用語
その他の研究ID番号
- IR.ARI.MUI.REC.1405.118
医薬品およびデバイス情報、研究文書
米国FDA規制医薬品の研究
米国FDA規制機器製品の研究
米国で製造され、米国から輸出された製品。
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