TheraRadar
Data updated: May 26, 2026

BLUDIGO (indigotindisulfonate sodium)

Urology Approved 2022-07-08

Bludigo is a diagnostic dye used to help surgeons check the integrity of the ureters in adult patients. It is typically administered following various urological or gynecological surgeries, including open, robotic, and endoscopic procedures. By providing a clear visual aid during a cystoscopic assessment, it helps medical professionals confirm that the ureters are intact after the operation.

Source: FDA Label • PROVEPHARM SAS

How BLUDIGO Works

This drug works by acting as a deep blue dye that the kidneys filter and excrete through tubular secretion. Once excreted, the concentrated color enhances the visibility of the ureteral orifices, allowing for a clearer assessment of the urinary tract's structure.

1
Indication
--
Phase 3 Trials
3
Years on Market

Details

Status
Prescription
First Approved
2022-07-08
Patent Cliff
2037

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Routes
INTRAVENOUS
Dosage Forms
SOLUTION

Companies

Active Ingredient: INDIGOTINDISULFONATE SODIUM

BLUDIGO Approval History

2023
2024
2025
2026
Original
New Indication
New Form
Label Update
2 FDA actions from 2022 to 2023
Apr 2023 SUPPL
Label · Labeling
Jul 2022 ORIGINAL
Update · Type 7 - Drug Already Marketed without Approved NDA

What BLUDIGO Treats

2 indications

BLUDIGO is approved for 2 conditions since its original approval in 2022. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Ureteral integrity assessment following urological surgery
  • Ureteral integrity assessment following gynecological surgery
Source: FDA Label
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Trial Timeline

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

BLUDIGO FDA Label Details

Indications & Usage

FDA Label (PDF)

BLUDIGO is indicated for the treatment of Ureteral integrity assessment following urological surgery; Ureteral integrity assessment following gynecological surgery.

View full patent landscape →
3 OB patents · 1 families · 11 international docs across 3 countries

BLUDIGO Patents & Exclusivity

Latest Patent: Dec 2037
Exclusivity: Jul 2027

Patents (3 active)

US10927258 Expires Dec 23, 2037
US11499050 Expires Dec 23, 2037
US11845867 Expires Nov 25, 2036

Exclusivity

NCE Until Jul 2027
Source: FDA Orange Book

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  • Cliff: 2037
  • 3 active patents

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.