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Data updated: May 26, 2026

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE (sodium phosphate, dibasic, anhydrous)

Gastrointestinal Approved 2011-12-30

Monobasic Sodium Phosphate and Dibasic Sodium Phosphate tablets are used for cleansing the colon in adults who are preparing for a colonoscopy. This medication helps patients by clearing the bowel to ensure the area is ready for a medical examination. It acts as an osmotic laxative to facilitate the necessary preparation required before the procedure.

Source: FDA Label • NOVEL LABS INC

How MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE Works

This medication works by using the osmotic effect of sodium to increase water retention within the colon. This physiological process results in loose stools, which helps clear the digestive tract.

Source: FDA Label
1
Indication
--
Phase 3 Trials
14
Years on Market

Details

Status
Prescription
First Approved
2011-12-30
Routes
ORAL
Dosage Forms
TABLET

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE Approval History

2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
1 FDA actions from 2011 to 2011
Dec 2011 ORIGINAL
Update

What MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE Treats

2 indications

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE is approved for 2 conditions since its original approval in 2011. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Colon cleansing
  • Colonoscopy preparation
Source: FDA Label

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE Boxed Warning

BOXED WARNING WARNING: ACUTE PHOSPHATE NEPHROPATHY There have been rare, but serious reports of acute phosphate nephropathy in patients who received oral sodium phosphate products, including Monobasic Sodium Phosphate and Dibasic Sodium Phosphate Tablets, for colon cleansing prior to colonoscopy. Some cases have resulted in permanent impairment of renal function and some patients required long-term dialysis [see Warnings and Precautions ( 5.1 )] . While some cases have occurred in patients witho...

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE Competitive Set

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2

Same indication, different mechanism — what else might this patient receive?

Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

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Key Completed Trials

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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.

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE FDA Label Details

Indications & Usage

MONOBASIC SODIUM PHOSPHATE AND DIBASIC SODIUM PHOSPHATE is indicated for the treatment of Colon cleansing; Colonoscopy preparation.

⚠️ BOXED WARNING

BOXED WARNING WARNING: ACUTE PHOSPHATE NEPHROPATHY There have been rare, but serious reports of acute phosphate nephropathy in patients who received oral sodium phosphate products, including Monobasic Sodium Phosphate and Dibasic Sodium Phosphate Tablets, for colon cleansing prior to colonoscopy. So...

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Data Sources

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