TheraRadar
Data updated: May 26, 2026

METOLAZONE

Cardiovascular Approved 2003-12-19

METOLAZONE is indicated for the treatment of Salt and Water Retention; Edema; Congestive Heart Failure; Renal Disease; Nephrotic Syndrome; Hypertension.

Source: FDA Label • Novartis
12
Indications
--
Phase 3 Trials
22
Years on Market

Details

Status
Prescription
First Approved
2003-12-19
Routes
ORAL
Dosage Forms
TABLET

METOLAZONE Approval History

2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
Original
New Indication
New Form
Label Update
54 FDA actions from 2003 to 2026
Jan 2026 SUPPL
Mfg · Manufacturing (CMC)
Nov 2024 ORIGINAL
Update
Apr 2024 ORIGINAL
Update

What METOLAZONE Treats

6 indications

METOLAZONE is approved for 6 conditions since its original approval in 2003. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Salt and Water Retention
  • Edema
  • Congestive Heart Failure
  • Renal Disease
  • Nephrotic Syndrome
  • Hypertension
Source: FDA Label

METOLAZONE Competitive Set

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

Drugs Similar to METOLAZONE

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Clinical Trial Registry

7 trials
Trial Sponsor ID Phase Status Title
NCT07372040 Acute Heart Failure 2026 Ph 2 recruiting Add-on Diuretics in Acute Decompensated Heart Failure
NCT04438213 2000027951 MISP59625 Ph 2 recruiting Ertugliflozin in Chronic Heart Failure
NCT04542304 results posted 56566 Ph 2 terminated Efficacy of Diuretics in Kidney Disease
NCT05986773 P-Value-AHF P-Value-AHF Ph 4 terminated Diuretic Strategies in Acute Heart Failure Patients at High Risk for Diuretic Resistance
NCT06414759 CL3575 IHC00077 Ph 4 recruiting Efficacy and Safety of Combination Diuretic Therapy in Patients With Acute Decompensated Heart Failure and Volume Overload
NCT05633758 MELT-HF IRB-14-6311 Ph 2 withdrawn Metolazone As Early Add On Therapy For Acute Decompensated Heart Failure
NCT02606253 results posted VU-IRB-TBD Ph 4 completed Comparison of Oral or Intravenous Thiazides vs Tolvaptan in Diuretic Resistant Decompensated Heart Failure
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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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.

METOLAZONE FDA Label Details

Indications & Usage

METOLAZONE is indicated for the treatment of Salt and Water Retention; Edema; Congestive Heart Failure; Renal Disease; Nephrotic Syndrome; Hypertension.

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Data Sources

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