Last Updated: May 14, 2026

CLINICAL TRIALS PROFILE FOR VICODIN ES


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505(b)(2) Clinical Trials for VICODIN ES

This table shows clinical trials for potential 505(b)(2) applications. See the next table for all clinical trials
Trial Type Trial ID Title Status Sponsor Phase Start Date Summary
OTC NCT01588158 ↗ Patient Satisfaction With Pain Relief After Ambulatory Hand Surgery Terminated Massachusetts General Hospital Phase 4 2012-07-01 Adequate pain relief has been a priority of the Joint Commission and is featured on national inpatient surveys such as the H-CAHPS. When considering methods for improving satisfaction with pain relief in the United States, a great deal of emphasis has been placed on opioid pain medications. Some of this emphasis on opioid pain medication is driven by the pharmaceutical industry and by advocacy groups with ties to the pharmaceutical industry. There is evidence that the "pain is the fifth vital sign" campaign of the Joint Commission led to an increased incidence of prescription of opioids, but there is less evidence of improved satisfaction with pain relief. There is some evidence of an increase in opioid-related adverse events. As the sales of opioids have tripled from 1999-2008, so has the number of deaths caused by opioid overdose; 14,800 in 2008. The number of visits to the Emergency Department for opioid overdose doubled between 2004 and 2008. Patients in other countries take far less opioid pain medication and are equally satisfied with pain relief. For instance, Lindenhovius et al. found in a retrospective study that Dutch patients take a weak (Tramadol) or no opioid pain medication after ankle fracture surgery and have comparable or better satisfaction with pain relief than American patients, most of whom take oxycodone. That study was repeated prospectively (unpublished) and confirmed that Dutch patients do not feel their pain is undertreated. A study of morphine use after a femur fracture demonstrated that American patients used far more than Vietnamese patients (30 mg/kg versus 0.9 mg/kg), but were more dissatisfied with their pain relief. These sociological differences are striking and suggest strongly that personal factors may be the most important determinant of satisfaction with pain relief. It is our impression that most American hand surgeons give patients a prescription for an opioid pain medication after carpal tunnel release, and that is certainly true in our practice. This seems to be based primarily on the outliers, and intended to avoid confrontation with patients that desire opioids; however, most patients take little or no narcotic pain medication, and many who do use the opioids complain of the side effects-nausea and pruritis in particular. It is therefore not clear whether routine opioids is the optimal pain management strategy after carpal tunnel release. In the study of Stahl et al. from Israel, patients were prescribed acetaminophen rather than opioids after carpal tunnel release and only 20 of 50 patients used acetaminophen; 30 patients did not use acetaminophen or other pain medication at all after the operation. Our aim is to determine if there is a difference in satisfaction with pain relief between patients advised to take opioids compared to patients advised to use over the counter acetaminophen after carpal tunnel release under local anesthesia. A secondary aim is to determine if personal factors account for more of the variability in satisfaction with pain relief than opioid strategy.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for VICODIN ES

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00174538 ↗ Codeine in Sickle Cell Disease Completed PriCara, Unit of Ortho-McNeil, Inc. Phase 1/Phase 2 2005-03-01 The objective of this study is to determine if a subject's genetic make-up would affect the treatment response to codeine in subjects with sickle cell disease.
NCT00195728 ↗ Long Term Safety and Tolerability Study in Approximately 350 Subjects With Moderate to Severe Chronic, Non-malignant Pain Completed Abbott Phase 3 2005-06-01 The purpose of the study is to evaluate the safety of Vicodin CR (combination opioid and acetaminophen containing product) in patients with chronic pain due to osteoarthritis or low back pain.
NCT00298974 ↗ A Study of Pain Relief in Osteoarthritis Completed Abbott Phase 3 2006-02-01 The purpose of this study is to compare the safety and pain-relieving ability of Vicodin CR to placebo in subjects with osteoarthritis (OA) of the hip or knee.
NCT00304317 ↗ Celecoxib (Celebrex) in the Management of Acute Renal Colic Withdrawn Pfizer Phase 4 2006-03-01 The purpose of this trial is to quantify the amount Celebrex, a specific cyclooxygenase-2 (COX-2) inhibitor, when used for the management of acute renal colic for a ureteral stone will: - reduce pain medication usage - improve the percentage of spontaneous stone passage - decrease the time to spontaneous passage, and - shift the size distribution of stones passed towards larger sizes
NCT00304317 ↗ Celecoxib (Celebrex) in the Management of Acute Renal Colic Withdrawn University of Minnesota Phase 4 2006-03-01 The purpose of this trial is to quantify the amount Celebrex, a specific cyclooxygenase-2 (COX-2) inhibitor, when used for the management of acute renal colic for a ureteral stone will: - reduce pain medication usage - improve the percentage of spontaneous stone passage - decrease the time to spontaneous passage, and - shift the size distribution of stones passed towards larger sizes
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for VICODIN ES

Condition Name

Condition Name for VICODIN ES
Intervention Trials
Pain 10
Pain, Postoperative 3
Chronic Low Back Pain 3
Osteoarthritis 3
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Condition MeSH

Condition MeSH for VICODIN ES
Intervention Trials
Pain, Postoperative 5
Osteoarthritis 4
Chronic Pain 3
Low Back Pain 3
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Clinical Trial Locations for VICODIN ES

Trials by Country

Trials by Country for VICODIN ES
Location Trials
United States 169
Canada 1
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Trials by US State

Trials by US State for VICODIN ES
Location Trials
Texas 10
New York 10
Massachusetts 8
Maryland 7
Florida 7
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Clinical Trial Progress for VICODIN ES

Clinical Trial Phase

Clinical Trial Phase for VICODIN ES
Clinical Trial Phase Trials
Phase 4 14
Phase 3 8
Phase 2 7
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Clinical Trial Status

Clinical Trial Status for VICODIN ES
Clinical Trial Phase Trials
Completed 28
Withdrawn 4
Terminated 3
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Clinical Trial Sponsors for VICODIN ES

Sponsor Name

Sponsor Name for VICODIN ES
Sponsor Trials
Abbott 8
AbbVie (prior sponsor, Abbott) 2
Baylor College of Medicine 2
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Sponsor Type

Sponsor Type for VICODIN ES
Sponsor Trials
Other 30
Industry 17
NIH 5
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Vicodin ES (Hydrocodone Bitartrate and Acetaminophen): Clinical Trials Update and Market Projection

Last updated: April 24, 2026

What is Vicodin ES in the US?

Vicodin ES is an oral prescription opioid combination. It contains hydrocodone bitartrate and acetaminophen in a fixed-dose combination designed for pain management.

Standard formulation (labelled strength):

  • Hydrocodone bitartrate 7.5 mg
  • Acetaminophen 300 mg
    This corresponds to the marketed “ES” (extended strength) dosing convention used in the Vicodin portfolio.

What clinical-trial activity exists for Vicodin ES?

No trial-level update can be produced for “Vicodin ES” specifically from the information provided in the request. The drug is an established, widely marketed opioid combination, and public registries typically capture trials by active ingredient(s) and dosage form rather than every brand-strength combination. Without validated, brand-specific trial identifiers and endpoints, a complete and accurate “clinical trials update” cannot be constructed.

How does Vicodin ES compete in the US opioid analgesics market?

Market structure

US opioid analgesics for pain are dominated by:

  • Immediate-release (IR) opioid combinations (often hydrocodone/acetaminophen)
  • Immediate-release opioid monotherapies
  • Extended-release opioid products
  • Non-opioid analgesics that compete for the same pain indications

Vicodin ES competes most directly with:

  • Other hydrocodone/acetaminophen IR combination products
  • Products with different opioid actives but similar prescribing use cases

Demand drivers

The market is shaped by:

  • Prescriber preference within combination opioid categories
  • State and payer formularies
  • Safety monitoring requirements and opioid stewardship policies
  • Prior authorization and quantity limits
  • Shifts toward non-opioid and non-opioid-adjunct regimens

Pricing and payer positioning (brand vs. generics)

Vicodin-branded products face sustained competitive pressure from hydrocodone/acetaminophen generics, which typically cap brand share and compress net pricing. In most mature opioid combination categories, the dominant commercial reality is generic substitution and formulary controls, not new patent-driven uptake.

Regulatory and lifecycle constraints that drive forecast shape

For Vicodin ES, the commercial trajectory is constrained by:

  • Opioid class risk management initiatives across US payers and states
  • Ongoing label and REMS-adjacent controls for opioid prescribing
  • Litigation and opioid-related policy tightening that affects prescribing patterns broadly across the class

These forces typically create:

  • Slower net sales growth (or decline) post-peak
  • Continued share loss risk to generics and alternative classes
  • Greater dependence on formulary placement rather than differentiation

Market projection: what can be projected from available facts

A precise quantitative forecast requires confirmed inputs:

  • Current US net sales and brand share for Vicodin ES (not provided)
  • Conversion rates between brand and generic hydrocodone/acetaminophen products
  • Formulary and payer trend assumptions
  • Patent/market exclusivity status by specific strength (not provided)

Because the request requires a “market analysis and projection” and no numerical baseline is provided, a complete and accurate projection cannot be produced.

Commercial outlook framework (non-numeric)

Even without a numeric projection, the directional outlook for a marketed hydrocodone/acetaminophen IR combination is typically determined by:

Upside

  • Stable payer coverage within combination opioid formularies
  • Continued clinical use for acute pain and chronic pain flare settings where opioids remain part of care
  • Physician adherence to guideline-aligned use patterns that keeps volume stable

Downside

  • Rapid and persistent generic substitution
  • Tighter prescribing controls in multiple states and through payers
  • Increased preference for non-opioid alternatives (and non-opioid adjuvants)
  • Shrinking brand share and net pricing pressure

Key takeaways

  • Vicodin ES is an established hydrocodone bitartrate and acetaminophen oral opioid combination (7.5 mg/300 mg strength convention).
  • A brand-specific clinical trials update cannot be produced without validated trial identifiers and evidence tied to “Vicodin ES.”
  • Quantitative US market projection cannot be produced without a current sales/share baseline and payer/formulary assumptions specific to the brand-strength.
  • Directionally, commercial performance is governed by generic substitution pressure, payer controls, and opioid-class risk management trends.

FAQs

1) What drugs are in Vicodin ES?
Vicodin ES contains hydrocodone bitartrate plus acetaminophen (7.5 mg/300 mg strength convention).

2) Is Vicodin ES new or still under significant exclusivity?
Vicodin ES is an established product and faces generic substitution pressure; quantitative exclusivity-specific forecasting requires brand-strength status data not provided here.

3) Where does Vicodin ES fit in pain management?
It is used for pain indications where hydrocodone/acetaminophen combination therapy is selected in clinical practice.

4) Will new clinical trials likely drive demand?
For mature opioid combinations, market outcomes are usually driven more by formulary access and generic competition than by brand-new trial readouts, unless trials define a new regimen or label expansion (not addressed by provided inputs).

5) What most affects sales of Vicodin ES?
Payer formularies, opioid prescribing controls, and the extent of generic substitution in hydrocodone/acetaminophen combination classes.


References

[1] APA style citation unavailable because no specific source URLs or documents were provided in the prompt.

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