Last Updated: May 26, 2026

CLINICAL TRIALS PROFILE FOR METHADOSE


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All Clinical Trials for Methadose

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00149630 ↗ Pharmacogenetics of Disulfiram for Cocaine Completed National Institute on Drug Abuse (NIDA) Phase 2 2005-01-01 Previous research has shown that disulfiram, a medication sometimes used for treating alcoholism, discourages cocaine use among cocaine addicts who are undergoing methadone treatment. By blocking the enzyme dopamine beta hydroxylase (DBH), disulfiram increases levels of dopamine and produces an unpleasant sense of hyperstimulation and discomfort in cocaine users. This study will evaluate the effectiveness of disulfiram in preventing drug relapse among cocaine and opiate addicts with varying inherited levels of DBH.
NCT00149630 ↗ Pharmacogenetics of Disulfiram for Cocaine Completed Yale University Phase 2 2005-01-01 Previous research has shown that disulfiram, a medication sometimes used for treating alcoholism, discourages cocaine use among cocaine addicts who are undergoing methadone treatment. By blocking the enzyme dopamine beta hydroxylase (DBH), disulfiram increases levels of dopamine and produces an unpleasant sense of hyperstimulation and discomfort in cocaine users. This study will evaluate the effectiveness of disulfiram in preventing drug relapse among cocaine and opiate addicts with varying inherited levels of DBH.
NCT00149630 ↗ Pharmacogenetics of Disulfiram for Cocaine Completed Baylor College of Medicine Phase 2 2005-01-01 Previous research has shown that disulfiram, a medication sometimes used for treating alcoholism, discourages cocaine use among cocaine addicts who are undergoing methadone treatment. By blocking the enzyme dopamine beta hydroxylase (DBH), disulfiram increases levels of dopamine and produces an unpleasant sense of hyperstimulation and discomfort in cocaine users. This study will evaluate the effectiveness of disulfiram in preventing drug relapse among cocaine and opiate addicts with varying inherited levels of DBH.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Methadose

Condition Name

Condition Name for Methadose
Intervention Trials
Pain 3
Cancer Pain 1
Neoplasms 1
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Condition MeSH

Condition MeSH for Methadose
Intervention Trials
Cancer Pain 2
Opioid-Related Disorders 2
Neoplasms 1
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Clinical Trial Locations for Methadose

Trials by Country

Trials by Country for Methadose
Location Trials
United States 6
Canada 4
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Trials by US State

Trials by US State for Methadose
Location Trials
Texas 2
New York 1
Kentucky 1
South Carolina 1
Arizona 1
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Clinical Trial Progress for Methadose

Clinical Trial Phase

Clinical Trial Phase for Methadose
Clinical Trial Phase Trials
Phase 4 2
Phase 3 1
Phase 2 2
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Clinical Trial Status

Clinical Trial Status for Methadose
Clinical Trial Phase Trials
Completed 4
Terminated 2
Not yet recruiting 1
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Clinical Trial Sponsors for Methadose

Sponsor Name

Sponsor Name for Methadose
Sponsor Trials
National Cancer Institute (NCI) 2
Yale University 1
Ottawa Hospital Research Institute 1
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Sponsor Type

Sponsor Type for Methadose
Sponsor Trials
Other 11
NIH 3
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METHADOSE (Methadone) Clinical Trials Update, Market Analysis, and Projection

Last updated: May 3, 2026

What is METHADOSE and how is it positioned commercially?

METHADOSE is a methadone hydrochloride product in the oral dosage form used in opioid use disorder (OUD) treatment, including maintenance therapy and detoxification protocols where clinically appropriate. In the U.S., METHADOSE is marketed by Purdue Pharma L.P. as a branded methadone product.

From a market structure standpoint, METHADOSE competes in a therapeutic area with:

  • Generic methadone oral formulations (pricing pressure is the primary driver in most tendered or payer-influenced channels).
  • Other OUD pharmacotherapies, including buprenorphine-based therapies and extended-release naltrexone, which compete on access, dosing logistics, and payer coverage.

Commercial implication: branded methadone products typically sustain performance through channel-specific contracting, patient-specific adherence history, clinician familiarity, and formulary placement in certain geographies or payer segments. Absent exclusivity advantages (methadone is long off-patent in practice), the growth ceiling is driven more by formulary and procurement than by differentiation.


What is the clinical trials update for methadone products (including METHADOSE)?

A complete, product-specific clinical-trial register for METHADOSE by name is not deterministically extractable from public sources at the level needed for an unambiguous “current active trials” statement. Public registries usually track by active ingredient and therapeutic area rather than branded product, and trials often include multiple methadone formulations under a single therapeutic protocol.

What can be stated from the clinical landscape without relying on incomplete product-name mapping:

Trial patterns that persist in the methadone OUD space

Methadone studies typically cluster into:

  • Comparative effectiveness versus other medication-assisted treatments (MOUD), especially buprenorphine.
  • Dosing regimen optimization (induction and stabilization schedules).
  • Adherence, retention, and diversion risk mitigation (counseling models, dispensing structures, monitoring approaches).
  • Special populations (pregnancy, adolescents in OUD programs, co-morbid substance use, and medication interactions).
  • Health economics and service delivery (clinic access models, telemedicine-adjacent workflows, contingency management adjuncts).

Practical conclusion for investors and R&D

For branded methadone products, the pipeline signal is less about new efficacy breakthroughs and more about:

  • Maintaining or improving market access (formularies, prior authorization pathways, and dispensing rules).
  • Defending against generic substitution via contracting and logistics rather than new clinical claims.

Actionable lens: In the absence of new formulation exclusivity, clinical development tends to be incremental and payer-relevant (real-world outcomes, retention metrics, and adherence).


How big is the methadone OUD market, and what does that mean for METHADOSE?

Market size logic

The methadone OUD market is a subset of the overall MOUD market (methadone + buprenorphine products + extended-release naltrexone). Even where methadone has a long history, the total addressable population is driven by:

  • OUD prevalence
  • Treatment penetration (treated vs untreated)
  • Retention rates
  • Regulatory and clinic capacity constraints

Competitive dynamics

Branded methadone (such as METHADOSE) competes primarily on:

  • Contracting and distribution
  • Formulary inclusion
  • Patient and prescriber switching
  • Generic price levels
  • Continuity of care (patients are often maintained on a stable methadone regimen)

Key market risk

  • Generic substitution: methadone generics exert downward pressure on net pricing.
  • Shifts in prescribing toward buprenorphine: payer pathways and convenience can favor sublingual/buccal options.
  • Regulatory compliance costs for opioid treatment programs (OTPs) remain a structural friction, which can slow uptake independent of drug choice.

What are the near- and medium-term growth drivers for METHADOSE?

Demand drivers

  • OUD patient retention on methadone after stabilization
  • OTPs continuing to use methadone-based protocols
  • Switchback effects where patients do not tolerate buprenorphine and revert to methadone

Supply and access drivers

  • Formulary and rebate discipline at the payer level
  • Distribution reliability and allocation resilience
  • Prescriber familiarity and stability of patient dosing regimens

Offsetting headwinds

  • Net price compression from generic competition
  • Therapeutic switching as MOUD prescribing patterns evolve
  • Demand volatility from changes in clinic capacity and local enforcement

Market projection: what scenarios fit a methadone branded product like METHADOSE?

A precise numeric forecast requires product-level data (market share, units, net price, and payer mix). Without that, a defensible projection framework is built from industry-standard drivers:

Base-case projection (typical branded methadone trajectory)

  • Units: broadly stable to modestly growing with OUD treatment demand and OTP capacity.
  • Net revenue: constrained by generic price pressure, offset partly by patient continuity and contracted channels.
  • Share: stable to slightly down unless METHADOSE secures or expands formulary positioning in key accounts.

Downside scenario

  • Increased generic substitution and payer-driven switches toward alternative MOUDs reduce net revenue growth even if total treated population increases.

Upside scenario

  • Improved formulary positioning, stronger rebate performance, and clinic contracting expand METHADOSE share in specific regions, lifting revenue per treated patient despite lower category-level pricing.

What to watch (observable KPIs)

  • OTPs capacity indicators (patient throughput changes)
  • Formulary status changes for methadone oral products
  • Average net pricing trends in the methadone category
  • MOUD prescribing mix shifts between methadone and buprenorphine

Key competitive positioning: where METHADOSE wins and loses

Where METHADOSE is advantaged

  • Established OTP protocols that already use methadone
  • Patient continuity where switching is clinically or programmatically disfavored
  • Contracted channels with stable procurement for oral methadone

Where METHADOSE faces pressure

  • Payers pushing toward lower-cost alternatives
  • Formulary preference changes favoring buprenorphine access pathways
  • Generic substitution in channels with competitive bidding

Regulatory and label context that affects business outcomes

Methadone is a controlled opioid requiring tight compliance across:

  • Storage and handling
  • Dispensing rules
  • OTP program adherence structures These constraints affect total category economics, including procurement reliability and patient access timelines.

Key Takeaways

  • METHADOSE is a branded methadone oral product used in OUD care, operating in a market dominated by generic substitution and payer/channel contracting rather than new clinical differentiation.
  • Clinical development in methadone OUD tends to be incremental and protocol-driven; product-specific trial signals for METHADOSE are not reliably public at the granularity needed for a definitive “active trials by branded name” update.
  • Market performance is primarily a function of access and net pricing, with growth capped by generic pressure and offset by patient retention and OTP prescribing continuity.
  • Projections should be framed around unit stability versus net price compression; the decisive variables are formulary status, rebate strategy, and prescribing mix among MOUD.

FAQs

  1. Is METHADOSE used only for maintenance in OUD?
    It is used within OUD treatment protocols that include maintenance and detoxification contexts where clinically appropriate.

  2. Does methadone have ongoing clinical trial innovation?
    Methadone research continues, but most activity focuses on dosing, service delivery, comparative effectiveness, and adherence or retention outcomes rather than new mechanism breakthroughs.

  3. What is the biggest business risk for METHADOSE?
    Generic substitution and payer-driven net price pressure.

  4. What is the biggest business driver?
    Patient retention and stable OTP prescribing through access and contracting.

  5. How should market projections be modeled?
    Use a two-factor framework: (1) treated-patient unit demand and (2) net pricing after rebates and generic competition, then apply share drift based on formulary and contracting.


References

[1] U.S. Food and Drug Administration. Approved Drug Products: Methadone Hydrochloride and related label and product information databases. https://www.accessdata.fda.gov/
[2] U.S. National Library of Medicine. ClinicalTrials.gov (methadone, opioid use disorder; search and registry data). https://clinicaltrials.gov/
[3] World Health Organization. Opioid overdose and opioid use disorder treatment guidance (context for MOUD and methadone roles). https://www.who.int/

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