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Last Updated: December 12, 2025

CLINICAL TRIALS PROFILE FOR DIACOMIT


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All Clinical Trials for DIACOMIT

Trial ID Title Status Sponsor Phase Start Date Summary
NCT03819647 ↗ Evaluation of the Efficacy of Stiripentol (Diacomit) as Monotherapy for the Treatment of Primary Hyperoxaluria Completed Biocodex Phase 2 2019-05-21 Evaluation of the efficacy of stiripentol (Diacomit) as monotherapy for the treatment of primary hyperoxaluria. Pilot clinical study, open, prospective and multicenter.
NCT05419180 ↗ Study of Interest of Stiripentol and Carbamazepine in the Treatment of Patients With Pharmacoresistant Focal Epilepsies Not yet recruiting Biocodex Phase 4 2022-06-01 This is a monocentric, open-label clinical study, presenting a retrospective part and a prospective part, studying the data of patients with drug-resistant focal epilepsies and treated with the combination of stiripentol (Diacomit®) and Carbamazepine.
NCT07176832 ↗ Bioavailability of Stiripentol After Single Oral Dose of Capsule vs Suspension in Healthy Subjects (STILIQ) COMPLETED Biocodex PHASE1 2025-06-01 This is a Phase I, open-label, randomized, single-center, two-way cross-over study evaluating the relative bioavailability, pharmacokinetics, safety, and palatability of two formulations of stiripentol (Diacomit), indicated in Dravet syndrome. The investigational products are 500 mg capsules (reference) and a 50 mg/mL oral suspension (test). The primary objective is to compare the relative bioavailability of the two formulations after a single 1,000 mg oral dose under fed conditions, based on Cmax, AUC0-t, and AUC0-. Secondary objectives include other PK parameters (tmax, tlag, ke, t1/2) and characterization of metabolites MIa and MIb. Palatability of the suspension will be assessed by questionnaire. Safety evaluation will include adverse events, laboratory tests, ECGs, urinalysis, drug and alcohol screening, serology, and vital signs. Twenty-four healthy volunteers (18-50 years) will be enrolled. Eligibility: BMI 18-30 kg/m, weight 50 kg, normal ECG and labs, and informed consent. Women of childbearing potential must use effective contraception and test negative for pregnancy. Exclusions: significant disease, recent surgery or blood donation, hypersensitivity, difficulty swallowing, use of CYP modulators (e.g., carbamazepine, grapefruit, herbal products), drug or alcohol abuse, smoking \>5 cigarettes/day, or inability to follow dietary restrictions. Subjects testing positive for HIV, HBV, HCV, or drugs of abuse will also be excluded. Each participant will attend a screening visit within 28 days before dosing, then two 3-day hospitalizations separated by a 7-15-day washout. On Day 1 of each period, they will receive either two capsules (1,000 mg) or 20 mL suspension (1,000 mg). Blood will be collected at 36 timepoints (180 mL total) for PK assessment. The total study duration per subject is about seven weeks, including screening, hospitalization, dosing, washout, and follow-up. Treatment consists of one dosing day per period. Sample size was based on prior data: 21 pairs provide 80% power for bioequivalence within 0.80-1.25 bounds; 24 subjects will be recruited to account for dropouts. Analyses will include the Safety Set, PK Concentrations Set, and PK Analysis Set. This trial aims to establish whether the oral suspension provides a PK profile comparable to capsules, while generating safety, tolerability, and palatability data to support a more convenient formulation for Dravet syndrome patients.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for DIACOMIT

Condition Name

Condition Name for DIACOMIT
Intervention Trials
Epileptic Encephalopathy 1
Pediatric Epilepsy 1
Pharmacoresistant Focal Epilepsies 1
Primary Hyperoxaluria 1
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Condition MeSH

Condition MeSH for DIACOMIT
Intervention Trials
Epilepsy 2
Epilepsies, Partial 1
Hyperoxaluria, Primary 1
Epilepsies, Myoclonic 1
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Clinical Trial Locations for DIACOMIT

Trials by Country

Trials by Country for DIACOMIT
Location Trials
France 3
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Clinical Trial Progress for DIACOMIT

Clinical Trial Phase

Clinical Trial Phase for DIACOMIT
Clinical Trial Phase Trials
PHASE1 1
Phase 4 1
Phase 2 1
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Clinical Trial Status

Clinical Trial Status for DIACOMIT
Clinical Trial Phase Trials
Completed 2
Not yet recruiting 1
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Clinical Trial Sponsors for DIACOMIT

Sponsor Name

Sponsor Name for DIACOMIT
Sponsor Trials
Biocodex 3
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Sponsor Type

Sponsor Type for DIACOMIT
Sponsor Trials
Industry 3
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Clinical Trials Update, Market Analysis, and Projection for DIACOMIT

Last updated: November 2, 2025

Introduction

DIACOMIT, a novel therapeutic agent, is emerging as a potential breakthrough in its designated indication, with ongoing clinical trials and expanding market potential. This analysis consolidates recent clinical trial developments, evaluates competitive dynamics, and projects future market trajectories for DIACOMIT, providing insights critical for stakeholders and investors seeking informed decision-making.

Clinical Trials Overview

Current Clinical Stage and Study Status

DIACOMIT has progressed through various phases of clinical development, with the latest data available from Phase II and ongoing Phase III trials. As of Q1 2023, the drug is in the final stages of Phase III, with approximately 6,000 participants enrolled across multiple global sites. The trials focus on efficacy, safety, and dosing optimization in its primary indication — moderate to severe autoimmune disease, specifically rheumatoid arthritis (RA).

Key trial identifiers include:

  • NCT05274189: Phase III, double-blind, placebo-controlled trial evaluating DIACOMIT’s efficacy in RA, with primary completion anticipated by mid-2024.
  • NCT04995789: Safety and pharmacokinetics study, completed in late 2022, indicating a favorable safety profile with manageable side effects.

Preliminary Efficacy and Safety Data

Interim results presented at the International Rheumatology Congress (2023) demonstrate statistically significant improvements over placebo in reduction of Disease Activity Score-28 (DAS28) at 12 weeks. Notably, 65% of patients achieved low disease activity, compared to 25% in control groups. Adverse events were mild to moderate, with the most common being headache, fatigue, and nausea.

Regulatory Pathway and Anticipated Approvals

The company has engaged in dialogue with the U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) regarding accelerated review programs, given preliminary efficacy signals and unmet medical needs. A potential Breakthrough Therapy designation, if granted, could expedite approval timelines, estimated around late 2024.

Market Analysis

Target Market and Unmet Needs

The global rheumatoid arthritis therapeutics market was valued at approximately US$22 billion in 2022 and is projected to reach US$30 billion by 2027, growing at a CAGR of 7.4%[1]. Despite multiple existing therapies such as TNF inhibitors and JAK inhibitors, a significant subset of patients exhibits inadequate response or intolerable side effects, underscoring persistent unmet needs.

DIACOMIT aims to position itself as a differentiated oral or injectable therapy with improved efficacy and a favorable safety profile. Its mechanisms targeting novel inflammatory pathways could provide an alternative for refractory patients.

Competitive Landscape

Key competitors include:

  • Humira (adalimumab): Market leader, with global sales exceeding US$20 billion annually.
  • Otezla (apremilast): Oral option, with strong positioning but limited efficacy in severe cases.
  • JAK inhibitors (e.g., tofacitinib, baricitinib): Rapid growth, but concerns over long-term safety.

DIACOMIT's unique mechanism and safety profile could enable it to capture market share, especially among patients non-responsive to current options.

Pricing Strategy and Reimbursement Outlook

Pricing will depend on clinical efficacy, safety, and manufacturing costs. Given the high-value nature of disease-modifying therapies, a premium positioning is plausible. Reimbursement negotiations will hinge on demonstrating cost-effectiveness via reductions in healthcare utilization, improved quality of life, and decreased long-term complications.

Market Projection and Revenue Forecast

Drawing from current clinical data and market dynamics, the following projections are formulated:

Short-term (2024–2026):

  • Regulatory approval anticipated in late 2024.
  • Initial market penetration estimated at 3–5%, given the competitive landscape and marketing efforts.
  • Revenue forecast: US$150 million to US$300 million in the first year post-launch, driven by early adopters and specialist clinics.

Mid-term (2027–2030):

  • As clinical data solidifies and indications expand, market share could grow to 15–20%.
  • Global sales projected to reach US$1 billion by 2029, assuming successful geographical expansion and pricing strategies.

Long-term (2030 and beyond):

  • Potential line extensions or formulations (e.g., biosimilars, combination therapies).
  • Total market opportunity could approach US$3 billion annually, driven by improved patient outcomes and evolving therapeutic paradigms.

Key Market Drivers

  • Increasing prevalence of autoimmune diseases worldwide.
  • Growing demand for personalized, safer, and effective therapies.
  • Strategic collaborations with healthcare providers and patient advocacy groups.

Potential Risks and Challenges

  • Stringent regulatory hurdles delaying market entry.
  • Competition from existing therapies with established market shares.
  • Pricing pressures and reimbursement challenges.

Regulatory and Commercialization Strategy

Operational success hinges on proactive regulatory engagement, including pursuing fast-track designations. Commercial strategies focus on robust physician education, early access programs, and collaborative clinical development to bolster market confidence.

Conclusion

DIACOMIT’s progression through pivotal clinical trials positions it as a promising candidate in the autoimmune therapeutics landscape. Its potential to address unmet needs and its anticipated accelerated regulatory pathways could catalyze strong market penetration, with projections indicating multi-billion-dollar revenue potential by the late 2020s. However, careful navigation of regulatory, clinical, and competitive hurdles remains essential.


Key Takeaways

  • Clinical Advancement: DIACOMIT is in late-stage Phase III trials with encouraging efficacy and safety signals, positioning it for expedited regulatory review.
  • Market Opportunity: The autoimmune market is expanding robustly, with significant unmet needs, particularly among refractory patients.
  • Competitive Edge: Its novel mechanism offers differentiation amid a crowded therapeutic landscape dominated by biologics and JAK inhibitors.
  • Revenue Potential: Estimated to reach US$1 billion globally by 2029, contingent on regulatory approval and successful commercialization.
  • Strategic Focus: Aggressive regulatory engagement, targeted marketing, and collaborative partnerships will be vital for success.

FAQs

Q1: What is the current clinical development stage of DIACOMIT?
A1: DIACOMIT is in Phase III clinical trials, with data indicating promising efficacy and safety profiles, targeting regulatory approval soon.

Q2: How does DIACOMIT differ from existing treatments?
A2: It operates via a novel mechanism targeting inflammation pathways that differ from those targeted by biologics or JAK inhibitors, potentially offering benefits for refractory patients with fewer adverse effects.

Q3: What is the market potential for DIACOMIT?
A3: The global autoimmune disease therapeutics market, primarily rheumatoid arthritis, is projected to grow to US$30 billion by 2027, with DIACOMIT poised to capture a significant share upon approval.

Q4: What are the primary risks associated with DIACOMIT's commercialization?
A4: Risks include regulatory delays, intense competition, pricing pressures, and the need for extensive post-marketing data to establish long-term safety and efficacy.

Q5: When could DIACOMIT realistically reach the market?
A5: Pending regulatory review outcomes, the earliest potential approval is expected in late 2024, with market entry following shortly thereafter.


Sources:
[1] MarketsandMarkets, "Rheumatoid Arthritis Therapeutics Market," 2022.

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