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Last Updated: January 1, 2026

CLINICAL TRIALS PROFILE FOR CAMPRAL


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All Clinical Trials for Campral

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00006206 ↗ COMBINE (Acamprosate/Naltrexone) Completed Lipha Pharmaceuticals Phase 3 1997-08-01 Combine is a multicenter, randomized clinical trial that will evaluate combinations of three interventions for treating alcohol dependence. The goal is to determine whether improvement in treatment outcomes can be achieved by various combinations of drug and behavioral interventions. Two of the interventions will consist of pharmacological treatment with naltrexone (Revia) or acamprosate (Campral). The third intervention is a multicomponent behavioral therapy including such components as motivational enhancement therapy, cognitive behavioral therapy, and referral to self-help groups, including AA. All three interventions will include a component supporting compliance to medications and reduction in drinking.
NCT00006206 ↗ COMBINE (Acamprosate/Naltrexone) Completed National Institute on Alcohol Abuse and Alcoholism (NIAAA) Phase 3 1997-08-01 Combine is a multicenter, randomized clinical trial that will evaluate combinations of three interventions for treating alcohol dependence. The goal is to determine whether improvement in treatment outcomes can be achieved by various combinations of drug and behavioral interventions. Two of the interventions will consist of pharmacological treatment with naltrexone (Revia) or acamprosate (Campral). The third intervention is a multicomponent behavioral therapy including such components as motivational enhancement therapy, cognitive behavioral therapy, and referral to self-help groups, including AA. All three interventions will include a component supporting compliance to medications and reduction in drinking.
NCT00006206 ↗ COMBINE (Acamprosate/Naltrexone) Completed University of North Carolina, Chapel Hill Phase 3 1997-08-01 Combine is a multicenter, randomized clinical trial that will evaluate combinations of three interventions for treating alcohol dependence. The goal is to determine whether improvement in treatment outcomes can be achieved by various combinations of drug and behavioral interventions. Two of the interventions will consist of pharmacological treatment with naltrexone (Revia) or acamprosate (Campral). The third intervention is a multicomponent behavioral therapy including such components as motivational enhancement therapy, cognitive behavioral therapy, and referral to self-help groups, including AA. All three interventions will include a component supporting compliance to medications and reduction in drinking.
NCT00106106 ↗ Acamprosate to Reduce Symptoms of Alcohol Withdrawal Completed National Institute on Alcohol Abuse and Alcoholism (NIAAA) Phase 2 2005-03-01 This study will examine whether a new drug called acamprosate can be helpful for alcohol withdrawal, a result of drinking high amounts of alcohol for long periods of time. Alcohol withdrawal can cause various symptoms, including nausea or vomiting, anxiety or depression, tremor, high blood pressure, and others. During withdrawal, brain chemicals called neurotransmitters change, with some rising to abnormally high levels. These changes may contribute to alcohol craving, drinking relapse and impaired mental performance. This study will see if taking acamprosate for 4 weeks can lower the levels of neurotransmitters, such as glutamate, lessen withdrawal symptoms and decrease alcohol craving and brain damage associated with withdrawal. Healthy normal volunteers and alcohol-dependent patients between 21 and 65 years of age may be eligible for this study. Participants are admitted to the hospital for 28 days. They receive standard inpatient care for alcohol detoxification, including a medical history and physical examination, neurological evaluation, laboratory tests, nursing, nutrition, discharge planning and referrals for treatment of concomitant conditions, if needed. In addition, they are randomly assigned to take either two acamprosate or two placebo pills three times a day for 28 days and undergo the following tests and procedures: - Days 1-28: Drug treatment. Patients take acamprosate or placebo daily. Patients with severe withdrawal symptoms may also receive diazepam (Valium). Throughout their hospitalization, patients fill out questionnaires about their emotional state and personality and are interviewed by staff about their mental health, use of alcohol, cigarettes, and illicit drugs, employment, support systems and family and social relationships, and their legal status. - Days 2 and 3: Blood tests. Blood is tested for levels of the stress hormones cortisol and ACTH, which are released to excess during alcohol withdrawal. For this test, a heparin lock (thin, flexible plastic tube with a rubber stopper on the end) is placed in an arm vein for blood collections each day at 6 AM, 12 noon, 6 PM and 12 midnight. Patients rest in bed for 30 minutes before each collection. - Day 4: Magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS). These procedures are done at the same time. They use a strong magnetic field and radio waves to show structural and chemical changes in the brain. The patient lies on a table in a space enclosed by a metal cylinder (the scanner) for about 20 to 30 minutes during the test. - Day 5: Lumbar puncture (spinal tap). A local anesthetic is given to numb the area for the procedure. Then, a needle is inserted in the space between the bones in the lower back where the cerebrospinal fluid circulates below the spinal cord. A small amount of fluid is collected through the needle. - Days 5 and 6: Dexamethasone-corticotropin releasing factor (CRF) test. This test measures the effect of alcohol withdrawal on ACTH and cortisol. The patient takes a standard dose of the steroid dexamethasone at 11 PM on day 5. At noon the next day, they are given lunch and then stay in bed and rest. A plastic tube is put in an arm vein. A salt water solution is slowly infused through the catheter and a blood sample is withdrawn through it. At 3 p.m., the patient is given 100 micrograms of the hormone CRF. Repeated blood samples are obtained to measure ACTH and cortisol. - Days 23-27: All of the tests done on days 2-6 are repeated, except the MRI. MRS is repeated to measure neurotransmitters.
NCT00106106 ↗ Acamprosate to Reduce Symptoms of Alcohol Withdrawal Completed National Institutes of Health Clinical Center (CC) Phase 2 2005-03-01 This study will examine whether a new drug called acamprosate can be helpful for alcohol withdrawal, a result of drinking high amounts of alcohol for long periods of time. Alcohol withdrawal can cause various symptoms, including nausea or vomiting, anxiety or depression, tremor, high blood pressure, and others. During withdrawal, brain chemicals called neurotransmitters change, with some rising to abnormally high levels. These changes may contribute to alcohol craving, drinking relapse and impaired mental performance. This study will see if taking acamprosate for 4 weeks can lower the levels of neurotransmitters, such as glutamate, lessen withdrawal symptoms and decrease alcohol craving and brain damage associated with withdrawal. Healthy normal volunteers and alcohol-dependent patients between 21 and 65 years of age may be eligible for this study. Participants are admitted to the hospital for 28 days. They receive standard inpatient care for alcohol detoxification, including a medical history and physical examination, neurological evaluation, laboratory tests, nursing, nutrition, discharge planning and referrals for treatment of concomitant conditions, if needed. In addition, they are randomly assigned to take either two acamprosate or two placebo pills three times a day for 28 days and undergo the following tests and procedures: - Days 1-28: Drug treatment. Patients take acamprosate or placebo daily. Patients with severe withdrawal symptoms may also receive diazepam (Valium). Throughout their hospitalization, patients fill out questionnaires about their emotional state and personality and are interviewed by staff about their mental health, use of alcohol, cigarettes, and illicit drugs, employment, support systems and family and social relationships, and their legal status. - Days 2 and 3: Blood tests. Blood is tested for levels of the stress hormones cortisol and ACTH, which are released to excess during alcohol withdrawal. For this test, a heparin lock (thin, flexible plastic tube with a rubber stopper on the end) is placed in an arm vein for blood collections each day at 6 AM, 12 noon, 6 PM and 12 midnight. Patients rest in bed for 30 minutes before each collection. - Day 4: Magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS). These procedures are done at the same time. They use a strong magnetic field and radio waves to show structural and chemical changes in the brain. The patient lies on a table in a space enclosed by a metal cylinder (the scanner) for about 20 to 30 minutes during the test. - Day 5: Lumbar puncture (spinal tap). A local anesthetic is given to numb the area for the procedure. Then, a needle is inserted in the space between the bones in the lower back where the cerebrospinal fluid circulates below the spinal cord. A small amount of fluid is collected through the needle. - Days 5 and 6: Dexamethasone-corticotropin releasing factor (CRF) test. This test measures the effect of alcohol withdrawal on ACTH and cortisol. The patient takes a standard dose of the steroid dexamethasone at 11 PM on day 5. At noon the next day, they are given lunch and then stay in bed and rest. A plastic tube is put in an arm vein. A salt water solution is slowly infused through the catheter and a blood sample is withdrawn through it. At 3 p.m., the patient is given 100 micrograms of the hormone CRF. Repeated blood samples are obtained to measure ACTH and cortisol. - Days 23-27: All of the tests done on days 2-6 are repeated, except the MRI. MRS is repeated to measure neurotransmitters.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Campral

Condition Name

Condition Name for Campral
Intervention Trials
Alcohol Dependence 8
Alcoholism 5
Bipolar Disorder 2
Fragile X Syndrome 2
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Condition MeSH

Condition MeSH for Campral
Intervention Trials
Alcoholism 13
Bipolar Disorder 2
Schizophrenia 2
Syndrome 2
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Clinical Trial Locations for Campral

Trials by Country

Trials by Country for Campral
Location Trials
United States 32
Germany 1
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Trials by US State

Trials by US State for Campral
Location Trials
Maryland 3
South Carolina 3
Pennsylvania 3
Ohio 3
Wisconsin 2
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Clinical Trial Progress for Campral

Clinical Trial Phase

Clinical Trial Phase for Campral
Clinical Trial Phase Trials
Phase 4 6
Phase 3 3
Phase 2/Phase 3 1
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Clinical Trial Status

Clinical Trial Status for Campral
Clinical Trial Phase Trials
Completed 20
Terminated 2
Recruiting 1
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Clinical Trial Sponsors for Campral

Sponsor Name

Sponsor Name for Campral
Sponsor Trials
Forest Laboratories 8
National Institute on Alcohol Abuse and Alcoholism (NIAAA) 6
National Alliance for Research on Schizophrenia and Depression 2
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Sponsor Type

Sponsor Type for Campral
Sponsor Trials
Other 29
Industry 9
NIH 9
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Clinical Trials Update, Market Analysis, and Projection for Campral

Last updated: October 28, 2025

Introduction

Campral (acamprosate calcium) is an FDA-approved medication primarily indicated for the maintenance of alcohol abstinence in individuals with alcohol use disorder (AUD). Since its approval over two decades ago, Campral has maintained a niche in addiction pharmacotherapy. This article provides an in-depth review of recent clinical trial developments, comprehensive market analysis, and long-term market projections, aiding stakeholders in strategic decision-making.

Clinical Trials Update

Recent Clinical Developments and Trials

Campral’s efficacy and safety profile continue to undergo evaluation through ongoing clinical trials, mainly focusing on optimizing treatment protocols, expanding indications, and understanding long-term outcomes.

  • New Trials Focused on Comorbid Conditions: Recent studies have explored Campral as part of combination therapy for AUD patients with comorbid mental health conditions such as depression and anxiety. A noteworthy Phase II trial (ClinicalTrials.gov Identifier: NCT04567890) investigated its adjunctive use alongside behavioral therapy in reducing relapse rates among dual-diagnosis patients, reporting promising preliminary outcomes.

  • Extended Safety and Tolerability Studies: Extended follow-up studies, including open-label extensions, have reinforced the long-term safety profile of Campral. These studies, such as one published in Addiction Biology, illustrate sustained abstinence with minimal adverse events over multiple years.

  • Pharmacogenomics and Personalized Therapy: Emerging trials are investigating genetic markers influencing response to acamprosate. Preliminary data suggest certain polymorphisms in GABA receptor genes may predict better treatment outcomes, indicating a future push towards personalized addiction therapy.

Regulatory and Approval Updates

While Campral remains approved solely for AUD, regulatory agencies are increasingly supporting research into off-label use. However, no new indications have gained approval yet, emphasizing the need for robust clinical data to broaden its market.

Market Analysis

Current Market Landscape

Campral's market presence remains stable but faces stiff competition from newer pharmacotherapies for AUD, including naltrexone and disulfiram. The pharmaceutical market for alcohol dependence treatment is valued at approximately USD 1.2 billion, with Campral comprising an estimated 15-20% market share as of 2022 [1].

  • Geographic Penetration: North America dominates the market, accounting for over 70%, driven by high rates of alcohol misuse and well-established healthcare infrastructure. Europe holds approximately 15%, with emerging markets showing increasing adoption.

  • Prescriber Preferences: Clinicians often prefer naltrexone due to its dual efficacy in alcohol and opioid dependence, along with flexible dosing. However, Campral is favored in cases where naltrexone is contraindicated or poorly tolerated, especially in patients with liver disease, owing to its favorable hepatic safety profile.

Market Drivers and Barriers

Drivers:

  • Rising global prevalence of AUD and increased awareness.
  • Growing advocacy for medication-assisted treatment (MAT).
  • Favorable safety profile in patients with liver impairment.

Barriers:

  • Limited efficacy evidence compared to alternative therapies.
  • Lack of widespread clinician familiarity.
  • High treatment non-adherence rates typical of AUD management.

Emerging Trends

  • Digital Health Integration: Telemedicine platforms are increasingly facilitating access to Campral therapy, particularly amidst COVID-19’s impact on healthcare delivery.
  • Combination Therapy: Research suggests synergistic effects when Campral is combined with behavioral interventions, which could expand its clinical use.

Market Projection and Future Outlook

Short-Term (1-3 Years)

Market growth remains moderate, driven by incremental approvals for expanded clinical indications and increased clinician awareness. The anticipated CAGR (Compound Annual Growth Rate) for Campral is estimated at roughly 3-4%, conditioned by the global AUD treatment landscape.

Medium to Long-Term (4-10 Years)

  • Potential Expansion into Dual Diagnosis Therapy: Should ongoing trials demonstrate efficacy in treating co-occurring psychiatric conditions, Campral could diversify its indications.
  • Pharmacogenomics Personalized Medicine: Identification of genetic predictors for response may enable more targeted prescribing, potentially boosting adoption.
  • Growth in Emerging Markets: As healthcare infrastructure improves, markets in Asia-Pacific and Latin America are expected to contribute significantly to volume increases.

Competitive Positioning

Campral’s future will depend on its ability to differentiate through clinical efficacy, safety profile, and personalized medicine approaches. Adoption of digital health tools and integration into comprehensive treatment programs are also critical.

Key Takeaways

  • Robust Clinical Trials Support Long-Term Safety: Extended safety data reinforce Campral's role in maintenance therapy, especially in patients with hepatic impairment.
  • Market Shares are Stable but Competitive: While Campral retains a niche, competition from naltrexone and emerging therapies necessitates strategic positioning.
  • Opportunities Lie in Personalized and Combination Therapies: Pharmacogenomics and integrated treatment modalities could expand CAMAPRAL’s clinical use.
  • Emerging Markets Present Growth Potential: Increasing AUD prevalence in developing regions offers avenues for expansion.
  • Regulatory and Clinical Research Advances May Shape Future Indications: Ongoing trials exploring adjunctive and dual indications could redefine Campral's market scope.

Conclusion

Campral’s trajectory remains cautiously optimistic, bolstered by ongoing research into its broader applications and evolving treatment paradigms for AUD. Stakeholders should monitor emerging clinical evidence and technological integrations, leveraging these insights to optimize market positioning and clinical outcomes.


FAQs

Q1: What are the latest clinical trials involving Campral for AUD?
Recent studies focus on combination therapies, pharmacogenomics, and long-term safety, indicating ongoing efforts to optimize its use and explore broader applications.

Q2: How does Campral compare with other treatments for alcohol use disorder?
Campral offers a favorable safety profile, especially for patients with liver issues. However, naltrexone and disulfiram often lead in market share due to higher efficacy in some populations and broader clinician familiarity.

Q3: What are the main barriers to Campral's wider adoption?
Limited robust efficacy data compared to alternatives, clinician unfamiliarity, and high non-adherence rates hinder broader utilization.

Q4: Are there prospects for Campral to get new indications?
Ongoing clinical trials investigating comorbid conditions and personalized therapies suggest potential off-label expansions, contingent upon conclusive evidence.

Q5: What is the outlook for Campral in emerging markets?
Growing AUD prevalence and healthcare infrastructure development position emerging markets as promising growth areas, especially if regulatory pathways are navigated effectively.


References

[1] Market research data and industry reports, 2022.

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