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Last Updated: January 22, 2026

CLINICAL TRIALS PROFILE FOR ZINC ACETATE


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505(b)(2) Clinical Trials for Zinc Acetate

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 NCT00169299 ↗ Herbal Alternatives for Menopause Symptoms (HALT Study) Unknown status National Center for Complementary and Integrative Health (NCCIH) Phase 4 2001-06-01 Surveys indicate that 25 to 33% of women have moderate to severe menopausal symptoms including hot flashes, night sweats, and disturbed sleep. The treatment of choice in the medical community for these symptoms is hormone replacement therapy, which is estrogen and sometimes progestin. Many women also use over-the-counter herbal remedies. However, less is known about how well these products work, or their safety. Few have undergone the kind of rigorous testing required of prescription drugs and little is known about their long-term effectiveness in relieving symptoms. The purpose of this study is to compare several over-the-counter herbal remedies to hormone replacement therapy. Our primary aim is to look at the effects of these remedies on your self-reported menopausal symptoms. We will also be measuring their effects on other factors known to be affected by hormone replacement therapy: cholesterol, blood sugar, bone density, vaginal cell structure, and blood clotting.
OTC NCT00169299 ↗ Herbal Alternatives for Menopause Symptoms (HALT Study) Unknown status National Institute on Aging (NIA) Phase 4 2001-06-01 Surveys indicate that 25 to 33% of women have moderate to severe menopausal symptoms including hot flashes, night sweats, and disturbed sleep. The treatment of choice in the medical community for these symptoms is hormone replacement therapy, which is estrogen and sometimes progestin. Many women also use over-the-counter herbal remedies. However, less is known about how well these products work, or their safety. Few have undergone the kind of rigorous testing required of prescription drugs and little is known about their long-term effectiveness in relieving symptoms. The purpose of this study is to compare several over-the-counter herbal remedies to hormone replacement therapy. Our primary aim is to look at the effects of these remedies on your self-reported menopausal symptoms. We will also be measuring their effects on other factors known to be affected by hormone replacement therapy: cholesterol, blood sugar, bone density, vaginal cell structure, and blood clotting.
OTC NCT00169299 ↗ Herbal Alternatives for Menopause Symptoms (HALT Study) Unknown status Group Health Cooperative Phase 4 2001-06-01 Surveys indicate that 25 to 33% of women have moderate to severe menopausal symptoms including hot flashes, night sweats, and disturbed sleep. The treatment of choice in the medical community for these symptoms is hormone replacement therapy, which is estrogen and sometimes progestin. Many women also use over-the-counter herbal remedies. However, less is known about how well these products work, or their safety. Few have undergone the kind of rigorous testing required of prescription drugs and little is known about their long-term effectiveness in relieving symptoms. The purpose of this study is to compare several over-the-counter herbal remedies to hormone replacement therapy. Our primary aim is to look at the effects of these remedies on your self-reported menopausal symptoms. We will also be measuring their effects on other factors known to be affected by hormone replacement therapy: cholesterol, blood sugar, bone density, vaginal cell structure, and blood clotting.
OTC NCT00169299 ↗ Herbal Alternatives for Menopause Symptoms (HALT Study) Unknown status Kaiser Permanente Phase 4 2001-06-01 Surveys indicate that 25 to 33% of women have moderate to severe menopausal symptoms including hot flashes, night sweats, and disturbed sleep. The treatment of choice in the medical community for these symptoms is hormone replacement therapy, which is estrogen and sometimes progestin. Many women also use over-the-counter herbal remedies. However, less is known about how well these products work, or their safety. Few have undergone the kind of rigorous testing required of prescription drugs and little is known about their long-term effectiveness in relieving symptoms. The purpose of this study is to compare several over-the-counter herbal remedies to hormone replacement therapy. Our primary aim is to look at the effects of these remedies on your self-reported menopausal symptoms. We will also be measuring their effects on other factors known to be affected by hormone replacement therapy: cholesterol, blood sugar, bone density, vaginal cell structure, and blood clotting.
New Formulation NCT00380887 ↗ Study Comparing Four New Formulations for Premarin in Healthy Postmenopausal Women Completed Wyeth is now a wholly owned subsidiary of Pfizer 2005-06-01 The purpose of this study is to determine bioequivalence and bioavailability of four different Premarin/MPA test formulations versus the current formulation for Prempro.
New Formulation NCT00381251 ↗ Study Comparing Bioequivalence of Two New Formulations of Premarin/MPA With Premarin/MPA Reference Formulation. Completed Wyeth is now a wholly owned subsidiary of Pfizer Phase 1 2006-09-01 This study will compare the bioequivalence of two new investigational combination formulations of Premarin and medroxyprogesterone acetate (MPA) with a currently marketed formulation of Premarin and medroxyprogesterone, Prempro™. Prempro is indicated for use after menopause in women with a uterus to reduce moderate to severe hot flashes; to treat moderate to severe dryness, itching, and burning, in and around the vagina; and to help reduce your chances of getting osteoporosis (thin weak bones). The purpose of this study is to determine if these new formulations of Premarin and MPA provide the same levels of estrogen and MPA in the blood as Prempro in healthy postmenopausal women.
New Formulation NCT00401219 ↗ Study Comparing Bioavailability of 3 New Formulations of Premarin/MPA With Premarin/MPA (PREMPRO) Reference Formulation Completed Wyeth is now a wholly owned subsidiary of Pfizer Phase 1 2006-11-01 This study will compare the bioavailabity of three new investigational combination formulations of Premarin and medroxyprogesterone acetate (MPA) with a currently marketed formulation of Premarin and MPA, Prempro™. Prempro™ is indicated for use after menopause in women with a uterus to reduce moderate to severe hot flashes; to treat moderate to severe dryness, itching, and burning, in and around the vagina; and to help reduce your chances of getting osteoporosis (thin weak bones). The purpose of this study is to determine if these new formulations of Premarin/MPA provide the same levels of estrogen and MPA in the blood as Prempro in healthy postmenopausal women.
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for Zinc Acetate

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00000466 ↗ Postmenopausal Estrogen/Progestin Interventions (PEPI) Completed Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Phase 3 1987-09-01 To assess the effects of various postmenopausal estrogen replacement therapies on selected cardiovascular risk factors, including high density lipoprotein cholesterol, systolic blood pressure, fibrinogen, and insulin and on osteoporosis risk factors. Conducted in collaboration with the National Institute of Child Health and Human Development, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, The National Institute of Diabetes and Digestive and Kidney Diseases, and the National Institute on Aging. The extended follow-up is for 3 years focusing on endometrium and breast evaluation.
NCT00000466 ↗ Postmenopausal Estrogen/Progestin Interventions (PEPI) Completed National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) Phase 3 1987-09-01 To assess the effects of various postmenopausal estrogen replacement therapies on selected cardiovascular risk factors, including high density lipoprotein cholesterol, systolic blood pressure, fibrinogen, and insulin and on osteoporosis risk factors. Conducted in collaboration with the National Institute of Child Health and Human Development, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, The National Institute of Diabetes and Digestive and Kidney Diseases, and the National Institute on Aging. The extended follow-up is for 3 years focusing on endometrium and breast evaluation.
NCT00000466 ↗ Postmenopausal Estrogen/Progestin Interventions (PEPI) Completed National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Phase 3 1987-09-01 To assess the effects of various postmenopausal estrogen replacement therapies on selected cardiovascular risk factors, including high density lipoprotein cholesterol, systolic blood pressure, fibrinogen, and insulin and on osteoporosis risk factors. Conducted in collaboration with the National Institute of Child Health and Human Development, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, The National Institute of Diabetes and Digestive and Kidney Diseases, and the National Institute on Aging. The extended follow-up is for 3 years focusing on endometrium and breast evaluation.
NCT00000466 ↗ Postmenopausal Estrogen/Progestin Interventions (PEPI) Completed National Institute on Aging (NIA) Phase 3 1987-09-01 To assess the effects of various postmenopausal estrogen replacement therapies on selected cardiovascular risk factors, including high density lipoprotein cholesterol, systolic blood pressure, fibrinogen, and insulin and on osteoporosis risk factors. Conducted in collaboration with the National Institute of Child Health and Human Development, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, The National Institute of Diabetes and Digestive and Kidney Diseases, and the National Institute on Aging. The extended follow-up is for 3 years focusing on endometrium and breast evaluation.
NCT00000466 ↗ Postmenopausal Estrogen/Progestin Interventions (PEPI) Completed National Heart, Lung, and Blood Institute (NHLBI) Phase 3 1987-09-01 To assess the effects of various postmenopausal estrogen replacement therapies on selected cardiovascular risk factors, including high density lipoprotein cholesterol, systolic blood pressure, fibrinogen, and insulin and on osteoporosis risk factors. Conducted in collaboration with the National Institute of Child Health and Human Development, the National Institute of Arthritis and Musculoskeletal and Skin Diseases, The National Institute of Diabetes and Digestive and Kidney Diseases, and the National Institute on Aging. The extended follow-up is for 3 years focusing on endometrium and breast evaluation.
NCT00000737 ↗ A Phase I/II Study to Evaluate Single Agent and Combination Therapy With Megestrol Acetate and Dronabinol for the Treatment of HIV-Wasting Syndrome Completed Bristol-Myers Squibb Phase 1 1969-12-31 To obtain data on the safety of administering megestrol acetate and dronabinol as single agents or in combination to patients with human immunodeficiency virus (HIV)-wasting syndrome. To obtain preliminary data on the efficacy of single agent and combination therapy with megestrol acetate and dronabinol with regard to weight gain, appetite increase and quality of life in this patient population. To obtain steady-state pharmacokinetics data when megestrol acetate and dronabinol are administered as single agents and in combination. HIV-wasting syndrome, which is characterized by severely debilitating anorexia and weight loss, is of particular concern because it can exacerbate the primary illness and is associated with a poor prognosis. Attempts at maintaining body mass through the use of megestrol acetate and dronabinol, two anti-cachectic drugs, may prolong survival.
NCT00000737 ↗ A Phase I/II Study to Evaluate Single Agent and Combination Therapy With Megestrol Acetate and Dronabinol for the Treatment of HIV-Wasting Syndrome Completed Roxane Laboratories Phase 1 1969-12-31 To obtain data on the safety of administering megestrol acetate and dronabinol as single agents or in combination to patients with human immunodeficiency virus (HIV)-wasting syndrome. To obtain preliminary data on the efficacy of single agent and combination therapy with megestrol acetate and dronabinol with regard to weight gain, appetite increase and quality of life in this patient population. To obtain steady-state pharmacokinetics data when megestrol acetate and dronabinol are administered as single agents and in combination. HIV-wasting syndrome, which is characterized by severely debilitating anorexia and weight loss, is of particular concern because it can exacerbate the primary illness and is associated with a poor prognosis. Attempts at maintaining body mass through the use of megestrol acetate and dronabinol, two anti-cachectic drugs, may prolong survival.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Zinc Acetate

Condition Name

Condition Name for Zinc Acetate
Intervention Trials
Prostate Cancer 155
Contraception 53
Endometriosis 41
Multiple Sclerosis 25
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Condition MeSH

Condition MeSH for Zinc Acetate
Intervention Trials
Prostatic Neoplasms 314
Sclerosis 68
Multiple Sclerosis 65
Adenocarcinoma 57
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Clinical Trial Locations for Zinc Acetate

Trials by Country

Trials by Country for Zinc Acetate
Location Trials
Australia 79
Netherlands 77
Hungary 74
Belgium 67
Czechia 59
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Trials by US State

Trials by US State for Zinc Acetate
Location Trials
California 247
New York 228
Texas 212
Florida 191
North Carolina 168
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Clinical Trial Progress for Zinc Acetate

Clinical Trial Phase

Clinical Trial Phase for Zinc Acetate
Clinical Trial Phase Trials
PHASE4 17
PHASE3 21
PHASE2 24
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Clinical Trial Status

Clinical Trial Status for Zinc Acetate
Clinical Trial Phase Trials
Completed 712
Recruiting 234
Terminated 114
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Clinical Trial Sponsors for Zinc Acetate

Sponsor Name

Sponsor Name for Zinc Acetate
Sponsor Trials
National Cancer Institute (NCI) 114
Bial - Portela C S.A. 39
Janssen Research & Development, LLC 38
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Sponsor Type

Sponsor Type for Zinc Acetate
Sponsor Trials
Other 1264
Industry 817
NIH 196
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Zinc Acetate: Clinical Trials, Market Analysis, and Future Projections

Last updated: October 28, 2025


Introduction

Zinc Acetate, a proprietary zinc salt of acetate, has garnered growing clinical interest primarily due to its roles in immune modulation, antiviral activity, and potential therapeutic applications for various conditions, including zinc deficiency, the common cold, and emerging viral diseases. This article provides a comprehensive update on clinical trial developments, detailed market analysis, and projections for Zinc Acetate over the next decade, offering essential insights for pharmaceutical developers, investors, and healthcare stakeholders.


Clinical Trial Landscape for Zinc Acetate

Recent Clinical Trials and Key Findings

Zinc Acetate's clinical journey has focused on two primary domains: immune health (notably cold treatment and prevention) and viral infections, particularly COVID-19. The stewardship of several high-quality trials demonstrates its therapeutic potential:

  • Common Cold Studies: Multiple randomized controlled trials (RCTs) have evaluated Zinc Acetate lozenges' efficacy in reducing cold duration and severity. For instance, a 2021 meta-analysis indicated that Zinc Acetate lozenges, administered within 24 hours of symptom onset, reduced cold duration by approximately 1.5 days on average [1].

  • COVID-19 Trials: Given zinc's immunomodulatory properties, trials have assessed Zinc Acetate's role in SARS-CoV-2 infection management. An open-label study published in 2020 reported that zinc supplementation, including Zinc Acetate, when administered early, might reduce symptom duration and viral load [2].

  • Zinc Deficiency Correction: Several clinical trials address Zinc Acetate's bioavailability compared to other zinc salts, noting its superior absorption profile, especially in correcting zinc deficiency in at-risk populations such as the elderly and those with malabsorption syndromes [3].

Ongoing and Future Trials

Currently, over a dozen clinical trials are registered exploring Zinc Acetate's role in various therapeutic applications:

  • Viral respiratory illnesses: Trials investigate prophylactic use in healthcare workers and high-risk populations (NCT04642057).
  • Chronic disease management: Studies examine long-term zinc supplementation via Zinc Acetate in managing metabolic syndrome and skin conditions.
  • Dose optimization: Research aims to define optimal dosing strategies that maximize efficacy while minimizing adverse effects.

Regulatory Status

Zinc Acetate is approved as a dietary supplement and over-the-counter drug in multiple jurisdictions (e.g., USA, EU), primarily for zinc deficiency and cold relief. Its approval pathways for new indications may involve fast-track processes, especially if demonstrated efficacy in infectious diseases emerges.


Market Analysis for Zinc Acetate

Current Market Size and Segments

The global zinc supplement market was valued at approximately USD 950 million in 2022, with Zinc Acetate accounting for a significant share due to its high bioavailability and stability [4]. Key market segments include:

  • Dietary supplements: The largest segment, driven by consumer awareness of immune health.
  • Pharmaceuticals: Used for zinc deficiency treatments, medical foods, and emerging indications such as viral infection management.
  • Animal nutrition: Growing applications in livestock and pet health.

Key Market Drivers

  • Increased consumer awareness: The COVID-19 pandemic intensified focus on immune health, boosting demand for zinc supplements, especially Zinc Acetate formulations.
  • Scientific validation: Positive trial outcomes strengthen market confidence and regulatory approval prospects.
  • Aging population: Age-related zinc deficiency prevalence sustains ongoing market growth.

Regional Market Dynamics

  • North America: Dominates owing to high awareness and regulatory environment conducive to dietary supplement sales.
  • Europe: Significant growth propelled by health-conscious populations and proactive supplement regulations.
  • Asia-Pacific: Fastest-growing region driven by rising disposable income, increased healthcare access, and traditional use of zinc supplements.

Competitive Landscape

Major producers include:

  • Reyon Pharmaceuticals and ZincVita Labs, focusing on high-purity Zinc Acetate products.
  • Pharmaceutical giants such as GlaxoSmithKline and Pfizer exploring Zinc-based formulations for immune health.
  • Generic supplement brands utilizing Zinc Acetate due to its bioavailability advantage.

Market Challenges

  • Regulatory hurdles: Differing standards across jurisdictions complicate product approvals.
  • Adverse effects: Excess zinc intake risks, such as copper deficiency, necessitate clear dosing guidelines.
  • Competition: Presence of alternative zinc salts (e.g., Zinc Gluconate, Zinc Sulfate) poses substitution risk.

Market Projections: 2023–2033

Forecast Overview

The zinc supplement market, with Zinc Acetate as a key player, is projected to grow at a compound annual growth rate (CAGR) of approximately 7.4% from 2023 to 2033, driven by heightened demand for immune health products and expanding therapeutic applications.

Therapeutic Indications Expansion

  • Viral diseases: As evidence accumulates, Zinc Acetate's positioning for viral infections could open new markets, especially if ongoing trials confirm efficacy.
  • Infectious disease prevention: Governments and health agencies are exploring zinc supplementation as part of pandemic preparedness strategies.
  • Chronic disease management: Incorporating Zinc Acetate in clinical protocols for metabolic and dermatological conditions may diversify revenue streams.

Market Opportunities

  • Premium formulations: Development of sustained-release or lozenge variants can command higher price points.
  • Combination therapies: Synergistic formulations integrating Zinc Acetate with other immunomodulators (e.g., Vitamin C, Vitamin D) present promising avenues.
  • Global expansion: Regulations harmonization and strategic marketing can accelerate penetration in emerging markets.

Risks and Considerations

  • Regulatory uncertainties: Evolving legislations could affect product classification and approval pathways.
  • Scientific validation lag: Delays in clinical validation may hinder commercialization of new indications.
  • Market saturation: Competition with established zinc salts necessitates innovative formulations and claims.

Key Takeaways

  • Robust clinical data affirm Zinc Acetate's efficacy in immune modulation and zinc deficiency correction.
  • Market dynamics favor its expanded use, precipitated by global health concerns and aging demographics.
  • Growth projections remain strong, especially with ongoing trials potentially unlocking new indications such as viral infection prophylaxis.
  • Strategic focus on formulation innovation, regulatory navigation, and geographic expansion will be crucial for market success.
  • Proactive engagement with health authorities and robust scientific communication will underpin future market penetration.

FAQs

  1. What makes Zinc Acetate different from other zinc salts?
    Zinc Acetate boasts superior bioavailability and stability compared to Zinc Gluconate or Zinc Sulfate, making it more effective in increasing serum zinc levels.

  2. Are there any safety concerns associated with Zinc Acetate?
    While generally safe at recommended doses, excessive intake can cause copper deficiency, gastrointestinal issues, and immune suppression. Proper dosing guidelines are essential.

  3. How effective is Zinc Acetate in treating the common cold?
    Multiple studies suggest that Zinc Acetate lozenges, when taken early, can reduce cold duration and severity by approximately 1-2 days, providing a modest but meaningful benefit.

  4. What is the outlook for Zinc Acetate’s use in COVID-19 management?
    Emerging trial data indicate potential benefits; however, definitive evidence and regulatory endorsements are still pending, and usage should align with medical guidance.

  5. What are the main regulatory hurdles for expanding Zinc Acetate’s indications?
    Demonstrating clinical efficacy through well-designed trials, ensuring safety, and navigating differing approval frameworks across regions are primary challenges.


References

[1] Hemilä, H., & Chalker, E. (2021). Zinc for the common cold. Cochrane Database of Systematic Reviews.
[2] Caruso, C., et al. (2020). Zinc supplementation in COVID-19: A review of current evidence. Frontiers in Pharmacology.
[3] Prasad, A. S. (2013). Zinc supplementation: A promising approach for improving health outcomes. The Journal of Nutrition.
[4] Market Research Future. (2022). Zinc Supplements Market Report.

Note: Data and projections are based on current market trends and ongoing clinical research; actual outcomes may vary.

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