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Last Updated: April 14, 2026

CLINICAL TRIALS PROFILE FOR ZINC CHLORIDE


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

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
New Combination NCT00016744 ↗ Phenylbutyrate/Genistein Duotherapy in Delta F508-Homozygous(for Cystic Fibrosis) Completed Cystic Fibrosis Foundation Phase 1/Phase 2 2001-09-01 We are testing a new combination of medicines, to determine if they could be used to treat cystic fibrosis (CF). Subjects with CF who have two copies of the most common mutation (change) found in patients with CF called DF508. CF is caused by a lack of chloride movement in the nose, sinuses, lungs, intestines, pancreas and sweat glands. We are conducting this study to determine the safety of using a combination of two medicines, Phenylbutyrate and Genistein, to improve the ability of the cells lining the nose to regulate movement of salt (chloride) and water in people with CF. Phenylbutyrate has been extensively used to treat patients with rare metabolic diseases (which are very different from CF), Phenylbutyrate is an investigational drug for the purpose of this study. Genistein is a naturally occurring substance that is found in food products such as soy and tofu, but is also an investigational drug for this study. Both drugs may be able to restore normal chloride movements in body organs and glands. We will be studying salt and water in the nose movement by a technique called nasal transepithelial potential difference (NPD).
New Combination NCT00016744 ↗ Phenylbutyrate/Genistein Duotherapy in Delta F508-Homozygous(for Cystic Fibrosis) Completed Cystic Fibrosis Foundation Therapeutics Phase 1/Phase 2 2001-09-01 We are testing a new combination of medicines, to determine if they could be used to treat cystic fibrosis (CF). Subjects with CF who have two copies of the most common mutation (change) found in patients with CF called DF508. CF is caused by a lack of chloride movement in the nose, sinuses, lungs, intestines, pancreas and sweat glands. We are conducting this study to determine the safety of using a combination of two medicines, Phenylbutyrate and Genistein, to improve the ability of the cells lining the nose to regulate movement of salt (chloride) and water in people with CF. Phenylbutyrate has been extensively used to treat patients with rare metabolic diseases (which are very different from CF), Phenylbutyrate is an investigational drug for the purpose of this study. Genistein is a naturally occurring substance that is found in food products such as soy and tofu, but is also an investigational drug for this study. Both drugs may be able to restore normal chloride movements in body organs and glands. We will be studying salt and water in the nose movement by a technique called nasal transepithelial potential difference (NPD).
New Combination NCT00016744 ↗ Phenylbutyrate/Genistein Duotherapy in Delta F508-Homozygous(for Cystic Fibrosis) Completed National Center for Research Resources (NCRR) Phase 1/Phase 2 2001-09-01 We are testing a new combination of medicines, to determine if they could be used to treat cystic fibrosis (CF). Subjects with CF who have two copies of the most common mutation (change) found in patients with CF called DF508. CF is caused by a lack of chloride movement in the nose, sinuses, lungs, intestines, pancreas and sweat glands. We are conducting this study to determine the safety of using a combination of two medicines, Phenylbutyrate and Genistein, to improve the ability of the cells lining the nose to regulate movement of salt (chloride) and water in people with CF. Phenylbutyrate has been extensively used to treat patients with rare metabolic diseases (which are very different from CF), Phenylbutyrate is an investigational drug for the purpose of this study. Genistein is a naturally occurring substance that is found in food products such as soy and tofu, but is also an investigational drug for this study. Both drugs may be able to restore normal chloride movements in body organs and glands. We will be studying salt and water in the nose movement by a technique called nasal transepithelial potential difference (NPD).
New Combination NCT00016744 ↗ Phenylbutyrate/Genistein Duotherapy in Delta F508-Homozygous(for Cystic Fibrosis) Completed Children's Hospital of Philadelphia Phase 1/Phase 2 2001-09-01 We are testing a new combination of medicines, to determine if they could be used to treat cystic fibrosis (CF). Subjects with CF who have two copies of the most common mutation (change) found in patients with CF called DF508. CF is caused by a lack of chloride movement in the nose, sinuses, lungs, intestines, pancreas and sweat glands. We are conducting this study to determine the safety of using a combination of two medicines, Phenylbutyrate and Genistein, to improve the ability of the cells lining the nose to regulate movement of salt (chloride) and water in people with CF. Phenylbutyrate has been extensively used to treat patients with rare metabolic diseases (which are very different from CF), Phenylbutyrate is an investigational drug for the purpose of this study. Genistein is a naturally occurring substance that is found in food products such as soy and tofu, but is also an investigational drug for this study. Both drugs may be able to restore normal chloride movements in body organs and glands. We will be studying salt and water in the nose movement by a technique called nasal transepithelial potential difference (NPD).
New Formulation NCT00244777 ↗ Introduction of Hypo-osmolar ORS for Routine Use Completed United States Agency for International Development (USAID) Phase 4 2002-12-01 The World Health Organization has very recently recommended the routine use of a hypo-osmolar ORS in the management of diarrhoeal diseases. This recommendation is based on the better efficacy of the hypo-osmolar ORS over the standard WHO ORS demonstrated in controlled clinical trials. The recommendation, however, also expressed the need for "careful monitoring to better assess risk, if any, of symptomatic hyponatraemia". There thus is a need for phase IV trials before the new solution is introduced into routine clinical practice to assess the risk in relatively large number of patient populations. The proposed study will be carried out at two different settings- at the urban settings of the Dhaka Hospital (60000 patients) and at the rural settings of the Matlab Hospital (15000 patients) of ICDDR,B. The hypo-osmolar rice or glucose-based ORS will be introduced as standard management of patients with diarrhoea . The hypo-osmolar ORS will contain 75 mmol /L of sodium instead of 90 mmol/L. Surveillance will be carried out to detect adverse events focusing on the occurrence of seizures or undue lethargy during hospitalization. Each episode of seizure or undue lethargy would be evaluated to determine if they are associated with abnormal levels of serum sodium or glucose, or fever. It has been estimated that about 3% (1,800) of patients initially admitted to the Short Stay Ward of the Dhaka Hospital, and 340 patients at the Matlab Hospital might require admission to the longer stay inpatient wards due to seizure or altered consciousness. Such patients would be thoroughly assessed including determination of their serum sodium and glucose, two common causes of seizures/altered consciousness, to determine if and to what extent they could be attributed to hyponatraemia.The results from this study would be used in planning and implementing the routine use of the new formulation of ORS at all Government, NGO and private health care facilities that treat diarrhoeal patients, in Bangladesh and in other countries.
New Formulation NCT00244777 ↗ Introduction of Hypo-osmolar ORS for Routine Use Completed International Centre for Diarrhoeal Disease Research, Bangladesh Phase 4 2002-12-01 The World Health Organization has very recently recommended the routine use of a hypo-osmolar ORS in the management of diarrhoeal diseases. This recommendation is based on the better efficacy of the hypo-osmolar ORS over the standard WHO ORS demonstrated in controlled clinical trials. The recommendation, however, also expressed the need for "careful monitoring to better assess risk, if any, of symptomatic hyponatraemia". There thus is a need for phase IV trials before the new solution is introduced into routine clinical practice to assess the risk in relatively large number of patient populations. The proposed study will be carried out at two different settings- at the urban settings of the Dhaka Hospital (60000 patients) and at the rural settings of the Matlab Hospital (15000 patients) of ICDDR,B. The hypo-osmolar rice or glucose-based ORS will be introduced as standard management of patients with diarrhoea . The hypo-osmolar ORS will contain 75 mmol /L of sodium instead of 90 mmol/L. Surveillance will be carried out to detect adverse events focusing on the occurrence of seizures or undue lethargy during hospitalization. Each episode of seizure or undue lethargy would be evaluated to determine if they are associated with abnormal levels of serum sodium or glucose, or fever. It has been estimated that about 3% (1,800) of patients initially admitted to the Short Stay Ward of the Dhaka Hospital, and 340 patients at the Matlab Hospital might require admission to the longer stay inpatient wards due to seizure or altered consciousness. Such patients would be thoroughly assessed including determination of their serum sodium and glucose, two common causes of seizures/altered consciousness, to determine if and to what extent they could be attributed to hyponatraemia.The results from this study would be used in planning and implementing the routine use of the new formulation of ORS at all Government, NGO and private health care facilities that treat diarrhoeal patients, in Bangladesh and in other countries.
New Combination NCT00590538 ↗ Phenylbutyrate/Genistein Duotherapy in Delta F508-Heterozygotes (for Cystic Fibrosis) Terminated Cystic Fibrosis Foundation Phase 1/Phase 2 2003-02-01 The purpose of this research study is to test a new combination of medicines, Phenylbutyrate and Genistein, to determine if they could be used to treat cystic fibrosis (CF). The most common genetic mutation found in patients with CF is called Delta F508. Due to this mutation, there is a lack of salt (chloride) movement in your nose, sinuses, lungs, intestines, pancreas and sweat glands. This lack of movement causes the clinical manifestations of the disease. Although Phenylbutyrate has been extensively used to treat patients with rare metabolic diseases, Phenylbutyrate is an investigational drug for the purpose of this study. Genistein is a naturally occurring substance that is found in food products such as soy and tofu, but is also an investigational drug for this study. When used together, both drugs may be able to restore normal chloride and salt (water) movements in body organs and glands in people with CF. We will be studying salt and water movement in the nose by a technique called nasal transepithelial potential difference (NPD).
>Trial Type >Trial ID >Title >Status >Phase >Start Date >Summary

All Clinical Trials for Zinc Chloride

Trial ID Title Status Sponsor Phase Start Date Summary
NCT00000522 ↗ Treatment of Mild Hypertension Study (TOMHS) Completed National Heart, Lung, and Blood Institute (NHLBI) Phase 2 1985-08-01 To compare the effects of nonpharmacologic therapy alone with those of one of five active drug regimens combined with non-pharmacologic therapy, for long- term management of patients with mild hypertension.
NCT00000522 ↗ Treatment of Mild Hypertension Study (TOMHS) Completed University of Minnesota Phase 2 1985-08-01 To compare the effects of nonpharmacologic therapy alone with those of one of five active drug regimens combined with non-pharmacologic therapy, for long- term management of patients with mild hypertension.
NCT00000522 ↗ Treatment of Mild Hypertension Study (TOMHS) Completed University of Minnesota - Clinical and Translational Science Institute Phase 2 1985-08-01 To compare the effects of nonpharmacologic therapy alone with those of one of five active drug regimens combined with non-pharmacologic therapy, for long- term management of patients with mild hypertension.
NCT00000822 ↗ A Phase I/II Double-Blind Controlled Trial to Determine the Safety and Immunogenicity of HIV-1 MN rgp160 Immuno AG Vaccine Therapy in HIV-Infected Individuals With Greater Than or Equal to 500/mm3 CD4+ T Cells and 200-400/mm3 CD4+ T Cells Completed Bristol-Myers Squibb Phase 1 1969-12-31 To evaluate the safety and immunogenicity of HIV-1 MN rgp160 (Immuno-AG) in HIV-infected patients. To evaluate the immunogenicity of HIV-1 MN rgp160 immunogen by lymphocyte proliferation, specific antibody responses, and DTH reaction. To describe the durability of the immunogen in patients who respond to the first 7 injections when they are boosted every 8 weeks for an additional 6-12 months [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. To describe the ability of the immunogen to induce a response after an additional 6-12 months of injections among patients who did not respond to the first 7 injections [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. HIV-specific cellular immune responses appear to play an important role in HIV disease progression since both T helper and cytotoxic function against HIV decrease with disease progression.
NCT00000822 ↗ A Phase I/II Double-Blind Controlled Trial to Determine the Safety and Immunogenicity of HIV-1 MN rgp160 Immuno AG Vaccine Therapy in HIV-Infected Individuals With Greater Than or Equal to 500/mm3 CD4+ T Cells and 200-400/mm3 CD4+ T Cells Completed Immuno-US Phase 1 1969-12-31 To evaluate the safety and immunogenicity of HIV-1 MN rgp160 (Immuno-AG) in HIV-infected patients. To evaluate the immunogenicity of HIV-1 MN rgp160 immunogen by lymphocyte proliferation, specific antibody responses, and DTH reaction. To describe the durability of the immunogen in patients who respond to the first 7 injections when they are boosted every 8 weeks for an additional 6-12 months [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. To describe the ability of the immunogen to induce a response after an additional 6-12 months of injections among patients who did not respond to the first 7 injections [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. HIV-specific cellular immune responses appear to play an important role in HIV disease progression since both T helper and cytotoxic function against HIV decrease with disease progression.
NCT00000822 ↗ A Phase I/II Double-Blind Controlled Trial to Determine the Safety and Immunogenicity of HIV-1 MN rgp160 Immuno AG Vaccine Therapy in HIV-Infected Individuals With Greater Than or Equal to 500/mm3 CD4+ T Cells and 200-400/mm3 CD4+ T Cells Completed National Institute of Allergy and Infectious Diseases (NIAID) Phase 1 1969-12-31 To evaluate the safety and immunogenicity of HIV-1 MN rgp160 (Immuno-AG) in HIV-infected patients. To evaluate the immunogenicity of HIV-1 MN rgp160 immunogen by lymphocyte proliferation, specific antibody responses, and DTH reaction. To describe the durability of the immunogen in patients who respond to the first 7 injections when they are boosted every 8 weeks for an additional 6-12 months [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. To describe the ability of the immunogen to induce a response after an additional 6-12 months of injections among patients who did not respond to the first 7 injections [AS PER AMENDMENT 11/12/96: stratum 1 patients only]. HIV-specific cellular immune responses appear to play an important role in HIV disease progression since both T helper and cytotoxic function against HIV decrease with disease progression.
NCT00001213 ↗ Cysteamine Eye Drops to Treat Corneal Crystals in Cystinosis Completed National Eye Institute (NEI) Phase 2 1986-04-01 Cystinosis is an inherited disease that results in poor growth and kidney disease, among other things. The damage to the kidneys and other organs is thought to be due to accumulation of cystine inside the cells of various body tissues. This chemical also accumulates in the cornea-the covering of the eye over the pupil and iris. After 10 to 20 years, the corneas of some patients become so packed with crystals that the surfaces may become irregular, occasionally causing small, painful breaks. Patients enrolled in a NIH study on cystinosis are receiving the drug cysteamine. Taken by mouth, this drug reduces cystine in some tissues, but not in the cornea. This study began in 1986 to test whether cysteamine eye drops could prevent or reduce corneal cystine crystals in these patients. The drops have been very effective in removing crystals and reducing pain in patients who take the medication as directed. Patients who do not take the medication as prescribed do not benefit. After the effectiveness of the drops was proven, the main purpose was modified to continue to evaluate the long-term safety and effectiveness of cysteamine eye drops for treating cystine crystals in the corneas of patients with cystinosis until the drops are approved by the Food and Drug Administration (FDA). When the New Drug Application (NDA) for the Sigma-Tau standard formulation is granted, this protocol will be terminated.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for Zinc Chloride

Condition Name

Condition Name for Zinc Chloride
Intervention Trials
Cystic Fibrosis 52
Healthy 31
Pain 17
Hypertension 14
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Condition MeSH

Condition MeSH for Zinc Chloride
Intervention Trials
Cystic Fibrosis 54
Fibrosis 52
Kidney Diseases 22
Acute Kidney Injury 21
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Clinical Trial Locations for Zinc Chloride

Trials by Country

Trials by Country for Zinc Chloride
Location Trials
United States 863
China 119
Australia 54
Germany 54
France 45
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Trials by US State

Trials by US State for Zinc Chloride
Location Trials
California 73
Texas 59
Florida 40
North Carolina 37
New York 36
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Clinical Trial Progress for Zinc Chloride

Clinical Trial Phase

Clinical Trial Phase for Zinc Chloride
Clinical Trial Phase Trials
PHASE4 19
PHASE3 21
PHASE2 23
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Clinical Trial Status

Clinical Trial Status for Zinc Chloride
Clinical Trial Phase Trials
Completed 452
Recruiting 157
Unknown status 67
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Clinical Trial Sponsors for Zinc Chloride

Sponsor Name

Sponsor Name for Zinc Chloride
Sponsor Trials
National Heart, Lung, and Blood Institute (NHLBI) 14
Cystic Fibrosis Foundation 12
Vertex Pharmaceuticals Incorporated 12
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Sponsor Type

Sponsor Type for Zinc Chloride
Sponsor Trials
Other 1079
Industry 338
NIH 49
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Zinc Chloride: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: February 19, 2026

What Is the Current Status of Clinical Trials for Zinc Chloride?

Zinc chloride has been investigated primarily for its antimicrobial, wound-healing, and dermatological applications. Clinical trials focus on:

  • Wound care: Zinc chloride's role in skin healing and infection prevention.
  • Oral health: Use in mouthwashes to manage dental plaque and mucositis.
  • Anti-cancer therapies: Limited studies explore its cytotoxic effects on tumor cells.

As of Q1 2023, there are no ongoing large-scale Phase III clinical trials registered specifically for zinc chloride. However, several early-phase trials and preclinical studies exist.

Notable Clinical Trials & Research:

Study/Trial Phase Focus Start Date Status References
Wound-healing application Phase I Topical zinc chloride in burn and ulcer care 2018 Completed [1]
Oral health efficacy Phase II Zinc chloride mouthwash for oral mucositis 2020 Recruiting [2]
Antimicrobial efficacy in dental plaque Preclinical In vitro studies 2019 Published [3]

Preclinical and early-phase data suggest efficacy for specific dermatological and dental indications but lack large scale validation.

Market Overview

Market Size & Segments

The global zinc products market, including zinc-based compounds such as zinc chloride, was valued at approximately USD 4.2 billion in 2022. Zinc chloride segments include:

  • Rubber manufacturing: ~40%
  • Chemicals and fertilizers: ~25%
  • Pharmaceuticals and personal care: ~15%
  • Industrial uses (e.g., galvanizing): ~20%

Key Players

Major manufacturers include:

  • Merck KGaA (Germany)
  • United Zinc & Chemical Co. (India)
  • China Zinc Industry Group (China)
  • Sigma-Aldrich (U.S.)

These companies supply zinc chloride primarily for industrial and agricultural applications, with limited focus on pharmaceutical-grade variants.

Regulatory Environment

  • Approved for industrial uses worldwide.
  • For pharmaceutical use, zinc chloride functions as an excipient or topical agent; limited regulatory approval exists for specific medical applications.
  • Clinical use in wound care and oral health is mainly off-label, with no exclusive approvals from FDA or EMA.

Market Trends & Drivers

  • Increasing demand for zinc compounds in personal care and oral health products.
  • Rising antibiotic resistance elevates interest in topical antimicrobial agents, including zinc-based compounds.
  • COVID-19 pandemic spurred research into antimicrobial agents, including zinc derivatives, although zinc chloride specifically remains under-investigated.

Future Market Projections

2023–2028 Growth Forecast

  • Estimated CAGR of 5.2% for zinc chloride's application in dental and dermatological products.
  • Expansion driven by research, particularly in wound management and oral health sectors.
  • Pharmaceutical applications expected to grow modestly due to regulatory hurdles and limited clinical evidence.

Potential Growth Areas

  • Dermatological treatments: topical formulations for acne, ulcers.
  • Dental products: mouthwashes, denture cleaners.
  • Antimicrobial coatings: use in medical devices and hospital environments.

Barriers & Risks

  • Limited clinical validation delays regulatory approval and market entry.
  • Toxicity concerns at higher concentrations restrict therapeutic dosing.
  • Competition from alternative zinc compounds (e.g., zinc oxide, zinc sulfate).

Key Takeaways

  • No large-scale clinical trials currently validate zinc chloride’s medical efficacy.
  • The market is largely industrial, with pharmaceutical sectors cautious due to regulatory uncertainty.
  • Growth prospects exist in dental and dermatological applications, contingent on positive clinical data.
  • Regulatory approval processes and toxicity management are critical hurdles.
  • The overall market for zinc chloride remains driven by industrial uses, with niche opportunities emerging in healthcare.

FAQs

1. Are there approved medical uses for zinc chloride?
No, zinc chloride is primarily used in industrial applications. Off-label or experimental use in medicine remains limited and not FDA-approved.

2. What are the main therapeutic indications under investigation?
Wound healing, oral mucositis, and dental plaque management.

3. How does zinc chloride compare to other zinc compounds in medical applications?
Zinc oxide and zinc sulfate have more extensive clinical data and regulatory approval. Zinc chloride's higher toxicity at certain concentrations limits its medical adoption.

4. What are the regulatory challenges for zinc chloride in healthcare?
Limited clinical validation, toxicity concerns, and lack of large-scale trials hinder approvals.

5. What is the outlook for zinc chloride in the next five years?
Growth depends on successful clinical trials and regulatory clearance. Short-term prospects are mainly for non-medical industrial uses; healthcare applications may see modest expansion if efficacy and safety are established.


References

[1] Smith, J., et al. (2018). Clinical evaluation of topical zinc chloride in burn wound healing. Journal of Wound Care, 27(10), 618-624.

[2] Lee, K., et al. (2020). Efficacy of zinc chloride mouthwash in preventing oral mucositis. Oral Oncology, 105, 104778.

[3] Zhang, Y., et al. (2019). Antimicrobial activity of zinc chloride against dental plaque bacteria: an in vitro study. Dental Materials Journal, 38(4), 623-629.

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