A Study of Quintuple Therapy to Treat COVID-19 Infection (HAZDpaC)
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ClinicalTrials.gov Identifier: NCT04334512 |
Recruitment Status :
Recruiting
First Posted : April 6, 2020
Last Update Posted : September 5, 2021
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Condition or disease | Intervention/treatment | Phase |
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COVID-19 Corona Virus Infection Coronavirus-19 Sars-CoV2 | Drug: Hydroxychloroquine Drug: Azithromycin Dietary Supplement: Vitamin C Dietary Supplement: Vitamin D Dietary Supplement: Zinc | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 600 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | This is a Randomized, Double-Blind, Placebo-Controlled Phase II interventional Study |
Masking: | Double (Participant, Investigator) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-Blind, Placebo-Controlled Phase IIa Study of Quintuple Therapy to Treat COVID-19 Infection |
Actual Study Start Date : | June 22, 2020 |
Estimated Primary Completion Date : | June 2023 |
Estimated Study Completion Date : | September 2024 |

Arm | Intervention/treatment |
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Experimental: Quintuple Therapy
Patients will be treated with quintuple therapy for 10 days.
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Drug: Hydroxychloroquine
Treatment with hydroxychloroquine
Other Name: Plaquenil Drug: Azithromycin Treatment with azithromycin
Other Name: Zithromax Dietary Supplement: Vitamin C Treatment with vitamin C Dietary Supplement: Vitamin D Treatment with vitamin D Dietary Supplement: Zinc Treatment with Zinc |
Placebo Comparator: Placebo
Patients will be treated with placebo.
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Dietary Supplement: Vitamin C
Treatment with vitamin C Dietary Supplement: Vitamin D Treatment with vitamin D Dietary Supplement: Zinc Treatment with Zinc |
- The rate of recovery of mild or moderate COVID-19 in patients using Quintuple Therapy [ Time Frame: 12 weeks ]Number of days from COVID-19 diagnosis to recovery via RT-PCR
- Reduction or Progression of Symptomatic Days [ Time Frame: 12 weeks ]Reduction and/or progression of symptomatic days, reduction of symptom severity
- Assess the safety of Quintuple Therapy [ Time Frame: 12 weeks ]Assess the symptom response to study therapy as measured by the survey in the EDC
- Assess the safety of Quintuple Therapy via pulse [ Time Frame: 12 weeks ]Pulse from baseline to 12 weeks
- Assess the safety of Quintuple Therapy via oxygen saturation [ Time Frame: 12 weeks ]Oxygen saturation from baseline to 12 weeks
- Assess the safety of Quintuple Therapy via EKG [ Time Frame: 12 weeks ]EKG response from baseline to 12 weeks
- Assess Tolerability of Quintuple Therapy [ Time Frame: 12 weeks ]Assess Adverse Events and Serious Adverse Events due to Quintuple Therapy

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
- Informed consent provided electronically via the EDC, demonstrating that the subject understands the procedures required for the study and the purpose of the study
- Male or female subjects 18 years of age and up
- Subjects must agree to practice at least two highly effective methods of birth control for the duration of the study. This includes condoms with spermicide, oral birth control pills, contraceptive implants, intra-uterine devices, or diaphragms. At least one of these must be a barrier method. Subjects not of reproductive potential will be exempt (e.g. post-menopausal, surgically sterilized)
- Diagnosis of COVID-19 by RT-PCR
Exclusion Criteria
- Refusal to provide informed consent
- Diarrhea prior to infection
- Any comorbidities which, in the opinion of the investigator, constitute health risk for the subject
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Any contraindications for treatment with hydroxychloroquine
- Hypoglycemia
- Known G6PD deficiency
- Porphyria
- Anemia
- Neutropenia
- Alcoholism
- Myasthenia gravis
- Skeletal muscle disorders
- Maculopathy
- Changes in visual field
- Liver disease
- Psoriasis
- Anemia from pyruvate kinase and G6PD deficiencies
- Abnormal EKG with QT prolongation acquired or from birth
- Allergies to 4-Aminoquinolines
- History of jaundice or high fevers prior to developing COVID-19
- Treatment with any of the medications listed in Appendix II
- Treatment with any other drug not listed that affects the QT interval
- Treatment with any anti-epileptic drug, whether prescribed for seizures or otherwise.
- Pregnant or breastfeeding women

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04334512
Contact: Sabine Hazan, MD | 805-339-0549 | drsabinehazan@progenabiome.com | |
Contact: Jordan Daniels, MS | 217-494-6692 | jordan@progenabiome.com |
United States, California | |
ProgenaBiome | Recruiting |
Ventura, California, United States, 93003 | |
Contact: Sabine Hazan, MD 805-339-0549 drsabinehazan@progenabiome.com | |
Contact: Jordan Daniels, MS 805-339-0549 jordan@progenabiome.com | |
Principal Investigator: Sabine Hazan, MD |
Principal Investigator: | Sabine Hazan, MD | ProgenaBiome |
Responsible Party: | ProgenaBiome |
ClinicalTrials.gov Identifier: | NCT04334512 |
Other Study ID Numbers: |
PRG-044 |
First Posted: | April 6, 2020 Key Record Dates |
Last Update Posted: | September 5, 2021 |
Last Verified: | September 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
Infections Communicable Diseases COVID-19 Coronavirus Infections Disease Attributes Pathologic Processes Pneumonia, Viral Pneumonia Respiratory Tract Infections Virus Diseases Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |
Vitamin D Vitamins Azithromycin Hydroxychloroquine Micronutrients Physiological Effects of Drugs Bone Density Conservation Agents Anti-Bacterial Agents Anti-Infective Agents Antimalarials Antiprotozoal Agents Antiparasitic Agents Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Antirheumatic Agents |