Zinc for Infection Prevention in Sickle Cell Anemia (ZIPS) (ZIPS)
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT03528434 |
Recruitment Status :
Completed
First Posted : May 17, 2018
Last Update Posted : February 9, 2021
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Sickle Cell Disease | Dietary Supplement: Zinc Other: Placebo | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 250 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Intervention Model Description: | A randomized, placebo-controlled, double blind clinical trial |
Masking: | Triple (Participant, Care Provider, Investigator) |
Primary Purpose: | Prevention |
Official Title: | for Infection Prevention in Sickle Cell Anemia (ZIPS) |
Actual Study Start Date : | March 14, 2019 |
Actual Primary Completion Date : | November 23, 2020 |
Actual Study Completion Date : | November 23, 2020 |

Arm | Intervention/treatment |
---|---|
Experimental: Zinc
Dietary Supplement: Zinc 10mg dispersible zinc sulfate tablet
|
Dietary Supplement: Zinc
10mg dispersible zinc sulfate tablet |
Placebo Comparator: Placebo
Dispersible tablet with inert ingredients, identical to zinc in appearance
|
Other: Placebo
Dispersible tablet with inert ingredients, identical to zinc in appearance |
- Incidence of infection [ Time Frame: 12 months ]The investigators will assess reduction in incidence of severe or invasive infections, with or without culture or PCR confirmation.
- Incidence of all clinical infections [ Time Frame: 12 months ]Incidence of all clinical infections
- Incidence of confirmed bacterial infections (by culture or PCR) [ Time Frame: 12 months ]Incidence of confirmed bacterial infections (by culture or PCR)
- Incidence of vaso-occlusive crisis (VOC) [ Time Frame: 12 months ]Incidence of vaso-occlusive crisis (VOC)
- Change in height-for-age z-score [ Time Frame: Enrollment to 12 months ]Change in height-for-age z-score
- Incidence of zinc-related adverse events [ Time Frame: 12 months ]Incidence of zinc-related adverse events

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 1 Year to 5 Years (Child) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Documented sickle cell anemia (HbSS supported by hemoglobin electrophoresis)
- Age range of 1.00-4.99 years, inclusive, at the time of enrollment
- Weight at least 5.0 kg at the time of enrollment
- Willingness to comply with all study-related treatments, evaluations, and follow-up
Exclusion Criteria:
- Known other chronic medical condition (e.g., HIV, malignancy, active clinical tuberculosis)
- Severe malnutrition determined by impaired growth parameters as defined by the World Health Organization (WHO) (weight for length/height or height for age z-score <-3, using WHO growth standards)

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): NCT03528434
Uganda | |
Jinja Reginal Referral Hospital | |
Jinja, Uganda |
Principal Investigator: | Chandy C. John, MD | Indiana University |
Documents provided by Chandy John, Indiana University:
Responsible Party: | Chandy John, Professor of Pediatrics, Indiana University |
ClinicalTrials.gov Identifier: | NCT03528434 |
Other Study ID Numbers: |
1712339562 |
First Posted: | May 17, 2018 Key Record Dates |
Last Update Posted: | February 9, 2021 |
Last Verified: | February 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Zinc |
Anemia, Sickle Cell Anemia Hematologic Diseases Anemia, Hemolytic, Congenital |
Anemia, Hemolytic Hemoglobinopathies Genetic Diseases, Inborn |