Anemia, Sickle CellPhase 3NCT00000585
Penicillin Prophylaxis in Sickle Cell Disease (PROPS)
A Phase 3 study testing penicillin in people with Anemia, Sickle Cell and Hematologic Diseases, run by National Heart, Lung, and Blood Institute (NHLBI).
Trial summary
To determine whether the regular daily administration of oral penicillin would reduce the incidence of documented infection due to Streptococcus pneumoniae in children with sickle cell anemia. Read more about this study
- Who is it for?
- Ages Up to 5 years
- Conditions the study is for
- Anemia, Sickle Cell, Hematologic Diseases, Hemoglobinopathies
- What is being tested?
- penicillin
- How many people
- Not given
- Where
- No sites listed yet
- Study dates
- Aug 1983to Oct 1994
- Phase
- Phase 3
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 5 years
- All sexes
- No healthy volunteers
- Child
In the Phase I trial, Black children with sickle cell anemia aged 3 months to 3 years. In the Phase II trial, children with sickle cell anemia aged five years 3 months of age and younger who had received prophylactic penicillin for at least two yea
About this study
To determine whether the regular daily administration of oral penicillin would reduce the incidence of documented infection due to Streptococcus pneumoniae in children with sickle cell anemia.
Read the detailed description
BACKGROUND:
For over 20 years children with sickle cell anemia have been known to have an increased susceptibility to severe bacterial infection, particularly due to Streptococcus pneumoniae. Meningitis, pneumonia and septicemia due to this organism have been recognized as the major causes of death for these children, with children under three years of age being at highest risk. The annual incidence of pneumococcal septicemia among young children with sickle cell anemia appears to have remained remarkably constant over the last two decades at approximately 10 percent. This illness can often be fulminant, progressing from the onset of fever to death in less than 12 hours, with a case fatality rate ranging as high as 35 percent.
Penicillin prophylaxis has been advocated as a preventive measure against severe pneumococcal infections in children with sickle cell anemia. One study had shown that the risk of pneumococcal infection in these children could be reduced by the use of parenteral penicillin.
DESIGN NARRATIVE:
Phase I was a multi-center, randomized, double-blind, placebo-controlled trial. One hundred and five patients were assigned to the penicillin group and 110 to placebo. The primary endpoint was a documented severe infection due to S. pneumoniae. The secondary endpoint was a severe infection due to an organism other than S. pneumoniae.
Because data were not available to define the age at which prophylactic penicillin could be safely discontinued, the NHLBI launched Phase II of the Prophylactic Penicillin Study beginning in 1987. Recruitment ended in August, 1993. The clinical phase of Phase II ended in August, 1994.
Phase II was a multi-center randomized trial to evaluate the hazards of discontinuing daily oral penicillin at the age of five years. Within three months of their fifth birthdays, all children were randomized to continue oral penicillin prophylaxis or to stop prophylaxis. Each child was followed for a minimum of two years. The primary endpoint was a comparison of documented pneumococcal infection in children continuing penicillin after five years of age versus children whose prophylaxis was stopped at five years of age. Ancillary studies conducted in subsets of patients included: the prevalence of colonization of the nasopharynx with antibiotic resistant microorangisms; and the relationship of antibody response to pneumococcal vaccination to the incidence of pneumococcal sepsis in this patient population.
- Conditions
- Anemia, Sickle Cell, Hematologic Diseases, Hemoglobinopathies, Infection (S. Pneumoniae), Pneumonia
- Being tested
- penicillin
- Medical subject headings
- Anemia, Sickle Cell, Hematologic Diseases, Hemoglobinopathies, Infections, Pneumonia
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
penicillinDrug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Oct 1999 (estimated)
- Study startAug 1983
- Study completionOct 1994
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (5)Papers the sponsor has linked to this study.
- Other trials for Anemia, Sickle CellStudies of the same condition, open and under way.
- More trials run by National Heart, Lung, and Blood Institute (NHLBI)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Prevention
- Allocation
- Randomised
- Masking
- Double blind
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Investigators
- David Becton, University of ArkansasAnn Bjornson, Gamble Institute of Medical ResearchGeorge Buchanan, University of TexasNeil Grossman, Children's Hospital Medical Center, CincinnatiC. Holbrook, East Carolina University School of MedicineRathyi Iyer, University of Mississippi Medical CenterKaren Kalinyak, Children's Hospital Medical Center, CincinnatiThomas Kinney, Duke University
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00000585
- Sponsor's protocol ID
- 305
- Status last verified
- Oct 1994
- First submitted
- 27 Oct 1999
- Last updated
- 25 Mar 2016
- Results posted
- No
Publications
Gaston MH, Verter JI, Woods G, Pegelow C, Kelleher J, Presbury G, Zarkowsky H, Vichinsky E, Iyer R, Lobel JS, et al. Prophylaxis with oral penicillin in children with sickle cell anemia. A randomized trial. N Engl J Med. 1986 Jun 19;314(25):1593-9. doi: 10.1056/NEJM198606193142501.
PubMed 3086721Falletta JM, Woods GM, Verter JI, Buchanan GR, Pegelow CH, Iyer RV, Miller ST, Holbrook CT, Kinney TR, Vichinsky E, et al. Discontinuing penicillin prophylaxis in children with sickle cell anemia. Prophylactic Penicillin Study II. J Pediatr. 1995 Nov;127(5):685-90. doi: 10.1016/s0022-3476(95)70154-0.
PubMed 7472817Bjornson AB, Falletta JM, Verter JI, Buchanan GR, Miller ST, Pegelow CH, Iyer RV, Johnstone HS, DeBaun MR, Wethers DL, Wang WC, Woods GM, Holbrook CT, Becton DL, Kinney TR, Reaman GH, Kalinyak K, Grossman NJ, Vichinsky E, Reid CD. Serotype-specific immunoglobulin G antibody responses to pneumococcal polysaccharide vaccine in children with sickle cell anemia: effects of continued penicillin prophylaxis. J Pediatr. 1996 Dec;129(6):828-35. doi: 10.1016/s0022-3476(96)70026-4.
PubMed 8969724Woods GM, Jorgensen JH, Waclawiw MA, Reid C, Wang W, Pegelow CH, Rogers ZR, Iyer RV, Holbrook CT, Kinney TR, Vichinsky E, DeBaun MR, Grossman NJ, Thomas MD, Falletta JM. Influence of penicillin prophylaxis on antimicrobial resistance in nasopharyngeal S. pneumoniae among children with sickle cell anemia. The Ancillary Nasopharyngeal Culture Study of Prophylactic Penicillin Study II. J Pediatr Hematol Oncol. 1997 Jul-Aug;19(4):327-33. doi: 10.1097/00043426-199707000-00011.
PubMed 9256832Gaston MH, Verter J. Sickle cell anaemia trial. Stat Med. 1990 Jan-Feb;9(1-2):45-9; discussion 49-51. doi: 10.1002/sim.4780090111.
PubMed 2111933
Study at a glance
From the registry record, last updated by the sponsor on 25 Mar 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Penicillin Prophylaxis in Sickle Cell Disease (PROPS)
- ClinicalTrials.gov ID
- NCT00000585
- Acronym / sponsor ID
- 305
- Conditions
- Anemia, Sickle Cell, Hematologic Diseases, Hemoglobinopathies, Infection (S. Pneumoniae), Pneumonia
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)US National Institutes of Health
- Study start
- Aug 1983
- Study completion
- Oct 1994
- First posted
- 28 Oct 1999 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To determine whether the regular daily administration of oral penicillin would reduce the incidence of documented infection due to Streptococcus pneumoniae in children with sickle cell anemia.
Detailed description
BACKGROUND:
For over 20 years children with sickle cell anemia have been known to have an increased susceptibility to severe bacterial infection, particularly due to Streptococcus pneumoniae. Meningitis, pneumonia and septicemia due to this organism have been recognized as the major causes of death for these children, with children under three years of age being at highest risk. The annual incidence of pneumococcal septicemia among young children with sickle cell anemia appears to have remained remarkably constant over the last two decades at approximately 10 percent. This illness can often be fulminant, progressing from the onset of fever to death in less than 12 hours, with a case fatality rate ranging as high as 35 percent.
Penicillin prophylaxis has been advocated as a preventive measure against severe pneumococcal infections in children with sickle cell anemia. One study had shown that the risk of pneumococcal infection in these children could be reduced by the use of parenteral penicillin.
DESIGN NARRATIVE:
Phase I was a multi-center, randomized, double-blind, placebo-controlled trial. One hundred and five patients were assigned to the penicillin group and 110 to placebo. The primary endpoint was a documented severe infection due to S. pneumoniae. The secondary endpoint was a severe infection due to an organism other than S. pneumoniae.
Because data were not available to define the age at which prophylactic penicillin could be safely discontinued, the NHLBI launched Phase II of the Prophylactic Penicillin Study beginning in 1987. Recruitment ended in August, 1993. The clinical phase of Phase II ended in August, 1994.
Phase II was a multi-center randomized trial to evaluate the hazards of discontinuing daily oral penicillin at the age of five years. Within three months of their fifth birthdays, all children were randomized to continue oral penicillin prophylaxis or to stop prophylaxis. Each child was followed for a minimum of two years. The primary endpoint was a comparison of documented pneumococcal infection in children continuing penicillin after five years of age versus children whose prophylaxis was stopped at five years of age. Ancillary studies conducted in subsets of patients included: the prevalence of colonization of the nasopharynx with antibiotic resistant microorangisms; and the relationship of antibody response to pneumococcal vaccination to the incidence of pneumococcal sepsis in this patient population.
Study design
- Primary purpose
- Prevention
- Allocation
- Randomised
- Masking
- Double blind
Who may qualify
- Ages
- Up to 5 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| penicillin | Drug | – |
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Mar 2016.
- Background: PubMed 3086721Gaston MH, Verter JI, Woods G, Pegelow C, Kelleher J, Presbury G, Zarkowsky H, Vichinsky E, Iyer R, Lobel JS, et al. Prophylaxis with oral penicillin in children with sickle cell anemia. A randomized trial. N Engl J Med. 1986 Jun 19;314(25):1593-9. doi: 10.1056/NEJM198606193142501.
- Background: PubMed 7472817Falletta JM, Woods GM, Verter JI, Buchanan GR, Pegelow CH, Iyer RV, Miller ST, Holbrook CT, Kinney TR, Vichinsky E, et al. Discontinuing penicillin prophylaxis in children with sickle cell anemia. Prophylactic Penicillin Study II. J Pediatr. 1995 Nov;127(5):685-90. doi: 10.1016/s0022-3476(95)70154-0.
- Background: PubMed 8969724Bjornson AB, Falletta JM, Verter JI, Buchanan GR, Miller ST, Pegelow CH, Iyer RV, Johnstone HS, DeBaun MR, Wethers DL, Wang WC, Woods GM, Holbrook CT, Becton DL, Kinney TR, Reaman GH, Kalinyak K, Grossman NJ, Vichinsky E, Reid CD. Serotype-specific immunoglobulin G antibody responses to pneumococcal polysaccharide vaccine in children with sickle cell anemia: effects of continued penicillin prophylaxis. J Pediatr. 1996 Dec;129(6):828-35. doi: 10.1016/s0022-3476(96)70026-4.
- Background: PubMed 9256832Woods GM, Jorgensen JH, Waclawiw MA, Reid C, Wang W, Pegelow CH, Rogers ZR, Iyer RV, Holbrook CT, Kinney TR, Vichinsky E, DeBaun MR, Grossman NJ, Thomas MD, Falletta JM. Influence of penicillin prophylaxis on antimicrobial resistance in nasopharyngeal S. pneumoniae among children with sickle cell anemia. The Ancillary Nasopharyngeal Culture Study of Prophylactic Penicillin Study II. J Pediatr Hematol Oncol. 1997 Jul-Aug;19(4):327-33. doi: 10.1097/00043426-199707000-00011.
- Background: PubMed 2111933Gaston MH, Verter J. Sickle cell anaemia trial. Stat Med. 1990 Jan-Feb;9(1-2):45-9; discussion 49-51. doi: 10.1002/sim.4780090111.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
David Becton
University of Arkansas
Ann Bjornson
Gamble Institute of Medical Research
George Buchanan
University of Texas
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing penicillin in people with Anemia, Sickle Cell and Hematologic Diseases, run by National Heart, Lung, and Blood Institute (NHLBI).
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 25 Mar 2016. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00000585, which also lists 5 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Mar 2016; AzTrials last refreshed its copy on 31 Oct 2026.