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A rare hematological disease characterized by maternal alloimmunisation against fetal platelet antigens that are inherited from the father and different from those present in the mother, and usually presents as a severe isolated thrombocytopenia in otherwise healthy newborns.
Biomarker and diagnostic research for fetal and neonatal alloimmune thrombocytopenia has been reported in the published literature.
No approved treatments are currently available for fetal and neonatal alloimmune thrombocytopenia. An additional 3 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for fetal and neonatal alloimmune thrombocytopenia, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for fetal and neonatal alloimmune thrombocytopenia. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
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Estimated prevalence: 1-5 in 10,000 (Uncommon).
No clinical trials have been registered for fetal and neonatal alloimmune thrombocytopenia.
40 publications have been identified in PubMed for fetal and neonatal alloimmune thrombocytopenia. Research spans Review / Meta-Analysis (25%), Clinical Trial Publication (15%), and Epidemiology / Natural History (15%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 10 | 25% |
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 8:29 PM UTC
Patient Advocacy Groups (PAGs) provide support, resources, and community for patients and caregivers.
European rare disease database
Genetic and Rare Diseases Info Center
Designated
Exclusivity End |
|---|
Designation Status |
|---|
nipocalimab | nipocalimab | Janssen Research & Development, LLC | 2023 | — | Designated |
recombinant human IgG monoclonal HPA-1a antibody | recombinant human IgG monoclonal HPA-1a antibody | Rallybio IPA, LLC | 2020 | — | Designated |
human platelet antigen-1a immunoglobulin (anti-HPA-1a) | human platelet antigen-1a immunoglobulin (anti-HPA-1a) | Rallybio IPA, LLC | 2013 | — | Withdrawn |
Gene therapy approaches for fetal and neonatal alloimmune thrombocytopenia have been reported in the published literature.
View trials for fetal and neonatal alloimmune thrombocytopenia
Clinical study results
6 |
15% |
Disease patterns and progression | 6 | 15% |
Patient case studies | 5 | 13% |
Testing and diagnosis research | 4 | 10% |
Laboratory research | 4 | 10% |
New treatment approaches | 3 | 8% |
Other research | 2 | 5% |
Deroubaix E (2026). [PMID: 42179240](https://pubmed.ncbi.nlm.nih.gov/42179240/). *Transfusion*. [Epidemiology / Natural History]
Katarzyna G (2026). [PMID: 41542834](https://pubmed.ncbi.nlm.nih.gov/41542834/). *Transfusion*. [Diagnostic / Biomarker]
Zhao Y (2026). [PMID: 41993210](https://pubmed.ncbi.nlm.nih.gov/41993210/). *Front Immunol*. [Review / Meta-Analysis]
Tiller H (2026). [PMID: 40720970](https://pubmed.ncbi.nlm.nih.gov/40720970/). *Am J Perinatol*. [Clinical Trial Publication]
Liu J (2026). [PMID: 41791326](https://pubmed.ncbi.nlm.nih.gov/41791326/). *Eur J Obstet Gynecol Reprod Biol*. [Review / Meta-Analysis]
Zhang H (2026). [PMID: 41671508](https://pubmed.ncbi.nlm.nih.gov/41671508/). *Blood*. [Basic Science / Preclinical]
Tomac G (2026). [PMID: 42001569](https://pubmed.ncbi.nlm.nih.gov/42001569/). *Transfus Apher Sci*. [Case Report / Case Series]
Bertrand G (2026). [PMID: 40901798](https://pubmed.ncbi.nlm.nih.gov/40901798/). *Blood Transfus*. [Diagnostic / Biomarker]
Vojvodić S (2026). [PMID: 42075597](https://pubmed.ncbi.nlm.nih.gov/42075597/). *Medicina (Kaunas)*. [Epidemiology / Natural History]
Aggarwal A (2026). [PMID: 42156238](https://pubmed.ncbi.nlm.nih.gov/42156238/). *Br J Haematol*. [Epidemiology / Natural History]
AI-curated news mentioning fetal and neonatal alloimmune thrombocytopenia
Updated Aug 11, 2026
A recent study highlights patient perspectives on hemolytic disease of the fetus and newborn and fetal and neonatal alloimmune thrombocytopenia, revealing common experiences and insights. This research contributes to understanding the patient journey and may inform future treatment approaches.