Rare & Orphan Lab · DeCure for X

DeCure for Spermatogenic failure 13

DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for spermatogenic failure 13 — screening already-approved drugs against its 1-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.

Disease module1 genesLead labRare & Orphan
All cures
Rare & OrphanDOID:0070182$DeCureRare

The disease map

Disease moduleSpermatogenic failure 13 maps to a 1-gene Open Targets module — the target space DeCure's AI scientist screens approved drugs against.
DeCure.ai methodSignature reversal (LINCS) plus network proximity (STRING) rank already-approved drugs likely to perturb this module — the same engine that produces DeCure.ai's repurposing hypotheses.
Repurposing thesisScreening approved medicines against this disease module, then publishing the evidence for the strongest candidate. Known pharmacology and human exposure data make the first question sharper — they do not establish safety or efficacy in a new indication.

Research record

01
ResearchComing soon
Candidate research + dossier — target rationale, drug-repurposing thesis and evidence pack.proof: Published dossier + on-chain hash
02
ValidationComing soon
In-vitro biological validation at a contract research org (CRO).proof: CRO contract + in-vitro report
03
Peer review & paperComing soon
Peer-reviewed paper published open-access (preprint + journal).proof: DOI + open-access link + on-chain hash

Current lead

No approved-drug candidate for spermatogenic failure 13 is corroborated in the literature DeepSearch retrieved. Some conditions are managed with non-pharmacological care — a device, surgery or physical therapy — rather than a medicine; that may be the case here, or the literature we found may simply be too sparse yet to support a drug-repurposing angle.

What the evidence adds up to

Medical treatment for primary spermatogenic failure remains largely ineffective. A 2011 review states that no treatments have consistently demonstrated efficacy, and it has not been possible to reliably identify patients likely to benefit. The review notes that idiopathic spermatogenic failure likely results from multiple discrete defects in sperm production that are as yet unidentified. Empiric medical therapy has been largely replaced by assisted reproductive techniques.

Two 1988 papers report on a series of 8879 consecutive vasectomies performed by one physician over 24 years. Among a subgroup of 5331 men who returned for at least two postoperative semen tests, there were 97 failures of all types. This included 32 (0.60%) early and overt failures, 61 (1.14%) technical failures involving persistence of small numbers of spermatozoa, and 4 (0.08%) late overt failures discovered as a result of a pregnancy at least four years after two azoospermic test results. Four of the 97 failures were due to missed vasa deferentia; the remainder were attributed to recanalisation.

The 2011 review notes that treatment has been attempted with hormones and nutritional supplements (antioxidants), and that some studies have demonstrated benefit to some treatments, but no consistent efficacy has been shown. The review suggests that a better understanding of the discrete defects in sperm production will yield more effective treatment options and appropriate triage of patients to specific therapeutic regimens.

What is still missing is a clear identification of the multiple discrete defects underlying idiopathic spermatogenic failure, which would allow patient stratification and targeted treatment. No trial design has yet demonstrated reproducible efficacy for any medical therapy in this condition.

Evidence

Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.

Asian Journal of Andrology · 2011 · 57 citations · open access

Medical therapy for spermatogenic failure

AbstractMedical treatment of men with primary spermatogenic failure remains largely ineffective in contrast to those with secondary testicular failure. Treatment has been attempted with a multitude of agents ranging from hormones to nutritional supplements (antioxidants). While some studies have demonstrated benefit to some treatments, no treatments have consistently demonstrated efficacy nor has it been possible to reliably identify patients likely to benefit. Idiopathic spermatogenic failure likely results from multiple discrete defects in sperm production that are as yet unidentified. A better understanding of these defects will yield more effective treatment options and appropriate triage of patients to specific therapeutic regimens. This review focuses on the rationale and current evidence for hormonal and antioxidant therapy in medical treatment of male infertility, spermatogenic failure in particular. Although empiric medical therapy for spermatogenic failure has been largely replaced by assisted reproductive techniques, both treatment modalities could play a role, perhaps as combination therapy.

https://doi.org/10.1038/aja.2011.63
JAMA · 1988 · 46 citations

The lurking sperm. A review of failures in 8879 vasectomies performed by one physician

AbstractVasectomy techniques and failure rates vary among surgeons, and the criteria for failure are not often clearly defined. To help establish a yardstick for comparative purposes, a series of 8879 consecutive vasectomies performed with uniform technique over 24 years was reviewed. A subgroup of 5331 men who had returned for at least two postoperative semen tests--the study group--was used for follow-up analysis. Failures were defined as early or late and also were categorized as overt or technical according to the numbers, motility, or persistence of the remaining spermatozoa. There were 97 failures of all types, including 32 (0.60%) early and overt failures and 61 (1.14%) technical failures that involved the persistence of small numbers of spermatozoa, possibly of no significance. Four (0.08%) late overt failures were also seen; each of these was discovered as a result of a pregnancy, and each occurred at least four years after two azoospermic test results. Of the 97 failures, four were recognized as due to missed vasa deferentia, and the remainder were attributed to recanalization. Whether improved and reproducible failure rates can be consistently obtained by other techniques is not yet clear.

https://doi.org/10.1001/jama.259.21.3142
JAMA · 1988 · 35 citations

The Lurking Sperm

AbstractVasectomy techniques and failure rates vary among surgeons, and the criteria for failure are not often clearly defined. To help establish a yardstick for comparative purposes, a series of 8879 consecutive vasectomies performed with uniform technique over 24 years was reviewed. A subgroup of 5331 men who had returned for at least two postoperative semen tests—the<i>study</i>group—was used for follow-up analysis. Failures were defined as<i>early</i>or<i>late</i>and also were categorized as overt or<i>technical</i>according to the numbers, motility, or persistence of the remaining spermatozoa. There were 97 failures of all types, including 32 (0.60%) early and overt failures and 61 (1.14%) technical failures that involved the persistence of small numbers of spermatozoa, possibly of no significance. Four (0.08%) late overt failures were also seen; each of these was discovered as a result of a pregnancy, and each occurred at least four years after two azoospermic test results. Of the 97 failures, four were recognized as due to missed vasa deferentia, and the remainder were attributed to recanalization. Whether improved and reproducible failure rates can be consistently obtained by other techniques is not yet clear. (<i>JAMA</i>1988;259:3142-3144)

https://doi.org/10.1001/jama.1988.03720210032024

Disease module: DeepOracle (Open Targets). Structures: RDKit from PubChem SMILES. Literature: retrieved by DeepSearch across 234,678,978 indexed works (targeted per-candidate search), resolved on OpenAlex.

DeCure is a research and publication project, not medical advice and not a treatment. "DeCure for X" describes a research goal, not a claim that a cure exists. Backing a cure is a contribution to fund the research — it is not an investment, and confers no yield, royalty, equity or IP ownership. Papers are published open-access by the DeCure.ai DAO.