Summary
Cytokines is tracked by OSMF as an investigational option for Long COVID; no regulator has approved it for this indication, and most post-viral conditions have no approved disease-modifying therapy at all. ClinicalTrials.gov lists 1 registered trial linking Cytokines to Long COVID: 1 is currently recruiting. None of the registered studies carries a drug-development phase label, which is typical for behavioural, device and supplement protocols. It plans or enrolled 150 participants. Registered activity dates to 2024. The literature layer holds 39 publications for this pair: 6 systematic reviews, 5 clinical trial publications and 28 other publications. Because at least one synthesis-level source exists (systematic review, meta-analysis or Cochrane review), this pair has been assessed beyond single studies, although the synthesis may concern a different indication.
Long COVID / PASC is tracked on the OSMF post-viral programme alongside ME/CFS, Long COVID, POTS and MCAS. Across the programme, 415 candidate agents are logged for Long COVID, most of them preliminary; this page isolates the record for one of them.
Evidence table
| Evidence tier | C · Preliminary |
|---|---|
| Evidence score | 38.0 (trials 3.0, literature 30.0, tier 5, approved bonus 0.0) |
| Registered trials | 1 total: 1 recruiting, 0 active / not yet recruiting, 0 completed, 0 other |
| Linked publications | 39 (28 other publications, 6 systematic reviews, 5 clinical trial publications) |
| Agent type | Other (Other / Unclassified) |
| Development stage (any indication) | Investigational |
| Mechanism / class | Immunomodulatory |
| Data sources | OSMF therapeutic agent database, ClinicalTrials.gov, PubMed |
How the evidence score is calculated
- Each registered trial scores by status (recruiting / active / enrolling 3, completed 2.5, not yet recruiting 2, unknown 1, terminated / withdrawn / suspended 0.5) plus a phase bonus (phase 3-4 +2, phase 2 +1, phase 1 +0.5). The trial component is capped at 30.
- Each literature item scores by design (Cochrane review 5, meta-analysis 4, systematic review 3, RCT 3, clinical trial publication 2, curated reference 1.5, other PubMed record 1). The literature component is capped at 30.
- The existing evidence tier adds 15 (A / Strong), 10 (B / Moderate), 5 (C / Preliminary) or 0 (D / Anecdotal).
- Agents approved for any indication (max clinical phase 4) add 5, because an approved agent has an established safety profile that lowers the barrier to repurposing trials.
- The score ranks what has been studied, not what works. It does not read effect sizes or directions of effect.
Registered clinical trials
| NCT ID | Title | Status | Phase | Enrolment |
|---|---|---|---|---|
| NCT06027255 | Long COVID Immune Profiling Vanderbilt University Medical Center · 2024 | recruiting | Not applicable | 150 |
Published literature
- Clinical trial publication (PubMed validation search) PubMed record PMID 41537614
- Clinical trial publication (PubMed validation search) PubMed record PMID 39000027
- Clinical trial publication (PubMed validation search) PubMed record PMID 38777281
- Clinical trial publication (PubMed validation search) PubMed record PMID 37724870
- Clinical trial publication (PubMed validation search) PubMed record PMID 35313959
- Review (PubMed validation search) PubMed record PMID 42088258
- Review (PubMed validation search) PubMed record PMID 42019647
- Review (PubMed validation search) PubMed record PMID 41599072
- Review (PubMed validation search) PubMed record PMID 41516418
- Review (PubMed validation search) PubMed record PMID 41488148
- Review (PubMed validation search) PubMed record PMID 41463036
- Review (PubMed validation search) PubMed record PMID 41462744
- Review (PubMed validation search) PubMed record PMID 41440526
- Case series (PubMed validation search) PubMed record PMID 38327880
- Case series (PubMed validation search) PubMed record PMID 36165510
- Case series (PubMed validation search) PubMed record PMID 35633158
- Case series (PubMed validation search) PubMed record PMID 34922127
- Case report (PubMed validation search) PubMed record PMID 41030915
- Case report (PubMed validation search) PubMed record PMID 37816456
- Case report (PubMed validation search) PubMed record PMID 36618501
- Case report (PubMed validation search) PubMed record PMID 36579544
- Case report (PubMed validation search) PubMed record PMID 36446232
- Case report (PubMed validation search) PubMed record PMID 36212621
- Case report (PubMed validation search) PubMed record PMID 35791687
- Case report (PubMed validation search) PubMed record PMID 35663719
- Experimental study (PubMed validation search) PubMed record PMID 42020802
- Experimental study (PubMed validation search) PubMed record PMID 41969525
- Experimental study (PubMed validation search) PubMed record PMID 41627524
- Experimental study (PubMed validation search) PubMed record PMID 41472298
- Experimental study (PubMed validation search) PubMed record PMID 41425601
- Experimental study (PubMed validation search) PubMed record PMID 41152229
- Experimental study (PubMed validation search) PubMed record PMID 41028062
- Experimental study (PubMed validation search) PubMed record PMID 41025524
- Systematic review (PubMed validation search) PubMed record PMID 42051540
- Systematic review (PubMed validation search) PubMed record PMID 41272382
- Systematic review (PubMed validation search) PubMed record PMID 39967901
- Systematic review (PubMed validation search) PubMed record PMID 39127088
- Systematic review (PubMed validation search) PubMed record PMID 35390469
- Systematic review (PubMed validation search) PubMed record PMID 33584506
Mechanism and notes
Recorded mechanism or class: Immunomodulatory.
Clinical notes: Investigational for listed conditions. 1 associated trial(s) and 0 study reference(s) in current data. Review primary sources and consult specialists before use.
Safety: Limited specific safety data in these populations. Review full prescribing information and consult specialist. Many agents used off-label or investigational.
Dosing in studies: See linked studies/trials for reported doses and durations; typical protocols vary widely.
Frequently asked questions
Is Cytokines approved for Long COVID?
Cytokines is tracked by OSMF as an investigational option for Long COVID; no regulator has approved it for this indication, and most post-viral conditions have no approved disease-modifying therapy at all. Approval status for the specific indication should always be confirmed with the relevant regulator and prescribing information.
Is Cytokines in clinical trials for Long COVID?
ClinicalTrials.gov lists 1 registered trial linking Cytokines to Long COVID: 1 is currently recruiting. None of the registered studies carries a drug-development phase label, which is typical for behavioural, device and supplement protocols. It plans or enrolled 150 participants. Registered activity dates to 2024.
What does the evidence show for Cytokines in Long COVID?
Trials of Cytokines in Long COVID are registered but none has completed, so there is no outcome evidence from those studies yet; the record is a signal of research interest. OSMF's existing evidence tier for this pair is C (Preliminary), taken from the OSMF therapeutic agent database, which grades agents by the volume and design of condition-specific evidence rather than by effect size.
Cite this page
Data: ClinicalTrials.gov, PubMed, Open Targets, ChEMBL, DGIdb and the OSMF therapeutic agent database. Last updated 2026-07-09. Page built 2026-10-07.