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Vaccination of healthy human volunteers against the minor histocompatibility antigen (mHAg) HA-1 using a DNA and MVA 'prime/boost' regimen

A phase I clinical trial of the vaccination of healthy human volunteers against the minor histocompatibility antigen (mHAg) HA-1 using a DNA and MVA 'prime/boost' regimen

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN23537803
Enrollment
12
Registered
2012-10-04
Start date
2012-12-13
Completion date
Unknown
Last updated
2024-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vaccine to prevent and treat leukaemia Cancer Leukaemia, unspecified

Interventions

MVA-HA-1, DNA vaccination
pDOM-HA-1, DNA vaccination

Sponsors

University of Birmingham (UK)
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: Inclusion criteria as of 08/12/2016 1. HLA-A2+ and HA-1- genotype 2. Aged 18 years of age or over 3. Healthy male adult volunteers 4. Written informed consent given 5. WHO performance status 0-1 6. Haematological and biochemical values within normal laboratory range, or, if abnormal, not considered to be clinically significant by the Principal Investigator to prevent participation in the trial Original inclusion criteria: 1. HLA-A2 positive and HA-1 negative. 2. 18 years of age or older 3. Donors who are no longer donating blood products and will not in the future 4. Written informed consent given 5. WHO performance status 0-1 6. Haematological and biochemical values within normal laboratory range 7. Female donors should be nulliparous and unable to have children (i.e., post-menopausal or have undergone a hysterectomy or bilateral oophorectomy)

Exclusion criteria

Exclusion criteria: Exclusion criteria as of 08/12/2016: 1. Females 2. Donors with previous adverse effects to vaccination 3. Donors on treatment with steroids/immunosuppressive drugs 4. Participants who are not willing to use an adequate method of barrier contraception for the duration of the trial treatment if engaged in sexual activity with a female of childbearing potential and for at least 28 days following the last vaccination 5. History of severe allergy 6. Participants known to be serologically positive for Hepatitis B, C or HIV 7. Previous participation in a vaccine clinical trial or participation in any clinical research in the 6 weeks prior to registration 8. Planned or possible foreign travel requiring vaccination until 28 days after the last planned study vaccination 9. Any vaccination (including the flu vaccine) 6 weeks before trial entry 10. Any planned vaccine during and 6 weeks after receiving the study vaccine 11. Any other medical condition which in the Investigator’s opinion would make the participant unsuitable for participation in this study Original exclusion criteria: 1. Donors with previous adverse effects to vaccination 2. Donors on treatment with steroids/ immunosuppressive drugs 3. Women with a history of pregnancy 4. Pregnant or lactating women 5. History of severe allergy 6. Participants known to be serologically positive for Hepatitis B, C or HIV 7. Previous participation in a vaccine clinical trial or participation in any clinical research in the 6 weeks prior to registration 8. Planned or possible foreign travel requiring vaccination 9. Any vaccination (including the flu vaccine) 6 weeks before, during and 6 weeks after receiving the study vaccine (total 9 months) 10. Any other medical condition, which in the Investigator's opinion, would make the participant unsuitable for participation in this study

Design outcomes

Primary

MeasureTime frame
Safety and toxicity and to establish the Maximum Tolerated Dose (MTD); Timepoint(s): Continuous assessment

Secondary

MeasureTime frame
The timing and magnitude of peak HA-1-specific cytotoxic T-lymphocyte responses

Countries

England, United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026