TPs, CTGTPs and MPs
As there is limited safety information available for new treatments, it is important for local sponsors to report new safety information in a timely manner to us.
What to report
Unexpected serious adverse drug reactions (USADRs) should be reported to us in an expedited manner.
USADR refers to a serious adverse reaction arising from a therapeutic product (TP), cell, tissue or gene therapy product (CTGTP) or medicinal product (MP), in which its nature and severity is not consistent with the applicable product reference. The product reference can be the local product information leaflet (for products approved for marketing) or the Investigator's Brochure (for unregistered products).
Different reporting requirements apply, depending on the registration status of the product and how the product is used in the clinical trial:
Registration status in Singapore | How the product is used in the clinical trial | Reporting requirements |
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Locally unregistered | Investigational product | Local and overseas USADRs should be reported |
Locally unregistered | Auxiliary product | Local USADRs from the same clinical trial should be reported |
Locally-registered | Investigational product | Local and overseas USADRs from the same clinical trial should be reported Note: For clinical trials not regulated by us, only local USADRs from the same clinical trial should be reported |
Locally-registered | Comparator product | Local USADRs from the same clinical trial should be reported |
Locally-registered | Auxiliary product | Local USADRs from the same clinical trial should be reported |
When to report
All USADRs should be submitted within a prescribed time from the local sponsor’s date of awareness.
For fatal or life-threatening USADRs, local sponsors must submit the initial report as soon as possible and no later than 7 calendar days, with the next follow-up report within 8 calendar days of the initial report. Subsequent follow-up reports should be submitted in a timely manner as they become available.
For other USADRs, local sponsors must submit the initial report as soon as possible and no later than 15 calendar days. Subsequent follow-up reports are to be submitted in a timely manner as they become available.
Minimum criteria for reporting
Initial reports should be submitted within the prescribed time as long as the following minimum criteria are met:
- An identifiable patient
- A suspect therapeutic or medicinal product
- An identifiable reporting source
- Event or outcome that can be identified as serious and unexpected
- A reasonable suspected causal relationship
When to start and stop submitting safety reports
Submission of USADRs should start immediately upon clinical trial authorisation, acceptance of notification or issuance of a clinical trial certificate.
However, should any new safety concerns surface from individual reports or aggregate analysis of USADR during the clinical trial application review period, local sponsors should ensure that the new safety information is promptly communicated to us via email, so that the information can be considered in the benefit-risk assessment of the clinical trial.
Submission of USADRs may stop when the Last Patient Last Visit (LPLV) is achieved in Singapore, unless otherwise indicated in the protocol. However, local sponsor should inform us of any new safety information that emerges thereafter, particularly if the information is of relevance or potential significance to previously-treated trial participants.
How to report
You may report the USADR to us using CIOMS-I form (view sample form in our guidance538 KB).
It is recommended that the description for the USADRs be reported using Medical Dictionary for Regulatory Activities (MedDRA).
For regulated clinical trials, the safety reports should be submitted through the Expedited Safety Reporting (ESR) online module in PRISM. Ensure you have the following credentials before you access the e-service:
If you encounter technical issues, e-mail the HSA helpdesk or call 6776 0168 (from 7.00 am to midnight daily).
For clinical trials not regulated by us, the safety reports should be submitted via e-mail to us.
Refer to our Guidance on Expedited Safety Reporting Requirements for Clinical Trials538 KB for full details on our safety reporting requirements.