Pharmacoepidemiology
Population-level evaluation of medicine use, outcomes, and real-world patterns.
Independent research initiative
Evidence in medicines and population health.
Pharmalethia is an independent research initiative in Indonesia focused on pharmacoepidemiology, pharmacovigilance, HIV and Infectious Diseases, and population health.
About
Research built around careful use of real-world data.
Pharmalethia is based in Sanggau, West Kalimantan, Indonesia. Its work focuses on medicine use and safety, epidemiology, and population-level health data, with an emphasis on transparent and reproducible analysis.
The name combines Pharma and Alethia, reflecting a commitment to revealing meaningful evidence from population-level medicine-use data.
Legal & registration
Pharmalethia operates under PT Titian Nalar Saujana, a legal entity registered with the Ministry of Law of the Republic of Indonesia, and is registered in BRIN’s SeBaRiS as a private research institution.
- Legal entity
- PT Titian Nalar Saujana
- AHU registration
- AHU-A120051.AH.01.30.Tahun 2026
- SeBaRiS BRIN
- B02609090
Research
Current areas of interest
Pharmacovigilance
Post-marketing safety research and descriptive analysis of medicine safety data.
HIV and Infectious Diseases
Surveillance trends, prevention, testing, and geographic inequalities in Indonesia.
Population health
Secondary-data research on disease patterns, health-system capacity, and subnational variation.
Selected projects
Work in progress
Ongoing
Navigating HIV Pre-exposure Prophylaxis (PrEP) Uptake in Indonesia: A Mixed-Methods Study on Knowledge, Attitudes, and Willingness to Use PrEP Among Populations at Substantial Risk of HIV
A mixed-methods study examining knowledge, attitudes, and willingness to use PrEP in Indonesia.
Ongoing
Post-Marketing Safety of Lenacapavir: A Descriptive Pharmacovigilance Study
A post-marketing analysis focused on reported safety patterns following lenacapavir use.
Ongoing
Spatiotemporal Epidemiology of Reported HIV and AIDS Notifications Across Indonesian Provinces, 2010–2024
A nationwide longitudinal ecological analysis of subnational variation in reported HIV and AIDS notifications.
Ongoing
Provincial Trends in AIDS and Injecting Drug Use–Related AIDS in Indonesia, 2005–2024
A provincial analysis of AIDS notifications and injecting drug use–related AIDS patterns over time.
Ongoing
Provincial Inequalities in HIV Testing Among Pregnant Women in Indonesia, 2018–2025: Progress Toward the WHO Elimination Target
An analysis of provincial differences in HIV testing coverage during pregnancy and progress toward elimination targets.
Publications
Peer-reviewed research
2026 · Tropical Medicine & International Health
Reported HIV/AIDS Case Rates and COVID-Era Surveillance Disruption in Indonesia, 2010–2024: A National Time-Series Study With 2030 Scenario Analysis
Kristian Kalvin Sigalingging
2021 · Patient Preference and Adherence
Issues Affecting Medication-Taking Behavior of People with Type 2 Diabetes in Indonesia: A Qualitative Study
Anna Wahyuni Widayanti, Kristian Kalvin Sigalingging, Furi Patriana Dewi, Niken Nur Widyakusuma
Articles & insights
Public health fact series
Fact series
HIV treatment is also HIV prevention
Effective antiretroviral therapy supports individual health and, when viral suppression is maintained, also helps prevent sexual transmission of HIV.
Fact series
PrEP: HIV prevention before exposure
A concise overview of PrEP, who it may benefit, key follow-up considerations, and the current implementation context in Indonesia.
People
Researcher
Kristian Kalvin Sigalingging
Pharmacist · Founder & Researcher
Research interests include pharmacoepidemiology, pharmacovigilance, HIV epidemiology, infectious diseases, and population health.
Contact
Research, collaboration, and enquiries
For research collaboration, project enquiries, or general correspondence, contact Pharmalethia by email. You can also connect through LinkedIn.