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Low dose Kaletra tablets

Phoenix Children's Hospital · Phase 1 active Small molecule ✓ Verified May 2026 Quality 5/100

Low dose Kaletra tablets is a Small molecule drug developed by Phoenix Children's Hospital. It is currently in Phase 1 development. Also known as: lopinavir/ritonavir 100mg/25mg.

Low-dose Kaletra tablets contain a combination of darunavir and ritonavir, which are used to treat Human Immunodeficiency Virus (HIV) and COVID-19. The exact mechanism of action of Kaletra is unknown, but it is used as part of postexposure prophylaxis (PEP) for HIV.

Likelihood of approval
9.6% vs 9.6% industry baseline
If approved by FDA: likely 2033–2036
Steps remaining: Phase 2 → Phase 3 → NDA/BLA submission
Confidence: Medium
Why this estimate
  • Baseline phase 1 → approval rate +9.6pp
    Industry-wide phase 1 drugs reach approval ~9.6% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2033–2036
EMA EU 2034–2037 +0.7 yr
MHRA GB 2034–2037 +0.7 yr
Health Canada CA 2034–2038 +0.9 yr
TGA AU 2034–2038 +1.2 yr
PMDA JP 2034–2038 +1.5 yr
NMPA CN 2035–2039 +2.3 yr
MFDS KR 2034–2038 +1.4 yr
CDSCO IN 2034–2039 +1.8 yr
ANVISA BR 2035–2039 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameLow dose Kaletra tablets
Also known aslopinavir/ritonavir 100mg/25mg
SponsorPhoenix Children's Hospital
ModalitySmall molecule
PhasePhase 1

Approved indications

No approved indications tracked.

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Low dose Kaletra tablets

What is Low dose Kaletra tablets?

Low dose Kaletra tablets is a Small molecule drug developed by Phoenix Children's Hospital.

Who makes Low dose Kaletra tablets?

Low dose Kaletra tablets is developed by Phoenix Children's Hospital (see full Phoenix Children's Hospital pipeline at /company/phoenix-children-s-hospital).

Is Low dose Kaletra tablets also known as anything else?

Low dose Kaletra tablets is also known as lopinavir/ritonavir 100mg/25mg.

What development phase is Low dose Kaletra tablets in?

Low dose Kaletra tablets is in Phase 1.

What are the side effects of Low dose Kaletra tablets?

Common side effects of Low dose Kaletra tablets include Diarrhoea, Nausea, Fatigue, Headache, Abdominal Pain Upper, Vomiting.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing