Study: NCT04589845

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Entrectinib
Description: Adults and pediatric participants with a BSA \>/= 1.51 m2: entrectinib will be self-administered by participants orally at home at a dose of 600 mg/day (three 200-mg capsules per day). Pediatric participants with a BSA \< 1.51 m2: entrectinib will be administered orally at home in mini-tablet formulation at a dose of 400 mg/day (BSA=1.11-1.50 m2) or 300 mg/day (BSA=0.81-1.10 m2) or 200 mg/day (BSA=0.51-0.80 m2) or 100 mg/day (BSA=0.43-0.50 m2).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Entrectinib
Description: Adults and pediatric participants with a BSA \>/= 1.51 m2: entrectinib will be self-administered by participants orally at home at a dose of 600 mg/day (three 200-mg capsules per day). Pediatric participants with a BSA \< 1.51 m2: entrectinib will be administered orally at home in mini-tablet formulation at a dose of 400 mg/day (BSA=1.11-1.50 m2) or 300 mg/day (BSA=0.81-1.10 m2) or 200 mg/day (BSA=0.51-0.80 m2) or 100 mg/day (BSA=0.43-0.50 m2).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Alectinib
Description: Alectinib will be administered orally BID (twice a day) with food at a dosage of 600 mg (four 150-mg capsules).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Atezolizumab
Description: Atezolizumab will be administered by IV infusion at a fixed dose of 1200 mg for participants aged \>/=18 years, and 15 mg/kg (maximum 1200 mg) for participants aged \<18 years on Day 1 of each 21-day cycle.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Ipatasertib
Description: For participants 12-17 years of age, ipatasertib will be administered at the starting dose of 200 mg for participants \< 35 kg, 300 mg for participants \>/= 35 and \< 45 kg, 400 mg for those \>/= 45 kg orally QD, beginning of Cycle 1, on Days 1-21 of each 28-day cycle until the participant experiences disease progression, intolerable toxicity, or withdraws consent.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Trastuzumab emtansine
Description: Trastuzumab emtansine will be administered at 3.6 mg/kg by IV infusion every 21 days until disease progression or unacceptable toxicity. The dosage and administration method also applies for pediatric participants 12-17 years of age.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Idasanutlin
Description: Idasanutlin will be administered at 250 mg QD (daily) PO for Days 1-5 of each 28-day cycle. Idasanutlin may be given without regard to meals and water can be given as often as necessary or desired. The daily doses should be administered 10-14 hours apart.~Note: Cohort G has been closed for enrollment.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Inavolisib
Description: GDC-077 will be administered QD at a starting dose of 9 mg PO in repeated 28-day cycles. The dosage and administration method also applies for pediatric participants 12-17 years of age.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Belvarafenib
Description: Belvarafenib will be administered at a dose 400 mg (PO) BID with adequate water (more than 200 mL). One cycle consists of 28 days. Administration of belvarafenib should occur BID on every day of each 28-day cycle.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Belvarafenib
Description: Belvarafenib will be administered at a dose 400 mg (PO) BID with adequate water (more than 200 mL). One cycle consists of 28 days. Administration of belvarafenib should occur BID on every day of each 28-day cycle.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Pralsetinib
Description: Pralsetinib will be self-administered by participants orally at home (except on clinic days) on a continuous daily dosing regimen at a dose of 400 mg/day (four 100-mg capsules per day) for adult and pediatric patients ≥ 12 and \< 18 years of age. A treatment cycle consists of 4 weeks (28 days).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: GDC-6036
Description: GDC-6036 will be self-administered by patients orally at home (except on clinic days) on a continuous daily dosing regimen for both adult and pediatric patients. A treatment cycle consists of 3 weeks (21 days).

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Camonsertib
Description: Camonsertib will be self-administered by patients orally at home (except on clinic days). A treatment cycle consists of 3 weeks and will be given on days 1-3 and days 8-10 of every 21-day cycle.

Intervention type: DRUG
Group type: EXPERIMENTAL
Intervention: Camonsertib
Description: Camonsertib will be self-administered by patients orally at home (except on clinic days). A treatment cycle consists of 3 weeks and will be given on days 1-3 and days 8-10 of every 21-day cycle.